A method of forming a memory device includes the following operations. A first conductive plug is formed within a first dielectric layer over a substrate. A treating process is performed to transform a portion of the first conductive plug into a buffer layer, and the buffer layer caps the remaining portion of the first conductive plug. A phase change layer and a top electrode are sequentially formed over the buffer layer. A second dielectric layer is formed to encapsulate the top electrode and the underlying phase change layer. A second conductive plug is formed within the second dielectric layer and in physical contact with the top electrode. A filamentary bottom electrode is formed within the buffer layer.
The method of performing braiding operations can include providing a first Josephson junction including first gates. The method can include providing a second Josephson junction including second gates. The method can include tuning the first gates to dispose a first pair of Majorana fermions a first region. The method can include tuning the second gates to dispose a second pair of Majorana fermions in a second region. The method can include tuning the first gates to dispose a first Majorana fermion in the first region and to dispose a second Majorana fermion in a third region. The method can include tuning the second gates to dispose a third Majorana fermion in a fourth region and to dispose a fourth Majorana fermion in the second region.
An electromechanical device comprising: first and second electrodes each comprising a metal layer; an active layer comprising at least one ferroelectric polymer and disposed between the first and the second electrode. The first electrode and the second electrode each comprise an interface layer comprising poly(3,4-ethylenedioxythiophene). Each interface layer is interposed between the active layer and the corresponding metal layer. The invention further relates to a method for manufacturing such a device.
A thermoelectric element according to one embodiment of the present invention comprises: a first metal substrate; a first resin layer which is arranged on the first metal substrate and which comes into direct contact with the first metal substrate; a plurality of first electrodes arranged on the first resin layer; a plurality of P-type thermoelectric legs and a plurality of N-type thermoelectric legs which are arranged on the plurality of first electrodes; a plurality of second electrodes arranged on the plurality of P-type thermoelectric legs and the plurality of N-type thermoelectric legs; a second resin layer arranged on the plurality of second electrodes; and a second metal substrate which is arranged on the second resin layer and which comes into direct contact with the second resin layer, wherein the adhesion strength between the first resin layer and the plurality of first electrodes differs from the adhesion strength between the second resin layer and the plurality of second electrodes.
A compound having a structure of formula Ir(LA)m(LB)n, where ligand LA has Formula I
and ligand LB has Formula II
that is useful as an emitter in OLEDs is disclosed.
Systems and methods for depositing materials on a substrate via OVJP are provided. A float table and grippers are used to move and position the substrate relative to one or more OVJP print bars to reduce the chance of damaging or compromising the substrate or prior depositions.
A display device including a display panel including pixels that emit light on a frame basis. An input sensing unit includes driving electrodes and sensing electrodes. A driving signal generator is configured to provide driving signals to the driving electrodes. Analog front-ends are configured to receive sensing signals depending on the driving signals from the sensing electrodes. A signal processor is configured to detect touch input, based on differential output values of the analog front-ends. The driving signal generator provides the driving signals to the driving electrodes while avoiding a period in which a pulse of a vertical synchronization signal defining start of the frame is generated.
A touch detecting unit comprises first sensor electrodes arranged in a first direction and electrically connected with one another; second sensor electrodes arranged in a second direction crossing the first direction, and electrically connected with one another, the second sensor electrodes electrically separated from the first sensor electrodes, and third sensor electrodes electrically separated from the first sensor electrodes and the second sensor electrodes. Amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes are detected in a first mode. Amounts of change in the first capacitances and amounts of change in a second capacitance between the first sensor electrodes and the third sensor electrodes are detected in a second mode.
Provided is an organic light emitting display device. The organic light emitting display device includes a lower substrate including sub-pixels, a display area, a non-display area, and an exposed area; a lower touch pad unit in the non-display area and adjacent to the exposed area on the lower substrate; an upper substrate disposed opposite to the remaining area excluding the exposed area of the lower substrate; an upper touch pad unit on the upper substrate so as to correspond to the lower touch pad unit; a first connection electrode in direct contact with the lower touch pad unit; a second connection electrode opposite to the first connection electrode and in direct contact with the upper touch pad unit; and a self-assembly contact member disposed between the first connection electrode and the second connection electrode so as to electrically connect the first connection electrode and the second connection electrode.
An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.
A touchscreen display device includes: a display; a flexible printed circuit; touch sensing electrodes connected to the flexible printed circuit; and a multi-functional ambient light sensor package mounted on the flexible printed circuit. The multi-functional ambient light sensor package includes: an ambient light sensor; transmitter and receiver circuitry connected to the touch sensing electrodes via the flexible printed circuit; and a controller configured to obtain capacitance information from the touch sensing electrodes and ambient light information from the ambient light sensor via a single chip. The multi-functional ambient light sensor package may be packaged as a wafer-level chip-scale package (WLCSP).
A display apparatus is provided including a display area and a non-display area. The display area includes a display element and the non-display area includes a pad portion. A first thin-film transistor (TFT) is arranged in the display area. The first TFT includes silicon and a first gate electrode. A second TFT is arranged on a first insulating layer covering the first gate electrode and includes an oxide and a second gate electrode. A first voltage line extends in a first direction. A data line is spaced apart from the first voltage line. A connection wire is disposed in the display area and connects the data line to the pad portion. The connection wire includes a first portion extending in the first direction and a second portion extending in a second direction crossing the first direction, and the first portion overlaps the first voltage line.
An optical film including a refractive index changing unit region comprising at least one high-refraction unit region and at least one low-refraction unit region, the refractive index changing unit region in which a refractive index varies along the plane direction, is provided. The optical film has excellent abrasion resistance and pressure resistance while having excellent light extraction efficiency.
A display apparatus includes: a substrate including a display area and a peripheral area around the display area, the substrate having a bent portion; a plurality of display elements in the display area; and a thin film encapsulation layer over the plurality of display elements and including a first encapsulation layer, a second encapsulation layer over the first encapsulation layer, and an organic encapsulation layer between the first encapsulation layer and the second encapsulation layer, wherein the second encapsulation layer includes a plurality of inorganic thin layers and a plurality of organic thin layers alternately arranged, and a thickness of the second encapsulation layer is equal to or less than a thickness of the first encapsulation layer.
A display apparatus, includes: a first pixel, a second pixel, and a third pixel each configured to emit different colors; an organic light-emitting diode on a substrate and including a pixel electrode, an intermediate layer, and an opposite electrode; a black matrix on the organic light-emitting diode; a column spacer on the same layer as the black matrix and spaced apart from the black matrix by a first distance in a plan view; and a first quantum conversion layer on the substrate to correspond to an emission area of the first pixel and including first quantum dots.
A display device includes: a base substrate including a front surface and a rear surface, and including a display region and a peripheral region adjacent to the display region in a plan view; an organic light-emitting element on the display region; and a sealing layer on the organic light-emitting element. The base substrate includes: a module hole in the display region, and passing through the front surface and the rear surface; a first recess at the display region and recessed from the front surface, the first recess surrounding the module hole in the plan view; and a second recess at the display region and recessed from the front surface, the second recess surrounding the first recess in the plan view. The first recess and the second recess have different widths from each other in a direction parallel to the front surface.
A photodetector includes a first electrode; an interlayer disposed on the first electrode; a photoabsorbing layer disposed on the interlayer, the photoabsorbing layer having one or more charge transport materials, and a plurality of two-dimensional quantum dots (2D QDs) dispersed in the one or more charge transport material; and a second electrode disposed on the photoabsorbing layer. A heterostructure photodetector includes a first electrode; a first photoabsorbing layer disposed on the first electrode, the first photoabsorbing layer having a first photoabsorbing material; a second photoabsorbing layer disposed on the first photoabsorbing layer, the second photoabsorbing layer having a second photoabsorbing material; and a second electrode disposed on the second photoabsorbing layer.
The perovskite solar cell (PSC) includes a first layer containing a conducting material coated glass plate as a substrate, a second layer containing copper doped nickel oxide, a third layer containing a perovskite, a fourth layer containing nitrogen (N)-doped graphene quantum dots, a fifth layer containing phenyl-C61-butyric acid methyl ester and a top layer including conductive layer. A method for producing the perovskite solar cell is also discussed.
A memory device may include an insulating structure including a first surface and a protrusion portion protruding from the first surface in a first direction, a recording material layer on the insulating structure and extending along a protruding surface of the protrusion portion to cover the protrusion portion and extending onto the first surface of the insulating structure, a channel layer on the recording material layer and extending along a surface of the recording material layer, a gate insulating layer on the channel layer; and a gate electrode formed on the gate insulating layer at a location facing a second surface of the insulating structure. The second surface of the insulating structure may be a protruding upper surface of the protrusion portion.
In accordance with embodiments, a memory array is formed with a multiple patterning process. In embodiments a first trench is formed within a multiple layer stack and a first conductive material is deposited into the first trench. After the depositing the first conductive material, a second trench is formed within the multiple layer stack, and a second conductive material is deposited into the second trench. The first conductive material and the second conductive material are etched.
A semiconductor memory device includes a semiconductor substrate, transistors formed in an upper surface of the semiconductor substrate, a stacked body provided on the semiconductor substrate, a first contact, and a second contact. The transistors are arranged along a first direction. A minimum period of an arrangement of the transistors is a first period. The stacked body includes electrode films. A configuration of a first portion of the stacked body is a staircase-like having terraces. A first region and a second region are set along the first direction in the first portion. A length in the first direction of the terrace disposed in the second region is longer than the first period. A length in the first direction of the terrace disposed in the first region is shorter than the first period.
A vertical semiconductor device and a method for fabricating the same may include forming an alternating stack of dielectric layers and sacrificial layers over a lower structure, forming an opening by etching the alternating stack, forming a non-conformal blocking layer on the alternating stack in which the opening is formed, adsorbing a deposition inhibitor on a surface of the blocking layer to convert the non-conformal blocking layer into a conformal blocking layer on which the deposition inhibitor is adsorbed, and forming a charge storage layer on the conformal blocking layer.
A nonvolatile semiconductor memory device that have a new structure are provided, in which memory cells are laminated in a three dimensional state so that the chip area may be reduced. The nonvolatile semiconductor memory device of the present invention is a nonvolatile semiconductor memory device that has a plurality of the memory strings, in which a plurality of electrically programmable memory cells is connected in series. The memory strings comprise a pillar shaped semiconductor; a first insulation film formed around the pillar shaped semiconductor; a charge storage layer formed around the first insulation film; the second insulation film formed around the charge storage layer; and first or nth electrodes formed around the second insulation film (n is natural number more than 1). The first or nth electrodes of the memory strings and the other first or nth electrodes of the memory strings are respectively the first or nth conductor layers that are spread in a two dimensional state.
A 3D AND flash memory device includes a gate stack structure, a channel pillar, a first and a second conductive pillars, a charge storage structure, and a protective cap. The gate stack structure is disposed on a dielectric substrate and includes gate layers and insulating layers alternately stacked with each other. The channel pillar penetrates through the gate stack structure. The first and the second conductive pillars are disposed in the channel pillar and penetrate through the gate stack structure, and the first and the second conductive pillars are separated from each other and each connected to the channel pillar. The charge storage structure is disposed between the gate layers and a sidewall of the channel pillar. The protective cap covers at least a top surface of the channel pillar and isolates the first conductive pillar and the second conductive pillar from a top gate layer of the gate layers.
A semiconductor device according to an embodiment includes a stacked body including a plurality of conductive layers and a plurality of first insulation layers alternately stacked in a first direction. The conductive layers each include a first metal layer and a second metal layer. The first metal layer contains a first metal element and a substance that is chemically reactive with a material gas containing the first metal element. The second metal layer contains the first metal element and has a lower content of the substance than the first metal layer. The first metal layer is disposed between the first insulation layers and the second metal layer.
Embodiments of semiconductor devices and methods for forming the semiconductor devices are disclosed. In an example, a method for forming device openings includes forming a material layer over a first region and a second region of a substrate, the first region being adjacent to the second region, forming a mask layer over the material layer, the mask layer covering the first region and the second region, and forming a patterning layer over the mask layer. The patterning layer covers the first region and the second region and including openings corresponding to the first region. The plurality of openings includes a first opening adjacent to a boundary between the first region and the second region and a second opening further away from the boundary. Along a plane parallel to a top surface of the substrate, a size of the first opening is greater than a size of the second opening.
The present disclosure provides a memory device, a semiconductor device, and a method of operating a memory device. A memory device includes a memory cell, a bit line, a word line, a select transistor, a fuse element, and a heater. The bit line is connected to the memory cell. The word line is connected to the memory cell. The select transistor is disposed in the memory cell. A gate of the select transistor is connected to the word line. The fuse element is disposed in the memory cell. The fuse element is connected to the bit line and the select transistor. The heater is configured to heat the fuse element.
Disclosed is a vertically stacked 3D memory device, and the memory device may include a bit line extended vertically from a substrate, and including a first vertical portion and a second vertical portion, a vertical active layer configured to surround the first and second vertical portions of the bit line, a word line configured to surround the vertical active layer and the first vertical portion of the bit line, and a capacitor spaced apart vertically from the word line, and configured to surround the vertical active layer and the second vertical portion of the bit line.
A semiconductor memory device in which performance and reliability are improved, and a method for fabricating the same are provided. The semiconductor memory device includes a conductive line extending in a first direction on a substrate, an interlayer insulation film that includes a cell trench extending in a second direction intersecting the first direction, on the substrate, a first gate electrode and a second gate electrode that are spaced apart from each other in the first direction and each extend in the second direction, inside the cell trench, a channel layer that is inside the cell trench and is electrically connected to the conductive line, on the first gate electrode and the second gate electrode, and a gate insulation layer interposed between the first gate electrode and the channel layer, and between the second gate electrode and the channel layer.
Systems, methods, and apparatus including conductive line contact regions having multiple multi-direction conductive lines and staircase conductive line contact structures for semiconductor devices. One memory device comprises arrays of vertically stacked memory cells, having multiple multi-direction conductive lines arrays of vertically stacked memory cells, including a vertical stack of layers formed from repeating iterations of a group of layers, the group of layers comprising: a first dielectric material layer, a semiconductor material layer, and a second dielectric material layer, the second dielectric material layer having a conductive line formed in a horizontal plane therein, and the vertical stack of layers having multiple multi-direction conductive lines in an interconnection region with a first portion of the interconnection region formed in an array region and a second portion formed in a conductive line contact region that is spaced from the array region.
A capacitor includes: a semiconductor substrate; at least one trench provided in the semiconductor substrate and formed downward from an upper surface of the semiconductor substrate; a first conductive layer provided above the semiconductor substrate and in the trench; a first insulating layer provided between the substrate and the first conductive layer to isolate the first conductive layer from the substrate; a second conductive layer provided above the r substrate and in the trench, the second conductive layer including a first and a second conductive region that are independent from each other, the first conductive region being electrically connected to the substrate, and the second conductive region being electrically connected to the first conductive layer; and a second insulating layer provided between the first and the second conductive layer to isolate the first conductive region from the first conductive layer and isolate the second conductive region from the substrate.
The present disclosure provides a method of manufacturing a semiconductor structure. The method includes providing a semiconductor substrate including an active region and an isolation structure. The method also includes forming a contact structure on the active region of the semiconductor substrate. The method further includes forming a dielectric spacer on opposite sides of the contact structure. The method also includes forming a conductive element on the isolation structure of the semiconductor substrate, wherein the dielectric spacer has a concave surface facing the conductive element.
A power converter includes an integrated multi-layer cooling structure. The power converter includes a plurality of printed circuit boards (PCBs) stacked together in a generally vertical arrangement. A liquid cooling mechanism is attached to a lower-most PCB, and high loss circuitry components are attached to an opposite side of the lower-most PCB. Low loss circuitry components are attached to further PCBs. Magnetic components may be attached to the further PCBs. The high loss components are actively cooled by the liquid cooling mechanism and the low loss components and magnetic components are passively cooled. The liquid cooling mechanism may be a cold plate heatsink. The power converter may include intermediate PCBs disposed between the upper-most PCB and the lower-most PCB, with low loss circuitry components attached to the intermediate PCBs.
A substantially rectangular flat heat dissipation member includes: a composite portion where silicon carbide having voids is impregnated with metal; and a metal portion that is different from the composite portion. Here, a proportion of a volume of the metal portion to a total volume of the heat dissipation member is 2.9% or higher and 12% or lower. In addition, when a length of a diagonal line of the rectangular flat heat dissipation member is represented by L, in a top view where one main surface of the heat dissipation member is a top surface, 40% or higher of a total volume of the metal portion is present in a region D within a distance of L/6 from an apex of any one of four corners of the heat dissipation member. Further, a hole penetrates the metal portion in the region D.
A vapor chamber in which an enclosed space is formed, and a working fluid is sealed in this space, the enclosed space including: a plurality of condensate flow paths through which a fluid that is the working fluid in a condensing state flows; and vapor flow paths through which a vapor that is the working fluid in a vaporizing state flows, wherein each of projecting parts with which each of the vapor flow paths is provided has a projecting amount varying in an extending direction of the vapor flow paths; a pitch for opening parts that allow the vapor flow paths and the condensate flow paths to communicate varies in the extending direction of the vapor flow paths; or wall parts that separate the flow paths each have a given relationship with a transverse cross section of a given flow path.
A device incorporating both a magnet and a living hinge may be employed to construct cases to protect electronic devices and to function as a closure for cases and lidded containers. Such cases often can be bent three 360° allowing the cases to be either closed protecting devices therein are closed upon themselves allowing the case to function to secure an electronic device to a substrate such as an article of clothing. The devices of the disclosure can also be used to organize and hold loose items together.
A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.
A wiring board may include a core portion having first and second surfaces, and first and second buildup portions on the first and second surfaces, respectively. Each of the first and second buildup portions may include a first insulating layer on the core portion, a wire pattern on the first insulating layer, a second insulating layer on the first insulating layer to cover the wire pattern, and a protection layer covering the second insulating layer and exposing a portion of the wire pattern. The second insulating layer may include a resin layer and inorganic fillers distributed in the resin layer. The fillers may not be provided in the protection layer, and the resin layer of the second insulating layer and the protection layer may be formed of the same material. The wire patterns of the first and second buildup portions may be electrically connected to each other.
A holder arrangement for releasably holding a plurality of component feeders, configured to feed a component tape towards a picking position of a component mounting machine, is disclosed. The arrangement comprises a first mechanical interface configured to releasably attach the plurality of component feeders to the holder arrangement, and a second mechanical interface configured to releasably attach the holder arrangement to a component tape magazine configured to be loaded into the component mounting machine, such that the component feeders are positioned to guide the component tape to the picking position. Furthermore, a method for handling at least one component feeder, is disclosed.
A printed circuit board includes: a first insulating material; and a second insulating material disposed on one surface of the first insulating material, and including first and second cavities having depths different from each other. At least one groove portion is disposed in a side surface of each of the first and second cavities.
An optical module includes a box-shaped housing with an optical element mounted therein. Further, a wiring substrate is bonded to a part of a surface of a housing part of the housing, and an electric wiring, which is formed in the wiring substrate or on a surface of the wiring substrate, and an electric wiring, which is introduced into the housing part or onto a surface of the housing part, are electrically connected to each other.
A through connector device is disclosed. The device may include a coaxial cable receiver portion defined by one or more surfaces, the coaxial cable receiver portion configured to couple to a center conductor portion of a coaxial cable, the center conductor portion of the coaxial cable protruding above a dielectric material of the coaxial cable. The device may include a beam lead positioned adjacent to the coaxial cable receiver portion. The device may include a planar transmission line contact pad configured to make electrical contact with a planar transmission line of a printed circuit board. The device may include a step configured to electrically and mechanically couple the beam lead to the planar transmission line contact pad, the step configured to create a gap between a bottom surface of the beam lead and a top surface of an outer conductor portion of the coaxial cable.
An interface in a communications system includes a physical layer transceiver (PHY) for coupling to a wireline channel medium, and for coupling to a functional device via a single-ended cable. The PHY is an integrated circuit (IC) device having first and second differential input/output (I/O) conductors for coupling to the functional device, an impedance element configured to terminate a first one of the differential I/O conductors to a system ground, a second one of the differential I/O conductors being coupled to the single-ended cable, and a common-mode filter coupled to both of the differential I/O conductors. The PHY may further include a printed circuit board (PCB), with the IC device being mounted on the PCB, the first and second differential I/O conductors being signal traces on the PCB. The single-ended cable may be a coaxial cable.
A printed circuit board includes a reference plane embedded in a substrate and adjacent to the top surface of the substrate. The printed circuit board also includes a first signal net and a second signal net being in close proximity to each other and disposed within a specific region on the top surface of the substrate. An outermost insulating layer on the top surface of the substrate covers the substrate, the first signal net and the second signal net, and includes an opening to expose a portion of the second signal net. A conductive layer is disposed in the opening and on the outermost insulating layer corresponding to the specific region, such that the conductive layer overlaps with the first signal net. A fifth signal net is embedded in the substrate and between the reference plane and the outermost insulating layer.
A method of controlling a power convertor to perform diming control for a light-emitting diode (LED) load, can include: adjusting a length of a switching period of the power converter in accordance with a dimming signal; and controlling the power converter to generate a drive current corresponding to the dimming signal.
A circuit for driving a light-emitting diode (LED) load and a direct current to direct current (DC-DC) converter includes a first sampling sub-circuit, a driving circuit. The first sampling sub-circuit is configured to generate a current signal representing a load current of the LED load. The driving circuit is configured to receive a brightness adjustment signal and a frequency adjustment signal; generate a first control signal, based on the current signal and the brightness adjustment signal, for controlling an output current of the DC-DC converter; and generate a second control signal, based on the frequency adjustment signal, for controlling a switching frequency of the LED load.
Operation of an electrical load controller includes predetermining a duration of time based at least in part on a frequency of an alternating current (AC) waveform, the AC waveform oscillating though full cycles, selecting a detection window of time equal in duration to the predetermined duration of time, the selected detection window extending from a selected first time to a selected second time and straddling an expected time of a next zero-crossing of the AC waveform, monitoring a zero-crossing signal for a zero-crossing indication, of the next zero-crossing, occurring within the selected detection window, ascertaining a time of the next zero-crossing based on the monitoring, and selectively controlling a supply of AC power to a load, wherein the controlling uses the ascertained time of the next zero-crossing of the AC waveform to fire a switching circuit of the electrical load controller.
A lighting system includes control adapters and a lighting controller that sends commands and data over an AC power line to power and control the lamps associated with the control adapters. Lighting themes are uniquely programmable color and intensity that are applied to a collection of control adapters to achieve different lighting modes instantly, without the delay that programming each control adapter individually incurs. The plurality of control adapters receive theme lighting information over the power line and store the theme information in memory. The lighting controller sends a single command to the collections of the control adapter groups to apply the theme or a multiple of themes to run in sequence as a pattern. Each control adapter retrieves and applies the theme information associated with the pattern.
The invention relates to an electronic cigarette, an atomizer and a heating assembly thereof, wherein the heating assembly is used for the atomizer and includes an adsorption member, and at least one heating element for generating heat when electrified. The adsorption member comprises at least one surface defining at least one fixing groove therein, and the at least one heating element is disposed in the at least one fixing groove. The heating element is disposed in the fixing groove, so that the aerosol-generating substrate on the adsorption member can be more sufficiently coated on the heating element and dispersed to an outer surface of the heating element, preventing dry burning on the surface of the heating element; moreover, the amount of the aerosol-generating substrate heated and atomized by the heating element is increased, and so does the amount of aerosol generated by the heating element.
The invention relates to a method for operating a heating element (210), in particular in a food processor (1) for the at least partially automatic preparation of foodstuffs, wherein the following steps are performed: a) detecting an electrical resistance of the heating element (210) such that at least one resistance value is determined, b) performing a heating operation on the heating element (210) based on the at least one determined resistance value to perform the heating operation depending on a temperature of the heating element (210).
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to a method and apparatus for connecting communication by downloading and installing one or more communication services in a terminal in a wireless communication system. In addition, the disclosure relates to a method and apparatus for remotely downloading and installing a profile in a terminal, and managing a plurality of installed profiles.
When a node in a cellular communications network is serving a first User Equipment, it obtains information about a second UE that may be used as a relay by the first UE. It obtains information in the event that there is data to be sent to the first UE, and sends a request to a node serving the second UE.
Disclosed by the present application are a discontinuous reception method, terminal device and network device, the method including: a first terminal device determining a target discontinuous reception (DRX) cycle used for the first terminal device to detect a DRX indication signal during a DRX indication cycle which is used for DRX indication signal detection, the DRX indication cycle comprising N DRX cycles, the DRX indication signal being used to indicate that the first terminal device wakes up or sleeps during an activation period of the N DRX cycles after the moment when the DRX indication signal is detected; a first terminal device detecting a DRX indication signal sent by a network device in the target DRX cycle; the first terminal device waking up or sleeping according to the DRX indication signal during the activation period of the N DRX cycles after the moment when the DRX indication signal is detected.
Aspects of the present disclosure provide techniques for beam failure detection and related timing determinations, such as for applying a default beam after beam failure recovery response (BFRR) message. A method by a user equipment (UE) may include detecting failure of a beam associated with a first cell. The detecting can include performing beam failure detection (BFD) of a beam pair link (BPL) associated with the first cell (e.g., secondary cell (Scell)). The first cell can be in carrier aggregation (CA) with a second cell. The UE may send a beam failure recovery request (BFRQ) message on a second cell (e.g., a primary cell (Pcell)). The BFRQ message can include a candidate recovery beam for the first cell. The UE can receive a BFRR message on the second cell and determine a duration from reception of the BFRR message until using a default beam for communications on the first cell.
An example method includes receiving a connection request from a pending computing device to connect via one of multiple RF communication bands of a wireless network. The method further includes, in response to receiving the connection request from the pending computing device, determining whether a multiple RF communication band utilization threshold is exceeded by the connection request from the pending computing device. The method further includes in response to determining that the multiple RF communication band communication utilization threshold is not exceeded, establishing connection with the pending computing device via one of the multiple RF communication bands of the wireless network to enable communication of the pending computing device over the wireless network.
A method for establishing a communication connection and related apparatuses are provided. The method is applicable to a first earphone of wireless earphones. The wireless earphones further include a second earphone. The first earphone is in communication connection with the terminal. The first earphone is in communication connection with the second earphone. The method includes the following. A first distance between the first earphone and the terminal is determined. A second distance between the second earphone and the terminal is determined. A first message is sent to the second earphone for instructing the second earphone to establish a communication connection with the terminal, when the first distance is greater than or equal to a first threshold value and the second distance is less than a second threshold value.
A method for secure call endpoint pairing is disclosed. The method includes starting, at a call endpoint, a pairing procedure with a wireless headset. Also, the method includes receiving a headset identifier from the wireless headset. Further, the method includes sending the headset identifier in a request to a headset registry server, and receiving, from the headset registry server, a response to the request. Additionally, the method includes terminating the pairing procedure based on the response from the headset registry server.
The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) system, such as long-term evolution (LTE). The disclosure provides a method for operating a terminal in a wireless communication system, the method including: performing communication with an access and mobility management function (AMF) in a first network; and transmitting a radio resource control (RRC) message including information on the AMF in a second network.
A method performed by a first network node (101) for enabling a second feeder link (132) to be established between a second network node (102) and an airborne or orbital communication node (110) in non-terrestrial communications network (100) to handle wireless devices (121) being served by the airborne or orbital communication node (110) is provided. The first network node (101) is handling the wireless devices (121) served by the airborne or orbital communication node (110) over a first feeder link (131) between the first network node (101) and the airborne or orbital communication node (110). The method comprises determining (701) that the wireless devices served by the airborne or orbital communication node (110) are to be handled by the second network node (102) over the second feeder link (132). Also, the method comprises initiating (702) the second feeder link (132) to be established between the second network node (102) and the airborne or orbital communication node (110). Further, a first network node (101) for enabling a second feeder link (132) to be established between a second network node (102) and an airborne or orbital communication node (110) in non-terrestrial communications network (100) to handle wireless devices (121) being served by the airborne or orbital communication node (110) is also provided. A second network node and a method therein, as well as, computer programs and carriers are further provided.
A system uses deep packet inspection and a services policy database to select policy control functions based on services associated with a packet data session rather than an access point name or data network name. As a packet data session is initiated, a system management function (SMF) determines a service associated with the session and routes a policy request to one of several policy control functions (PCF or PCRF) depending on the service. Policies specific to the service may be chosen and enforced at the selected PCF/PCRF.
A system and method for using a mobile device to capture the proper execution of a series of one or more tasks with pre-assigned constraints that are associated with a specific set of assets is disclosed herein. The assets have certain known physical attributes and characteristics and are configured in a known manner. The assets are preferably vehicles such as trucks.
In 802.11ax networks with access points, a trigger frame offers scheduled and random resource units to nodes for data uplink communication to the access points. To make more effective the usage of the network, the access point may design the trigger frame to force the nodes to send some categories of data. Resource units may be defined in trigger frames to be dedicated to small packets or to some access category data. Adjusting the time length of the resource units helps restricting the type of data that can be conveyed by the resource units. Also, using various frequency widths for resource units in the same trigger frame helps reducing padding in the resource units when various traffic types coexist.
Aspects of the present disclosure relate to integration of sensing and wireless communications. Wireless communication networks can configure and implement both sensing signals and communication signals. Sensing signals, or sensing reference signals, can be used to determine properties of the environment, and do not carry any information or data for the purpose of communications. Communication signals, on the other hand, are signals that carry information or data between network entities. Sensing agents can be used for both passive and active sensing. Sensing agents may be dedicated devices capable of performing passive sensing, active sensing, or both. Sensing agents can also be existing networks device such as user equipment or transmit receive points. Methodologies described here may be particularly beneficial for half-duplex systems, but could also be implemented in full duplex systems.
Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety related services) on the basis of 5G communication technology and IoT-related technology. The present invention relates to a method and apparatus for performing uplink transmission in a wireless communication system.
A method, performed by a user equipment (UE), in a wireless communication system includes: obtaining sidelink logical channel configuration information corresponding to a logical channel and including a sidelink logical channel priority (sl-priority) parameter; selecting a destination associated with one of unicast, groupcast, and broadcast, based on the sidelink logical channel configuration information and sl-priority configured for each of at least one logical channel including sidelink data available for transmission; allocating sidelink resources to at least one logical channel corresponding to the destination based on the sl-priority configured for each of the at least one logical channel corresponding to the destination; multiplexing sidelink data included in the at least one logical channel corresponding to the destination to a medium access control (MAC) protocol data unit (PDU); and transmitting the MAC PDU to another UE using the sidelink resources.
A communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to intelligent services based on a 5G communication technology and an IoT-related technology. A method of a terminal of a wireless communication system is provided. The method includes receiving, from a base station, downlink control information (DCI) for scheduling of data transmission/reception, checking priority information related to the DCI, based on the priority information, determining whether to perform data transmission/reception scheduled according to the DCI, and if the data transmission/reception is determined to be performed, performing the data transmission/reception, wherein the priority information is indicated by a priority information field in the DCI, is a value configured by higher layer signaling, or is related to a format of the DCI.
The present disclosure relates to a communication technique for combining, with IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, security and safety related services, and the like based on 5G communication technologies and IoT-related technologies. The present disclosure discloses a method and an apparatus for efficiently transmitting and receiving a downlink control channel in a CA environment.
Systems and methods are disclosed herein for transmitting a mixture of critical and non-critical data in a wireless network. In some embodiments, a method performed by a wireless device comprises receiving a configured uplink grant that allocates uplink resources in a plurality of transmission time intervals and determining, at a time tarrival, that critical data is to be transmitted using the configured uplink grant, where a time tarrival+PT occurs after a start of a particular transmission time interval and where PT is a preparation time needed to prepare an uplink transmission on the configured uplink grant. The method further comprises transmitting an uplink transmission comprising the critical data using allocated uplink resources in the particular transmission time interval starting at a time that is at or after the time tarrival+PT. Corresponding embodiments of a wireless device are also disclosed.
A terminal, configured with configured grant resource is provided, wherein the terminal is adapted to transmit limited control information in the configured grant resource. A network device is provided, wherein the network device is adapted to configure a terminal to transmit limited control information in a configured grant resource.
In a wireless communication system comprising at least one evolved Node-B (eNB) and a plurality of wireless transmit/receive units (WTRUs), a non-contention based (NCB) channel is established, maintained, and utilized. The NCB channel is allocated for use by one or more WTRUs in the system for utilization in a variety of functions, and the allocation is communicated to the WTRUs. The wireless communication system analyzes the allocation of the NCB channel as required, and the NCB channel is reallocated as required.
A method for performing a random access is provided. The method includes identifying a first downlink (DL) reception (RX) beam based on a measurement on a beam measurement signal, identifying a first uplink (UL) transmission (TX) beam corresponding to the identified first DL RX beam and transmitting at least one random access preamble for an RX sweeping at a base station, using the identified first UL TX beam based on a first power.
A home network controller (HNC) device includes a memory and a processor configured to execute instructions stored on the memory to cause the HNC device to: instruct an APD to communicate with a client device over a first channel; receive a client information signal from the APD, wherein the client information signal relates to the client device and includes client disassociation data and client identification data; instruct the APD to communicate with the client device over a second channel; and transmit a channel information signal to the client device via the external network, wherein the channel information signal includes channel identification data identifying the second channel. The client disassociation data indicates that the client device has disassociated from the APD. The client identification data enables the processor to transmit the channel information signal to the client device via the external network.
An uplink transmission method and an apparatus thereof are provided. The method includes that a terminal in an unlicensed spectrum determines a target indication parameter, where the target indication parameter is used for indicating a target transmission mode adopted when a terminal transmits uplink data. The method further includes that the terminal determines the target transmission mode according to the target indication parameter and transmits the uplink data to a base station in the unlicensed spectrum on the basis of the target transmission mode.
A terminal is disclosed communicating using a first carrier performing at least Downlink (DL) transmission and a second carrier performing only Uplink (UL) transmission. The terminal includes a receiver that receives an indication regarding a UL, the indication included in downlink control information (DCI) that is reported from the first carrier and a processor that transmits a UL signal using the UL based on the indication. In other aspects, a radio communication method, a base station, and a system are also disclosed.
One embodiment of the present invention sets forth a technique for performing time synchronization within a network. The technique includes detecting a first scheduling conflict between a first transmission time associated with a first periodic beacon from a first node in the network and a second transmission time associated with a second periodic beacon from a second node in the network. The technique also includes determining a first alternate transmission time associated with the first periodic beacon based on a position of the first node in the network and the first transmission time. The technique further includes transmitting the first periodic beacon at the first transmission time, and transmitting an alternate periodic beacon at the first alternate transmission time.
Methods, media, and systems are provided for carrier aggregation grouping based on user device location. For example, the methods, media, and systems receive one or more Synchronization Signal Block (SSB) beam reports from one or more user devices. Further, a base station divides a coverage area associated with a multiple-input multiple-output (MIMO) service into carrier aggregation (CA) groups associated with one or more component carriers. Upon receiving or determining the location of the one or more user devices associated with each of the one or more SSB beam reports, the one or more component carriers are assigned to at least one of the CA groups based on the location of the one or more user devices and the SSB beam reports. Furthermore, if interference from a neighboring base station is detected, the one or more component carriers experiencing the interference is grouped differently from the interfering carriers.
Wireless communications systems and methods related to COT aware autonomous sidelink sensing are provided. A first user equipment (UE) selects at least a first resource from available resources in a sidelink resource pool within a shared radio frequency band. The selecting the first resource may be based on a channel-access gap preceding each resource of the available resources. The first UE further transmits, to a second UE using the selected first resource, one or more data blocks for a sidelink transmission.
In wireless communication systems using a subband full duplex carrier, a single slot may include one or more uplink (UL) portions and/or one or more downlink (DL) portions. In a case where a scheduler operating in a 3GPP New Radio (NR) network utilizes a Type 0 or Type 1 resource allocation, part of the DL allocation may fall within the UL portion of the carrier designated by the slot format, or vice versa. User equipment (a UE) may perform a logical operation that identifies, as a usable downlink resource allocation, a set of resource blocks belonging to both a given UL/DL resource allocation and a set of resources designated for UL/DL transmission in the slot format.
The present disclosure relates to a communication technique for converging an IoT technology with a 5G communication system to support a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart or connected car, health care, digital education, retail business, and services associated with security and safety, or the like) on the basis of 5G communication technology and an IoT-related technology. The present invention provides a method for determining a radio link failure. The method comprises the steps of: identifying an indication of in synchronization (IS) or out of synchronization (OOS) with respect to a plurality of reception beams; starting a timer to determine a radio link failure when the indication of OOS is identified; and holding the timer when at least one of the plurality of reception beams is requested to be changed.
An apparatus for time synchronization of a repeater according to an embodiment of the present disclosure includes a downlink receiver and a downlink transmitter establishing a downlink path for delivering a downlink signal, an uplink receiver and an uplink transmitter establishing an uplink path for delivering an uplink signal, a switch including an upper switch and a lower switch and performing switching such that the downlink path is established in a downlink interval and the uplink path is established in an uplink interval, a delay processor compensating for a time delay of one of the downlink signal and the uplink signal, and a synchronization controller controlling the switching of the switch in synchronization with the time delay of the compensated signal so that the uplink interval and the downlink interval do not overlap.
The present invention discloses a method for transmitting and receiving signals between a user equipment and a base station in a wireless communication system and device for supporting the same. More specifically, the invention discloses a method by which, when a base station transmits synchronization signal blocks in various beam directions, a user equipment achieves synchronization with the base station by detecting the index of a received synchronization signal block and then transmits and receives signals with the base station.
The present invention relates to a wireless communication system, and in particular, to a method and a device therefor, in which a sequence for a primary sidelink synchronization signal (PSSS) is generated on the basis of a specific cyclic shift value, and the PSSS is transmitted to a second device on the basis of the generated sequence, wherein the specific cyclic shift value is one of a plurality of first cyclic shift values for the PSSS, the plurality of first cyclic shift values are on the basis of a certain ratio being applied to offsets of second cyclic shift values for a downlink primary synchronization signal (DL PSS) sequence, and the intervals between the plurality of first cyclic shift values are maximized.
Optimal determination of transmit power level for MLDs in A Wireless Local Area Network (WLAN). An AP can establish synchronous downlink multi-link operations with another MLD. A first link and a second link between the AP and the MLD both operate in a same sub-band. The AP can then determine the same power level for both the first link and second link. After establishing the same power level, the AP can then determine a second power level for the first link and a third power level for the second link. The second power level is greater than the third power level. The AP can then provide the second power level for the first link and the third power level for the second link.
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for adjusting the transmission power of an unmanned aerial vehicle are disclosed. In one aspect, a method includes the actions of determining, by an unmanned aerial vehicle that includes a radio transceiver, an altitude of the unmanned aerial vehicle and a distance between the unmanned aerial vehicle and a base station. The actions further include, based on the altitude of the unmanned aerial vehicle and the distance between the unmanned aerial vehicle and the base station, determining, by an unmanned aerial vehicle, a transmission power level for the radio transceiver. The actions further include communicating, by the unmanned aerial vehicle, with the base station using the radio transceiver operating at the transmission power level.
Systems, methods, and computer readable media that schedules requests for location data of a mobile device, where the methods include selecting a first positioning system based on a power requirement, a latency requirement, and an accuracy requirement, and determining whether a first condition is satisfied for querying the first positioning system. The method further comprises in response to a determination that the first condition is satisfied, querying the first positioning system for first position data. The method further comprises in response to a determination that the first condition is not satisfied, selecting a second positioning system based on the power requirement, the latency requirement, and the accuracy requirement, determining whether a second condition is satisfied for querying the second positioning system, and in response to a determination that the second condition is satisfied, querying the second positioning system for second position data.
An infrastructure equipment (eNodeB) is configured to transmit a paging notification which indicates that configuration information which is broadcast in a cell to all communications devices which are configured to operate in accordance with a network controlled function has changed. Communications devices which are configured to perform the network controlled function are provided with an indication that they should receive the configuration information which is broadcast in order to reconfigure the network controlled function. A communications device which is not configured to perform the network controlled function may not recognise the paging notification or at least may detect that it does not need to receive the updated configuration information for the network controlled service. Such communications devices may therefore remain in an idle mode thereby saving power.
Embodiments of this application disclose a routing management method, used to advertise an address segment routing policy. The method in the embodiments of this application includes: A control plane function assigns an internet protocol IP address to user equipment. The control plane function determines an IP address segment, where the IP address belongs to the IP address segment. The control plane function sends information used to identify the IP address segment to a user plane function, where the IP address segment is used to advertise a routing policy.
A communication device may execute a wireless communication of object data with a mobile device via a first target network using a second type of interface after executing a sending process of sending a wireless setting, for causing the mobile device to belong to the first target network, to the mobile device using a first type of interface in a case where the communication device is determined as currently belonging to the first target network. The communication device may execute the wireless communication of the object data with the mobile device via a second target network using the second type of interface after executing a specific process of causing both the communication device and the mobile device to belong to the second target network in a case where the communication device is determined as currently not belonging to the target network.
Techniques for determining an alternative communication mode for vehicle-to-vehicle communication at a host vehicle can include monitoring the primary mode of RF communication to ensure it is effectively communicating and, if not, intelligently selecting a backup communication mode comprising one or more other sensors and/or systems of the vehicle. The selection of the backup communication mode may take into account various factors that can affect the various modes of communication from which the backup communication mode is selected.
A mobile device periodically determines its location and compares its location to a set of user-authorized geofenced region definitions. The proximity to any of the geofenced regions, as determines how often the mobile device determines its location (location sampling), and how it handles location information. Initially, when the mobile device is well outside of any of the geofenced regions a low location sampling rate is used. When the mobile device is within any of the geofenced regions, location information is transmitted, generally, to a backend server over a network. When the mobile device is not within any of the geofenced regions, transmission of location information can be inhibited. Further, when the mobile device is within a threshold distance of one of the geofenced regions, the sampling rate can be increased.
Described herein are systems, apparatus, methods and computer program products configured to provide tracking and/or status updates for on-site service personnel. Geofences may be utilized to provide for automated updates to a customer. Additionally, tracking links and other communications may be provided to the customer to allow for improved communications with on-site service personnel.
Disclosed is a data transmission method. The method comprises: a terminal device performing data transmission with a first network device and/or a second network device according to a time division multiplexing mode, the time division multiplexing mode indicating information associated with data transmission performed between the terminal device and the first network device and/or the second network device. Further disclosed are another data transmission method, a terminal device, and a storage medium.
A method and device for configuring a data flow are disclosed in embodiments of this disclosure. The method includes: transmitting indication information to an SDAP entity receiving end if a DRB corresponding to a QoS data flow is changed from a source DRB to a target DRB. The indication information is used to indicate that transmission of a first QoS data flow is completed on the source DRB or transmission of data of a second QoS data flow starts on the target DRB. Data of the QoS data flow includes data of the first QoS data flow and data of the second QoS data flow.
A mechanism for adjusting the data rate of data to be transmitted over a data channel based on anticipated changes in the communication channel, rather than based on the current state of the communication channel. This is done by accessing real time environment context data obtained from sensor data generated by one or more sensors of a sensor device, and then predicting a future capacity of a communication channel with a subject head-mounted device based on the accessed real time environment context data. The appropriate data rate is then determined based on this predicted future channel capacity rather than the current channel capacity. The data rate of data that is initiated towards the communication channel is then adjusted based on the determined data rate in anticipation of the predicted future capacity of the communication channel.
The present invention relates to a method of processing a data unit by a Service Data Adaptation Protocol (SDAP) entity of a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: receiving a SDAP Service Data Unit (SDU) from an upper layer; generating a SDAP protocol data unit (PDU) including a SDAP header and the SDAP SDU; and submitting the SDAP PDU to a lower layer, wherein the SDAP header includes a Quality of Service (QoS) Flow Identifier (QFI) field, wherein, based on that the QFI field has a specific value, the SDAP header further includes an extended QFI field having a value corresponding to the SDAP SDU.
Embodiments of this application provide a control information transmission method. The method includes: User equipment UE sends report information to a base station, where the report information includes a detection result of one or more downlink reference signals of the UE or a status of a timer/counter corresponding to the one or more downlink reference signals; the UE receives feedback information from the base station, where the feedback information includes sending status information of the one or more downlink reference signals.
Disclosed is a method comprising using a machine learning algorithm to select an antenna panel from a plurality of antenna panels. A first long-term reward value associated with the selected antenna panel is determined based at least partly on one or more first signals received on the selected antenna panel. A second signal is then transmitted or received via the selected antenna panel, if the first long-term reward value exceeds one or more second long-term reward values associated with at least a subset of the plurality of antenna panels.
This application discloses a communication method and a communications apparatus, and relates to the communications field. The communication method includes: obtaining, by a network data analytics function network element, an application information target value of a network slice in a specified location area; obtaining, by the network data analytics function network element, a network running information target value of the network slice in the specified location area based on an association relationship between application information and network running information and the application information target value, where the association relationship is used to describe an association relationship between application information and network running information when a communications service provided by the network slice in the specified location area meets a service level agreement SLA; and sending, by the network data analytics function network element, the network running information target value to an operation, administration, and maintenance server.
Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and/or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data.
A method performed by a first terminal performing vehicle-to-everything (V2X) communication with a second terminal via one or more PC5 unicast links in a wireless communication system is provided. The method may include: receiving, from a core network entity, information on one or more security policies respectively corresponding to the one or more PC5 unicast links, wherein each of the one or more PC5 unicast links is associated with one or more V2X services; transmitting, to the second terminal, a direct communication request message including the one or more security policies for initiating the V2X communication; and in case that the transmitted direct communication request message is accepted by the second terminal, activating a security of each of the one or more PC5 unicast links based on the received information on the one or more security policies.
An electronic processor of a wireless fob is configured to establish a first communication link between the wireless fob and an external device, and receive, over the first communication link, first identification information and credential information of a power tool device from the external device. The electronic processor is further configured to receive, via the wireless transceiver, an identification signal including second identification information from the power tool device. The electronic processor is further configured to identify the power tool device by determining that the first identification information matches with the second identification information. The electronic processor is further configured to transmit the credential information to the power tool device to establish a second communication link between the wireless fob and the power tool device and transmit, over the second communication link, a command to the power tool device to control an operation of the power tool device.
A system including an audio source device having a first microphone and a first speaker for directing sound into an environment in which the audio source device is located and a wireless audio receiver device having a second microphone and a second speaker for directing sound into a user's ear. The audio source device is configured to 1) capture, using the firs microphone, speech of the user as a first audio signal, 2) reduce noise in the first audio signal to produce a speech signal, and 3) drive the first speaker with the speech signal. The wireless audio receiver device is configured to 1) capture, using the second microphone, a reproduction of the speech produced by the first speaker as a second audio signal and 2) drive the second speaker with the second audio signal to output the reproduction of the speech.
In some embodiments, methods and systems for combining a prerecorded performance with a live performance within a space (such as a vehicle) are disclosed. A first performance (which may be a prerecorded performance) may be started within the space, and a second performance (such as a live performance) may subsequently be initiated within the space as well. The second performance may be detected, and based upon the detection, one or more volume parameters of the first performance may be modified. One or more properties of the second performance may also be modified, and the modified first performance may then be combined with the modified second performance to create a combined performance.
Systems and methods for detecting and acknowledging audio transmissions containing data. In one embodiment, a method is presented that includes receiving multiple audio signals that are detected by multiple receivers from within a service area. A first audio transmission may be detected in a first subset of the audio signal that are received by a first subset of the receivers. The first subset of the receivers may be positioned to receive audio transmissions from computing devices located within a first portion of the service area. At least one transmitter may be identified that is positioned to transmit audio transmissions to computing devices located within at least a subset of the first portion of the service area. A second audio transmission may be transmitted using the at least one first transmitter.
A vehicle includes a speed detecting device provided to detect a driving speed, a pressure detecting device provided to detect a pressure applied to a brake pedal, a power information obtaining device provided to obtain power information of a power device, and a sound reproducing apparatus provided to determine whether the vehicle is in a start state or a driving state according to driving speed information detected by the speed detecting device, pressure information detected by the pressure detecting device, and the power information, control reproduction of post-combustion noise when the processor concludes that the vehicle is in the start state, control reproduction of a slip sound in response to an acceleration command or a deceleration command when the vehicle is in the driving state, and control reproduction of an acceleration sound corresponding to an acceleration force when the vehicle is accelerating in the driving state.
An ear-worn electronic hearing device comprises an enclosure configured to be supported by, at, in or on an ear of the wearer. Electronic circuitry is disposed in the enclosure and comprises a wireless transceiver. An antenna is disposed in or on the enclosure and operably coupled to the wireless transceiver. The antenna has a physical size and comprises a plurality of cutouts disposed along a periphery of the antenna. The cutouts are configured to increase an electrical length of the antenna without an increase in the physical size of the antenna. The antenna can comprise at least one interior window having a window periphery. A plurality of window cutouts are disposed along the window periphery. The window cutouts are configured to increase a path length of current distribution along the window periphery.
An ear level auditory system comprising at least one ear level audio device (110, 210) adapted to provide a treatment based on inducing neural oscillations in a user.
A method, including obtaining data indicative of respective perceived loudness levels for a plurality of hearing percepts respectively evoked at different current levels, and creating a map for the hearing prosthesis based on the obtained data by adjusting at least one of the respective current levels based on data of a respective perceived loudness for another current level.
The disclosure provides a microphone chip, a microphone, and a terminal device. The microphone chip includes a substrate and a diaphragm that are disposed oppositely, a reflector located on a side that is of the diaphragm and that is close to the substrate, a grating group located between the substrate and the diaphragm, and an optical emitter and an optical detector that are located between the substrate and the grating group. The grating group includes a plurality of gratings, and distances between at least two gratings in the plurality of gratings and the reflector are different.
A capacitive transducer or microphone includes a first substrate of one or more layers and which includes a first surface, a first cavity in the first surface, and a mesa diaphragm that spans the first cavity. The capacitive transducer or microphone includes a second substrate fixed to the first substrate. The second substrate has one or more layers which includes a second cavity having a nonplanar (e.g., contoured or structured or stepped) bottom surface that faces the mesa diaphragm. A shape or relief of the bottom surface of the cavity may advantageously be, to at least some degree, complementary to a deformed shape of the diaphragm. The second substrate may include one or more acoustic holes, non-uniformly distributed thereacross. One or more vents may vent the second cavity.
A phasing plug adaptor for a speaker assembly includes a plurality of concentric rings and a plurality of concentric channels. The plurality of concentric rings are tapered between an entry-side edge and an exit-side edge. An innermost ring defines a channel that is coaxial with a longitudinal axis.
The present disclosure provides an open earphone comprising: a sound producer including a transducer and a housing accommodating the transducer; and an ear hook, the ear hook including a first portion and a second portion; wherein the ear hook and the sound producer form a first projection on a first plane, the first projection including an outer contour, a first end contour, an inner contour and a second end contour, and the outer contour, the first end contour, the second end contour and a tangent segment connecting the first end contour and the second end contour jointly define a first closed curve.
A wireless charger inductively charges devices of various shapes and/or types, such as with multiple bend radii. Smartphones, headphones, key fobs, and other wireless devices may be laid atop the wireless charger. The wireless charger has flexible and pliable features that conform to the shape of the wireless device. The flexible and pliable features maintain a conformal relationship with the wireless device laid atop the wireless charger. The flexible and pliable features increase the efficiency of inductive power transfer and can reduce charge times and/or reduce heat generated due to thermal losses.
A service data transmission method, a related device, and a digital processing chip, to reduce a transmission latency of service data. The method in the embodiments includes the following steps: a first device encapsulates a channel frame in a transmission frame, where the channel frame is used to carry service data. Next, the first device sends the transmission frame to a second device. A transmission manner of the channel frame is a non-decapsulation manner between an optical transport network and an access network.
An apparatus for acquiring images includes an image sensor and a signal processor. The image sensor may include a sensor substrate and a color separation lens array, wherein the sensor substrate includes a plurality of photo-sensing cells, and the color separation lens array may separate an incident light into a plurality of lights having different wavelengths and forms a phase distribution for condensing the plurality of lights having the different wavelengths on adjacent photo-sensing cells of the plurality of photo-sensing cells. The signal processor may perform deconvolution on sensing signals of the plurality of photo-sensing cells to obtain a sub-sampled image, perform demosaicing to restore a full resolution image having a full resolution from the sub-sampled image, and correct a color of the full resolution image using a point spread function (PSF) of the color separation lens array.
Methods, systems, and apparatus, including computer programs encoded on computer storage media relate to a method for providing video communications with dynamic virtual backgrounds within a communication platform. The system establishes a connection with the calendar account of a user. The calendar account maintains historic and planned meeting details for the user. The system may evaluate the calendar account of the user and automatically generate use rules for virtual backgrounds to be used for planned meetings. Based on contextual information of a planned meeting, the system may apply one of the generated rules and select a virtual background to be used for video communications during the meeting.
A controller for calibrating a videoconferencing system is disclosed. The system includes a first codec connected to a second codec through a videoconferencing connection. The controller includes an output in communication with the first codec for controlling the first codec to transmit a videoconferencing signal to the second codec through the videoconferencing connection, and an input for receiving a calibration adjustment value from another controller over a network, where the other controller is in communication with the second codec. The controller is configured to adjust a signal level setting of the first codec using a level adjustment command of the first codec, and the level adjustment command is determined according to the calibration adjustment value transmitted by the other controller.
This disclosure is directed to facilitating voice and video communication between users independent of a location or a device. A communication request can specify users, who may be identified and located in their respective environments. For example, users can be identified and located using facial recognition imaging techniques and/or by monitoring a radio frequency (RF) signal associated with a device that is carried or worn by a user. After determining a location of a user, individual devices can be configured as a functionally grouped device to allow the users to communicate. For example, capabilities of a television, microphone, speaker, and imaging device can be combined to allow a video communication between users. Further, as a user moves around his or her environment, the location of the user can be tracked and additional functionally grouped devices can be provided for seamless communication.
Apparatuses, systems, and techniques to enhance video are disclosed. In at least one embodiment, one or more neural networks are used to create, from a first video, a second video having one or more additional video frames.
The present technique relates to an apparatus and a method for video-audio processing, and a program each of which enables a desired object sound to be more simply and accurately separated.
A video-audio processing apparatus includes a display control portion configured to cause a video object based on a video signal to be displayed; an object selecting portion configured to select the predetermined video object from the one video object or among a plurality of the video objects; and an extraction portion configured to extract an audio signal of the video object selected by the object selecting portion as an audio object signal. The present technique can be applied to a video-audio processing apparatus.
A display device includes a power key, and at least one processor that executes following: determination processing that determines, when turning on a light source in response to a user's operation on the power key, whether a power supply supplying power is a predetermined power supply or not, and control processing that displays, when the determination processing determines that the power supply is the predetermined power supply, a power-on continuation confirmation screen and continues, in case of detection of a confirmation operation from the user according to the power-on continuation confirmation screen, lighting of the light source.
The present disclosure relates to a video processing apparatus and a video processing method that allow each person involved to make an advance preparation more easily.
A presentation control unit controls, in such a way that, with a first scene of a captured video currently being captured used as a reference, advance information regarding a second scene is presented at a presentation timing before the second scene after the first scene, in a mode corresponding to an output destination of the captured video, the presentation of the advance information. The technology according to the present disclosure can be applied to, for example, a camera that captures video content such as a movie, a drama, or a CM.
A flicker measurement device includes a first processing unit that performs a first process of calculating respective flicker values of a plurality of measurement regions set on a measurement object based on a photometric quantity of the measurement object obtained from the measurement object under a measurement condition of a flicker for each of the plurality of measurement conditions stored in advance in a measurement condition storage unit, a second processing unit that performs a second process of generating linked data in which data composed of the respective flicker values of the plurality of measurement regions calculated by the first processing unit and the measurement conditions are linked for each of the plurality of measurement conditions, and a third processing unit that performs a third process of storing the linked data generated by the second processing unit in a linked data storage unit for each of the plurality of measurement conditions.
A vehicle occupant monitoring system, OMS, comprises: an image acquisition device comprising an image sensor and a lens assembly having a varying transmissivity across a field of view of the image sensor; at least one infra-red, IR, light source disposed within a cabin of the vehicle and being configured to illuminate at least one occupant of the vehicle with varying illumination across the field of view of the image sensor; and an image processing pipeline configured to obtain and pre-process an image acquired from the image sensor in accordance with a lens shading map and a cabin illumination map in order to compensate for both the varying transmissivity and the varying illumination in order to provide a more uniformly illuminated image to a controller for further analysis.
The subject disclosure relates to techniques for adjusting an exposure setting. A process of the disclosed technology can include steps for determining a localization parameter of an autonomous vehicle, the localization parameter including a geographic position of the autonomous vehicle, determining a region of interest based on the localization parameter of the autonomous vehicle, receiving a first image including the region of interest based on the localization parameter of the autonomous vehicle, determining an exposure setting for the region of interest in the first image, and adjusting an exposure setting of the first image to the exposure setting for the region of interest in the first image. Systems and machine-readable media are also provided.
A method for decoding a 360-degree image includes: receiving a bitstream obtained by encoding a 360-degree image; generating a prediction image by making reference to syntax information obtained from the received bitstream; combining the generated prediction image with a residual image obtained by dequantizing and inverse-transforming the bitstream, so as to obtain a decoded image; and reconstructing the decoded image into a 360-degree image according to a projection format. Here, generating the prediction image includes: checking, from the syntax information, prediction mode accuracy for a current block to be decoded; determining whether the checked prediction mode accuracy corresponds to most probable mode (MPM) information obtained from the syntax information; and when the checked prediction mode accuracy does not correspond to the MPM information, reconfiguring the MPM information according to the prediction mode accuracy for the current block.
Embodiments of the present disclosure relate to image stabilization technology, and provide an image stabilization method and apparatus, a terminal, and a storage medium. The method is applied in a terminal equipped with at least two camera modules corresponding to different focal length ranges. The method includes: obtaining a first image outputted from a first camera module of the at least two camera modules and a second image outputted from a second camera module of the at least two camera modules; processing, in a zooming process, the first image and the second image in a predetermined processing scheme to obtain a target image, the predetermined processing scheme including an electric image stabilization process and a zooming process, the zooming process being a process of switching from the first camera module to the second camera module; and displaying the target image on a viewfinder screen.
Systems, video cameras, and methods for using audio sensors to control surveillance video capture are described. A video camera and audio sensor are deployed so that the audio sensor has an audio field that is at least partially outside the field of view of the video camera. The audio sensor collects audio data from the audio field and a controller for the video camera uses audio events from the audio data for modifying the video capture operations of the video camera. Video data is then captured based on the modified video capture operations, such as initiating video capture, changing the video capture rate, or changing the camera position.
A computer-implemented camera function control method of an electronic device includes receiving a user selection, the user selection corresponding to a camera function selected from a camera list which includes a plurality of camera functions of a camera application installed on the electronic device, the plurality of camera functions each being configured in a package form to be operable in an individual camera mode of the camera application; and constructing, using a package of the camera function corresponding to the user selection, a user interface for image capturing.
There is provided an image capturing apparatus. A shooting control unit carries out continuous shooting. A detection unit detects, from an image obtained through the continuous shooting, a plurality of object classes. The object classes are organized hierarchically according to a hierarchical structure in which an object class in a higher hierarchy level contains an object class in a lower hierarchy level. A selection unit selects a specific hierarchy level on the basis of a predetermined selection criterion. A notification unit notifies a user of one or more of the plurality of object classes, with priority given to an object class belonging to the specific hierarchy level.
The present disclosure relates to cantilevered imaging modality wearable optical systems that provide for optimal ergonomics coupled with vision enhancement and vision magnification. Methods of use, devices, and kits are also contemplated.
A computing system receives a video stream of a game. The computing system generates tracking data corresponding to the video stream using one or more artificial intelligence models. The computing system generates interactive video data by combining the video stream of the game with the tracking data. The computing system causes a media player to render graphics corresponding to the tracking data over the video stream by sending the interactive video data to a client device executing the media player.
Different implementations are described, particularly implementations for processing a medium dynamic range video signal are presented. In a method for processing such a video signal a medium dynamic range video signal and associated metadata are received, wherein the metadata include data representative of a peak luminance value of the medium dynamic range video signal. In addition, data representative of a peak luminance value of a presentation display are received. It is determined whether the peak luminance value of the medium dynamic range video signal is greater or lower than the peak luminance value of the presentation display. A processor is configured based on the determination, wherein the processor has a first mode to reconstruct a high dynamic range video signal based on a received standard dynamic range video signal and associated metadata, and a second mode to optimize a received high dynamic range video signal for the rendering device. The medium dynamic range video signal is processed by the processor in the first mode if the peak luminance value of the medium dynamic range video signal is smaller than the peak luminance value of the presentation display and in the second mode if the peak luminance value of the medium dynamic range video signal is greater than the peak luminance value of the presentation display.
A point cloud encoding and decoding method, an encoder, and a decoder are provided. The encoder determines a processing order of point cloud data during point cloud encoding. The encoder determines a coordinate-axis-order index corresponding to the processing order. The encoder encodes the coordinate-axis-order index and signals encoded bits into a bitstream. The encoder processes the point cloud data according to the processing order, to obtain point cloud data to-be-encoded. The encoder encodes the point cloud data to-be-encoded and signals encoded bits into the bitstream. The encoder determines the coordinate-axis-order index corresponding to the processing order as follows. The encoder sets a value of the coordinate-axis-order index corresponding to the processing order according to a correspondence table between preset indexes and processing orders.
Embodiments of the present disclosure provides systems and methods for processing video content. The methods include: reconstructing a plurality of luma samples associated with a picture; and reconstructing a chroma block associated with the picture. The reconstructing of the chroma block includes: determining whether the chroma block has non-zero residues; and in response to a determination that the chroma block has one or more non-zero chroma residues, determining an averaged value of the plurality of reconstructed luma samples, and scaling residues of the chroma block based on the averaged value, prior to reconstructing the chroma block.
Disclosed are an image encoding method using a skip mode and a device using the method. The image encoding method may comprise the steps of: judging whether there is residual block data of a prediction target block on the basis of predetermined data indicating whether residual block data has been encoded; and, if there is residual block data, restoring the prediction target block on the basis of the residual block data and an intra-screen predictive value of the prediction target block. Consequently, encoding and decoding efficiency can be increased by carrying out the encoding and decoding of screen residual data only for prediction target blocks where there is a need for a residual data block in accordance with screen similarity.
A video decoding method performed by a decoding apparatus includes the steps of: deriving control points (CP) for a current block; acquiring movement vectors for the CPs; deriving a sample unit movement vector in the current block on the basis of the acquired movement vectors; and deriving a prediction sample for the current block on the basis of the sample unit movement vector. According to the present invention, it is possible to effectively perform, through sample unit motion vectors, inter-prediction not only in a case where an image in the current block is plane-shifted but also in a case where there are various image distortions.
The application relates to an encoding and decoding method and apparatus, an encoding-side device, and a decoding-side device. The method includes: if characteristic information of a current block meets a specific condition, determining a first reference block corresponding to the current block according to a first original motion vector of the current block, and determining a second reference block corresponding to the current block according to a second original motion vector of the current block; adjusting the first and second original motion vectors according to a first pixel value of the first reference block and a second pixel value of the second reference block to obtain a first target motion vector corresponding to the first original motion vector and a second target motion vector corresponding to the second original motion vector; encoding or decoding the current block according to the first and second target motion vectors.
A video codec can involve processing video information based on a motion model involving a coding unit including a plurality of sub-blocks, such as an affine motion model, to produce motion compensation information, obtaining a local illumination compensation model, and encoding or decoding the video information based on the motion compensation information and the local illumination compensation model.
An image encoding/decoding method and apparatus are provided. The image decoding method comprises obtaining, from a bitstream, video coding layer (VCL) network abstraction layer (NAL) unit type information of a current picture and first flag information specifying whether a subpicture included in the current picture is treated as one picture, determining a NAL unit type of each of a plurality of slices included in the current picture, based on the obtained VCL NAL unit type information, and decoding the plurality of slices based on the determined NAL unit type and the first flag information. The current picture may comprise two or more subpictures based on at least some of the plurality of slices having different NAL unit types, and the first flag information may have a predetermined value specifying that each of the two or more subpictures is treated as one picture based on at least some of the plurality of slices having different NAL unit types.
Pruning method for History-based affine parameters is described. In an exemplary aspect, a method for video processing includes deriving, for a conversion between a current block of video and a bitstream representation of the current block, a first set of affine parameters associated with affine model for the current block; comparing the first set of affine parameters to one or more of sets of affine parameters stored in a buffer for storing affine parameters so as to determine whether the first set of affine parameters is same or similar to at least one set of affine parameters; and deciding whether or how to update the buffer for storing affine parameters based on the determination.
This application relates to video encoding and decoding, and specifically to tools and techniques for using and providing supplemental enhancement information in bitstreams. Among other things, the detailed description presents innovations for bitstreams having supplemental enhancement information (SEI). In particular embodiments, the SEI message includes picture source data (e.g., data indicating whether the associated picture is a progressive scan picture or an interlaced scan picture and/or data indicating whether the associated picture is a duplicate picture). The SEI message can also express a confidence level of the encoder's relative confidence in the accuracy of this picture source data. A decoder can use the confidence level indication to determine whether the decoder should separately identify the picture as progressive or interlaced and/or a duplicate picture or honor the picture source scanning information in the SEI as it is.
Example implementations include a method, apparatus and computer-readable medium of video processing, including constructing, during a conversion between a current video block of a video and a bitstream of the video, at least one template set for the current video block from a plurality of sub-templates. The one or more sub-templates may be selected from a plurality of sub-templates including: a left sub-template, an above sub-template, a right-above sub-template, a left-below sub-template, and a left-above sub-template. The implementations further include deriving at least one intra-prediction mode (IPM) based on cost calculations. The implementations include determining, based on the at least one IPM, a final predictor of the current video block. The implementations include performing the conversion based on the final predictor.
Devices, systems and methods for digital video coding, which includes inter prediction with refinement, are described. An exemplary method of video processing includes determining to use, for a conversion between a current block of a video and a bitstream representation of the video, a first linear optimization model for the conversion using a first coding mode, the first linear optimization model being derived from a second linear optimization model that is used for the conversion using a second coding mode, and performing, based on the determining, the conversion. Another exemplary method of video processing includes determining to use, for a conversion between a current block of a video and a bitstream representation of the video, a gradient value computation algorithm for a bi-directional optical flow tool, and performing, based on the determining, the conversion.
A method by which a video decoding device decodes a video, according to the present document, can comprise the steps of: parsing, from a bitstream, number information related to the number of slices of which the height within a tile of a current picture is explicitly signaled; parsing, from the bitstream, on the basis of the number information, height information related to the height of the slices of which the height is explicitly signaled; deriving the number of slices in the tile on the basis of the number information and the height information; generating prediction samples by predicting the current block of the current picture on the basis of the slices within the tile; generating reconstructed samples on the basis of the prediction samples; and generating a reconstructed picture for the current picture on the basis of the reconstructed samples.
A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video and a coded representation of the video, a context that is used to code a flag using arithmetic coding in the coded representation of the current video block, wherein the context is based on whether a top-left neighboring block of the current video block is coded using a cross-component linear model (CCLM) prediction mode; and performing the conversion based on the determining.
A method for mapping non-uniformities of a portable image sensor having image sensor elements, each image sensor element having a coordinate. The method including the image sensor capturing images of a property from a test pattern using different image sensor elements. The non-uniformity of the image sensor can be mapped by storing the values of the property with the respective image sensor element coordinates in a look-up table.
An apparatus includes a controller coupled to a stereoscopic image viewer. The stereoscopic image viewer includes a viewing lens, an image capture unit, and a plurality of light sources. The image capture unit is configured to capture image frames. The controller receives the captured image frames. The controller is configured to switch light output from one of the plurality of light sources to another one of the plurality of light sources if a corneal reflection in a captured image frame intersects a fixed reflection in the captured image frame.
Systems and methods for reducing the deleterious effects of specular reflections (e.g., glint) on active illumination systems are disclosed. An example system includes an illuminator or light source configured to illuminate a scene with electromagnetic radiation having a defined polarization orientation. The system also includes a receiver for receiving portions of the electromagnetic radiation reflected or scatter from the scene. Included in the receiver is a polarizer having a polarization axis crossed with the polarization orientation of the emitted electromagnetic radiation. By crossing the polarizer with the polarization of the emitted electromagnetic radiation, the polarizer may filter out glint or specular reflections in the electromagnetic radiation returned from the scene.
A firmware of the image forming device stores USB configuration information in a memory when updating the firmware in a normal operation. When updating of the firmware is not completed normally, the image forming device operates a recovery operation by executing a recovery program. The recovery program transmits USB configuration information, which is stored in the memory, to a terminal device when performing USB communication with the terminal device in the recovery operation. Thus, the USB configuration of the normal operation and that of the recovery operation are identical.
The present disclosure describes a first device sending to a second device a face template of the user of the first device. When the second device captures an image, the second device may compare the face template to a second face template derived from the captured image. If a match is determined to exist, the second device may send the captured image to the first device. The face template may be transferred over a first communication interface, while the captured image may be sent over a second communication interface. The first communication interface may be Bluetooth and the second communication interface may be WIFI Direct. As such, the system may function in environments without cellular coverage and/or infrastructure WIFI networks. Additionally, the user of the first device does not need to be identified, only matched to the second face template.
A link management device with a special function is connected to the IP network, and the link management device controls a process of establishing a link between an IP converter device and a signal transfer point. The IP converter device transmits a request including a point code to the link management device, and the link management device determines the IP address and the like of the signal transfer point as a connection destination from the received point code. The link management device transmits information for identifying the signal transfer point to the IP converter device, and also transmits information for identifying the IP converter device to the signal transfer point as the connection destination. The port number of the IP converter device is determined by the link management device. The port number of the signal transfer point is determined by the link management device.
A method is provided. The method comprises a computer performing receiving notice of an incoming inquiry originated by a customer device. The method further comprises the computer performing instantiating a session with the customer device, the session performing comprising the computer combining chatbot functionality and flow control functionality. The method further comprises the computer performing a prompt to the customer device, the prompt comprising a set of valid selections. The method further comprises the computer performing receiving a selection from the customer device. The method further comprises the computer, performing based on the received selection, at least one of providing information to the customer device and routing the inquiry.
A method for cellular network outage detection including monitoring error rates associated with a network node of a cellular network for a first predetermined time period. The method includes determining a first baseline error rate for the network node based on the plurality of first error rates for the first predetermined time period, and determining a first threshold error rate for the network node based on the first baseline error rate for the network node. The method includes monitoring a plurality of second error rates associated with the network node for a time period subsequent the first predetermined time period, and detecting an excessive error rate of the plurality of second error rates associated with the network node, where the excessive error rate exceeding the first threshold error rate. The method includes, in response to detecting the excessive error rate, automatically executing a predetermined override rule.
Techniques for automatically prompting a calling user to send a message to a called user, the calling user using a calling device and the called user using a called device, the method including receiving, at a processor in the calling device, an indication that a call from the calling device to the called device has disconnected, determining, at the processor in the calling device, whether the call connected before receiving the indication that the call has disconnected, and in response to determining that the call did not connect before receiving the indication that the call has disconnected, determining that the call was a missed call. Methods and devices for automatically prompting a user with predictive message response options are also disclosed.
A method includes broadcasting, by a node computer, a propose message comprising a new block for a blockchain to a plurality of node computers in a network shard. The node computer can receive at least one vote message from the plurality of node computers, the at least one vote message indicating verification of the new block. The node computer can, after a predetermined amount of time, receive a plurality of pre-commit messages comprising at least the new block and a block certificate created based on the at least one vote message. If the number of received pre-commit messages of the plurality of pre-commit messages is greater than a quorum value associated with the network shard, the node computer can commit the new block to the blockchain.
Disclosed is a physical unclonable function generator circuit and method. In one embodiment, physical unclonable function (PUF) generator includes: a PUF cell array that comprises a plurality of bit cells, wherein each of the plurality of bit cells comprises at least two access transistors, at least one enable transistor, and at least two storage nodes, wherein the at least two storage nodes are pre-configured with substantially the same voltages allowing each of the plurality of bit cells having a first metastable logical state; a PUF control circuit coupled to the PUF cell array, wherein the PUF control circuit is configured to access the plurality of bit cells to determine second logical states by turning on the at least one enable transistor and turning off the at least two access transistors of each of the plurality of bit cells, and based on the second logical states of the plurality of bit cells, to generate a PUF output; and a noise injector coupled to the PUF control circuit and the PUF cell array, wherein the noise injector is configured to create stressed operation conditions to evaluate stability of the plurality of bit cells.
An information processing method is executed by a processor of an apparatus, and includes a step of generating a public key of the apparatus based on a private key of the apparatus (S2), a step of generating a hash value based on the public key and a predetermined hash function (S3), and a step of determining an IP address of the apparatus based on the hash value (S6).
The disclosed embodiments enable applying production nature to a software signature post-build (or even post-release), where the signature type is determined by the existence of a production-signed intermediate CA certificate—either hosted in the cloud (for pure release immutability), or re-ingested into the package (if certain modification are allowed). This allows a so-called deferred issuance of the product release. Even if the CA certificate is to be reinserted into the package, this modification likely affects only the delivery shell (e.g., installer) and may not require format-specific binary changes of, possibly heterogeneous, artifacts therein.
A method of implementing a revocable threshold hierarchical identity-based signature scheme may include receiving an identifier associated with a user. A first secret key based on the identifier may be generated. A string and the identifier may be directed to be posted on a block of a blockchain. A second secret key may be generated using the string, the first secret key, and the identifier. The block that includes the string and the identifier may be signed using the second secret key. A message may be signed using the second secret key to generate a signature. The signature may be provided to a device. The signature may be verifiable by the device using the string and the identifier obtained from the block by the device.
A method for blockchain generation is provided. The method includes: sending, by a client, transaction information to a first node device, where the transaction information includes basic information and digest information; receiving, by the client, an endorsement result sent by the first node device, where the endorsement result includes a signature generated after the first node device successfully performs transaction simulation; and if the endorsement result meets a preset transaction condition, sending, by the client, the digest information and the endorsement result to a second node device, so that the second node device sends, to the first node device the digest information to generate a complete blockchain. In this way, only the digest information is transmitted between the first node device and the second node device. Therefore, the second node device does not obtain the complete transaction information, so that information security is improved.
Devices and techniques for authenticated modification of a storage device are described herein. A data transmission, received at an interface of the storage device, can be decoded to obtain a command, a set of input identifications, and a first signature corresponding to data identified by the input identifications. Members of the set of input identifications can be marshalled to produce an input set. A cryptographic engine of the storage device can be invoked on the input set to produce a second signature from the input set. The first signature is and the second signature are compared to determine a match. In response to the match, the input set can be written to a secure portion of the storage device.
Systems, methods, apparatuses, and computer-readable media for secure management of accounts on display devices using a contactless card. An application executing on a display device may receive a request specifying a service provider. The display device may receive a cryptogram generated a contactless card, and transmit the cryptogram to an authentication server. The authentication server may decrypt the cryptogram and generate a virtual account number associated with the contactless card. The authentication server may transmit the virtual account number to the service provider, which may create an account based at least in part on the virtual account number and the decryption of the cryptogram by the authentication server. The display may receive an authentication token generated by the service provider for the account, and access the account created by the service provider based at least in part on the authentication token.
Techniques are presented relating to security of blockchain transactions that transfer digital assets or entities from one resource to another. Techniques provide a computer-implemented method for improving the security, anonymity and/or control of a value-mixing blockchain transaction having a plurality of participating nodes, each node having a respective output address to which the transaction is to allocate value. The method includes encrypting by a node its output address using that node's public key, adding the encrypted output address to a set of output addresses for the transaction, shuffling the order of the encrypted output addresses in the set. Each participating node identifies its encrypted output address in the set, and replaces its encrypted output address with its unencrypted output address. The result is a shuffled set of output addresses that cannot be linked to a particular input. with its unencrypted output address. The result is a shuffled set of output addresses that cannot be linked to a particular input.
A cryptographic key management service receives a request, associated with a principal, to use a cryptographic key to perform a cryptographic operation. In response to the request, the service determines whether a rate limit specific to the principal is associated with the cryptographic key. If the rate limit is associated with the cryptographic key, the service generates a response to the request that conforms to the rate limit. The service provides the response in response to the request.
A computer-implemented method for providing a distributed data processing service for performing a secure multiparty computation of a function on at least first and second items of private input data using at least a first and a second computing engine communicatively coupled via a communication network.
A key exchange system in which a shared key is generated for executing encrypted communication between communication apparatuses according to an authenticated key exchange protocol using ID-based encryption, wherein each communication apparatus includes a memory and a processor configured to generate a short-term private key by using a private key of the communication apparatus; generate a short-term public key of the communication apparatus by using the short-term private key; generate private information on the communication apparatus by using the short-term private key, a short-term public key generated by another communication apparatus, and public information generated by the communication apparatus and said another communication apparatus or public information generated by a key delivering center; and generate the shared key for executing encrypted communication with said another communication apparatus by executing a pairing operation using the private key of the communication apparatus and the private information.
A registration device (500) accepts plaintext, attribute information of a user having an authority of referring to the plaintext, and a registration key for use in generating a user key for generating a search query. The registration device generates aggregate information indicating one or more aggregate values, by aggregating a plurality of attribute values included in the attribute information. The registration device generates generalized information indicating a plurality of generalized values for each aggregate value by generalizing each aggregate value included in the aggregate information. The registration device generates ciphertext data including the plaintext encrypted, by using the plaintext, the attribute information, the generalized information, and the registration key. The registration device registers the ciphertext data in a database.
Provided are methods and systems for performing a secure machine learning analysis over an instance of data. An example method includes acquiring, by a client, a homomorphic encryption scheme, and at least one machine learning model data structure. The method further includes generating, using the encryption scheme, at least one homomorphically encrypted data structure, and sending the encrypted data structure to at least one server. The method includes executing a machine learning model, by the at least one server based on the encrypted data structure to obtain an encrypted result. The method further includes sending, by the server, the encrypted result to the client where the encrypted result is decrypted. The machine learning model includes neural networks and decision trees.
A Phase Locked Loop PLL circuit and method therein for generating multiphase output signals are disclosed. The PLL circuit includes a digitally controlled oscillator, a sample circuit, an analog to digital converter and a digital processing unit. The digital processing unit comprises a phase estimator configured to estimate a phase of the multiphase output signals, a differentiator configured to calculate a phase difference between a current phase and a previous phase, and an accumulator configured to accumulate the phase differences generated by the differentiator. The PLL circuit further comprises a loop filter configured to receive an output from the accumulator and generate a control signal to the digitally controlled oscillator to adjust frequency of the digitally controlled oscillator generating the multiphase output signals.
Techniques are disclosed for an adaptive and causal random linear network coding (AC-RLNC) with forward error correction (FEC) for a communication channel with delayed feedback. An example methodology implementing the techniques includes transmitting one or more coded packets in a communication channel, determining a channel behavior of the channel, and adaptively adjusting a transmission of a subsequent coded packet in the first channel based on the determined channel behavior. The communication channel may be a point-to-point communication channel between a sender and a receiver. The channel behavior may be determined based on feedback acknowledgements provided by the receiver. The subsequent coded packet may be a random linear combination of one or more information packets.
A method includes receiving, by a receiving device from a transport network, a code block stream that is in a first rate mode and that includes a plurality of code blocks, determining a target code block from the code block stream, where the target code block is a code block received by the receiving device in an inter-packet gap of the code block stream, the target code block includes a first target code block, and the first target code block is a code block of a data type, and/or the target code block includes a second target code block, and the second target code block is a code block of a termination type, and modifying the target code block to modify the target code block to a code block, of an ordered set type, that is in a second rate mode.
A system and method for analyzing website visitor behavior. The method includes analyzing website visitor recordings associated with a website visit of each of a plurality of website visitors; determining a route taken within the website by each of the plurality of website visitors based on the website visitor recordings, wherein the route includes a chronological sequence of user interactions with website elements; and dividing the plurality of routes into clusters based on common path flows.
A method obtains service request information identifying computing device nodes invoked by users. Based on the service request information, sets of computing device nodes are identified, each set of computing device nodes includes computing device nodes invoked simultaneously or sequentially by one of the users. Communities are further identified based on a probability measure that is a measure of a probability of co-occurrence of two sets of computing device nodes. Each community has sets of computing device nodes each having the probability measure over a probability threshold in relation to at least one other set of computing device nodes in the community. Solutions are predicted for provision of services of the sets of computing device nodes of the communities. Each predicted solution for provision of services relates to a community and is determined based on shared knowledge of predicted solutions for provision of services relating to other communities.
In an example, there is disclosed a system and method for providing a service-oriented architecture, including request/response, over a publish/subscribe framework. In one embodiment, a system is disclosed for adding layers upon a publish/subscribe messaging framework for sophisticated messaging such as point-to-point (request/response) and the ability to query for available services, in a reliable, scalable manner.
An industrial device data access adapter allows migration of operational technology (OT) data to a cloud platform to be executed and managed using the same cloud infrastructure used to manage migration of information technology (IT) data. The adapter is designed to be installed and executed as a containerized module on an IoT edge system or device. The adapter interfaces with industrial devices to collect data using native OT data format and communication protocols, and leverages the existing software framework of the IoT edge system—including data broker services and module management services—to move this data to a cloud platform. Since the adapter is designed to interface with the native framework of the IoT edge system on which the adapter executes, the adapter can be managed using through the existing IoT infrastructure of the cloud provider.
A session management method and an apparatus, where the method includes: obtaining, by a session management function (SMF), a point-to-point protocol over Ethernet (PPPoE) message from a user equipment; assigning a PPPoE session identifier and/or an Internet Protocol (IP) address to the user equipment; and sending, by the SMF, the assigned PPPoE session identifier and/or IP address to the user equipment, to establish a PPPoE connection between the user equipment and a network side device. The method is performed after a packet data unit (PDU) session is successfully established. The SMF sends the PPPoE session identifier and/or the IP address to the user equipment. In this case, the user equipment can store a correspondence between the established PDU session and a PPPoE session, such that the user equipment accesses a 5G core network (CN) through a fixed network.
A network node may determine parameters of an authenticated client session for a client device, wherein the parameters comprise a network address of the client device. The network node may determine inactivity of the client device in the authenticated client session. The network node may generate, based on determining the inactivity of the client device, an address resolution protocol (ARP) message or a neighbor solicitation (NS) message to send to the client device, wherein the ARP message or the NS message is to trigger a response from the client device to indicate that the network address of the client device is in use. The network node may provide, toward the client device, the ARP message or the NS message. The network node may perform one or more actions based on receiving or not receiving the response, from the client device, to the ARP message or the NS message.
An apparatus includes a network interface and a processing unit. The network interface receives a device registration request identifying an identity of a client device, an Internet address of the client device, and a physical location of the client device. The processing unit determines an identity of at least one sensor of the client device, at least in part based on the identity of the client device. The network interface transmits, to an Internet address of a server, the identity of the client device, the physical location of the client device, and the identity of the at least one sensor of the client device. The network interface receives data from the at least one sensor of the client device.
A system comprising one or more computing devices implements a vehicle information extraction service. The vehicle information extraction service enables customers to optimize an amount of relevant vehicle sensor information extracted from vehicles by reducing instances of collection of redundant data. The vehicle information extraction service additionally, or alternatively, enables customers to maintain a model of a fleet of vehicles and determine number of the vehicles of the fleet in a certain partition to calculate a data reduction factor that will filter out sensor data. The vehicle information extraction service communicates the reduction factor to the vehicles in the geographical region using a vehicle scheme to indicate to the vehicles the probability with which the vehicle is to transmit a particular type of sensor data.
A topology-aware load balancing method includes: acquiring load balancing configuration information, determining, based on the configuration information, whether a plurality of backend service endpoints for load balancing are located on different nodes; in response to the backend service endpoints for load balancing being located on different nodes, for each node, regularly issuing a command for polling the backend service endpoints on the node, acquiring topology information of the different nodes, as well as health statuses and a link quality of the backend service endpoints; calculating priorities of the backend service endpoints based on the topology information, the health statuses and the link quality, configuring a service response endpoint for load balancing based on the priorities; in response to at least one of the topology information, the health statuses and the link quality being changed, recalculating priorities of the backend service endpoints, adjusting the service response endpoint based on the priorities.
A network-accessible service provides an enterprise with a view of all identity and data activity in the enterprise's cloud accounts. The service enables distinct cloud provider management models to be normalized with centralized analytics and views across large numbers of cloud accounts. The service enables an enterprise to model all activity and relationships across cloud vendors, accounts and third party stores. Display views of this information preferably can pivot on cloud provider, country, cloud accounts, application or data store. Using a domain-specific query language, the system enables rapid interrogation of a complete and centralized data model of all data and identity relationships. User reports may be generated showing all privileges and data to which a particular identity has access. Similarly, data reports shown all entities having access to an asset can be generated. Using the display views, a user can pivot all functions across teams, applications and data, geography, provider and compliance mandates, and the like.
Some embodiments include systems and methods for establishing incident communications networks. The system can include an incident controller, a communications resource database that stores communications resources information, and a marshalling rules module that stores a set of marshalling rules. The incident controller can use a marshalling rule to identify and select the communications resources to be marshaled into the incident communications network based on an incident trigger. Upon receipt of an incident trigger, the incident controller is configured to establish the incident communications network by obtaining a marshalling rule based on the incident trigger. The incident controller marshals communications resources based on the marshalling rule and the communications resources determined to be available. Information sources can either provide an incident trigger (e.g., a hurricane warning) or provide data to be analyzed to determine an incident trigger. In some embodiments, an incident communications network includes one or more mobile interoperability workstation.
One disclosure of the present specification provides a method by which a network node performs communication related to an MA PDU session. The method may comprise the steps of: receiving, from a UE, a SIP registration message including MA PDU session information; receiving, from another network node, a SIP message related to an IMS service for the MA PDU session; and transmitting, to a PCF node, information on whether the SIP message is related to a PS Data Off exempt service, on the basis of the reception of the MA PDU session information.
The disclosure is directed towards controlling the persistency of information provided to a service worker. A method includes receiving a response that includes response data. The response is received at a security service and was transmitted by a second computing device in response to receiving an information request from a first computing device. The first computing device implements a service worker. Sensitive data included in the response data is identified. The response includes caching instructions that instruct the service worker to cache the sensitive data at the first computing device. In response to identifying the sensitive data, the caching instructions are updated such that any portion of the response data that the updated caching instructions instruct the service worker to cache at the first computing device excludes the sensitive data. The updated response is transmitted to the first computing device and includes the response data and the updated caching instructions.
In an embodiment, a method for secure messaging integration with message apps includes identifying a trigger event within a default messaging channel established between a message aggregator and a messaging application executing at a client device. In response to the trigger event, the method sends to the client device over the default messaging channel, access data usable to access a secure channel established between the message aggregator and the client device. The access data is presented within the messaging application and communications over the secure channel are not visible to the default messaging channel.
A session configuration method and a session configuration apparatus are disclosed. According to the session configuration method, a terminal device sends, to a session management network element, a session establishment request used to request to establish a first session. After receiving the session establishment request, the session management network element sends redundant transmission security information to an access network device. After receiving the redundant transmission security information, the access network device sends the redundant transmission security information to the terminal device. The redundant transmission security information is used to indicate security keys and security policies of the first session and a second session that need to be established by the terminal device. The second session is a redundant session of the first session.
The present embodiments relate to identifying and mitigating memory bit flips in a cloud infrastructure service. The cloud infrastructure service can provide a monitoring system to monitor low level memory space to detect bit flips by the DRAM instances in the cloud infrastructure service. The bit flips detected in various DRAM computing instances can be processed to verify that the bit flips are sustained (e.g., and possibly relating to a Rowhammer attack) rather than transitory bit flips occurring in DRAM computing devices. Responsive to validating a set of bit flips at one or more computing instances, workloads associated with the affected computing instances can be migrated to other computing instances in the cloud infrastructure service.
A computer-implemented process, computer program product, and system for dynamic change of a password under a brute force attack. A computer processor determines a quantity of consecutive unsuccessful attempts to access the targeted item protected by a password. Responsive to the quantity of consecutive unsuccessful attempts to access the targeted item exceeding a predefined threshold, the computer processor acquires a new password for access to the targeted item, wherein the new password is based on a more complex set of password generation rules than a current password. The computer processor changing the current password of the targeted item to the new password, and in response to changing the current password of the targeted item to the new password, the computer processor sends an encrypted message regarding the new password to a user associated with the targeted item.
The present disclosure is related to a cyber-security system that includes a Supervisory Control and Data Acquisition (SCADA) network monitor configured to receive a data set from a power system network, an event manager, and a mitigation system, where the SCADA network monitor includes an anomaly detector.
Embodiments disclosed herein describe a server, for example a security awareness server or an artificial intelligence machine learning system that establishes a job score for a user based on the user's job title. In embodiments, the vulnerability of a user to malicious cybersecurity attacks, the propensity for the user to engage with a malicious attack, and the severity of a malicious attack likely to be sent to the user and the severity of the harm to the user's organization is the user engages with the malicious attack is represented in a user risk score. The risk score for a user of a security awareness system, or for a group of users of a security awareness system, may be calculated based on one or more of a frequency score for the user, a propensity score for the user, a severity score for the user, and a job score for the user.
A method, apparatus and product for assessing security threats from lateral movements and mitigation thereof. The method comprising statically analyzing the network to determine for each asset of a list of assets in a network, potential network lateral movements therefrom to other assets; dynamically analyzing the network to validate each potential network lateral movement identified by the static analysis; generating a graph of network lateral movements, wherein the graph comprises nodes and directed edges, wherein a node of the graph represents an asset of the list of assets, wherein a direct edge of the graph connecting a source node to a target node represents a validated network lateral movement from a source asset, represented by the source node, to a target asset, represented by the target node; and utilizing the graph of network lateral movements to assess security risk to the network.
A feature calculation unit calculates a feature of header information of a packet. A classification unit classifies the packet as a normal packet or an abnormal packet by using the calculated feature. An adding unit adds a label indicating a tool name of a known attack tool to header information of a packet attacked using the attack tool. A learning unit learns the addition of the label by using the label and the feature calculated for the packet to which the label has been added as teacher data.
A system, method, and computer-readable medium are disclosed for performing a security operation. The security operation includes monitoring a plurality of electronically-observable actions of a first entity, the plurality of electronically-observable actions of the first entity corresponding to a respective first plurality of events enacted by the first entity; monitoring a plurality of electronically-observable actions of a second entity, the plurality of electronically-observable actions of the second entity corresponding to a respective second plurality of events enacted by the second entity; determining whether a first event of the respective first plurality of events and a second event of the respective second plurality of events comprise an entity interaction between the first entity and the second entity; generating an entity interaction map, the entity interaction map providing a representation of the entity interaction between the first entity and the second entity; and, using the entity interaction map to perform a forensics analysis.
Various embodiments of the present application are directed towards systems and methods for hybrid blockchain control. According to some embodiments a method for hybrid blockchain control, an update to a distributed blockchain is received from a blockchain system. The blockchain system includes multiple nodes individually storing copies of the distributed blockchain and individually updating the copies by a consensus process. A determination is made as to whether the distributed blockchain has been fraudulently modified based on the received update. In response to determining the distributed blockchain has been fraudulently modified: 1) a corrective block is disseminated to the blockchain system to trigger the consensus process on the nodes; and 2) a predefined override in the consensus process is invoked to update the copies of the distributed blockchain in a manner that bypasses an illegitimate block. Further, the predefined override is invoked while the consensus process processes the corrective block.
A computer-implemented method is disclosed. The method includes: receiving, from a web server associated with a protected resource, a first signal including a request to validate a bearer token submitted by a client device to the web server, the bearer token including a digital signature; validating the bearer token, the validating including verifying the digital signature using a public key associated with an end user of the client device; and in response to validating the bearer token, sending to the web server a second signal including a notification that the bearer token is valid.
A method of tenant user management in cloud database operation can be implemented. The method can receive an original job request from a user for a database service, wherein the original job request can include a login credential of the user. The method can authenticate the login credential of the user by a scheduler, verify the user has privileges for the original job request by the scheduler, create a modified job request from the original job request by the scheduler based on a predefined role corresponding to the privileges of the user, send the modified job request from the scheduler to a database service platform, and allocate an instance of database service to the user in response to the modified job request.
The safety is improved when executing a transaction instructed after the login from a user having carried out the login operation to the server. A transaction system (101) includes a server (121), a first terminal (141), and a second terminal (161). A user logs-in the server (121) through the first terminal (141). The server (121) generates a notice to be transmitted to the second terminal (161) when receiving an instruction of a transaction through the first terminal (141) from a user. The first terminal (141) or the second terminal (161) prompts the user to input a confirmation of details of the transaction when the notice is transmitted to the second terminal (161) from the server (121). The server (121) regards the confirmation of the transaction made by the user as having been made when the input of the user matches with the details of the transaction.
Techniques for providing secure modification of manufacturer usage description (MUD) files based on device applications are provided. In one embodiment, a method for secure modification of MUD files may include obtaining a request for one or more applications from a device. The method also includes providing to the device the one or more applications and a certification that includes an updated MUD identifier determined based on the one or more applications requested. The updated MUD identifier is associated with a concatenated MUD file that comprises individual MUD file portions for each of the one or more applications requested. The device is configured to request an updated device identifier using the certification. The updated device identifier includes the updated MUD identifier that is associated with the concatenated MUD file.
In some implementations, a device may receive a notification to authenticate a user associated with a user account of an application server. The device may send, to the user device, an authentication request that prompts the user to provide a contextual description of an operation associated with the user account. The device may receive, from the user device, an authentication response that includes a described characteristic of the operation that is associated with a parameter of the operation. The device may determine whether the authentication response is valid based on a comparison of the described characteristic of the operation and the parameter of the operation. The device may cause, based on a determination that the authentication response is valid, performance of the operation based on the parameter.
In some embodiments, reducing network traffic related to network operations may be facilitated. In some embodiments, information for an operation comprising a message to authenticate the operation may be received from a client device. A machine learning model trained on information regarding a plurality of historical operation and corresponding execution result may be obtained, where the plurality of historical operations were executed on a client device of a same type as the client device. Using the machine learning model, the information for the operation may be processed to predict an execution result for authenticating the operation. The execution result may be transmitted to the client device to prevent execution of the operation in response to the execution result indicating that authenticating the operation will be unsuccessful.
Disclosed are various examples for enrollment of gateways using a client device. In one example, a request is transmitted from a client device to a management service. The request comprises the gateway identifier. Gateway credentials are relayed through the client device from the management service to the gateway device. The gateway credentials are unexposed to users of the client device.
A method and apparatus for generating and using secure sharded onboarding user interfaces are described. The method may include determining, based on account type of a merchant account being onboarded for a merchant by a first user, that information for a user type associated with a second user associated with the merchant is to be collected to satisfy minimum merchant account compliance requirements. The method may also include allocating a person object in an accounts data store maintained by the commerce platform system, the person object associated in the accounts data store with the merchant account. Furthermore, the method can include generating a secure link and transmitting the secure link to the second user, the secure link resolving at the commerce platform system and comprising a unique identifier that is associated with the person object. In response to receiving selection of the secure link by the second user, the method includes generating a secure application programming interface (API) based graphical user interface to collect account information for the person object associated with the unique identifier.
A system and method for pairing two devices for secure communications. A user selects a first device to pair with a second device. The first and second devices have the ability to securely communicate with each other through the use of encrypted communications. An encryption key is written to the first device and then burned into the encryption module on the first device. A corresponding decryption key is written to the second device and then is burned into the decryption module of the second device.
An encoding method for enabling privacy-preserving aggregation of private data can include obtaining private data including a private value, determining a probabilistic status defining one of a first condition and a second condition, producing a multiset including a plurality of multiset values, and providing the multiset for aggregation with a plurality of additional multisets respectively generated for a plurality of additional private values. In response to the probabilistic status having the first condition, the plurality of multiset values is based at least in part on the private value, and in response to the probabilistic status having the second condition, the plurality of multiset values is a noise message. The noise message is produced based at least in part on a noise distribution that comprises a discretization of a continuous unimodal distribution supported on a range from zero to a number of multiset values included in the plurality of multiset values.
A computer-implemented method for building socket transferring between containers in cloud-native environments by using kernel tracing techniques is provided including probing a connection-relevant system call event by using an eBPF to collect and filter data at a router, creating a mirror call at a host namespace with a dummy server and dummy client by creating the dummy server with mirror listening parameters, sending a server host address mapping to overlay the server host address to the client coordinator in an overlay process, and creating and connecting the dummy client to return a client host address to the server coordinator. The method further includes transferring mirror connections to the overlay process via a forwarder by temporary namespaces entering and injecting socket system calls and probing a transfer call event to map an overlay socket with a transferred dummy socket to activate duplication when the overlay socket is not locked.
A validation device in a communication network is configured to communicate control information bidirectionally via a control plane of the network and access message data via a production plane of the network. The validation device receives key data via the control plane, and accesses a message received via the production plane by a message receiving device. The message includes a signature derived from the first key data. The validation device uses the first key data to check validity of the signature.
A network includes at least two nodes that employ a routing protocol to communicate across a network. One of the nodes is a parent node and another of the nodes is a child node of the parent node. An address generator assigns a unique network address to the child node by appending an address value of a number of bits to a parent address of the parent node to create the unique network address for the child node.
A method includes displaying a plurality of group-based communication channels in an interface associated with a first user of a group-communication platform; receiving a request from the first user to share a selected set of the group-based communication channels with at least a second user of the group-based communication platform; displaying to at least the second user an indication of at least one group-based communication channel of the selected set of group-based communication channels and an affordance to add the at least one group-based communication channel of the selected set of group-based communication channels; in response to receiving an actuation of the affordance by the second user, adding the at least one group-based communication channel to an interface associated with the second user; and updating display of the interface associated with the second user to include the at least one group-based communication channel.
Changes on a chat client, such as one or more edits or retractions, and is characterized relative to an original chat string, and uploaded to a chat server for storage. The chat server combines the message change with at least a second change to the specific chat string uploaded from a different chat client. Responsive to a regeneration of the chat string on the chat client, the chat daemon downloads the combined message change from the chat server. The edits and retractions originating from the chat client and the edits and retractions originating from the second chat client are downloaded and applied to the specific chat string for display in the chat client.
A system for delivering notification messages across different notification media comprises a processor. A processor is configured to provide an indication of a new platform notification channel to one or more platform notification services. The indication is provided to one of the one or more platform notification services through a communication module specific to the one of the one or more platform notification services. The processor is configured to create a mapping from a new universal notification channel to a set of one or more platform notification channel identifiers. Each platform notification channel identifier of the set of platform notification channel identifiers is received from a platform notification service. The processor is configured to provide the set of one or more platform notification channel identifiers to a content provider of the new universal notification channel. The processor is coupled to the memory and is configured to store instructions.
Systems and methods are provided for deleting messages. The systems and methods include operations for: establishing, by a computing device, a communication session between a plurality of users; receiving a plurality of messages in the communication session; determining that a first message of the plurality of messages has been read by a first user of the plurality of users at a read time; in response to determining that the first message has been read by the first user at the read time, automatically associating the read time with a second of the plurality of messages that precedes the first message in the communication session; and automatically deleting the first and second messages in response to determining that an elapsed time measured from the read time associated with the first and second messages corresponds to a threshold time period.
Aspects of the subject disclosure may include, for example, performing dynamic beam selection and coordination to support space division multiplexing (SDM) and Full Duplex operation for integrated access and backhaul (IAB) in 5G new radio (NR) networks. The subject disclosure further describes how an IAB node and a serving parent node can coordinate beams used for access and backhaul links dynamically with over-the-air signaling. Other embodiments are described in the subject disclosure.
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
Disclosed is a method of configuring a positioning reference signal in a telecommunication system, comprising the step of distributing a plurality of positioning reference signal on a per-slot, per-mini slot or per-subframe basis. Also disclosed is a method of using a User Equipment, UE, in a telecommunications network, comprising the steps of configuring the simultaneous use of TD-OCC DMRS and PTRS in at least one of uplink and downlink.
A method includes generating a payload container information element comprising two or more payload entries at user equipment in a communication system, and sending the payload container information element from the user equipment to at least one network element in the communication system. Another method includes receiving a payload container information element comprising two or more payload entries at a network function in a communication system from user equipment in the communication system, and decoding the two or more payload entries of the payload container information element into two or more individual payloads at the network function.
Systems and methods are described for selecting User Equipment(s) (UEs) for pairing in a cellular network. A channel orthogonality of one or more UEs located within a radio range of a first Access Node (AN) may be determined. The one or more UEs may be prioritized for Uplink (UL) Multi-User Multiple-Input-Multiple-Output (MU-MIMO) pairing when a channel orthogonality meets a set channel orthogonality condition. A second AN located within the radio range of the first AN may be detected. At least one of the prioritized UEs located within a radio range of the second AN may be selected for de-prioritization. The prioritized UEs may be paired to share a same set of resource blocks.
A sidelink information transmission method, a communications device, and a network device, the method including sending, by a network device, first indication information to a device, the first indication information indicating a first resource that is a resource set used to transmit sidelink information, where the first indication information is used to obtain a correspondence satisfied by a time-domain resource and a frequency-domain resource of a resource that is in the first resource and that is used to transmit the sidelink control information, and sending, to the device, control information indicating a second resource belonging to the first resource, and having a third resource used to send the sidelink control information to a second communications device and satisfying the correspondence, and having a fourth resource used by the device to send the sidelink data to a second device based on the sidelink control information.
PCIe devices installed in host computers communicating with service nodes can provide virtualized NVMe over fabric services. A workload on the host computer can submit an SQE on a NVMe SQ. The PCI device can read the SQE to obtain a command identifier, an OpCode, and a namespace identifier (NSID). The SQE can be used to produce a LTP packet that includes the opcode, the NSID, and a request identifier. The LTP packet can be sent to the service node, which may access a SAN in accordance with the opcode and NSID, and can respond to the LTP with a second LTP that includes the request identifier and a status indicator. The PCI device can use the status indicator and the request identifier to produce a CQE that is placed on a NVMe CQ associated with the SQ.
In a message transmission method, an access controller receives a first message from an access node, and the first message includes a first identifier. The access controller obtains a line identifier according to the first identifier. The access controller obtains a second message according to the line identifier, and the second message includes the line identifier. The access controller sends the second message to a relay server.
Effectively allocating computing resources to end-users is provided. A system can identify mapping groups comprising a first mapping group that maps first users to corresponding first machines having a first hardware configuration, and a second mapping group that maps second users to corresponding second machines having a second hardware configuration. The system can determine a first metric indicating computing resource utilization of a first machine of the first machines when executing one or more sessions of a first user in the first mapping group, and a second metric indicating computing capacity of the second machines. The system can re-map the first user from the first mapping group to the second mapping group to cause sessions of the first user to execute on a second machine of the second machines.
One or more computing devices, systems, and/or methods for latency evaluation and management resolution are provided. A fingerprint for traffic flow over a communication network from an application executing on a device to a multi-access edge (MEC) server instance hosted by a MEC platform may be identified. The fingerprint may be used to track the traffic flow between the application and the MEC server in order to measure round trip time latencies of the traffic flow. In response to a round trip time latency violating a latency management policy, segment latencies along segments of a communication travel path of the traffic flow from the device to the MEC platform may be measured. A management resolution function may be performed based upon one or more of the segment latencies exceeding a threshold.
In an embodiment, a computer-implemented method for using virtual tunnel interface teaming to achieve load balance and redundancy in virtual private networks (“VPNs”) is disclosed. In an embodiment, a method comprises: receiving, by a gateway, configuration data from a control plane; based on the configuration data, configuring on the gateway a bonded virtual tunnel interface (“bonded VTI”) having a plurality of slave virtual tunnel interfaces (“slave VTIs”); configuring a plurality of VPN tunnels between the plurality of slave VTIs configured on the gateway and a plurality of slave VTIs configured on a remote gateway; configuring an IPsec VPN tunnel between the bonded VTI configured on the gateway and a corresponding bonded VTI configured on the remote gateway; logically combining the plurality of VPN tunnels into the IPsec VPN tunnel; and enabling communications of IPsec VPN traffic via the IPsec VPN tunnel.
A method, computer program product, and computer system for splitting, by a computing device, a plurality of physical Ethernet ports into at least two logical devices, wherein the at least two logical devices may have different media access control (MAC) addresses. A first device of the at least two logical devices may be used in an independent mode. A second device of the at least two logical devices may be used as a slave interface. A selective bypass schema may be executed for traffic on the plurality of physical Ethernet ports.
There is provided a transmission apparatus that transmits information generated by an information source and divided for each block to a transmission path in units of frames including a plurality of the blocks, including: a transmission unit that stops the transmission of information to the transmission path or transmits toggle data to the transmission path in one of several blocks in the frame where an amount of information to be transmitted is less than a transmission capacity of the transmission path, the toggle data having a cycle of transition of information longer than that of information in a block other than the one block in the frame.
Systems and methods include receiving network communication information about hosts in a network and applications executed on the hosts; automatically generating one or more microsegments in the network based on analysis of the obtained network communication information, wherein each microsegment of the one or more microsegments is a grouping of resources including the hosts and the applications executed on the hosts that have rules for network communication; and providing the one or more microsegments to one or more hosts of the hosts, for use by the one or more hosts to allow or block communications locally based on the one or more microsegments. Each of the one or more microsegments can be a grouping of workloads inside a data center.
Embodiments herein relate to, e.g., a method performed by a user equipment, UE, for handling signal measurements. The UE determines whether one or more conditions are fulfilled for indicating that a radio condition is below a certain level. In response to determining that one or more conditions are fulfilled and thereby indicating the radio condition is below a threshold, the UE transmits a report with restricted content.
An estimation method includes: generating information regarding success or not success in a connectivity checking test between “N” nodes in a case in which a failure occurs in a verification target path including the nodes, the information being generated as pattern information for each failure location; selecting “M” network devices from among a plurality of network devices in accordance with occurrence of the failure; executing the connectivity checking test between the selected network devices; comparing a checking result of the connectivity checking test with pattern information that satisfies “N=M” in the pattern information; and estimating the failure location in the service path based on the failure location associated with the pattern information in a case in which the pattern information that satisfies “N=M” matches the checking result.
Communications services are provided to a device. For instance, where a communications resource is being used by a device via a first communications service provider (CSP) component associated with a first CSP, based on a probabilistic analysis of loading parameters received from a device at the first CSP component. A likelihood that the device will move can be predicted, comprising determining the likelihood is not less than a threshold likelihood. If likely to move, and based on the loading parameters, a loading profile associated with a user of the device is updated resulting in updated likelihoods of usages of the communication resource by the device via respective other CSP components other than the first CSP component. Further, based on the updated likelihoods of usages of the communication resource, at least part of the communications resource can be allocated to the respective other CSP components to facilitate communications with the device.
A circuit system includes an analog-to-digital converter circuit, a digital-to-analog converter circuit coupled to the analog-to-digital converter circuit, and a variable latency circuit coupled to a data path that includes the digital-to-analog converter circuit. The variable latency circuit generates a deterministic latency in an output signal that is based on a measured latency of the data path.
A method for vendor-agnostic processing of data for monitoring a real-time operational status of a telecommunications network includes routing cell site status indications from a broker node to an in-memory processing engine. The cell site status indications are based on parameter data. A first application of the in-memory processing engine generates unique identifiers that associate each cell site status indication to a particular cell site identification code and generate feedback for the broker node including modified cell site status indications including the unique identifiers. The broker node forwards the modified cell site status indications to a second application of the in-memory processing. The second application processes the modified broker messages to extract the second parameter data from the modified cell site status indications. The in-memory processing engine generates a dataset including the second parameter data associated with the unique identifiers by the in-memory processing engine.
Systems, methods, and computer-readable media for managing compromised sensors in multi-tiered virtualized environments. In some embodiments, a system can receive, from a first capturing agent deployed in a virtualization layer of a first device, data reports generated based on traffic captured by the first capturing agent. The system can also receive, from a second capturing agent deployed in a hardware layer of a second device, data reports generated based on traffic captured by the second capturing agent. Based on the data reports, the system can determine characteristics of the traffic captured by the first capturing agent and the second capturing agent. The system can then compare the characteristics to determine a multi-layer difference in traffic characteristics. Based on the multi-layer difference in traffic characteristics, the system can determine that the first capturing agent or the second capturing agent is in a faulty state.
An example method can include choosing a pattern or patterns of network traffic. This pattern can be representative of a certain type of traffic such as an attack. The pattern can be associated with various components of a network and can describe expected behavior of these various components. A system performing this method can then choose a nodes or nodes to generate traffic according to the pattern and send an instruction accordingly. After this synthetic traffic is generated, the system can compare the behavior of the components with the expected behavior. An alert can then be created to notify an administrator or otherwise remedy any problems.
An apparatus in a mobile communication network combines information from monitoring IP flows carrying latency sensitive content passing the apparatus and information about the application behavior and target Quality of Experience (QoE) or target connectivity characteristics such as Quality of Service (QoS) from the application to provide ongoing predictions of QoE/QoS. In some cases, the apparatus exploits a probe on a device to generate traffic for learning flow characteristics not obtained from monitoring application IP flows in the network. Embodiments disclosed herein can be used to predict quality metrics for many applications where jitter/latency is a factor affecting perceived quality, such as QoE for a human consumer or QoS for machine type communications. The embodiments are applicable to the analysis of traffic carrying conversational speech.
Systems and methods may provide for confirming, by a loader module having administrative rights with respect to a computing device, the operability of an activator module on the computing device. Additionally, the activator module may be used to manage an installation status of one or more service agents or software components on the computing device and making them persistent. In one example, confirming the operability of the activator module includes conducting a presence verification and/or authentication of the activator module, wherein a replacement activator module may be downloaded to the computing device if the presence verification and/or authentication is unsuccessful.
Described herein are systems and techniques to facilitate rapid and effective notification of issues that may affect services and applications configured at a cloud-based system. A service monitoring system may be queried regularly for status data for services operating in a cloud-based system. The service status data received in response may be compared to previously stored service status data to identify new and changed issues. Based on the types of issues identified, urgent and/or non-urgent notifications may be generated and transmitted to the users associated with the affected service and/or other parameters using multiple communications channels. Responsive failover actions may also be implemented based on the detected issue and the impacted service.
In a computing environment, a set of executing processes each having associated resources are provided. Aggregate resources for the computing environment include multiple different types of resources. A utilization level for each of the resources within the computing environment is evaluated to determine an unconsumed capacity for each of the resources below a utilization threshold. The utilization threshold is resource-dependent. An indication of at least a portion of unconsumed capacity for each of the resources below the utilization threshold is gathered. The unconsumed portion for each of the resources below the utilization threshold is exposed for consumption by other executing processes.
Embodiments of a device and method are disclosed. In an embodiment, a method for automatically building an internet protocol (IP) network involves at a first network element, obtaining a first IP address from a Dynamic Host Configuration Protocol (DHCP) server, at the first network element, receiving a DHCP request from a second network element on an unnumbered interface of the first network element, and at the first network element, forwarding the DHCP request from the second network element to the DHCP server using the first IP address as a relay IP address.
Systems, computer program products, and methods are described herein for end-to-end automation of network infrastructure development changes. The present disclosure is configured to collect and archive data comprising feature logs, resource logs, and events in a central historical data storage. This data is subsequently normalized and events are correlated to specific features. This correlation involves locating differences in pre and post-deployment feature performance, which includes resource utilization, and maintaining a history of the analyzed data in the central historical data storage.
In a forwarding fault location determining method, a controller receives a plurality of table search statistical results of a plurality of forwarding tables for a first service from one or more forwarders. The plurality of forwarding tables include a first forwarding table and a second forwarding table, and the first forwarding table is prior to the second forwarding table in terms of a search sequence. Subsequently, the controller determines that table search behavior of the first forwarding table for the first service is normal and table search behavior of the second forwarding table for the first service is abnormal. The controller determines, based on the determining result, that the second forwarding table is a faulty forwarding table for the first service.
In one aspect, a method useful for implementing high availability (HA) enhancements to a computer network, comprising the steps of: providing a first edge device of a local area network (LAN); providing a second edge device of the LAN; providing a gateway system to the LAN from a wide area network; detecting that an HA cable between the first edge device and the second edge device is disconnected; establishing a network connection between the gateway system and the second edge device; with the gateway system: determining that the first edge device is active and passing network traffic, implementing a network tunneling protocol with second edge device.
The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The system may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and apparatus for inserting an index into a code block as a unit in which a channel code is executed and transmitting the same.
Embodiments of the present disclosure relate to a communication system to generate a waveform by multiplexing multiple user data. The system comprises at least one transceiver, a multiplexer and a processor. The at least one transceiver configured to perform at least one of receiving a plurality of data from a transmitter, and transmitting a generated waveform to a destination. The multiplexer configured to multiplex a plurality of data associated with a plurality of users, to generate multiplexed data. The processor is configured to perform a rotation operation on the multiplexed data to produce a rotated data. Also, the processor is configured to transform the rotated data using Fourier transform to produce transformed data. Further, the processor is configured to map the transformed data using a predefined number of subcarriers to produce a mapped data sequence and thereafter, process the mapped data sequence to generate the waveform.
A transmission method includes mapping processing, phase change processing, and transmission processing. In the mapping processing, a plurality of first modulation signals and a plurality of second modulation signals are generated using a first mapping scheme, and a plurality of third modulation signals and a plurality of fourth modulation signals are generated using a second mapping scheme. In the phase change processing, a phase change is performed on the plurality of second modulation signals and the plurality of fourth modulation signals using all N kinds of phases. In the transmission processing, the first modulation signals and the second modulation signals are respectively transmitted at a same frequency and a same time from different antennas, and the third modulation signals and the fourth modulation signals are respectively transmitted at a same frequency and a same time from the different antennas.
Disclosed are methods for detecting misconfigured VLANs. In some embodiments, traffic on a VLAN across multiple access points is categorized. Traffic on the VLAN at a single access point is then also categorized. The categorization of the VLAN traffic at the single access point can be in response to, for example, communication errors or other conditions. The two categorizations are then compared to determine if the VLAN traffic at the AP is consistent with the VLAN traffic across a network (e.g., an enterprise network). If the VLAN traffic at the AP is generally consistent with that across the network, this may indicate that a downstream network component, such as a switch or router, is misconfigured. Thus, some embodiments programmatically reconfigure the downstream component to forward traffic for the VLAN.
Disclosed by the present application are a configuration for duplication transmission and a duplication transmission method and device, comprising: determining each radio bearer of a terminal; and carrying out duplication transmission configuration for each radio bearer. The terminal receives the configuration for duplication transmission carried out at a network side and carries out duplication transmission according to the configuration. By employing the present application, duplication transmission may be applied flexibly for different bearer characteristics, high reliability provided by duplication transmission may be obtained, the utilization efficiency of radio resources may be increased, and resource waste is avoided. Meanwhile, air interface control signaling overhead is reduced.
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A downlink transmission method performed by user equipment and user equipment are provided. The downlink transmission method performed by the user equipment includes: receiving a predefined downlink signal in a predefined downlink resource, and performing ACK feedback according to the received downlink signal, thereby implementing the performing of downlink data transmission in an RRC idling or inactive state, or establishing RRC connection more rapidly.
The present disclosure is directed to a transmitting apparatus, a receiving apparatus and communication methods. The transmitting apparatus includes: a receiver, operative to receive, from a base station, first control information for sidelink communication between the transmitting apparatus and a receiving apparatus; and a transmitter, operative to transmit a physical sidelink shared channel to the receiving apparatus according to the first control information. The transmitter is operative not to transmit a first physical sidelink control channel to the receiving apparatus, or the transmitter is operative to transmit the first physical sidelink control channel with second control information to the receiving apparatus.
Presented are a method by which a multi-RU receives a LDPC-tone-mapped PPDU in a wireless LAN system, and an apparatus. Particularly, a reception STA receives, from a transmission STA, a PPDU including a data field and decodes the data field. The data field is received through the multi-RU. LDPC tone mapping for data tone included in the data field is performed on the basis of a first parameter with respect to the multi-RU. The first parameter is 18 when the multi-RU is an RU in which the 242 tone RU and the 484 tone RU are aggregated.
A method, a device and a computer readable media for communication are disclosed. The method (200) comprises determining, based on a target error rate between a first device and a second device, a code rate for transmitting data from the second device to the first device (210). The method also comprises adjusting the code rate based on an amount of the data and an amount of resource available for transmitting the data (220). The method further comprises updating the target error rate for transmitting subsequent data from the second device to the first device based on an amount of the adjustment of the code rate (230). An improved link adaption scheme and improve uplink/downlink transmission performance of the communication system are provided.
A range is determined between two unsynchronized communications terminals in which a first terminal transmits a range request to a second terminal. The first terminal stores a first timestamp in memory corresponding to a time at which the range request message was transmitted. A range response is later received by the first terminal from the second terminal. The range response includes a residence time that characterizes an amount of time the second terminal required to send the range response after receiving the range request. The first terminal later stores a second timestamp in memory corresponding to a time at which the range response was received. Based on the second timestamp minus the first timestamp and the residence time, a roundtrip time for the range request is calculated. This roundtrip time can be used to calculate a distance between the first terminal and the second terminal based on the roundtrip time.
In an aspect, a satellite-based non-terrestrial network configures multiple preconfigured uplink resources (PURs) for a user equipment (UE). The PURs may be configured one PUR per beam, one PUR per cell, or one PUR for multiple cells. A serving cell of the UE and one or more cells adjacent to the serving cell may each have an associated PUR. The UE selects one of the multiple PURs and sends a transmission using the selected PUR without the UE have a connection to the network. The network sends an ACK in response to the transmission. Either the UE or the network can specify that the UE is to transmit using a first PUR and receive the ACK on a second PUR. The UE can specify when and which PUR to use in the transmission and the network can specify when and which PUR to use in the ACK.
A facility operates with respect to a configuration of one or more unmanned aerial vehicles operating as relays between on or more wireless network participant devices and one or more wireless base stations being supported directly or indirectly by a planetary surface. The facility conducts an experiment that yields quality of service results and flight duration results for each of multiple values of a UAV control parameter. The facility selects a value of the UAV control parameter that produced an advantageous tradeoff of quality of service results and flight duration results, and stores the selected value, such that the stored value of the UAV control parameter is usable to operate the UAVs of the configuration in production service.
Provided are a beam recovery processing method, a beam recovery method, a base station and a terminal. The beam recovery processing method includes: determining, by a transmitting end, a configuration information set for instructing a receiving end to perform a beam recovery; and transmitting, by the transmitting end, the configuration information set to the receiving end.
Systems and methods related to partial beam correspondence may be used to address potential limitations of beamforming wireless networks. A user equipment electronic device and/or wireless network identifies a subset of available transmitter beams for the user equipment electronic device that are indicated as similar to a downlink reference signal received at the user equipment electronic device from a wireless network node. The user equipment electronic device sweeps the subset of available transmitter beams for communication with the wireless network node and uses a best beam from the sweep to communicate with the wireless network node.
Methods, systems, and devices for wireless communications are described. In some networks, a user equipment (UE) may switch between serving beams of a transmitting device that are associated with different bandwidth parts of a radio frequency spectrum. To improve aspects of beam measurement and selection, a UE may be configured to support various techniques for beam measurement according to the different bandwidth parts. For example, a UE may receive a beam measurement configuration associated with one or more beams, and may monitor for reference signals associated with the beams using the different bandwidth parts. The UE may determine a channel quality of one or more of the beams based on the monitoring, and transmit a beam measurement report to the network in accordance with the beam measurement configuration. In some examples, such a report may be transmitted based on the UE determining that an event condition is satisfied.
A system and method for selecting antenna panels for communicating with satellites. The receive panels directed towards a location in the sky where the satellite is expected to be. When the signal from the satellite is received by the panels, parameters of the signals are checked against a threshold. All the panels having the parameters above the threshold are grouped together as a receive group. The parameters of the signals at the receive groups are compared to determine the best receive panel, and the transmit panel associate with the receive panel is selected as the transmit panel.
Apparatuses, systems, and methods for multiplexing of PUCCH for beam failure recovery and other signals. A UE may determine a transmission dropping rule and a transmission power scaling rule for a PUCCH which is dedicatedly configured for secondary BFR transmission, such as a PUCCH-BFR, when it is multiplexed with BFR multiplexed with at least one other signal. The PUCCH-BFR and the at least one other signal may be multiplexed in a CC or in multiple CCs. The UE may determine a transmission dropping rule, e.g., so that UE can transmit an uplink signals with higher priority and drop the other uplink signal with lower priority to avoid beam collisions. The UE may determine a transmission power scaling rule, e.g., so the UE may scale transmission power within a CC and/or across CCs. The UE may multiplex the PUCCH-BFR with the at least one other signal according to the rules.
Example wireless communications methods and apparatus with two-way beam failure recovery are disclosed. One example method includes receiving a downlink beam failure recovery request by a network device from a client device indicating at least one new downlink candidate beam determined to replace at least one failed downlink beam. The network device detects at least one failed uplink beam, determines at least one new uplink candidate beam to replace the detected at least one failed uplink beam, and generates uplink redirection information indicating the determined at least one new uplink candidate beam. A response including the generated uplink redirection information is generated by the network device, and transmitted to the client device.
The present disclosure relates to methods and apparatuses (UE, network node or gNB) for CSI reporting. The method performed by a UE comprises: receiving from the gNB, a radio signal via a MIMO channel, wherein the radio signal contains at least one DL-RS according to a DL-RS configuration; estimating said MIMO channel based on said received at least one DL reference signal for configured subbands; calculating a precoder matrix or a CSI matrix for a number of antenna ports of the gNB and configured subbands; the precoder matrix based on a first codebook and on a second codebook and a set of combining coefficients for complex scaling/combining one or more of vectors selected from the first codebook and the second codebook; and reporting, to the gNB, a CSI feedback report and/or a PMI/RI, used to indicate the precoder matrix or the CSI matrix for the configured antenna ports and subbands.
One embodiment is directed to determining a composite precoder for transmitting to a UE using a group of one or more of the radio units by doing the following: for each of a plurality of subsets of the radio units, transmitting separate reference signals from the different antennas of only the radio units included in that subset; receiving subset-specific preferred precoder index reports from the UE for at least each individual radio unit included in the group of one or more of the radio units; determining the composite precoder for the UE using the subset-specific preferred precoder index reports from the UE for at least the one or more radio units included in the group; and using the composite precoder for transmitting to the UE using the one or more radio units included in the group. In some embodiments, each of the subsets includes less than all of the radio units.
A multiple antenna system (MAS) with multiuser (MU) transmissions (“MU-MAS”) exploiting inter-cell multiplexing gain via spatial processing to increase capacity in wireless communications networks.
Allocating resources in a wireless network utilizing SU-MIMO and MU-MIMO modes of operation includes determining an increase in a resource usage of MU-MIMO wireless devices and responsive to the determining, reducing an allocation of resources for one or more SU-MIMO wireless devices. These operations may be performed based on determining that a load level associated with a serving access node rises to meet a threshold.
Methods are disclosed for improving communications on feedback transmission channels, in which there is a possibility of bit errors. The basic solutions to counter those errors are: proper design of the CSI vector quantizer indexing (i.e., the bit representation of centroid indices) in order to minimize impact of index errors, use of error detection techniques to expurgate the erroneous indices and use of other methods to recover correct indices.
The present disclosure relates to a method for feeding back reliable downlink channel state information from a receiver to a transmitter in a multi-user massive MIMO system based on a reconfigurable intelligent surface, and more particularly, to a method for the receiver to transform acquired downlink channel state information into downlink channel state information in an angle domain and compress the downlink channel state information through a compressed-sensing scheme, and then feed the compressed result back to the transmitter, and for the transmitter to acquire the reliable downlink channel state information through a recovery algorithm.
According to the present disclosure, the downlink channel state information is compressed according to a compression and recovery algorithm in an mmWave environment, and only a codeword index suitable for the compressed result is fed back to the transmitter to obtain the effect of reduction in feedback overhead in the entire communication system.
An electronic device includes an antenna module including an antenna array, a radio frequency integrated circuit (RFIC) connected with the antenna array and a flexible printed circuit board connected with the RFIC, a connector disposed on the flexible printed circuit board, a communication processor disposed on a first printed circuit board, a coaxial cable electrically connecting the flexible printed circuit board and the communication processor through the connector, and a second printed circuit board configured to electrically connect the communication processor and the flexible printed circuit board. The communication processor provides a data signal to be transmitted to an external electronic device to the RFIC along a first path in the flexible printed circuit board through the coaxial cable and the connector, and provide a control signal to the RFIC along a second path in the flexible printed circuit board through the second printed circuit board.
An object is to provide a communication system, a base station, and a communication method that can avoid a state in which an RF wireless communication cannot be started due to the quality of optical wireless communication.
In an optical communication system according to the present invention, a base station device repeatedly transmits an authentication information frame addressed to a terminal device at a predetermined cycle by the optical wireless communication, the frame including authentication information for connection to the terminal device by the RF wireless communication. Even if the terminal fails to acquire the authentication information at a certain timing due to the quality of optical wireless communication, the communication system has a mechanism that acquires the same authentication information at regular time intervals, so that terminal authentication processing can be performed at the time when the terminal acquires the authentication information.
Quantum satellite-based global networks are provided. A system as provided herein includes a processor and a memory that stores first executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising receiving qubits from a quantum sensor device via a quantum communication channel established between the system and the quantum sensor device; providing quantum input data, derived from the qubits, to a quantum machine learning model; and adjusting a property of a communication network based on an output of the quantum machine learning model, produced in response to the providing of the quantum input data, resulting in an increased performance of a mobile application utilizing resources enabled via the communication network.
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications network, and transmitting first information and second information to the second device. The first information is indicative of the data, and is transmitted using a first communications link of the optical communications network and using a first subset of optical subcarriers. The second information is indicative of the data, and is transmitted using a second communications link of the optical communications network and using a second subset of optical subcarriers. The first subset of optical subcarriers is different from the second subset of optical subcarriers.
An apparatus includes baseband processing circuitry configured to generate a baseband signal that is transmitted to a first network element and a second network element, and an optical power supply configured to generate a first optical signal and a second optical signal, transmit the first optical signal to the first network element, and transmit the second optical signal to the second network element. The first optical signal and the second optical signal include information that enables synchronization of the first and second network elements.
A method of identifying a fault in an optical link comprises continually storing samples of a signal that represents a power of an optical signal received over the optical link. When a fault is detected on said optical link, at least one stored series of samples of the signal is retrieved. The method then comprises performing a classification on the retrieved series of samples, in order to classify the series of samples as resulting from one of a plurality of predefined faults.
A method and system for providing sub-band whitening are herein provided. According to one embodiment, a method includes deriving an estimated noise plus interference variance (NIVar) based on at least one legacy-long training field (LLTF) symbol from an LLTF signal; and updating an interference whitening (IW) factor by using a sub-band NIVar.
A method and apparatus for cancelling an interference in a received signal. The apparatus may include a plurality of receivers and one or more transmitters. The first receiver is configured to process a received signal. The first receiver includes a mixer to down-convert the received signal using a first local oscillator signal having a first frequency. The received signal includes a wanted signal and an unwanted signal. The second receiver is configured to process the received signal and generate an interference reference signal. The second receiver includes a mixer to down-convert the received signal using a second local oscillator signal having a second frequency. The apparatus includes an interference canceller configured to cancel, in a digital domain, at least in part interference caused by non-linear characteristics of the first receive chain in a presence of the unwanted signal from the down-converted received signal by the first receive chain.
Disclosed herein is an improved electronic device enclosure and methods for manufacturing the same. One embodiment includes a front panel; a back panel with a patterned intrusion region to improve passive audio amplification; an electrically conductive front plate; an electrically conductive back plate with an open region configured to permit transmission of radiofrequency signals; wherein the front plate couples with the front panel, the back plate couples with the back panel, the front panel hingedly couples with the back panel, and the front plate and back plate are configured to enclose an electronic device; and the front plate is sized and dimensioned to block radiofrequency radiation from exiting the front panel of the electronic device enclosure.
Current Wireless transmission volume is such that techniques to compress transmitted data is the object of ongoing technical enhancements. The Invention consists of methods of using rapid changes in signal voltage to convey additional data which may be used for Data Compression, Encryption, and other purposes. They include varying amounts of change referred to as Encode Amplitude (EA) and Baseline Modulation (BM) using a change down to baseline voltage.
A memory controller for use in a data storage device is provided. A low-density parity check (LDPC) process performed by the memory controller includes an initial phase, a decoding phase, and an output phase. The memory controller includes a variable-node circuit and a check-node circuit. During the initial phase, the variable-node circuit performs the following steps: obtaining a channel value, that is read from a flash memory, from a channel-value memory; transmitting the channel value to the check-node circuit to calculate a syndrome; and in response to the syndrome not being 0, setting a value of a register corresponding to each entry of a plurality of entries in a variable-node memory, and entering the decoding phase.
A method includes receiving a selection signal from a third-party device and a status signal from the third-party device. A data signal from the third-party device is latched when both the selection signal and the status signal are active. In addition, a second selection signal and a second status signal can be received from a second third-party device and a second data signal latched when both the second selection signal and the second status signal are active.
Asynchronous circuit elements are described. Asynchronous circuit elements include a consensus element (c-element), completion tree, and validity tree. The c-element is implemented using adjustable threshold based multi-input capacitive circuitries. The completion tree comprises a plurality of c-elements organized in a tree formation. The validity tree comprises OR gates followed by c-elements. The multi-input capacitive circuitries include capacitive structures that may comprise linear dielectric, paraelectric dielectric, or ferroelectric dielectric. The capacitors can be planar or non-planar. The capacitors may be stacked vertically to reduce footprint of the various asynchronous circuitries.
In an embodiment, a method includes programming a control signal that specifies a target resistance and a target voltage in a circuit. The method further includes sending the control signal to at least one transistor configured to control a current flow in the circuit. The method further includes providing, as an output, a signal with the target voltage and target resistance.
A gate charge profiler for a power transistor may include a voltage comparator unit and a timer unit. An input signal may control a gate drive current input to a gate of the power transistor to control conduction between a drain and a source of the power transistor. The voltage comparator unit may be configured to compare an input voltage and a threshold voltage, and to output a comparison signal. The input voltage may be a drain-source voltage across the drain and the source of the power transistor or a gate-source voltage across the gate and the source of the power transistor. The timer unit may be configured to output a time value based on input of a transition of the input signal and input of the comparison signal.
There are disclosed acoustic filters and radios incorporating the acoustic filters. A filter includes a first filter port, a second filter port, and n sub-filters, where n is an integer greater than one. Each sub-filter has a first sub-filter port connected to the first filter port and a second sub-filter port connected to the second filter port. A first acoustic resonator is connected from the first filter port to ground, and a second acoustic resonator is connected from the second filter port to ground. The first and second acoustic resonators are configured to create respective transmission zeros adjacent to a lower edge of a passband of the filter.
A thin film bulk acoustic resonator and a method for manufacturing the same. The thin film bulk acoustic resonator comprises a bottom electrode layer, a piezoelectric layer, and a top electrode layer, which are disposed on a substrate in which an acoustic reflection structure is located, where a portion which is of the piezoelectric layer and corresponds to a boundary of the acoustic reflection structure is depolarized to form a depolarized portion. The method comprises providing a bottom electrode layer on a substrate to cover an acoustic reflection structure which is formed or to be formed on the substrate; providing a piezoelectric layer on the bottom electrode layer; depolarizing a portion, which is of the piezoelectric layer and corresponds to a boundary of the acoustic reflection structure, to form a depolarized portion; and providing a top electrode layer on the piezoelectric layer.
There are an amplifier circuit which includes a first current source that is connected to a power supply line to which a first electric potential is supplied, a differential input circuit that is connected between the first current source and a first node and configured to receive a differential input signal, a second current source that is connected between a power supply line to which a second electric potential is supplied and the first node, and a load circuit that is connected between a power supply line to which the first electric potential is supplied and a second node, and an inductor circuit is further connected between the first node and the second node. Thereby, the amplifier circuit achieves both lower voltage and linearity.
An amplifier circuit, which has a first output terminal and a second output terminal, includes a first charge-steering amplifier, a second charge-steering amplifier, a first switch, and a second switch. The first charge-steering amplifier includes a first input terminal, a second input terminal, a first capacitor, and a second capacitor, and is used for amplifying a first input signal in a first operation period. The second charge-steering amplifier includes a third input terminal, a fourth input terminal, the first capacitor, and the second capacitor, and is used for amplifying a second input signal in a second operation period. The first capacitor and the second capacitor charge during the first operation period and discharge during the second operation period.
A low power crystal oscillator circuit having a high power part and a low power part. Oscillation is initialized using the high power part. Once the crystal is under stable oscillation, the circuit switches to the low power part and continue operation for a long duration.
An oscillator circuit includes a total of N (N≥2) class-D oscillator circuits stacked together between a supply voltage node and a reference voltage node. The output ports of adjacent class-D oscillator circuits in the disclosed oscillator circuit are coupled together by capacitors to ensure frequency and phase synchronization for the frequency signals generated by the class-D oscillator circuits. Compared with a reference oscillator circuit formed of a single class-D oscillator circuit, the oscillation amplitude of each of the class-D oscillator circuits in the disclosed oscillator circuit is 1/N of that of the reference oscillator circuit, and the current consumption of the disclosed oscillator circuit is 1/N of that of the reference oscillator circuit.
An energy harvesting tape comprising a plurality of flexible layers. The plurality of flexible layers includes a solar cell layer configured to capture solar energy, a thermoelectric layer configured to capture thermal energy, one or more piezoelectric layers configured to capture mechanical energy; and an electrode layer configured to capture radiofrequency energy and to transmit a radiofrequency signal. The energy harvesting tape also includes one or more processing units on at least one of the plurality of flexible layers. The one or more processing units are configured to use the captured energy from the plurality of flexible layers to transmit the radiofrequency signal. The energy harvesting tape has a length, a width, and a thickness, where the length is greater than the width, and the width is greater than the thickness.
An apparatus includes first and second pluralities of switches, a controller for controlling these switches, gate-drivers for driving switches from the first plurality of switches, and first and second terminals configured for coupling to corresponding first and second external circuits at corresponding first and second voltages. During operation, the controller causes the first plurality of switches to transition between states. These transitions result in the second voltage being maintained at a value that is a multiple of the first voltage. The controller also causes the second plurality of switches to transition between states. These transitions resulting in capacitors being coupled or decoupled from the second voltage. The gate drivers derive, from the capacitors, charge for causing a voltage that enables switches from the first plurality of switches to be driven.
A method of measuring a load current provided to a load of a switching converter includes obtaining a first reference voltage defining a peak of an inductor current passing through an inductor of the switching converter, generating a pulse based on the first reference voltage and an on-time of at least one power switch of the switching converter, generating an output signal by filtering the pulse, and setting a second mode from a first mode when a value of the load current is less than a first threshold value based on the output signal. The generating of the pulse further includes generating the pulse having a width extended in proportion to the on-time in the second mode.
A functional module is provided. The functional module is applied to an electronic device, and includes a housing, a functional member, and a motor assembly. Both the functional member and the motor assembly are disposed in the housing. The motor assembly includes a motor and an output shaft. The motor is configured to drive the output shaft to rotate. The output shaft protrudes from one side of the housing.
According to one embodiment, a rotor includes a coil slot, a sub-slot, and coil airflow paths arranged in the rotor axial direction. At least one coil airflow path among the coil airflow paths includes a first wall surface disposed on a core central portion side of a cooling gas inlet portion of the coil airflow path, a second wall surface disposed on the core central portion side of an inside of the coil airflow path, and located more on the rotor radially outward side and more on a core end portion side than the first wall surface, and a third wall surface configured to connect the first wall surface and the second wall surface, the third wall surface including a surface perpendicular to a rotor radial direction.
This axial gap motor includes: a stator; and a rotor provided so as to be opposed to the stator in an axial direction. The rotor includes an annular rotor yoke, and a plurality of magnets provided to contact one surface of the rotor yoke so as to be arranged at predetermined intervals along a circumferential direction with magnetic poles thereof being different alternately. The one surface includes a plurality of facing areas facing and contacting the plurality of magnets, and a non-facing area not facing the plurality of magnets. The non-facing area includes partial areas each located between a pair of the facing areas adjacent to each other in the circumferential direction among the plurality of facing areas. The partial areas are formed to be recesses recessed in the axial direction relative to the facing areas.
The invention relates to a driver (100) for emergency lighting means (101), comprising output terminals (111a-b) for electrically supplying at least one emergency lighting means (101), and a test switch (103) for starting a test routine controlled by a controller (109) of the driver (100), wherein the driver (100) is settable to a commissioning mode if the test switch (103) is activated according to a predefined operation pattern defined by time durations and/or repetition criteria of the operation pattern.
A charging device includes a rectifier circuit which rectifies AC power output by an AC power supply, a DC-DC converter which converts a voltage of DC power output by the rectifier circuit, a charging circuit which includes a positive electrode contact point in contact with a positive electrode terminal of a mounted secondary battery and a first negative electrode contact point and a second negative electrode contact point in contact with a negative electrode terminal of the secondary battery, an output voltage from the DC-DC converter being applied between the positive electrode contact point and the first negative electrode contact point, and a control circuit which includes a photocoupler that is turned on by a difference in potential between the positive electrode contact point and the second negative electrode contact point and outputs an enable signal for the DC-DC converter when the photocoupler is on.
Example wireless charging systems and methods are disclosed. One example system includes a receive end and a transmit end. The receive end includes a receive coil, a receive end compensation circuit, a rectifier, and a controller. The controller adjusts a phase difference between a first bridge arm and a second bridge arm of the rectifier, and adjusts a phase-shift angle between a bridge arm voltage of the rectifier and a fundamental component of an input current of the rectifier, so that zero-voltage switching is implemented for controllable switching transistors of the rectifier. An inductance compensation module may weaken a capacitive part of the equivalent impedance, and reduce reactive power of the wireless charging system.
A power system (150) operable to implement a power balancing control scheme is provided. In one aspect, a power system (150) includes multiple independent power supplies (182A, 182B) with independent batteries (172A, 172B) feeding onto a common power bus (180). The power supplies (182A, 182B) regulate the voltage on the common power bus (180) at the same time. The power balancing control scheme, when implemented, causes the load on the common power bus (180) to be shared among the individual power supplies (182A, 182B) with a specified load distribution. The specified load distribution can be set or determined to balance the State of Charge (SoC) of the batteries (172A, 172B) over time whilst taking into account the constraints or limits of the elements (172A, 172B, 182A, 182B) of the power system (150).
The power transmitter (101) providing power to a power receiver (105) comprises a communicator (309) communicating with the power receiver (105) and a negotiator (305) negotiating a guaranteed power level with the power receiver (105) prior to a power transfer phase. The guaranteed power level is a minimum power level guaranteed by the power transmitter (101) throughout the power transfer phase. During the power transfer phase, a determiner (307) dynamically determines an available power level based on the prevailing operating parameters. The available power level is one that can currently be provided but is not guaranteed. The power controller (309) is arranged to, during the power transfer phase, increase the power level above the guaranteed minimum level in response to power control messages, and to reduce the power level regardless of the power control messages in response to a detection that the power level exceeds the available power level.
A control device includes a control portion that controls a power supply portion that supplies power to a load based on received power received by a power receiving portion from a power transmitting device. In the case where the power receiving portion, after receiving a signal having a first frequency and a first duty from the power transmitting device, receives a signal having a second frequency that is different from the first frequency or a signal having a second duty that is different from the first duty, the control portion specifies an issued command based on a length of a reception period of the signal having the second frequency or the signal having the second duty.
A power supplying device includes a power transmission circuit transmitting AC power and a power transmission resonance circuit including a power transmission coil. A power receiving device includes a power reception resonance circuit including a power reception coil. When a coupling coefficient between the power transmission coil and the power reception coil is a predetermined coupling coefficient, resonance of a first resonance mode having a first resonance frequency and a second resonance mode having a second resonance frequency are generated, a resonance frequency of the power transmission resonance circuit and the power reception resonance circuit is set to a value which is one of the first and second resonance frequencies, and the set value is a frequency deviating from a reference resonance frequency of the power transmission resonance circuit alone by a predetermined deviation frequency or more. A driving frequency of the AC power is set to the set value.
Disclosed herein is add-on electronic circuit structures and methods for providing protection against reverse-electrical-current failures and for enabling comprehensive electrical (current-voltage sweep) and electro-optical (electroluminescence or EL using reserve current flow) testing of solar photovoltaic cells and modules having at least one multi-modal maximum-power-point tracking (MPPT) power optimizer integrated circuit chip to increase electrical energy generation yield of the modules. Such multi-modal MPPT power optimizer chips are used for distributed solar electric power generation enhancement in solar photovoltaic cells, modules, and systems under realistic operating conditions with non-ideal manufacturing and environmental variations (e.g., variable and/or non-uniform sunlight or daylight, mismatched cells, etc.).
A system and method for estimation of grid impedance in a power converter controller is disclosed in which a current controller is provided to inject an injection current while operating online and coupled to a power grid at a point of common coupling (PCC), the injection current being benign to an operating current of the power converter. A voltage controller is provided to regulate input voltage of the power converter. An impedance module is provided to determine parameters for the injection current, including injection interval and duration, current magnitude, current frequency, and symmetrical components. The impedance module may extract measurements of current and voltage at the PCC at an operating point shifted from a previous operating point in response to the injection current. The impedance module may extract symmetrical components of current and voltage measurements, and compute estimated grid impedance based on the extracted symmetrical components.
Methods and apparatus are disclosed for battery current monitoring. An example apparatus includes a haptic device, an isolation switch to deliver power from a battery to the haptic device, an integrator to integrate a signal based on a current from the battery to the haptic device to generate an integrator output, and control logic to control the isolation switch based on a comparison of the integrator output to a threshold.
In particular, the invention relates to a system for regulating the temperature of a cable which is laid at least partly in a body of water and on land, said system including: means for collecting water on the land-side such that water can be collected into said means and can be dispensed out of said means; means for controlling a quantity of water such that a quantity of water flowing out of the means for collecting water on the land-side or flowing into said means from the body of water can be controlled; and means for cooling a cable, said means surrounding the cable in the form of a sleeve in at least one section of the means for collecting water on the land-side up to a body of water, wherein a cavity through which the water flows in order to cool the cable is formed between the cable and the means for cooling the cable. The invention additionally relates to the use of a system according to the invention.
An appliance includes a cabinet with a rear panel. The rear panel defines a recessed portion with an offset surface and an aperture defined on the offset surface. A power connector is disposed in the aperture. The power connector includes a cable engagement section configured to engage a power cable and a source engagement section opposing the cable engagement section. The source engagement section extends through the rear panel to engage a power receiver within the cabinet. A mounting flange is disposed between the cable engagement section and the source engagement section and operably couples to the offset surface. A cover is coupled to the rear panel over the recessed portion. The cover includes an outer rim and a body protruding outward from the outer rim. An opening is defined between a bottom section of the body and the rear panel through which the power cable is configured to extend.
Aspects herein are directed to an electrical system enclosure. The electrical system enclosure can include an electrical housing unit that includes one or more electrical components. The electrical system enclosure can further include a receptacle coupled to an outside surface associated with the electrical housing unit. The receptacle may be configured to engage a connector component of a cable. The electrical system enclosure can further include a contactor within the electrical housing unit. The contactor may be configured to energize based at least in part on the receptacle engaging the connector component. The electrical system enclosure may include an energy supply component configured to cause energy to be transmitted through the receptacle and the cable to a device outside of the electrical housing unit based on the contactor energizing.
An electrode tip assembly for a spark plug includes an electrode tip that is formed on an electrode base using an additive manufacturing process, such as a powder bed fusion technique, after which the electrode base is welded to an electrode body. The electrode base includes a welding side and an additive manufacturing side, and the electrode tip includes a plurality of laser deposition layers built on the additive manufacturing side of the electrode base.
A distributed Bragg reflector (DBR) structure on a substrate includes a high refractive index layer comprising titanium oxide (TiO2) and a low refractive index layer having a high carbon region and at least one low carbon region that contacts the high refractive index layer. Multiple layers of the high refractive index layer and the low refractive index layer are stacked. Typically, the multiple layers of the high refractive index layer and the low refractive index layer are stacked to a thickness of less than 10 microns. Each of the respective layers of the high refractive index layer and the low refractive index layer have a thickness of less than 0.2 microns.
A surface emitting laser element includes a first reflecting mirror; an active layer over the first reflecting mirror; a second reflecting mirror over the active layer; and a multilayer film over the second reflecting mirror. The multilayer film has a side surface including one film and inclined with respect to a principal surface of the second reflecting mirror. The multilayer film includes, in a thickness direction, two or more pairs of a first film having a first refractive index and a second film having a second refractive index higher than the first refractive index. The multilayer film has a center portion and a peripheral portion around the center portion in plan view in a direction perpendicular to the principal surface. The peripheral portion includes the side surface.
A narrow linewidth laser includes a passive ring resonant cavity, an FP resonant cavity, and a first gain region. The passive ring resonant cavity and the FP resonant cavity are combined to form an M-Z (Mach-Zehnder interference structure) compound external cavity structure, and the M-Z compound external cavity structure is at least used for providing wavelength selection and narrowing laser linewidth. The first gain region is provided on the outer side of the M-Z compound external cavity structure and is used for providing a gain for the whole laser. The narrow linewidth laser is simple in structure, high in side-mode suppression ratio, narrow in linewidth, and high in output power. By further integrating a PN junction region or MOS junction region, broadband and rapid tuning with low power consumption can also be achieved, and tuning management is simple.
A method (700) of biasing a tunable laser (310) during burst-on and burst-off states includes receiving a burst mode signal (514) indicative of the burst-on state or the burst-off state and when the burst mode signal is indicative of the burst-on state: delivering a first bias current (IGAIN) to an anode of a gain-section diode (590a) disposed on a shared substrate of the tunable laser; and delivering a second bias current (IPH) to an anode of phase-section diode (590b) disposed on the shared substrate. The second bias current is less than the first bias current. When the burst mode signal transitions to be indicative of the burst-off state, the method also includes delivering the first bias current to the anode of the gain-section diode; and delivering the second bias current to the anode of the phase-section diode wherein the first bias current is less than the second bias current.
A fiber laser device includes a pumping light source, an amplifying fiber, an input side fiber fusion-spliced on an input side of the amplifying fiber and formed with a HR-FBG, an output side fiber fusion-spliced on an output side of the amplifying fiber and formed with an OC-FBG having a reflectivity smaller than that of the HR-FBG, an output end, and a mode filter, wherein the input side fiber or an intermediate fiber disposed between the amplifying fiber and the input side fiber is fusion-spliced with the amplifying fiber via a fusion splice portion, and at least a portion of the mode filter is disposed in a region between the fusion splice portion and a position separated from the fusion splice portion by a coherence length of beating caused by mode interference of signal light propagating in the amplifying fiber.
A junction box includes a box body and a conductive bar. A guide plate extends from a lead insertion opening, with a laterally extended connection portion at its extended end to connect the box body. First and second support plates and edges of the guiding plate form passages accessible to a lead insert space defined by the guiding plate, the connecting portion, the second support plate and the box body. The conductive bar has a bent conductive arm that moves into the inside of the lead insert space by an elastic force, therefore locked in said space, after it passes the passages.
A rotary connector device includes a stator and a rotation body. The stator includes a first stator main body and a second stator main body. The rotation body is provided rotatably about a rotational axis with respect to the stator. The stator and the rotation body define a cable housing space between the stator and the rotation body. The second stator main body includes a first wall and a second wall. The first wall extends along an axial direction parallel to the rotational axis. The second wall extends along the axial direction and is spaced apart from the first wall in a radial direction perpendicular to the rotational axis. The first wall is disposed between the cable housing space and the second wall in the radial direction. The first stator main body includes an intermediate wall extending along the axial direction and disposed between the first wall and the second wall in the radial direction.
A power distribution unit including a plurality of outlet cores arranged along an outlet panel of a housing and mounted to one or more circuit boards with an unobstructed space between adjacent pairs of the plurality of outlet cores. The outlet cores each extend a portion of the distance between the circuit boards and the outlet panel, and the outlet panel includes a plurality of apertures each corresponding to an associated one of the plurality of outlet cores. One or more overcurrent protection devices are mounted in a non-outlet panel aligned along the length of the housing.
A contact member includes, an outer conductor including a mating interface section that includes a front end of the outer conductor, a termination section including a rear end of the outer conductor, and a middle section therebetween joining the mating interface and termination sections; an inner conductor received in the mating interface section; and a protective insulator including a main portion received in the mating interface section of the outer conductor and supporting the inner conductor and including an end portion configured for closed entry mating. The end portion has an end face extending outside of the front end of the outer conductor.
The disclosed angled modular edge patching system is configured to be mounted to a ceiling, furniture or wall, facilitate cable management functions and enhance space utilization. The disclosed angled modular edge patching system including a patch panel element and a base, which are configured to be releasably engaged.
The present application provides a high-voltage connector and an electromagnetic shielding shell for the high-voltage connector, the electromagnetic shielding shell has an integrated barrel-shaped structure formed by a deep drawing process, and integrated barrel-shaped structure includes a barrel wall and a barrel bottom that are connected to each other. By providing an integrated barrel-shaped structure formed by the deep drawing process, the entire electromagnetic shielding shell does not have structural slits, thereby improving the current passing capacity and electromagnetic shielding performance, and there is no overlap of multiple sheet metal materials in the structure of the electromagnetic shielding shell, and can increase the thickness of the electromagnetic shielding shell under the same conditions, and it can also make the structure thickness of the electromagnetic shielding shell have better uniformity, avoid the situation of thick local structure, and the space occupied by the electromagnetic shielding shell in the high-voltage connector is reduced and materials are saved, which can reduce the material cost and manufacturing cost of the product.
An apparatus for locking air hose couplings together, such apparatus including flexible inserts wherein the apparatus is configured for holding and locking air hose couplings of different sizes. A method of locking air hose couplings together using an apparatus for locking air hose couplings together, such apparatus including flexible inserts wherein the apparatus is configured for holding and locking air hose couplings of different sizes.
A connector includes a housing, a first electrode and a second electrode. The housing further includes a first body, bending parts, foolproof key positions, a second buckle, a first opening and a second opening. The first body forms a first accommodating space and a second accommodating space. The first accommodating space is provided with the foolproof key positions, the first opening, the second opening and the second buckle. The second buckle can be arranged corresponding to a first buckle of the wire end connector to buckle the wire end connector in the first accommodating space and the second accommodating space. The first electrode includes a first end and a third end, and the third end forms first current divider pins. The second electrode includes a second end and a fourth end, and the fourth end forms second current divider pins.
An antenna device includes a substrate ground having a planar surface, a planar radiation element disposed in parallel and opposite to a planar portion of the substrate ground, a power feeding point connected to the planar radiation element, and a ground portion forming a stacked body in which, on a radiation surface side, ground patterns made of a conductive material are stacked from the radiation surface in a radiation direction perpendicular to the radiation surface. The ground pattern in each of layers of the stacked body is formed inwardly of a portion immediately overlying the ground pattern in another layer located on the radiation surface side, non-ground portions in which the conductive material is not disposed being formed in a portion immediately overlying the radiation surface, and the non-ground portions in the individual layers are formed to be gradually enlarged in the radiation direction.
Systems, methods, and computer-readable media herein dynamically adjust the number of elements active within a neighboring base station in order to reduce the back lobe overlap and thus reduce the interference caused by such an overlap. User devices assigned to communicate with an antenna array are monitored to determine if they are experiencing a decreased level of performance which may be caused by an overlapping back lobe from a neighboring cell site. If the user device's performance falls below a threshold value, the gain associated with the neighboring cell site is dynamically reduced in order to reduce the back lobe overlap.
A disclosed method may include (i) receiving multiple Remote Electrical Tilt related commands that are directed to different respective antennas, (ii) aggregating the multiple Remote Electrical Tilt related commands together as a batch, and (iii) executing a script to issue the multiple Remote Electrical Tilt related commands as the batch such that the multiple Remote Electrical Tilt related commands are applied to the different respective antennas. Related systems and computer-readable mediums are further disclosed.
Methods, apparatuses, and systems for verifying alignment of a compact antenna test range (CATR) are presented. A radio frequency (RF) profile may be generated based on test signals received by a reference antenna at a plurality of orientations. Phase and amplitude data of the RF profile may be used to determine whether the CATR is aligned properly.
This application provides an antenna and an array antenna. The antenna in this application includes a first radiating element and a second radiating element, where four dipoles enclose to form the first radiating element, and the second radiating element is a radiating element disposed on an inner side of the first radiating element. The first radiating element is configured to support a transmit frequency band, and the second radiating element is configured to support a receive frequency band; or the first radiating element is configured to support a receive frequency band, and the second radiating element is configured to support a transmit frequency band.
An omnidirectional biconical antenna, which includes a first funnel-shaped plate having a wide end and a narrow end; a second funnel-shaped plate having a wide end and a narrow end; and an annular metal lens delimited by the second funnel-shaped plate and the first funnel-shaped plate. The second funnel-shaped plate is inversely positioned relative to the first funnel-shaped plate, such that the narrow ends of the second funnel-shaped plate and the first funnel-shaped plate point to each other.
An antenna system includes an antenna waveguide having a waveguide surface. A set of printed electronics includes conductors deposited onto the waveguide surface of the antenna waveguide. The system further includes at least one transceiver integrated circuit (IC), the transceiver integrated circuit having a surface assembly, wherein the surface assembly is adhesively coupled to the antenna waveguide and directly connected to the waveguide surface of the antenna waveguide.
An example antenna monitoring device according to the disclosed principles is provided with an intermodulation distortion mitigation component. An example intermodulation distortion mitigation component may include a backplate for the antenna monitoring device. The back plate may be made of a substance such as aluminum and may be relatively thin (e.g., in the order of 0.5 mm thickness). When the antenna receives signals, the backplate may block signals with intermodulation distortions from reaching the antenna. When the antenna is to transmit signals, the backplate may block the transmitted signals passing through the antenna monitoring device thereby avoiding the introduction of intermodulation distortion.
The present invention discloses a base station, including a radome, a radiator, and an adapter board. The adapter board includes a first board surface and a second board surface that are disposed oppositely, the radome is fastened to the first board surface, a first cavity configured to accommodate an antenna component of the communication base station is formed between the radome and the adapter board, the radiator includes a mounting surface and a side wall that are neighboring to each other, a second cavity configured to accommodate a radio frequency component of the communication base station is recessed on the mounting surface, the mounting surface is fixedly connected to the second board surface, the second cavity is communicated with the first cavity, a connector configured to communicate the radio frequency component with an external circuit is mounted on the side wall, and is electrically connected to the radio frequency component.
A low frequency band radiating element for a multiple frequency band cellular base station antenna comprises a dipole arm including a radiating portion and a first coupling portion and a dipole leg that includes a leg and a second coupling portion located at one end of the leg. The first coupling portion is removably connected to the second coupling portion. A thin metal sheet with a suitable electrical performance can be selected for the dipole arm, and a thick metal plate can be selected for a dipole leg so as to achieve mechanical strength.
In one embodiment of the present disclosure, a pan/tilt assembly for an antenna apparatus having a housing enclosing antenna components and a leg extending from the housing includes a first actuator for rotating a first gear, a second actuator for rotating a second gear, a third gear coupled to the leg and engaged by the first and second gears, and a tee having a first portion substantially transverse to a second portion, wherein the first portion has a first end rotatably received within the first gear and a second end rotatably received within the second gear, and wherein the second portion is rotatably received within the third gear.
An antenna for facilitating remote reading of utility meters is disclosed. The antenna includes a metal rod and a printed circuit board (PCB), both enclosed by an envelope that includes a plastic body and a plastic cap. The plastic body includes a channel for receiving the metal rod. The plastic cap is for covering the plastic body. The PCB includes a dielectric layer located between a first and second metal layers. Secured to the PCB, the metal rod is electrically connected to the second metal layer of the PCB, but not the first metal layer of the PCB.
A dielectric wave guide cable (1) includes a tubular core (2) made from a low loss material having a certain permittivity. The tubular core (2) is encompassed by a cladding (3) having, compared to the tubular core (2), a lower permittivity. The tubular core (2) may be coated on the inside by a coating (3) having a higher permittivity. The cladding (3) may be encompassed by a jacket (4).
This document describes a waveguide with a zigzag for suppressing grating lobes. An apparatus may include a waveguide with a zigzag waveguide channel to suppress grating lobes in diagonal planes of a three-dimensional radiation pattern. The waveguide includes a hollow channel containing a dielectric and an array of radiation slots through a surface that is operably connected with the dielectric. The hollow channel has a zigzag shape along a longitudinal direction through the waveguide. The zigzag waveguide channel and radiation slots configure the described waveguide to suppress grating lobes in an antenna radiation pattern. This document also describes a waveguide formed in part by a printed circuit board to improve the manufacturing process.
In one embodiment, a waveguide assembly includes a first waveguide portion having a first end, a second end, and a first waveguide channel extending between the first end and the second end, and a second waveguide portion having a first end, a second end, and a second waveguide channel extending between the first end and the second end, wherein the first waveguide portion and the second waveguide portion are configured to connect such that the first waveguide channel and the second waveguide channel form a combined channel, wherein the combined channel includes a gap interface between the first waveguide channel and the second waveguide channel.
A system and a method for measuring impedance of a fuel cell stack are disclosed. The system includes: an energy consumption device, a cooling device, and a high-voltage battery connected in parallel to a main bus end of a fuel cell stack; a relay provided at the main bus end and configured to electrically connect or disconnect the cooling device and the high-voltage battery to or from the fuel cell stack; an impedance measurement unit configured to apply an AC current to the fuel cell stack and to measure the impedance of the fuel cell stack; and a controller configured to turn off the relay during measurement of the impedance of the fuel cell stack.
A battery includes a battery cell and a casing assembly for receiving the battery cell. The battery cell includes a first electrode tab. The battery further includes an insulating member and a conductive member, the insulating member is connected between the casing assembly and the conductive member. The casing assembly defines a first through hole, and the insulating member defines a second through hole connected to the first through hole. The first electrode tab is electrically connected to the conductive member. A power consuming device including the battery is further provided. The conductive member of the present disclosure substitutes for the terminal post of existing art, increasing the energy density of the battery.
A polymer battery separator with an interpenetrating network structure and a preparation method thereof are disclosed. A multilayer microporous separator includes a PVDF layer, and a PE-PVDF porous substrate located on a surface of the PVDF layer. Finger-like through holes with a pore size of 100-150 nm are distributed in the PVDF finger-like pore layer. An interpenetrating network structure with a pore size of 50-100 nm is distributed on an interface between the PVDF finger-like pore layer and the PE microporous layer. Micropores with a pore size of 20-50 nm are distributed in the PE microporous layer. The surface of the PVDF layer is covered with the PE-PVDF porous substrate, so that the multilayer microporous separator forms an interpenetrating network structure, which has improved thermal stability and high-temperature resistance.
An anode for batteries having a columnar nanostructured porous germanium for its active material. This nanostructured porous germanium can be produced with the novel etching method disclosed herein. Such anode can be easily mass-produced with the presented method that requires pre-existing, affordable and easy to integrate equipment. In some embodiments, the produced columnar porous germanium can be directly used as a monolithic anode after its etching nanostructuration for on-chip anodes for example, where the anisotropic nanostructured germanium acts as the active material and where the remaining bulk germanium layer act as the current collector. This can be easily implemented in lithium batteries. The cycle life of such anodes could be extended by a factor of 26 and 1.8 for high rate and high energy applications, respectively.
A positive electrode sheet includes a current collector including a coating region and a non-coating region, a resistance layer disposed on the current collector and including a conductive agent, a first binder, and a first positive electrode active material, and a positive electrode active material layer including a second positive electrode active material, a conductive agent, and a second binder. A resistance of the resistance layer is greater than a resistance of the positive electrode active material layer. In a cross section of the positive electrode sheet, a projection of at least a part of the positive electrode active material layer on the current collector and a projection of the resistance layer on the current collector do not overlap. A polarization parameter P of the positive electrode sheet is in a range of 0.4-65.0 and equals ((1−S)/S)·(R1/R2).
A battery module, a battery pack, and an electric apparatus are provided. In some embodiments, the battery module includes a first type of cell and a second type of cell that are cells of different chemical systems, where the first type of cell includes n first cells, the second type of cell includes m second cells, n and m each are selected from an integer greater than 1, at least one of the first cells and at least one of the second cells are electrically connected in series, and the first cell and the second cell satisfy at least the following relationships: 0.08≤ΔRB/ΔRA≤3.50, and 0.10 mΩ/100 cycles≤ΔRA≤0.40 mΩ/100 cycles, where ΔRA is a discharge resistance growth rate of the first cell, and ΔRB is a discharge resistance growth rate of the second cell; and IMPB
An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode or the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode or the second electrode can include combining elemental lithium metal and a plurality of carbon particles.
An ion conductor including: at least one oxide represented by Formulae 1 to 3
Li4±xM1−x′M′x′O4 Formula 1
wherein in Formula 1,
0≤x≤1 and 0≤x′≤1 ,
M is a Group 4 element,
M′ is an element of Group 2, an element of Group 3, an element of Group 5, an element of Group 12, an element of Group 13, a vacancy, or a combination thereof, with the proviso that when M is Zr, then x≠0, x′≠0 and M′ is Be, Ca, Sr, Ba, Ra, Cd, Hg, Cn, Ga, In, TI, an element of Group 3, an element of Group 5, or a combination thereof;
Li4−yM″O4−yA′y Formula 2
wherein in Formula 2, M″ is a Group 4 element, A′ includes at least one halogen, with the proviso that when M″ is Zr, y≠0,
Li4+4zM′″1−zO4 Formula 3
wherein in Formula 3, 0
A method of electroplating (or electrodeposition) carbon to coat anode and cathode active materials used in Li-ion batteries (LIBs) for improving their cycle life. The electroplating of the carbon coating from the carbon source is ultrafast, preferably taking less than 10 seconds. The carbon source can be comprised of an acetonitrile, methanol, ethanol, acetonitrile, nitromethane, nitroethane or N,N-dimethylformamide (DMF) solution. The protective carbon coating may be used also in gas sensors, biological cell sensors, supercapacitors, catalysts for fuel cells and metal air batteries, nano and optoelectronic devices, filtration devices, structural components, and energy storage devices.
A method for purging air from a cooling system including operating one or more pumps at a selected speed for a first time interval, waiting a second time interval with the one or more pumps off or at a reduced speed relative to the selected speed, and repeating the steps of operating and waiting multiple times.
A battery module includes a housing, assembled from a first side wall, a second side wall, a first end plate, and a second end plate, is configured to support a plurality of battery cells. The battery module also includes a heating pad and a cooling plate that are configured to regulate a thermal state of the plurality of battery cell. The heating pad is disposed substantially adjacent to the plurality of battery cells and the cooling plate is disposed adjacent to the heating pad opposite the plurality of battery cells. A controller associated with the battery module is configured receive an indication of battery temperature and active one of the heating pad or the cooling plate based at least on the battery temperature of the plurality of battery cells.
A battery pack includes a housing, at least one battery cell enclosed within the housing, a printed circuit board (PCBA) enclosed within the housing, a gauge electrically connected to the PCBA and including at least one light, and an actuator that, when actuated, activates the gauge to illuminate the at least one light to indicate a charge level of the at least one battery cell. The housing has a main body and a handle extending from the main body, and the handle defines an aperture sized and shaped to receive one or more of a user's fingers therein. The gauge is located on an outer surface of the handle.
An electrochemical device including a negative electrode made of a magnesium-based material includes an electrolyte solution consisting of a solvent composed of linear ether, and magnesium salt dissolved in the solvent, in which the magnesium salt is dissolved in 3 moles or more per liter of the solvent.
The instant disclosure sets forth multiphase lithium-stuffed garnet electrolytes having secondary phase inclusions, wherein these secondary phase inclusions are material(s) which is/are not a cubic phase lithium-stuffed garnet but which is/are entrapped or enclosed within a lithium-stuffed garnet. When the secondary phase inclusions described herein are included in a lithium-stuffed garnet at 30-0.1 volume %, the inclusions stabilize the multiphase matrix and allow for improved sintering of the lithium-stuffed garnet. The electrolytes described herein, which include lithium-stuffed garnet with secondary phase inclusions, have an improved sinterability and density compared to phase pure cubic lithium-stuffed garnet having the formula Li7La3Zr2O12.
This disclosure relates to a rechargeable battery cell comprising an active metal, at least one positive electrode having a discharge element, at least one negative electrode having a discharge element, a housing and an electrolyte, the negative electrode comprising metallic lithium at least in the charged state of the rechargeable battery cell and the electrolyte being based on SO2 and comprising at least one first conducting salt which has the formula (I),
M being a metal selected from the group formed by alkali metals, alkaline earth metals, metals of group 12 of the periodic table of the elements, and aluminum; x being an integer from 1 to 3; the substituents R1, R2, R3 and R4 being selected independently of one another from the group formed by C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl and C5-C14 heteroaryl; and Z being aluminum or boron.
A light-emitting unit includes: a wiring board; light-emitting elements on the wiring board; a light reflecting member on the wiring board, the light reflecting member covering a lateral surface of each of the light-emitting elements; wavelength conversion layers each provided on or above an emission surface of a corresponding one of the plurality of light-emitting elements; light reflecting layers on the wavelength conversion layers, respectively; and a protecting layer configured to transmit light and provided on the light reflecting member. The light-transmitting protecting layer covers at least a lateral surface of the wavelength conversion layers and at least a lateral surfaces of the light reflecting layers. An upper surface of the protecting layer has a first recess in a region where the plurality of light reflecting layers are not present in a top view. The first recess includes at least one concave surface.
Packaged LEDs with phosphor films, and associated systems and methods are disclosed. A system in accordance with a particular embodiment of the disclosure includes a support member having a support member bond site, an LED carried by the support member and having an LED bond site, and a wire bond electrically connected between the support member bond site and the LED bond site. The system can further include a phosphor film carried by the LED and the support member, the phosphor film being positioned to receive light from the LED at a first wavelength and emit light at a second wavelength different than the first. The phosphor film can be positioned in direct contact with the wire bond at the LED bond site.
A light emitting device comprises: a solid-state light emitter which generates blue excitation light with a dominant wavelength from 440 nm to 470 nm; a yellow to green photoluminescence material which generates light with a peak emission wavelength from 500 nm to 575 nm; a broadband orange to red photoluminescence material which generates light with a narrowband peak emission wavelength from 580 nm to 620 nm; and a narrowband red manganese-activated fluoride phosphor which generates light with a peak emission wavelength from 625 nm to 635 nm. The device generates white light with a spectrum having a broad emission peak from about 530 nm to about 600 nm and a narrow emission peak and wherein the ratio of the peak emission intensity of the broad emission peak to the peak emission intensity of the narrow emission peak is at least 20%.
Described are light emitting diode (LED) devices comprising a mesa with semiconductor layers, the semiconductor layers including an N-type layer, an active layer, and a P-type layer. The mesa has a top surface and at least one side wall, the at least one side wall defining a trench having a bottom surface. A passivation layer is on the at least one side wall and on the top surface of the mesa, the passivation layer comprises one or more a low-refractive index material and distributed Bragg reflector (DBR). A p-type contact is on the top surface of the mesa, and an n-type contact on the bottom surface of the trench.
An object is to provide a light-emitting display device in which a pixel including a thin film transistor using an oxide semiconductor has a high aperture ratio. The light-emitting display device includes a plurality of pixels each including a thin film transistor and a light-emitting element. The pixel is electrically connected to a first wiring functioning as a scan line. The thin film transistor includes an oxide semiconductor layer over the first wiring with a gate insulating film therebetween. The oxide semiconductor layer is extended beyond the edge of a region where the first wiring is provided. The light-emitting element and the oxide semiconductor layer overlap with each other.
The present invention is a method for manufacturing a substrate for a solar cell composed of a single crystal silicon, including the steps of: producing a silicon single crystal ingot; slicing a silicon substrate from the silicon single crystal ingot; and subjecting the silicon substrate to low temperature thermal treatment at a temperature of 800° C. or more and less than 1200° C., wherein the silicon single crystal ingot or the silicon substrate is subjected to high temperature thermal treatment at a temperature of 1200° C. or more for 30 seconds or more before the low temperature thermal treatment. As a result, it is possible to provide a method for manufacturing a substrate for a solar cell that can prevent decrease in the minority carrier lifetime of the substrate even when the substrate has higher oxygen concentration.
A photovoltaic cell includes a silicon substrate having two opposite main surfaces. A first main surface of the two main surfaces is covered with a passivation layer stack, including a POx- and Al-including-layer covering the first main surface, and a capping layer which covers the POx- and Al-including-layer. A method for manufacturing a photovoltaic cell is also disclosed.
Gate all around semiconductor devices, such as nanowire or nanoribbon devices, are described that include a low dielectric constant (“low-k”) material disposed between a first nanowire closest to the substrate and the substrate. This configuration enables gate control over all surfaces of the nanowires in a channel region of a semiconductor device via the high-k dielectric material, while also preventing leakage current from the first nanowire into the substrate.
A fin-like field-effect transistor (FinFET) device is disclosed. The device includes a semiconductor substrate having a source/drain region, a plurality of isolation regions over the semiconductor substrate and a source/drain feature in the source/drain region. The source/drain feature includes a multiple plug-type portions over the substrate and each of plug-type portion is isolated each other by a respective isolation region. The source/drain feature also includes a single upper portion over the isolation regions. Here the single upper portion is merged from the multiple plug-type portions. The single upper portion has a flat top surface facing away from a top surface of the isolation region.
Improved inner spacers for semiconductor devices and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a substrate; a plurality of semiconductor channel structures over the substrate; a gate structure over the semiconductor channel structures, the gate structure extending between adjacent ones of the semiconductor channel structures; a source/drain region adjacent of the gate structure, the source/drain region contacting the semiconductor channel structures; and an inner spacer interposed between the source/drain region and the gate structure, the inner spacer including a first inner spacer layer contacting the gate structure and the source/drain region, the first inner spacer layer including silicon and nitrogen; and a second inner spacer layer contacting the first inner spacer layer and the source/drain region, the second inner spacer layer including silicon, oxygen, and nitrogen, the second inner spacer layer having a lower dielectric constant than the first inner spacer layer.
Systems and methods are presented herein that facilitate temporally synchronizing, in real time, a separately sourced high quality audio segment of a live event with a video segment that is generated by a recording device associated with a member of the audience. An A-V Synchronization Application may synchronize a video segment of a live event that is generated from a personal electronic device of an audience member with a high quality audio segment that is separately sourced and generated by professional sound recording equipment at the live event. The result of the temporal synchronization is a high fidelity digital audio visual recording of the live event. In various, the audience member may stream, in real-time, the high fidelity digital audio visual recording to an additional electronic device at a different geo-location. In some examples, narrative audio segments may be also included as part of the high fidelity digital audio visual recording.
A method for forming a semiconductor device includes forming a metal gate stack having a gate dielectric layer and a gate electrode disposed over the gate dielectric layer. The gate electrode includes a first metal layer and a second metal layer. The method further includes performing a plasma treatment to a top surface of the metal gate stack and forming a conductive layer over the treated top surface of the metal gate stack. A top portion of the conductive layer is formed above a top surface of the gate dielectric layer, and a bottom portion of the conductive layer penetrates into the first and the second metal layers of the gate electrode at different distances.
A non-volatile memory device is provided. The non-volatile memory device includes a substrate having an active region, a source region, a drain region, and a floating gate. The source region and the drain region may be arranged in the active region, the drain region may be arranged adjacent to the source region. The source region and the drain region may define a channel region therebetween. The floating gate may be arranged over the active region, and may include a first section over the channel region, a plurality of second sections over the drain region, and a connecting section arranged between the first section and the plurality of second sections.
Wafers including a diamond layer and a semiconductor layer having III-Nitride compounds and methods for fabricating the wafers are provided. A nucleation layer, at least one semiconductor layer having III-Nitride compound and a protection layer are formed on a silicon substrate. Then, a silicon carrier wafer is glass bonded to the protection layer. Subsequently the silicon substrate, nucleation layer and a portion of the semiconductor layer are removed. Then, an intermediate layer, a seed layer and a diamond layer are sequentially deposited on the III-Nitride layer. Next, a substrate wafer that includes a glass substrate (or a silicon substrate covered by a protection layer) is glass bonded to the diamond layer. Then, the silicon carrier wafer and the protection layer are removed.
The present disclosure is directed to methods for the fabrication of buried layers in gate-all-around (GAA) transistor structures to suppress junction leakage. In some embodiments, the method includes forming a doped epitaxial layer on a substrate, forming a stack of alternating first and second nano-sheet layers on the epitaxial layer, and patterning the stack and the epitaxial layer to form a fin structure. The method includes forming a sacrificial gate structure on the fin structure, removing portions of the fin structure not covered by the sacrificial gate structure, and etching portions of the first nano-sheet layers. Additionally, the method includes forming spacer structures on the etched portions of the first nano-sheet layers and forming source/drain (S/D) epitaxial structures on the epitaxial layer abutting the second nano-sheet layers. The method further includes removing the sacrificial gate structure, removing the first nano-sheet layers, and forming a gate structure around the second nano-sheet layers.
Various embodiments of the present disclosure are directed towards a semiconductor device including a gate electrode over a semiconductor substrate. An epitaxial source/drain layer is disposed on the semiconductor substrate and is laterally adjacent to the gate electrode. The epitaxial source/drain layer comprises a first dopant. A diffusion barrier layer is between the epitaxial source/drain layer and the semiconductor substrate. The diffusion barrier layer comprises a barrier dopant that is different from the first dopant.
The present disclosure describes a semiconductor device having facet-free epitaxial structures with a substantially uniform thickness. The semiconductor device includes a fin structure on a substrate. The fin structure includes a fin bottom portion and a fin top portion. A top surface of the fin bottom portion is wider than a bottom surface of the fin top portion. The semiconductor device further includes a dielectric layer on the fin top portion, an amorphous layer on the dielectric layer, and an epitaxial layer. The epitaxial layer is on a top surface of the amorphous layer, sidewall surfaces of the amorphous layer, the dielectric layer, the fin top portion, and the top surface of the fin bottom portion.
Semiconductor devices and methods of fabrication are described herein. The method includes steps for patterning fins in a multilayer stack and forming an opening in a fin and into a substrate as an initial step in forming a source/drain region. A first semiconductor material is epitaxially grown from channels exposed along sidewalls of the opening to form first source/drain structures. A second semiconductor material is epitaxially grown from the first semiconductor material to form a second source/drain structure over and to fill a space between the first source/drain structures. A bottom of the second source/drain structure is located below a bottommost surface of the first source/drain structures. The second semiconductor material has a greater concentration percentage by volume of germanium than the first semiconductor material. A stack of nanostructures is formed by removing sacrificial layers of the multilayer stack, the second semiconductor material being electrically coupled to the nanostructures.
A semiconductor device comprises a substrate, a semiconductor layer formed on the substrate; and a high-voltage termination. The high-voltage termination includes a plurality of floating field rings, a deep trench and a dielectric material is disposed within the deep trench. The plurality of floating field rings are formed in the semiconductor layer and respectively disposed around a region of the semiconductor layer. The deep trench is formed in the semiconductor layer and concentrically disposed around an outermost floating field ring of the plurality of floating field rings. The high-voltage termination may also include a field plate disposed over the floating field rings, the deep trench, or both.
A semiconductor device includes a first coil, a second coil, and a third coil. The second coil is disposed with respect to the first coil. The third coil is configured to sense a signal on the first coil. A first overlapped area, on a projection plane, of the third coil and the first coil is larger than a second overlapped area, on the projection plane, of the third coil and the second coil.
The present application discloses a display panel and a manufacturing method therefor, and the method includes steps of: forming a photosensitive element layer, forming a light collimating layer on the photosensitive element layer, and forming an active light-emitting matrix layer on the light collimating layer; where the step of forming the light collimating layer includes: providing a metal substrate, putting the metal substrate into an electrolyte, and preparing a porous oxidized metal as the light collimating layer by a two-step oxidation method.
The present disclosure provides a semiconductor structure, including a substrate including a first material, wherein the first material generates electrical signals from radiation within a first range of wavelengths, an image sensor element including a second material, wherein the second material generates electrical signals from radiation within a second range of wavelengths, the second range is different from first range, a transparent layer proximal to a light receiving surface of the image sensor element, wherein the transparent layer is transparent to radiation within the second range of wavelength, and an interconnect structure connected to a signal transmitting surface of the image sensor element.
There is provided a semiconductor device in which the inter-wiring capacitance of wiring lines provided in any layout is further reduced. A semiconductor device that includes a first inter-wiring insulating layer that is provided on a substrate and includes a recess on a side opposite to the substrate, a first wiring layer that is provided inside the recess in the first inter-wiring insulating layer, a sealing film that is provided along an uneven shape of the first wiring layer and the first inter-wiring insulating layer, a second inter-wiring insulating layer that is provided on the first inter-wiring insulating layer to cover the recess, and a gap that is provided between the second inter-wiring insulating layer and the first wiring layer and the first inter-wiring insulating layer. The second inter-wiring insulating layer has a planarized surface that is opposed to the recess.
A CMOS image sensor (CIS) package includes a package substrate, a CIS chip arranged on an upper surface of the package substrate and electrically connected with the package substrate, a glass arranged over the CIS chip, and an adhesive layer interposed between an edge portion of an upper surface of the CIS chip and an edge portion of a lower surface of the glass to attach the glass to the CIS chip. An interlocking recess is provided to at least one of the CIS chip and the glass, and the adhesive layer comprises an interlocking protrusion inserted into the interlocking recess.
In an embodiment, a semiconductor device includes: a main transistor having a load path; a sense transistor configured to sense a main current flowing in the load path of the main transistor; and a bypass diode structure configured to protect the sense transistor and electrically coupled in parallel with the sense transistor. A sense transistor cell of the sense transistor includes a sense trench and a sense mesa. The sense trench and a bypass diode trench of the bypass diode structure form a common trench. The sense mesa and a bypass diode mesa of the bypass diode structure form a common mesa.
A display device may include: a substrate including a display area and a non-display area; pixels in the display area, each of the pixels including first to fourth electrodes, and light emitting elements connected with the first to fourth electrodes; first pads in a pad area of the non-display area; first to third lines provided in the non-display area; and a circuit board overlapping with the pad area of the substrate and including second pads electrically connected with the first pads. The first pads may include a 1-1th pad connected to the first line, a 1-2th pad connected to the second line, and a 1-3th pad connected to the third line. An identical driving voltage may be applied to at least two lines of the first to third lines. The first to third lines may apply alignment signals to the first to fourth electrodes.
A semiconductor power module including an insulating substrate having one surface and another surface, an output side terminal arranged at a one surface side of the insulating substrate, a first power supply terminal arranged at the one surface side of the insulating substrate, a second power supply terminal to which a voltage of a magnitude different from a voltage applied to the first power supply terminal is to be applied, and arranged at an other surface side of the insulating substrate so as to face the first power supply terminal across the insulating substrate, a first switching device arranged at the one surface side of the insulating substrate and electrically connected to the output side terminal and the first power supply terminal, and a second switching device arranged at the one surface side of the insulating substrate and electrically connected to the output side terminal and the second power supply terminal.
An integrated circuit (IC) device is disclosed which includes at least a first hybrid bond interface layer disposed between adjacent wafers of a wafer stack. Routing within the hybrid bond interface layer allows test pads exposed on a top wafer of the wafer stack to electrically couple test keys within the wafer stack. By utilizing the routing within the hybrid bond interface layer to index electrical connections between adjacent wafers, IC dies stacked on the wafers may be fabricated with less mask sets as compared to conventional designs.
A semiconductor device structure and a method for manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a method for manufacturing a semiconductor device that comprises ordering and performing processing steps in a manner that prevents warpage deformation from occurring to a wafer and/or die due to mismatching thermal coefficients.
A semiconductor device includes a first semiconductor chip including an output electrode portion on a front surface thereof, the output electrode portion including a plurality of electrode regions, each of which is provided at a respective position of the output electrode portion, and a plurality of wires, each electrode region being connected to a different one or more wires among the plurality of wires, through which a respective amount of output current is output. A total number of the different one or more wires connected to each electrode region is set depending on the respective position of the electrode region of the output electrode portion, so that the electrode region has a respective current amount per wire that is equal to or less than a respective predetermined value.
An object is to provide a semiconductor device which suppresses poor bonding between a metal pattern and an electrode terminal due to insufficient temperature rise at the time of bonding the metal pattern and the electrode terminal. The electrode terminal is branched into a plurality of branch portions in a width direction on one end side of an extending direction thereof, of the plurality of branch portions, a first branch portion and a second branch portion are bonded on the metal pattern via a bonding material, respectively, the first branch portion has a wider width than that of the second branch portion, and the bonding material between the second branch portion and the metal pattern is thinner than the bonding material between the first branch portion and the metal pattern.
In general aspect, a semiconductor device package can include a substrate and a semiconductor die disposed on and coupled with the substrate. The semiconductor device package can further include a leadframe having an indentation defined therein, at least a portion of the indentation being disposed on and coupled with the semiconductor die via a conductive adhesive.
The disclosure provides an integrated circuit (IC) structure with fluorescent materials, and related methods. An IC structure according to the disclosure may include a layer of fluorescent material on an IC component. The layer of fluorescent material defines a portion of an identification marker for the IC structure.
A semiconductor device has a semiconductor chip having a plurality of pads and wires electrically connected to the plurality of pads, respectively. The plurality of pads includes a plurality of first pads which is electrically connected to a circuit included in the semiconductor chip and to which first wires are bonded and a second pad which is an electrode pad for wire connection test and to which a second wire is bonded.
A die interconnect substrate comprises a bridge die comprising at least one bridge interconnect connecting a first bridge die pad of the bridge die to a second bridge die pad of the bridge die. The die interconnect substrate comprises a multilayer substrate structure comprising a substrate interconnect. The bridge die is embedded in the multilayer substrate structure. The substrate interconnect extends from a level above the bridge die to a level below the bridge die. The multilayer substrate structure further comprises an electrically insulating layer comprising a first electrically insulating material. The multilayer substrate structure further comprises an electrically insulating filler structure located laterally between the bridge die and the electrically insulating layer, wherein the electrically insulating filler structure comprises a second electrically insulating material different from the first electrically insulating material.
Various implementations described herein are related to a device having multiple transistors that are arranged as a bitcell. The device may include multiple wordlines that are coupled to the multiple transistors. Also, one or more wordlines may be formed with frontside metal, and one or more other wordlines may be formed with buried metal.
A semiconductor device structure is provided. The semiconductor device structure includes a substrate and a resistive element over the substrate. The semiconductor device structure also includes a thermal conductive element over the substrate. A direct projection of the thermal conductive element on a main surface of the resistive element extends across a portion of a first imaginary line and a portion of a second imaginary line of the main surface. The first imaginary line is perpendicular to the second imaginary line, and the first imaginary line and the second imaginary line intersect at a center of the main surface.
In various embodiments, a passive electronic component is disclosed. The passive electronic component can have a first surface and a second surface opposite the first surface. The passive electronic component can include a nonconductive material and a capacitor embedded within the nonconductive material. The capacitor can have a first electrode, a second electrode, and a dielectric material disposed between the first and second electrodes. The first electrode can comprise a first conductive layer and a plurality of conductive fibers extending from and electrically connected to the first conductive layer. A first conductive via can extend through the passive electronic component from the first surface to the second surface, with the first conductive via electrically connected to the first electrode.
Embodiments of the present disclosure are directed towards techniques and configurations for ground via clustering for crosstalk mitigation in integrated circuit (IC) assemblies. In some embodiments, an IC package assembly may include a first package substrate configured to route input/output (I/O) signals and ground between a die and a second package substrate. The first package substrate may include a plurality of contacts disposed on one side of the first package substrate and at least two ground vias of a same layer of vias, and the at least two ground vias may form a cluster of ground vias electrically coupled with an individual contact. Other embodiments may be described and/or claimed.
A semiconductor package and a method of manufacturing the same are provided. The semiconductor package includes a semiconductor die, an encapsulant and a redistribution structure. The encapsulant laterally encapsulates the semiconductor die. The redistribution structure is disposed on the encapsulant and electrically connected with the semiconductor die, wherein the redistribution structure comprises a first conductive via, a first conductive wiring layer and a second conductive via stacked along a stacking direction, the first conductive via has a first terminal surface contacting the first conductive wiring layer, the second conductive via has a second terminal surface contacting the first conductive wiring layer, an area of a first cross section of the first conductive via is greater than an area of the first terminal surface of the first conductive via, and an area of a second cross section of the second conductive via is greater than an area of the second terminal surface of the second conductive via.
A semiconductor package includes a semiconductor chip; a redistribution insulating layer including a first opening; an external connection bump including a first part in the first opening; a lower bump pad including a first surface in physical contact with the first part of the external connection bump and a second surface opposite to the first surface, wherein the first surface and the redistribution insulating layer partially overlap; and a redistribution pattern that electrically connects the lower bump pad to the semiconductor chip.
A method of forming a semiconductor device includes providing a substrate that comprises a metal region, forming an encapsulant body of electrically insulating material on an upper surface of the metal region, forming an opening in the encapsulant body, and inserting a press-fit connector into the opening, wherein after inserting the press-fit connector into the opening, the press-fit connector is securely retained to the substrate and an interfacing end of the press-fit connector is electrically accessible.
In some examples, a direct current (DC)-DC power converter package comprises a controller, a conductive member, and a first field effect transistor (FET) coupled to the controller and having a first source and a first drain, the first FET coupled to a first portion of the conductive member. The package also comprises a second FET coupled to the controller and having a second source and a second drain, the second FET coupled to a second portion of the conductive member, the first and second portions of the conductive member being non-overlapping in a horizontal plane. The first and second FETs are non-overlapping.
An external terminal electrode is attached to a frame, and the frame contains a first resin, and has a first adhered surface. A heat sink plate supports the frame, has an unmounted region where a power semiconductor element is to be mounted within the frame in plan view, is made of metal, and has a second adhered surface. An adhesive layer contains a second resin different from the first resin, and adheres the first adhered surface of the frame and the second adhered surface of the heat sink plate to each other. One of the first and second adhered surfaces includes a flat portion and a protruding portion. The protruding portion protrudes from the flat portion and opposes the other one of the first adhered surface and the second adhered surface with the adhesive layer therebetween.
The present application provides a memory device having word lines with improved resistance, and a manufacturing method of the memory device. The memory device includes a semiconductor substrate defined with a peripheral region and an array region at least partially surrounded by the peripheral region, and including a first recess extending into the semiconductor substrate and disposed in the array region; an isolation structure surrounded by the semiconductor substrate and disposed in the peripheral region; and a word line disposed within the first recess, wherein the word line includes an insulating layer conformal to the first recess and a conductive member surrounded by the insulating layer, and the conductive member includes a second recess extending into the conductive member and toward the semiconductor substrate. A method of manufacturing the memory device is also disclosed.
A method for forming a semiconductor device structure is provided. The method includes providing a chip structure including a substrate and a wiring structure over a first surface of the substrate. The method includes removing a first portion of the wiring structure adjacent to the hole to widen a second portion of the hole in the wiring structure. The second portion has a first width increasing in a first direction away from the substrate. The method includes forming a first seed layer over the wiring structure and in the hole. The method includes thinning the substrate from a second surface of the substrate until the first seed layer in the hole is exposed. The method includes forming a second seed layer over the second surface of the substrate and the first seed layer in the hole.
A heat sink fastener assembly for fastening a heat sink onto a heat generating computer component. The fastener assembly includes a stud comprising at least one cam follower, and a rotatable nut defining a cam surface. A spring may be mounted to the heat generating computer component, and the spring is biased away from the heat sink. The stud is mounted to the spring and the nut is mounted to the heat sink. A clip mounted to the heat sink provides a secondary catch or attachment of the heat sink to the component.
Embodiments disclosed herein include electronic packages with chocked flow cooling. In an embodiment, an electronic package may comprise a package substrate, a die electrically and mechanically coupled to the package substrate, and a lid over the die. In an embodiment, the lid has a first opening and a second opening that is opposite from the first opening. In an embodiment, the electronic package may further comprise a coolant plate covering the first opening. In an embodiment, the coolant plate comprises a first surface facing away from the die and a second surface facing the die, and a plurality of vents from the first surface to the second surface. In an embodiment, the first openings of the plurality of vents have a first dimension and second openings of the plurality of vents have a second dimension that is smaller than the first dimension.
A thermoelectric semiconductor device includes a heat dissipating semiconductor module and a stack of flash memory dies mounted on a substrate. The heat dissipating module comprises a first semiconductor die such as a controller, and a second semiconductor die such as a thermoelectric semiconductor die to cool the first semiconductor die during operation. The thermoelectric semiconductor die may be mounted to the controller die at the wafer level.
A semiconductor structure includes a die embedded in a molding material, the die having die connectors on a first side; a first redistribution structure at the first side of the die, the first redistribution structure being electrically coupled to the die through the die connectors; a second redistribution structure at a second side of the die opposing the first side; and a thermally conductive material in the second redistribution structure, the die being interposed between the thermally conductive material and the first redistribution structure, the thermally conductive material extending through the second redistribution structure, and the thermally conductive material being electrically isolated.
A semiconductor package includes a semiconductor chip, an encapsulation body encapsulating the semiconductor chip, and a metal sheet having a first sheet surface and an opposite second sheet surface. The first sheet surface is exposed at the encapsulation body. The semiconductor chip is arranged at the second sheet surface. The first sheet surface has a pattern having first subdivisions having a first average roughness and second subdivisions having a second average roughness. The first average roughness is greater than the second average roughness.
An electronic device includes: a support member that has a metallic placement surface joined to the conductive bonding layer, and a metallic sealing surface provided on an outer side of the placement surface in an in-plane direction of the placement surface to adjoin the placement surface and to surround the placement surface; and a resin member, which is a synthetic resin molded article, joined to the sealing surface and covering the electronic component. The sealing surface includes a rough surface having a plurality of laser irradiation marks having a substantially circular shape. The rough surface includes a first region and a second region. The second region has a higher density of the laser irradiation marks in the in-plane direction than the first region.
Provided is a display panel, including a through hole, an isolation area, and a display area. The isolation area is around the through hole. The isolation area is between the through hole and the display area. The isolation area includes at least two graphic marks for detecting the hole accuracy of the through hole. The at least two graphic marks are spaced apart from each other around the through holes. Graphic marks are arranged in an isolation area of a display panel. The isolation area is between a through hole and a display area. That is, the graphic marks are around the through hole.
Provided is a vertical field-effect transistor (VFET) device which includes: a substrate; a plurality of single-fin VFETs including respective 1st fin structures on the substrate; and a plurality of multi-fin VFETs each of which includes a plurality of 2nd fin structures on the substrate, wherein a fin pitch of the 2nd fin structures is smaller than a fin pitch of the 1st fin structures.
A semiconductor device includes a single diffusion break (SDB) structure dividing a fin-shaped structure into a first portion and a second portion, an isolation structure on the SDB structure, a first spacer adjacent to the isolation structure, a metal gate adjacent to the isolation structure, a shallow trench isolation (STI around the fin-shaped structure, and a second isolation structure on the STI. Preferably, a top surface of the first spacer is lower than a top surface of the isolation structure and a bottom surface of the first spacer is lower than a bottom surface of the metal gate.
There is provided a method of processing a wafer having devices formed in respective areas on a face side thereof that are demarcated by a plurality of crossing projected dicing lines on the face side. The method of processing a wafer includes a wafer unit forming step of forming a wafer unit having a wafer, a tape, and an annular frame, a dividing step of dividing the wafer along the projected dicing lines into a plurality of device chips, a pick-up step of picking up one at a time of the device chips from the wafer unit, and a measuring step of measuring the device chip picked up in the pick-up step. The method also includes a distinguishing step, before the pick-up step, of inspecting properties of the devices to distinguish acceptable devices and defective devices among the devices and storing distinguished results.
Embodiments of the present disclosure include methods of determining scribing offsets in a hybrid laser scribing and plasma dicing process. In an embodiment, the method comprises forming a mask above a semiconductor wafer. In an embodiment, the semiconductor wafer comprises a plurality of dies separated from each other by streets. In an embodiment, the method further comprises patterning the mask and the semiconductor wafer with a laser scribing process. In an embodiment, the patterning provides openings in the streets. In an embodiment, the method further comprises removing the mask, and measuring scribing offsets of the openings relative to the streets.
Metal interconnect structures are reworked to address possible voids or other defects. Etching of initially deposited interconnect metal to open voids is followed by reflow to accumulate interconnect metal at the bottoms of trenches. Additional interconnect metal is deposited over the initially deposited interconnect metal by electroplating and/or electroless plating. Additional diffusion barrier material may be deposited and patterned prior to deposition of the additional interconnect material.
Generally, examples described herein relate to methods and processing systems for performing multiple processes in a same processing chamber on a flowable gap-fill film deposited on a substrate. In an example, a semiconductor processing system includes a processing chamber and a system controller. The system controller includes a processor and memory. The memory stores instructions, that when executed by the processor cause the system controller to: control a first process within the processing chamber performed on a substrate having thereon a film deposited by a flowable process, and control a second process within the process chamber performed on the substrate having thereon the film. The first process includes stabilizing bonds in the film to form a stabilized film. The second process includes densifying the stabilized film.
A method of inspection and an inspection system for the film deposition process for substrates that includes glass and wafer are disclosed. The inspection system includes multiple camera modules positioned in a load lock unit of a process chamber, such as the camera modules that can capture images of the substrate in the load lock. The images are analyzed by a controller of the inspection system to determine the accuracy of robots in handling the substrate, calibration of the robots based on the analysis, and defects in the substrate caused during the handling and deposition process.
A method includes placing an electronic die and a photonic die over a carrier, with a back surface of the electronic die and a front surface of the photonic die facing the carrier. The method further includes encapsulating the electronic die and the photonic die in an encapsulant, planarizing the encapsulant until an electrical connector of the electronic die and a conductive feature of the photonic die are revealed, and forming redistribution lines over the encapsulant. The redistribution lines electrically connect the electronic die to the photonic die. An optical coupler is attached to the photonic die. An optical fiber attached to the optical coupler is configured to optically couple to the photonic die.
Aspects of the present disclosure relate to methods, systems, and apparatus for conducting a radical treatment operation on a substrate prior to conducting an annealing operation on the substrate. In one implementation, a method of processing semiconductor substrates includes pre-heating a substrate, and exposing the substrate to species radicals. The exposing of the substrate to the species radicals includes a treatment temperature that is less than 300 degrees Celsius, a treatment pressure that is less than 1.0 Torr, and a treatment time that is within a range of 8.0 minutes to 12.0 minutes. The method includes annealing the substrate after the exposing of the substrate to the species radicals. The annealing includes exposing the substrate to molecules, an anneal temperature that is 300 degrees Celsius or greater, an anneal pressure that is within a range of 500 Torr to 550 Torr, and an anneal time that is less than 4.0 minutes.
A method for removing a portion of a crystalline material (e.g., SiC) substrate includes joining a surface of the substrate to a rigid carrier (e.g., >800 μm thick), with a subsurface laser damage region provided within the substrate at a depth relative to the surface. Adhesive material having a glass transition temperature above 25° C. may bond the substrate to the carrier. The crystalline material is fractured along the subsurface laser damage region to produce a bonded assembly including the carrier and a portion of the crystalline material. Fracturing of the crystalline material may be promoted by (i) application of a mechanical force proximate to at least one carrier edge to impart a bending moment in the carrier; (ii) cooling the carrier when the carrier has a greater coefficient of thermal expansion than the crystalline material; and/or (iii) applying ultrasonic energy to the crystalline material.
Provided are a substrate treatment method and a substrate treatment equipment enabling greater suppression of corrosion or oxidation of metal wiring exposed on a substrate surface. The present invention relates to a substrate treatment equipment having a treatment chamber wherein a substrate is disposed, and whereto a substrate treatment solution for treating the substrate is supplied. This equipment is provided with an inert gas filling mechanism for filling with an inert gas the interior of the treatment chamber wherein the substrate is disposed, and, near or inside the treatment chamber, a catalytic unit filled with a platinum-group metal catalyst wherethrough a hydrogen-dissolved water including hydrogen added to ultra-pure water is passed. Obtained by passing the hydrogen-dissolved water through the platinum-group metal catalyst, a hydrogen-dissolved treatment solution is supplied as the substrate treatment solution into the treatment chamber by the equipment.
Methods and apparatus for reducing particle generation in a remote plasma source (RPS) include an RPS having a first plasma source with a first electrode and a second electrode, wherein the first electrode and the second electrode are symmetrical with hollow cavities configured to induce a hollow cathode effect within the hollow cavities, and wherein the RPS provides radicals or ions into the processing volume, and a radio frequency (RF) power source configured to provide a symmetrical driving waveform on the first electrode and the second electrode to produce an anodic cycle and a cathodic cycle of the RPS, wherein the anodic cycle and the cathodic cycle operate in a hollow cathode effect mode.
A reset lockout mechanism for a circuit breaker includes a linkage, a rocker, an armature, a solenoid, and a plunger. The linkage is positioned to move between an open position and a closed position. The rocker is selectively engageable with the linkage. The armature is selectively engageable with the rocker. The plunger is supported by the solenoid and operatively coupled to the armature. The plunger is movable between a first position and a second position.
A magnetic switching arrangement including a first contact, a second contact, at least one of the first and second contacts including a magnetically responsive material, a biaser operably connected to one of the first and second contacts and biasing the one of the first and second contact into electrical connection with the other of the first and second contacts such that a closed circuit is achieved in the absence of an external force preventing closure of the first and second contacts, and a disconnector maintaining the first and second contacts spaced from one another, preventing formation of a circuit. A method for operating a tool including applying or removing a magnetic field configuration and causing a first and second contact within the tool to make electrical contact. A borehole system including a borehole in a subsurface formation, and disposed in the borehole.
A remote control device may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may be configured to be mounted over an installed mechanical switch having a paddle actuator and may include a base and a control unit that is configured to be removably attached to the base. The base may include a frame, a clamp arm, a screw, and/or a sleeve. The clamp arm may be configured to secure the base to a protruding portion of the paddle actuator. The clamp arm may be attached to the frame at a pivot joint. The clamp arm may be configured to pivot about the pivot joint. The pivot joint may be located proximate to an endpoint or a midpoint of the frame.
A light switch cover for converting a standard toggle switch into a remote-controlled toggle switch. In one embodiment, the light switch cover comprises a switch toggle member for acting upon a toggle light switch member to place the toggle light switch member into either an on position or an off position, a gear train coupled to the switch toggle member that causes the switch toggle member to act upon the toggle light switch member, an electric motor, coupled to the gear train, for driving the gear train in a first direction to cause the switch toggle member to place the toggle light switch member into the on position, and for driving the gear train in a second direction to cause the switch toggle member to place the toggle light switch member into the off position, motor driving circuitry coupled to the electric motor, a receiver for receiving signals that cause actuation of the standard toggle switch, and processing circuitry coupled to the receiver and the motor driving circuitry that causes the light switch cover to receive a signal to turn the toggle switch into the on position and, in response, causing the electric motor to rotate in a direction to cause the switch toggle member to place the toggle light switch member into the on position.
A wireless switch includes a switch body, a push button connected to the switch body in a state of being movable along an approaching/separating direction between a non-operating position and an operating position, a signal output device accommodated in the switch body and configured to output a switch signal in response to a movement of the push button from the non-operating position to the operating position, and a restriction member that restricts the movement of the push button from the non-operating position to the operation position when the push button is located at the non-operating position.
Disclosed herein is a method for fabricating an ultracapacitor, the method comprising disposing an energy storage cell comprising energy storage media within a housing; and constructing the ultracapacitor to operate within a temperature range between about 80 degrees Celsius to about 210 degrees Celsius.
A method for manufacturing a powder magnetic core, the method including: forming a soft magnetic powder (SMP) layer by putting an SMP having a surface on which an insulating coating film is formed into a space surrounded by a lower punch and a die; forming a pressed powder by compressing the SMP layer in the die by the lower punch and an upper punch; and causing the pressed powder and the die to slide relative to each other and then removing the pressed powder from the die is provided. In forming the SMP layer, a different powder different from the SMP is put into the space before and after the SMP is put into the space and a different powder layer having a spring back rate higher than that of the SMP layer by 0.6-1.1% is formed on upper and lower sides of the SMP layer.
Apparatuses, systems and methods associated with a substrate assembly with an encapsulated magnetic feature for an inductor are disclosed herein. In embodiments, a substrate assembly may include a base substrate, a magnetic feature encapsulated within the base substrate, and a coil, wherein a portion of the coil extends through the magnetic feature. Other embodiments may be described and/or claimed.
A coil component includes a support substrate, a coil portion disposed on at least one surface of the support substrate, a body including the support substrate and the coil portion disposed therein, an external electrode disposed on a surface of the body and connected to the coil portion, and an insulating layer disposed in a region of the surface of the body other than a region in which the external electrode is disposed, wherein an average roughness (Ra) of the surface of the body in contact with the external electrode is different from an average roughness (Ra) of the surface of the body in contact with the insulating layer.
A coil element according to one embodiment of the present invention has a rectangular parallelepiped shape and has a principal surface including long sides and short sides. The coil element includes a drum core, a winding wound around the drum core, a first external electrode, a second external, and a covering portion covering at least a part of the winding core. The drum core in the embodiment includes a first flange, a second flange, and a winding core connecting between the first flange and the second flange. The winding core extends along the short sides of the principal surface. In one embodiment, the coil element has a height less than 0.85 mm.
A magnetic body is constituted by grains of a soft magnetic alloy bonded together via an oxide layer, wherein: the soft magnetic alloy is an alloy containing Si by 1 to 5.5 percent by mass, and Cr or Al by 0.2 to 4 percent by mass in total, as constituent elements, with Fe and unavoidable impurities accounting for the remainder; and the oxide layer contains Si, as well as at least one of Cr and Al, where, among Fe, Si, Cr, and Al, Si is contained in the largest quantity based on mass. The magnetic body can have high magnetic permeability.
A round superconductor wire and method for fabricating same are disclosed. Embodiments are directed to a round superconductor wire including at least two superconductor tapes wound on a wire former. Each superconductor tape includes: bottom stabilizer and silver layers; substrate disposed above the bottom silver layer; buffer film stack disposed above the substrate; superconductor film disposed above the buffer film stack; top silver layer disposed above the superconductor film; and top stabilizer layer disposed above the top silver layer. At least one of the bottom stabilizer layer, bottom silver layer, substrate, buffer film stack, superconductor film, top silver layer, or top stabilizer layer is of a different width, thickness, or material composition in one of the superconductor tapes than in another of the superconductor tapes. These and other embodiments achieve a round superconductor wire having improved current density in high magnetic field applications when made in small diameters.
Hydrogen infused nuclear reactor core monoliths and processes for their production are disclosed. Such monoliths may function as both a core monolith and a moderator, providing structure and at least some moderation. Hydrogen infused monoliths may be complementary to or be used in lieu of separate moderators for thermalizing neutrons.
A nuclear reactor (1) includes a vessel (3) has a central axis (X); and a core (5) arranged in the vessel (3). The core (5) includes a plurality of nuclear fuel assemblies, a primary water layer (7) separating the core (5) from the vessel (3) radially from the central axis (X) and surrounding the core (5); and a system (9) for controlling and protecting the nuclear reactor. The control and protection system (9) includes a device (11) for continuously measuring the neutron flux emitted by the core (5). The measuring device (11) includes at least one neutron detector (12) arranged in the primary water layer (7) separating the core (5) from the vessel (3).
The present invention relates to an inertial electrostatic confinement fusion apparatus for electron injection neutralization, which includes a cathode spherical net, an anode, a cathode high-voltage introduction supporting rod, an electron gun for high-energy electron injection, a vacuum system and a high-voltage power supply system. Neutralizing electrons are injected by the electron gun for the high-energy electron injection and an inner electron gun for electron injection in the spherical net into the spherical net and between the spherical net and the anode of the inertial electrostatic confinement fusion apparatus, thereby reducing or eliminating a space charge force generated by deuterium ions, and increasing the deuterium ion density in the spherical net, so that neutron yield and a profit-loss ratio can be increased.
During operation, a computer system may apply a pretrained predictive model to information for at least a subset of a plurality of individuals, and may determine levels of uncertainty in results of the pretrained predictive model for at least the subset of the plurality of individuals. Then, the computer system may dynamically adapt a at least one threshold range based at least in part on the determined levels of uncertainty and a predefined target performance of the pretrained predictive model for the plurality of individuals. Next, the computer system may perform different remedial actions for a first group of individuals in the plurality of individuals having the results where the levels of uncertainty are within the at least one threshold range and a second group of individuals in the plurality of individuals having the results where the levels of uncertainty are outside of the at least one threshold range.
A method of generating information about a filter includes: setting at least one filter class corresponding to an operation for generating medical information of an object; setting at least one filter included in the filter class and configured to perform the operation; and setting at least one condition required to operate the filter. A method of generating medical information of an object includes: receiving at least one first content from at least one from among external apparatuses connected to a cloud; selecting a first filter that performs an operation based on the first content from among filters respectively included in a plurality of filter classes; and performing a preset operation by using the first filter.
Provided herein is an engagement and care support platform (“ECSP”) computer system including at least one processor in communication with at least one memory device for facilitating senior user engagement. The processor is programmed to: (i) register a user through an application, (ii) register a caregiver associated with the user through the application, (iii) generate a senior profile based upon user personal and scheduling data, (iv) build a daily interactive user interface that reflects the senior profile, (v) display the daily interactive user interface at a first client device associated with the user, (vi) cause the first client device to initiate a daily interaction prompt to the user, (vii) determine whether any user interaction was received in response to the daily interaction prompt, and (viii) transmit a daily update message to a second client device associated with the caregiver, including an indication of whether any user interaction was received.
Embodiments described herein provide various examples of a surgical video analysis system for segmenting surgical videos of a given surgical procedure into shorter video segments and labeling/tagging these video segments with multiple categories of machine learning descriptors. In one aspect, a process for processing surgical videos recorded during performed surgeries of a surgical procedure includes the steps of: receiving a diverse set of surgical videos associated with the surgical procedure; receiving a set of predefined phases for the surgical procedure and a set of machine learning descriptors identified for each predefined phase in the set of predefined phases; for each received surgical video, segmenting the surgical video into a set of video segments based on the set of predefined phases and for each segment of the surgical video of a given predefined phase, annotating the video segment with a corresponding set of machine learning descriptors for the given predefined phase.
The present invention includes a method for representing a plurality of pre-calculated solutions in radiation therapy that are stored in a database and displayed in a manner controllable by a user. Arrays of DVH curves provide the user with essential information on the ‘quality of a plan’. A DVH diagram is displayed as a main diagram, wherein only one of the solutions is visually represented at a time. By selecting a first starting point on a selected DVH curve as the main diagram, a first straight axis extending through the first starting point is placed. A first region, located around the first starting point and on the first straight axis, is highlighted as a first control region for controllable visualization of the plurality of currently non-displayed solutions stored in the database, the DVH curves of which correspond to the selected DVH curve and intersect the first straight axis.
A system and method for managing medication orders, including changes to those orders, is described. A server receives medication orders from a pharmacy and communicates those orders to an infusion pump. The infusion pump communicates status messages to the server and the server compares the status messages to the medication orders to determine if the there were any changes to the order, or if a medication was administered absent a medication order. The server assigns a new order identification number to the status message if needed. The system may also reconcile original medication orders with information associated with a new order identification number and stores the information in the eMAR of a patient.
To facilitate generating a record of a medical appointment with minimal user input actions, a plurality of user-selectable GUI elements indicating a respective plurality of medical case types is displayed. Responsive to a user selection indicating a type of medical case, a medical case-specific plurality of GUI question elements is dynamically displayed within a first user-selectable GUI region, each including an indicator of a subjective question regarding a condition of a patient presenting with the indicated medical case type and multiple user-selectable GUI response elements indicating multiple respective distinct patient responses to the subjective question. Within a second user-selectable GUI region, a medical case-specific plurality of GUI prompt elements is dynamically displayed, each including an indicator of a prompt to perform an objective observation of the patient presenting with the indicated medical case type and multiple user-selectable GUI input elements indicating multiple respective distinct outcomes to the prompted objective observation.
A system and method for acquiring, compiling and displaying data indicative of healthcare data workflow within an integrated healthcare enterprise simplifies the monitoring and identification of inefficiencies such as bottlenecks in the enterprise. Information gathered from enterprise system components and data files are used to measure individual component performance. System alerts and messaging capabilities allow an enterprise administrator to remedy potential bottlenecks before problems arise. Remedial measures may be programmed into the system to automatically remedy inefficiencies as they are identified.
A method for characterizing a sample comprising genetic information, comprising: (i) receiving a plurality of sequencing signals from a sequencing operation for a sample, each of the plurality of sequencing signals representing a genetic sequence; (ii) setting, based on a received sequencing signal, a bit within a bit array to a first value for the received sequencing signal, wherein a set of one or more bits is associated with a unique received sequencing signal; (iii) calculating a rate of change of bits within the bit array as new sequencing signals are received; (iv) comparing the rate of change to a predetermined threshold; and (v) identifying the sequencing operation as insufficient if the rate of change is at or above the predetermined threshold, or identifying the sequencing operation as sufficient if the rate of change is at or below the predetermined threshold.
Disclosed is a sequence analysis method for analyzing nucleic acid sequence, the sequence analysis method including: obtaining a plurality of read sequences read from the nucleic acid sequence; and determining each nucleic acid sequence by aligning each read sequence with reference to a single reference sequence, wherein the reference sequence includes at least a first rearrangement sequence and a second rearrangement sequence that is different from the first rearrangement sequence.
Somatic mutations are associated with cancer progression and treatment using targeted therapies. Somatic mutations are not inherited and could be present at low concentrations in biopsy samples. Hence, there is a need for more sensitive assays to detect these changes in the presence of heterogeneous cell populations. The efficacy of such detection is determined by two factors; the ability to detect a minimum number of copies of the target mutation in the sample (Lower limit of detection), and the ratio of target mutation to that of wild-type in the sample (Tumor content). A new algorithm Detection Index (DI) is formulated to evaluate the efficacy of detection for a molecular testing method.
Apparatuses and methods for writing and storing parameter codes for operating parameters, and selecting between the parameter codes to set an operating condition for a memory are disclosed. An example apparatus includes a first mode register and a second mode register. The first mode register is configured to store first and second parameter codes for a same operating parameter. The second mode register is configured to store a parameter code for a control parameter to select between the first and second parameter codes to set a current operating condition for the operating parameter. An example method includes storing in a first register a first parameter code for an operating parameter used to set a first memory operating condition, and further includes storing in a second register a second parameter code for the operating parameter used to set a second memory operating condition.
A memory device includes a fail test circuit configured to generate a fail flag indicating whether a failure was detected in a column line, on the basis of internal data outputted from the column line selected according to a column address, when performing a test, and control the fail flag to indicate that the failure was detected in the column line, on the basis of a fail control signal. The memory device also includes a repair information generation circuit configured to generate, from the column address, a repair column address for repairing the column line, on the basis of the fail flag.
A method for performing an erase operation of a partially programmed memory block of a non-volatile memory structure. The method comprises: (1) applying an erase voltage bias level to a channel region of the memory block, (2) applying a word line voltage level to all programmed word line(s) of the memory block, (3) applying a “float” condition to all unprogrammed word line(s) of the memory block, and (4) applying an erase verify operation to all word line(s) of the memory block, wherein the “float” condition comprises omitting application of the word line voltage to the unprogrammed word line(s).
The memory device includes a plurality of memory cell that arranged in an array, which includes a plurality of channels that are in electrical communication with a source line. The memory device also includes a controller that is configured to erase the memory cells in at least one erase pulse. During the at least one erase pulse, the controller is configured to drive the source line to an elevated voltage that is equal to an erase voltage Vera plus a kick voltage V_kick for a duration t_kick. The controller is then configured to reduce the voltage of the source line to the erase voltage Vera such that a voltage of the channel remains elevated during the entire erase pulse, including after the voltage of the source line has been reduced to the erase voltage Vera.
A processing device in a memory sub-system initiates a partial block handling protocol for a closed block of a memory device, the block comprising a plurality of wordlines. The processing device further sends a first programming command to the memory device to program one or more wordlines of the block with first padding data having a first data pattern, wherein the one or more wordlines are adjacent to a last wordline of the block programmed before the block was closed. In addition, the processing device sends a second programming command to the memory device to program all of a set of remaining wordlines of the block with second padding data having a second data pattern comprising fewer bits of data per cell than the first data pattern.
A semiconductor storage device includes a first word line, a second word line provided in the same layer with the first word line and configured to be controlled independently from the first word line, a plurality of memory pillars between the first word line and the second word line, each of the plurality of memory pillars including a first memory cell facing to the first word line and a second memory cell facing to the second word line, the plurality of memory pillars being arranged in a first direction and a second direction intersecting to the first direction and a control circuit. The control circuit is configured to perform a write operation to the second memory cell included in the plurality of memory pillars after performing a write operation to the first memory cell included in each of the plurality of memory pillars.
Control logic in a memory device initiates a program operation on a memory array, the program operation comprising a seeding phase. During the seeding phase, the control logic causes a seeding voltage to be applied to a string of memory cells in a data block of the memory array during the seeding phase of the program operation and causes a first positive voltage to be applied to a first plurality of word lines of the data block during the seeding phase, wherein each of the first plurality of word lines is coupled to a corresponding memory cell of a first plurality of memory cells in the string of memory cells, the first plurality of word lines comprising a selected word line associated with the program operation. The control logic further causes a second positive voltage to be applied to one or more second word lines coupled to one or more second memory cells on a source-side of the first plurality of memory cells in the string of memory cells during the seeding phase, wherein the second positive voltage is less than the first positive voltage.
The present disclosure relates to a shiftable memory comprising: a plurality of memory cells arranged in rows and columns, wherein the memory cells of the rows are interconnected, thereby forming chains of memory cells; at least one first serial output data port; output data logic for connecting an output of any of the chains of memory cells to the first serial output data port, or at least one first parallel output data port and at least one read shift register configured for serially collecting serial output data from the output of any of the chains of memory cells; and/or at least one first serial input data port; input data logic for connecting the first serial input data port to an input of any of the chains of memory cells, or at least one parallel input data port and at least one write shift register for serially shifting input data to the input of any of the chains of memory cells; and a controller configured to control the shifting of the data in the chains of memory cells, the controller further configured to control the output data logic and/or the input data logic. The disclosure further relates to a method for operating the shiftable memory.
Apparatuses and methods for memory including ferroelectric memory cells and dielectric memory cells are disclosed. The apparatus includes a first memory cell including first and second ferroelectric capacitors configured to store charges representing complementary logical values, a second memory cell including first and second dielectric capacitors configured to store charges representing complementary logical values, a first bit line selectably coupled to the first ferroelectric capacitor of the first memory cell and to the first dielectric capacitor of the second memory cell, a second bit line selectably coupled to the second ferroelectric capacitor of the first memory cell and to the second dielectric capacitor of the second memory cell, and a sense amplifier coupled to the first and second bit lines.
Methods, systems, and devices for storing and reading data at a memory device are described. A memory device may utilize one or more storage states to store data within a data word. The memory device may exhibit higher data leakage or more power consumption when storing or reading a first storage state compared to storing or reading one or more other storage states. In some cases, the memory device may generate a second data word corresponding to a first data word by modifying each symbol type of the first data word to generate a different symbol type for the second data word. A memory device may reduce the occurrence of a storage state associated with large data leakage, or high-power consumption, or both. Further, the memory device may generate and store an indicator indicating the transformation of a corresponding data word.
A block of dynamic memory in a DRAM device is organized to share a common set of bitlines may be erased/destroyed/randomized by concurrently activating multiple (or all) of the wordlines of the block. The data held in the sense amplifiers and cells of an active wordline may be erased by precharging the sense amplifiers and then writing precharge voltages into the cells of the open row. Rows are selectively configured to either be refreshed or not refreshed. The rows that are not refreshed will, after a time, lose their contents thereby reducing the time interval for attack. An external signal can cause the isolation of a memory device or module and initiation of automatic erasure of the memory contents of the device or module using one of the methods disclosed herein. The trigger for the external signal may be one or more of temperature changes/conditions, loss of power, and/or external commands from a controller.
A semiconductor device may include: a first receiver configured to receive a chip select signal from a receiving node to which a termination resistor is coupled and configured to generate a first internal chip select signal; a command pulse generation circuit configured to generate a command pulse for entering into a self-refresh operation based on an internal command address and the first internal chip select signal; and an operation control circuit configured to, when the semiconductor device enters the self-refresh operation based on the command pulse, generate a resistor value change signal that adjusts the value of the termination resistor.
Embodiments of the present disclosure are directed toward probabilistic in-memory computing configurations and arrangements, and configurations of probabilistic bit devices (p-bits) for probabilistic in-memory computing. concept with emerging. A probabilistic in-memory computing device includes an array of p-bits, where each p-bit is disposed at or near horizontal and vertical wires. Each p-bit is a time-varying resistor that has a time-varying resistance, which follows a desired probability distribution. The time-varying resistance of each p-bit represents a weight in a weight matrix of a stochastic neural network. During operation, an input voltage is applied to the horizontal wires to control the current through each p-bit. The currents are accumulated in the vertical wires thereby performing respective multiply-and-accumulative (MAC) operations. Other embodiments may be described and/or claimed.
A head driving device includes a head supporting portion supporting a head member, a first beam, a second beam, a first piezoelectric unit including a pair of piezoelectric elements, and a second piezoelectric unit including a pair of piezoelectric elements. When voltage is applied to the piezoelectric elements of the first piezoelectric unit, the piezoelectric elements deform, and a distal end of the first beam moves. The piezoelectric elements of the second piezoelectric unit also deform by application of voltage, and moves a distal end of the second beam in a same direction as the distal end of the first beam.
According to an embodiment, a disk drive suspension includes a load beam, a flexure including a tongue on which a slider is mounted and an outrigger connected to the tongue, and overlapping the load beam, and a damper material attached to the load beam and the outrigger. Further, the damper material has a single-layer structure of a viscoelastic material.
Embodiments of the present disclosure provide methods and systems for processing a speech signal. The method can include: processing the speech signal to generate a plurality of speech frames; generating a first number of acoustic features based on the plurality of speech frames using a frame shift at a given frequency; and generating a second number of posteriori probability vectors based on the first number of acoustic features using an acoustic model, wherein each of the posteriori probability vectors comprises probabilities of the acoustic features corresponding to a plurality of modeling units, respectively.
The present technology relates to a signal processing device and method, and a program making it possible to reduce the computational complexity of decoding at low cost.
A signal processing device includes: a priority information generation unit configured to generate priority information about an audio object on the basis of a plurality of elements expressing a feature of the audio object. The present technology may be applied to an encoding device and a decoding device.
A voice recognition method is provided. The voice recognition method includes: collecting a plurality of voice signals; extracting the voiceprint features of each of the voice signals; performing a data process on the voiceprint features, to convert the voiceprint features into a N-dimensional matrix, and N is an integer greater than or equal to 2; performing a feature normalization process on the N-dimensional matrix to obtain a plurality of voiceprint data; classifying the voiceprint data to generate a clustering result; finding out a centroid of each cluster according to the clustering result, and registering the voiceprint data adjacent to each of the centroid. The disclosure also provides an electronic device that adapted for the voice recognition method.
Implementations set forth herein relate to a system that employs an automated assistant to further interactions between a user and another application, which can provide the automated assistant with permission to initialize relevant application actions simultaneous to the user interacting with the other application. Furthermore, the system can allow the automated assistant to initialize actions of different applications, despite being actively operating a particular application. Available actions can be gleaned by the automated assistant using various application-specific schemas, which can be compared with incoming requests from a user to the automated assistant. Additional data, such as context and historical interactions, can also be used to rank and identify a suitable application action to be initialized via the automated assistant.
The present disclosure provides systems, methods, and computer-readable storage devices for enabling user management and control of responses of a virtual assistant for use in responding to questions related to multi-dwelling units without requiring reprogramming of the virtual assistant. To illustrate, a question to be answered by a virtual assistant may be received, and one or more responses to the question may be retrieved from a response database for the virtual assistant. A user interface (UI) may be provided that indicates the one or more responses. A user-selected response may be received via the UI, the user-selected response including a selected response from the one or more responses or a user-created response. An entry in the response database may be updated based on the user-selected response and a priority associated with the entry may be set, such as by increasing the priority based on user selection of the response.
A voice dialogue system includes a voice input unit which acquires a user utterance, an intention understanding unit which interprets an intention of utterance of a voice acquired by the voice input unit, a dialogue text creator which creates a text of a system utterance, and a voice output unit which outputs the system utterance as voice data. When creating a text of a system utterance, the dialogue text creator creates the text by inserting a tag in a position in the system utterance, and the intention understanding unit interprets an utterance intention of a user in accordance with whether a timing at which the user utterance is made is before or after an output of a system utterance at a position corresponding to the tag from the voice output unit.
A method for managing voice-based interaction in an Internet of things (IoT) network system is provided. The method includes identifying a first voice utterance from a first IoT device among a plurality of IoT devices in the IoT network system. Further, the method includes identifying at least one second voice utterance from at least one second IoT device among the plurality of IoT devices in the IoT network system. Further, the method includes determining a voice command by combining the first voice utterance and the at least one second voice utterance. Furthermore, the method includes triggering at least one IoT device among the plurality of IoT devices in the IoT network system to perform at least one action corresponding to the voice command.
An output method includes obtaining voice information, determining whether the voice information is a voice request, in response to the voice information being the voice request, obtaining reply information for replying to the voice request and supplemental information, transmitting the reply information and the supplemental information to an output device for outputting the reply information and the supplemental information using different parameters, such that an output of the reply information is prioritized over an output of the supplemental information, and in response to receiving a predetermined operation, outputting the reply information and the supplemental information using different parameters, such that the output of the supplemental information is prioritized over the output of the reply information. The supplemental information is information that needs to be outputted in association with the reply information.
A semantic parsing method includes extracting, by a first server, a first entity of a first slot from a first user sentence, modifying the first entity to a second entity of a second slot when the first entity is a pronoun, sending a first server request to a second server, and obtaining a first service result from the second server in response to the first service request. The first service request includes indication information of a first intention and the first entity, the second server is an application server that provides a first skill, and the first service result is based on the first intention and the first entity. The first server returns the first service result to a device to output by the device.
The present disclosure provides a method for training a linguistic model, related to fields of speech, natural language processing, deep learning technologies. A method includes: obtaining grammars corresponding to a plurality of sample texts and a slot value of a slot in each grammar by using semantic analysis; generating a grammar graph corresponding to each grammar based on the corresponding grammar and the slot value of the slot in the corresponding grammar; obtaining a weight of each grammar, a weight of each slot, and a weight of each slot value in each grammar graph based on the sample texts; determining at least one grammar frequency of each order based on the weight of each grammar, the weight of each slot, and the weight of each slot value in each grammar graph; and training the linguistic model based on the at least one grammar frequency of each order.
Disclosed herein are systems and methods for presenting an audio signal associated with presentation of a virtual object colliding with a surface. The virtual object and the surface may be associated with a mixed reality environment. Generation of the audio signal may be based on at least one of an audio stream from a microphone and a video stream form a sensor. In some embodiments, the collision between the virtual object and the surface is associated with a footstep on the surface.
The application relates to a wheel with a sound absorption device, wherein the sound absorption device is arranged in a wheel air chamber to reduce acoustic resonance, the sound absorption device comprises two resonance sound absorption structure units which are connected in parallel, a first sound absorption frequency band of a first resonance sound absorption structure unit and a second sound absorption frequency band of a second resonance sound absorption structure unit are adjacent to each other or partially overlap with each other, and the resonance frequency of the wheel air chamber is contained at the adjacent part of the first sound absorption frequency band and the second sound absorption frequency band or in the overlapping area of the first sound absorption frequency band and the second sound absorption frequency band.
A signal output device comprising a housing, a fastener that attaches the housing to an object that includes a portion to be struck, an arm section attached to the housing, an extension section extending from the arm section and configured to contact the portion to be struck, a first sensor that detects vibration transmitted to the arm section and outputs a vibration signal representing the vibration, a second sensor provided on the housing and that detects vibration transmitted to the housing, and an output terminal that outputs the vibration detected by at least one of the first sensor or the second sensor.
Methods for driving an electrophoretic medium including two pairs of oppositely charged particles. The first pair including a first type of positive particles and a first type of negative particles and the second pair consists of a second type of positive particles and a second type of negative particles, wherein the first pair of particles and the second pair of particles have different charge magnitudes (identifiable as zeta potentials). In particular, the driving methods produce cleaner optical stakes of the lesser-charged particles with less contamination from the other particles and more consistent electro-optical performance when the intermediate driving voltages are modified.
An electronic device is disclosed that includes a display panel, a data driving circuit, a scan driving circuit, and a driving controller. The driving controller generates image data based on a received image signal. The driving controller includes a minimum emission gray level determining unit that determines a gray level of the image signal, a pattern determining unit that determines a dither pattern of the image signal, a driving frequency sensing unit that determines a driving frequency of the image signal, and a data compensation unit that compensates for the image data based on the gray level and at least one of the dither pattern and the driving frequency.
A display device comprises a first display area comprising stages, and gate input lines electrically connected to the stages and extending in a first direction, a second display area adjacent to the first display area in a second direction intersecting the first direction and comprising data lines, a third display area adjacent to the second display area in the second direction and comprising data lines, connection lines electrically connected to the data lines of the third display area via the second display area, and bypass lines electrically connected to the stages via the third display area and the second display area.
An organic light-emitting diode control circuit includes an organic light-emitting diode, an input control module and a protection module. The input control module is enabled in response to a scan signal provided by the scan line, and controls an operation of the organic light-emitting diode based on a data signal provided by the data line. The protection module can detect the current passing through the organic light-emitting diode or voltage across the same, and control the input control module to cut off the power supply of the organic light-emitting diode when the current of the organic light-emitting diode or the voltage across the same is greater than a preset value.
A display device including: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.
A display device includes: a display panel including a plurality of pixels; a scan driver connected to the plurality of pixels through a plurality of scan lines; a data driver connected to the plurality of pixels through a plurality of data lines; an emission driver connected to the plurality of pixels through a plurality of emission control lines; a sensing circuit connected to the plurality of pixels through a plurality of sensing lines; and a controller configured to control the scan driver, the data driver, the emission driver and the sensing circuit, wherein, in an active period of each frame period, the scan driver sequentially applies a sensing pulse and a scan pulse to at least one scan line of the plurality of scan lines, and applies the scan pulse to remaining scan lines of the plurality of scan lines.
A display device includes: a base layer comprising a display area and a non-display area surrounding at least a portion of the display area; an insulating layer on the base layer and having an engraved pattern formed by removing at least a portion thereof in a thickness direction to overlap the non-display area; a light emitting element overlapping the display area and on the base layer; and an organic layer overlapping the display area and the non-display area, covering at least a portion of the engraved pattern, and on the light emitting element, wherein the engraved pattern comprises an extension portion extending in an extension direction along one side of the display area and protruding portions protruding from the extension portion to a cross direction away from the display area and spaced apart from each other.
Provided are a display panel and a display device. The display panel includes multiple pixel units, multiple scan lines, multiple data lines, a multiplexer and h control signal lines. In a same data write stage of the display panel, during a first stage, data signals are written into the multiple data lines at an enable duration of a j-th control signal, during a second stage, a first scan enable voltage edge of an i-th scan signal is located behind a first control enable voltage edge of the j-th control signal, and the data signals on the multiple data lines are written into the multiple pixel units; and a second scan enable voltage edge of the i-th scan signal in a m-th data write stage is located before a second control enable voltage edge of an n-th control signal in a (m+1)-th data write stage.
A display apparatus and a compensation circuit are provided. The display apparatus includes a display screen, a sound reproduction device and a power supply circuit. The power supply circuit includes a rectifier circuit and a compensation circuit. The rectifier circuit is used to convert an alternating current to a direct current. The compensation circuit is used to compensate for a parasitic signal of a synchronous rectification MOSFET in the rectifier circuit, thereby reducing heat generated by the MOSFET.
A display device includes a timing controller and a grayscale unit electrically connected to the timing controller. The timing controller may generate first data for a pixel for a previous frame and first data for the pixel for a current frame. The grayscale unit may output a black-corresponding grayscale as second data for the pixel when a predetermined condition is satisfied. The black-corresponding grayscale corresponds to black. The predetermined condition may include that the first data for the pixel for the previous frame is in a predetermined second gray scale range and that the first data for the pixel for the current frame is in a predetermined first grayscale range. The predetermined first grayscale range may be between the predetermined second grayscale range and the black-corresponding grayscale.
An adaptive billboard frame mount system, and methods of use thereof, that is configured to mount to a plurality of fixedly positioned pre-existing poles. The billboard frame mount system includes a frame assembly and a plurality of mount assemblies configured to be coupled to the plurality of fixedly positioned pre-existing poles and the frame assembly such that a formed frame of the frame assembly can be positioned in a display plane that is oriented at a desired angle relative to vertical.
An input device for providing user input to a computing device includes a seat portion allowing a user to sit on the device. The input device further includes several human interface devices having positional sensors that detect changes in rotation or translation of a movable tactile surface with respect to a fixed tactile surface and provide a signal indicative thereof. These signals are used are used by a computer to change an image of virtual fixed and movable surfaces within a head mounted display.
Technologies for providing augmented reality wayfinding experiences in ridesharing applications are provided. In some examples, a method for providing augmented reality wayfinding experiences can include determining a first location of an autonomous vehicle (AV) relative to a second location of a client device associated with a user that requested a ride from the AV; based on the first location of the AV relative to the second location of the client device, determining a direction from the second location of the client device to the first location of the AV; presenting, at the client device, a feed from a camera sensor associated with the client device, the feed including a local scene captured by the camera sensor; and presenting a virtual content overlay on the feed, the virtual content overlay including an indication of the direction from the second location of the client device to the first location of the AV.
Provided is a method for providing a safety service in a wireless communication system via a host vehicle. The method may include: detecting an object outside the host vehicle through an object detection device; transmitting a first message providing notification of the detection of the object through a transmitter and a receiver; and outputting an image, for providing the object with the safety service, through an image output device to a prescribed area outside the host vehicle.
A system for crowdsourcing reporting of road conditions from abnormal vehicle events. Abnormal vehicle events (such as sudden braking, sharp turns, evasive actions, pothole impact, etc.) can be detected and reported to a road condition monitoring system (RCMS). The RCMS can identify patterns in reported road conditions to generate advisory information or instructions for vehicles and users of vehicles. For example, suspected obstacles can be identified and used to instruct a driver or a vehicle to slow down gradually to avoid sudden braking and sharp turns. In some examples, a vehicle can have a camera that can upload an image of a suspected obstacle (e.g., a pothole) to allow the positive identification of a road problem. This provides the RCMS with more confidence to take a corrective action, such as an automated call to a road repair service.
A vehicle communication system includes: a communication server and a vehicle control device. The vehicle control device includes at least one electronic control unit configured to: recognize a position of the host vehicle; acquire section information on the communication established section and the communication interrupted section; determine in which section, either the communication established section or the communication interrupted section, the host vehicle is traveling or is to travel; perform system driven control of the host vehicle based on the road condition information when the host vehicle travels in the communication established section; and perform driver driven control of the host vehicle when the host vehicle travels in the communication interrupted section.
An alert system and method comprising at least one alert beacon having one or more sensors (e.g., LiDAR sensor). The alert beacon further including a processor operable to poll the LiDAR sensor for a predefined number of beta readings in response to receiving an initial reading from the LiDAR sensor indicating a vehicle is within a predefined distance away from the alert beacon. The processor further being operable to calculate an average distance and an average velocity for the vehicle in response to receiving the predefined number of beta readings when the vehicle is within the predefined distance from the alert beacon. The processor also being operable to activate an audible alert and a visual alert when the average distance is below a distance threshold and the average velocity exceeds a velocity threshold in response to calculating the average distance and the average velocity.
A computer-implemented method for generating a speeding ticket. The method includes generating a first image of at least a part of a vehicle by a first camera, detecting a first set of the characters of the number plate of the vehicle dependent on the first image, and generating a secured file by a first camera using the first set of the characters and a first character code. The method further includes generating a second image of the part of the vehicle by a second camera and detecting a second set of the characters of the number plate dependent on the second image. The method further includes generating the speeding ticket, in response to determining that the vehicle violates a speed limit and in response to verifying that the first set of the characters is equal to the second set of the characters.
An approach is provided for determining tunnel speed for a vehicle travelling through a tunnel. A tunnel processing platform aggregates probe data associated with at least one vehicle into at least one tunnel path based, at least in part, on a network geometry topology for at least one tunnel. The tunnel processing platform also designates at least one probe point collected upstream of the at least one tunnel as at least one starting point of the at least one tunnel path and at least one temporary probe point as at least one endpoint of the at least one tunnel path, wherein the at least one temporary probe point is downstream of the at least one tunnel. It then determines at least one temporary tunnel speed for the at least one tunnel path based, at least in part, on the timestamp for the at least one probe point and the current time associated with the at least one temporary probe point.
Disclosed herein is method and congestion management system for reducing road congestion. Traffic data related to plurality of vehicles is analyzed by a trained traffic model for predicting speed of each vehicle and signal time associated with intersection points. Optimal speed for each vehicle and an optimal signal time for each of the intersection points is determined based on analysis of the previous values and historic traffic data. The determined optimal speed and the optimal signal time are respectively provided to a vehicle control system associated with each vehicle and a traffic controller associated with each intersection point. In an embodiment, the method of present disclosure reduces traffic congestion on any selected portion of road. Further, the method of present disclosure eliminates and/or minimizes number of instances that a vehicle has to stop/start at the traffic signals, thereby enhancing fuel economy and reducing waiting time for the vehicles.
A map generation system includes a vehicle including a terminal, an input data compilation device, and an output data compilation device. The input data compilation device includes a data reception unit, a data accumulation unit, and a current state map data creation unit. The data reception unit communicates with a communication unit of the terminal. The data accumulation unit accumulates data held by the terminal. The current state map data creation unit creates current state map data using data accumulated by the data accumulation unit, and map data, regional data, or both. The output data compilation device includes a forward region calculation unit and a calculation transmission unit. The forward region calculation unit makes predictive calculation of a forward region of the vehicle, using the current state map data. The calculation transmission unit communicates with the communication unit regarding a result of the predictive calculation.
The present invention relates to a pedestrian device and a traffic safety assistance method which can effectively and properly support pedestrian's safety confirmation by utilizing vehicle-to-pedestrian communications and an AR device. A pedestrian device of the present invention includes: an ITS communication device 21 (pedestrian-vehicle communication device) configured to perform vehicle-to-pedestrian communications with an in-vehicle terminal 2; a processor 32 configured to determine if there is a risk of collision based on information transmitted to and received from the in-vehicle device, and control provision of an alert to a user of the pedestrian device; and an AR display 26 for displaying a virtual object overlaid on a real space which can be seen by the user, wherein the processor controls display of the virtual object (virtual terminal) on the AR display as an alert operation to provide an alert to the user.
A thermal stimulus presentation device 1 for presenting a thermal stimulus in the mouth includes a presentation unit 13 that presents the thermal stimulus in the mouth, a receiving unit 11 that receives notification information for notifying a user, and a control unit 12 that controls the thermal stimulus of the presentation unit 13, upon the notification information being received, the presentation unit 13 presenting the thermal stimulus in the mouth in accordance with the control of the control unit 11.
Systems and methods for reporting account and sensor configuration information to a central system are disclosed. A security, monitoring, and automation (SMA) system may operate one or more sensors according to sensor configuration information. The sensor configuration information may be used by a remote monitoring system to send notification messages based on sensor events from the SMA system. The sensor configuration information may be transmitted to the remote monitoring system via another remote computing system. The computing system may format the sensor configuration information to a format compatible with the remote monitoring system and transmit the formatted sensor configuration information to the remote monitoring system.
A person-detection device that automatically configures itself as a motion sensor or an occupancy sensor upon receiving a command from a home security panel or home automation hub.
A power distribution equipment personnel safety system includes a vicinity sensor and a power distribution equipment sensor. An outer envelope having a door or cover to an interior of the power distribution equipment is monitored by a vicinity sensor data and a processing unit determines a position of a person in the area outside of the door/cover using vicinity sensor data. When the outer envelope is disturbed where one or more doors or one or more covers are open or not correctly closed or one or more covers are removed, the processing unit determines a personnel safety state and at least one action comprising utilization of the personnel safety state.
Devices, systems, and methods for a lid of an aspirating smoke detector device are described herein. In some examples, one or more embodiments include an aspirating smoke detector device, comprising a plurality of light pipes, a cover including a plurality of apertures to interface with the plurality of light pipes, a housing including a housing inlet and a housing outlet, and a reversible lid connectable to the cover in a first lid orientation and a second lid orientation, where when the cover and the housing are in a first device orientation, the reversible lid is to connect to the cover in the first lid orientation and when the cover and the housing are in a second device orientation, the reversible lid is to connect to the cover in the second lid orientation.
An upright gaming machine includes a game determination component that facilitates a wager-based game result, input/output devices coupled to the game determination component, a gaming machine cabinet housing various gaming machine components, and lower and cash access doors located about the gaming machine cabinet. The lower door can be fully removable from the gaming machine, can facilitate access to an internal belly region, and can include a tethered locking arrangement having rotary latches, stationary pins, and a tether. The cash door includes a virtual pivot hinge opening arrangement that moves the cash door in a swivel motion from a closed position to an open position, where the swivel motion of the cash door is about a virtual axis having a center of rotation for which no physical component passes therethrough.
An image of a check is captured by an imaging device and processing of the digital image of the check for deposit at a remote server may be accomplished with a downloaded software application on a portable computing device associated with the imaging device. The downloaded application may include one or more trained machine learning models for processing the captured image. The portable computing device may utilize deterministic algorithms for certain image processing tasks and machine learning models for others. The selection between machine learning and deterministic processing may be made locally on the portable device or in response to instructions from an institution server to use a particular processing method.
A removable cassette housing for rebalancing bills among storage cassettes is disclosed. The removable cassette housing includes a first docking apparatus and a second docking apparatus structured to receive a first storage cassette and a second storage cassette, respectively, a transport apparatus operatively coupled to the docking apparatuses and a computing system. The transport apparatus is structured to facilitate transferring the bills among the storage cassettes. The computing system is structured to generate a first storage data packet and a second storage data packet associated with the first storage cassette and the second storage cassette, respectively. The computing system is also structured to generate a rebalancing instruction based on at least one of the first storage data packet and the second storage data packet. The cassette housing is structured to cause the transport apparatus to transport bills based on a rebalancing instruction.
A device connectable to a reader of an access control system includes an antenna, an ultra-wide band (UWB) front end circuit, a controller, and a communication link. The (UWB) front end circuit is connected to the antenna to facilitate UWB communication with a credential device. The controller is connected to the UWB front end and configured to perform ranging for the credential device using the UWB communication. The communication link is configured to interface with the reader.
A system for providing credential activation layered security is disclosed. In particular, the system adds a layer of additional security at ingress and egress points of a location, such as a building. When a user attempts to check in at the location, the user may provide a proof of physical presence, a proof of digital presence, or a combination thereof, such as at a device at the location. In order to activate a credential for accessing physical and/or logical access control systems of the location, the system may authenticate the proof of physical presence, the proof of digital presence, or both. If the system authenticates the user, the user may be checked-in and the credential may be activated so that the user may access the physical and/or logical access control systems of the location so as to gain access to the ingress point or exit via the egress point.