-
公开(公告)号：US11950141B2
公开(公告)日：2024-04-02
申请号：US17942989
申请日：2022-09-12
申请人： Apple Inc.
发明人： Anatoliy Sergey Toffe , Lydi Smaini , Rastislav Vazny , Ronald William Dimpflmaier , Alexander Sayenko
IPC分类号： H04W28/20 , H04W28/08 , H04W28/26 , H04W72/0453
CPC分类号： H04W28/20 , H04W28/0831 , H04W28/26 , H04W72/0453
摘要： An electronic device discussed herein may include radio frequency communication circuitry for communication on a radio frequency network according to a communication configuration, a processor, and memory. The memory may store instructions that, when executed by the processor, cause the electronic device to perform operations including receiving, a first muting configuration indicating when the radio frequency communication circuitry is to communicate using a first type of communication on a first frequency band and when the radio frequency communication circuitry is to communicate using a second type of communication on a second frequency band, where the first frequency band may overlap with the second frequency band. The memory may store instructions that, when executed by the processor, cause the electronic device to perform operations including transmitting or receiving a data packet using the radio frequency communication circuitry according to the communication configuration.
-
公开(公告)号：US20240088921A1
公开(公告)日：2024-03-14
申请号：US17945023
申请日：2022-09-14
申请人： Apple Inc.
CPC分类号： H04B1/0057 , H04B1/04 , H04B1/10
摘要： A communication device includes a duplexer differentially coupled to a receiver and a transmitter. The duplexer may include phase shifters on the differential lines to provide differential received signals to the receiver and receive differential transmission signals from the transmitter for transmission. For example, the phase shifter are positioned such that single-ended received signals may be converted to differential received signals and convert the differential transmission signals to single-ended transmission signals for transmission. Moreover, the phase shifters may provide the single-ended transmission signals to antennas for transmission and to the differential lines of the receiver for cancellation/isolation. Furthermore, the phase shifters may provide the differential received signals to the receiver for reception and provide the single-ended received signals to the differential lines of the transmitter for cancellation/isolation. Accordingly, the duplexer may convey communication signal while reducing signal interference by providing improved isolation.
-
公开(公告)号：US20240088538A1
公开(公告)日：2024-03-14
申请号：US17932275
申请日：2022-09-14
申请人： Apple Inc.
摘要： An electronic device may include isolation circuitry coupled between a transmitter, a receiver, and one or more antennas. The isolation circuitry may include a 90 degree hybrid coupler configured receive a transmission (TX) signal from the transmitter, split the TX signal into a first portion and a second portion, and phase-shift a portion such that the portions are +90 degrees out-of-phase. The isolation circuitry may include phase shifters that phase-shift the portions such that the portions are in-phase prior to propagating to the antenna. The phase shifters may receive a first portion and a second portion of a receiver (RX) signal from splitter circuitry. The phase shifters may phase-shift the portions such that the portions are out-of-phase by −90 degrees. The 90 degree hybrid coupler may phase-shift the first portion and/or the second portion such that the portions are in-phase and constructively combine prior to propagating to the receiver.
-
公开(公告)号：US11800405B2
公开(公告)日：2023-10-24
申请号：US17081785
申请日：2020-10-27
申请人： Apple Inc.
发明人： Anatoliy Sergey Ioffe , Lydi Smaini , Rastislav Vazny , Ronald William Dimpflmaier , Alexander Sayenko
IPC分类号： H04W28/20 , H04W72/0453 , H04W28/08 , H04W28/26
CPC分类号： H04W28/20 , H04W28/0831 , H04W28/26 , H04W72/0453
摘要： An electronic device discussed herein may include radio frequency communication circuitry for communication on a radio frequency network according to a communication configuration, a processor, and memory. The memory may store instructions that, when executed by the processor, cause the electronic device to perform operations including receiving, a first muting configuration indicating when the radio frequency communication circuitry is to communicate using a first type of communication on a first frequency band and when the radio frequency communication circuitry is to communicate using a second type of communication on a second frequency band, where the first frequency band may overlap with the second frequency band. The memory may store instructions that, when executed by the processor, cause the electronic device to perform operations including transmitting or receiving a data packet using the radio frequency communication circuitry according to the communication configuration.
-
公开(公告)号：US20230006629A1
公开(公告)日：2023-01-05
申请号：US17366692
申请日：2021-07-02
申请人： Apple Inc.
发明人： Björn Lenhart , Joonhoi Hur , Harald Pretl , Rastislav Vazny
摘要： This disclosure provides techniques for impedance matching. A radio frequency (RF) device includes a power detector to determine a transmitter leakage and a post-processing unit to determine a receiver leakage, and determines if isolation is acceptable based on the leakages. The RF device may include a device for measuring antenna impedance. Otherwise, the RF device may select multiple tuner settings (e.g., capacitor values) for test signals to be transmitted and received at a target frequency, determine multiple sets of leakage values, determine multiple reflection coefficients based on the multiple sets of leakage values, and determine an estimated antenna impedance at the target frequency based on the reflection coefficients. The RF device then determines impedance tuner settings based on the measured or estimated antenna impedance. Alternatively, the RF device determines impedance tuner settings using an inverse machine-learning model based on a determined matching impedance.
-
公开(公告)号：US20220381900A1
公开(公告)日：2022-12-01
申请号：US17332221
申请日：2021-05-27
申请人： Apple Inc.
摘要： An electronic device may include a voltage standing wave ratio (VSWR) sensor disposed along a radio-frequency transmission line between a signal generator and an antenna. The VSWR sensor may gather VSWR measurements from radio-frequency signals transmitted by the signal generator over the transmission line. Control circuitry may identify a variation in the VSWR measurements over time and may compare the variation to a threshold value to determine whether an external object in the vicinity of the antenna is animate or inanimate. The control circuitry may reduce the maximum transmit power level of the antenna when the external object is animate and may maintain or increase the maximum transmit power level when the external object is inanimate. This may serve to maximize the wireless performance of the electronic device while also ensuring that the device complies with regulatory limits on radio-frequency energy exposure.
-
公开(公告)号：US20220302900A1
公开(公告)日：2022-09-22
申请号：US17833544
申请日：2022-06-06
申请人： Apple Inc.
摘要： Systems, methods, and devices for reducing insertion loss and/or swapping transmitter (TX) and receiver (RX) frequencies in an electrical balance duplexer (EBD) used in a transceiver device for frequency division duplexing (FDD) applications are provided. Feed-forward receiver path from the antenna to a low noise amplifier (LNA) and a feed-forward path from the antenna to a power amplifier (PA) of the EBD may be used for reducing insertion loss of the RX and TX signals. In some embodiments, switches may be used to selectively alter operational modes for varied levels of isolation and/or swapping of TX and RX frequencies.
-
公开(公告)号：US11310869B2
公开(公告)日：2022-04-19
申请号：US15716730
申请日：2017-09-27
申请人： Apple Inc.
摘要： A portable electronic device includes a baseband integrated circuit configured to generate communication data and control signals. The portable electronic device also includes an optical path configured to be coupled to the baseband integrated circuit to transmit the data signals from the baseband integrated circuit. The portable electronic device additionally includes a radiohead configured to be coupled to the optical path to receive the data signals transmitted along the optical path from the baseband integrated circuit.
-
公开(公告)号：US20220116009A1
公开(公告)日：2022-04-14
申请号：US17480885
申请日：2021-09-21
申请人： Apple Inc.
发明人： Oliver Georg Dorn , Joonhoi Hur , Rastislav Vazny
摘要： Embodiments presented herein relate to isolating a receiver circuit of an electronic device from a transmission signal and from a noise signal at a frequency range of a received signal. To do so, an isolation circuit is disposed between the receiver circuit and a transmission circuit. The isolation circuit may include multiple variable impedance devices and one or more antennas. The impedances of the variable impedance devices and the one or more antennas may be balanced such that the receiver circuit is effectively removed from the transceiver circuitry and isolated from the transmission signal. The impedance of the variable impedance devices and the one or more antennas may also be configured to isolate the receiver circuit from a noise signal generated at the transmission circuit having a frequency in the range of the receive signal.
-
公开(公告)号：US20220116008A1
公开(公告)日：2022-04-14
申请号：US17067017
申请日：2020-10-09
申请人： Apple Inc.
发明人： Oliver Georg Dorn , Joonhoi Hur , Rastislav Vazny
摘要： Embodiments presented herein relate to isolating a receiver circuit of an electronic device from a transmission signal and from a noise signal at a frequency range of a received signal. To do so, an isolation circuit is disposed between the receiver circuit and a transmission circuit. The isolation circuit may include multiple variable impedance devices and one or more antennas. The impedances of the variable impedance devices and the one or more antennas may be balanced such that the receiver circuit is effectively removed from the transceiver circuitry and isolated from the transmission signal. The impedance of the variable impedance devices and the one or more antennas may also be configured to isolate the receiver circuit from a noise signal generated at the transmission circuit having a frequency in the range of the receive signal.
-
-
-
-
-
-
-
-
-
搜索结果
88 条记录 (耗时 0.023 秒)
