Abstract:
The present invention relates to a PCB drilling method including: performing a drilling motion from an initial location, and generating a first electrical signal when coming into contact with a first conductive layer of the PCB, determining a first conductive location according to the first electrical signal, and obtaining first Z-coordinate information continuing to perform the drilling motion after drilling through the first conductive layer, and generating a second electrical signal when coming into contact with a second conductive layer, determining a second conductive location according to the second electrical signal, and obtaining second Z-coordinate information; continuing to perform the drilling motion and drilling through the PCB to obtain a through hole; and performing backdrilling in the location of the through hole according to a preset depth, and the preset depth is a medium thickness between the second conductive layer and the first conductive layer plus a compensation depth.
Abstract:
A method includes when a triggering instruction for triggering a periodic (buffer status report) BSR is received, obtaining a priority of a logical channel to which uplink data that is being sent belongs, and obtaining a priority of a logical channel to which the periodic BSR belongs, determining whether a priority of the uplink data is higher than a priority of the periodic BSR, and sending the uplink data to a base station at a priority higher than the priority of the periodic BSR when the priority of the uplink data is higher than the priority of the periodic BSR, or sending the periodic BSR to a base station at a priority higher than the priority of the uplink data when the priority of the uplink data is lower than the priority of the periodic BSR.
Abstract:
A method, a terminal, and a base station for asynchronous uplink transmission are provided, to reduce an uplink data transmission latency and signaling overheads when a terminal and a base station are in out-of-synchronization state. The method includes: obtaining asynchronous transmission parameter information that is the same as that of a base station, where asynchronous transmission parameter information includes physical resource information, modulation and coding scheme information, and physical resource frame format information, and the physical resource frame format information includes length information of a physical resource frame; determining a length of an asynchronous transmission frame according to the physical resource frame format information; and sending first uplink information to the base station according to the asynchronous transmission parameter information by using the asynchronous transmission frame.
Abstract:
A communications method and device for multi-carrier aggregation, where the method includes: grouping by a base station, N serving cells into K cell groups, where N is an integer greater than zero, and K is an integer less than N, sending, by the base station, a cell grouping message to user equipment (UE), where the cell grouping message indicates that the N serving cells are grouped into the K cell groups, and communicating, by the base station, with the UE according to the K cell groups. Hence, signaling overheads can be reduced.
Abstract:
A measurement apparatus and method. The method includes sending, by a radio access network system, information about a subframe mode corresponding to at least one beam, where the information about the subframe mode instructs a UE to perform measurement according to the information about the subframe mode, and the method further includes receiving, by the radio access network system, a measurement result sent by the UE. The measurement apparatus and method can be used to perform the measurement in a millimeter wave scenario.
Abstract:
A measurement method and a device are provided. The method includes: instructing, by a network device, user equipment to perform measurement by using an enhanced measurement manner; and receiving, by the network device, a measurement result reported by the user equipment, where the enhanced measurement manner comprises performing measurement on a pre-specified measurement resource, or performing measurement on measurement resources corresponding to at least two sets that are configured by the network device for the user equipment.
Abstract:
Embodiments of the present invention provide a paging method, apparatus, and system, so as to implement paging of UE in an area with relatively poor signal coverage. UE includes: a receiving unit, configured to receive a broadcast message sent by a base station; and a determining unit, configured to determine whether the UE is first UE where the determining unit is further configured to: in a case in which it is determined that the UE is the first UE, determine a start PF and a start PO according to the first radio frame parameter; the determining unit is further configured to determine a first subframe set according to the start PF and the start PO; and the receiving unit is further configured to receive, according to the start PF, the start PO, and the first subframe set, a paging message sent by the base station.
Abstract:
A data transmission method and an apparatus are provided. The method includes: determining, by a base station, a time-domain interval of available time-frequency resources in an unlicensed spectrum, where the available time-frequency resources are continuous time-frequency resources in a time domain; sending, by the base station, a preamble signal in a first subframe in the interval, where the first subframe is an initial subframe in the interval; and sending, by the base station, downlink control information and data after sending the preamble signal, where the data is in the first subframe, the downlink control information includes scheduling indication information, and the scheduling indication information is used to indicate a frequency-domain location of the data. According to the present invention, spectrum utilization can be improved.
Abstract:
A method and apparatus for determining data transmission are disclosed. In an embodiment, the method includes determining, by a communication device, that a current subframe belongs to a first time segment, where the first time segment is a time segment in which scheduling is allowed on a secondary component carrier; and determining, by the communication device, data transmission of the current subframe.
Abstract:
Embodiments of the present invention disclose a random access response receiving and sending method, a user equipment, a base station, and a system. The method includes: after sending a dedicated random access preamble to a network side, on a physical downlink control channel, according to a pre-obtained dedicated identifier, detecting control signaling masked by using the dedicated identifier, where the dedicated identifier is a user equipment-specific temporary identifier configured by the network side for the user equipment, and the control signaling includes information about a physical downlink shared channel used to send a random access response and information required for decoding the random access response; and receiving the random access response on a corresponding physical downlink shared channel according to the control signaling.