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公开(公告)号:US20230101442A1
公开(公告)日:2023-03-30
申请号:US17799787
申请日:2020-03-13
Applicant: Huawei Technologies Co., Ltd.
Inventor: Pengfei Xia , Bin Liu , Young Hoon Kwon
Abstract: A method for sidelink beam acquisition for device to device (D2D) communication includes calculating, by a base station, one or more first directions, where the one or more first directions are directions of a second electronic device located relative to a first electronic device; calculating, by the base station, one or more second directions, where the one or more second directions are directions of the first electronic device located relative to the second electronic device; transmitting, by the base station and to the first electronic device, the one or more first directions; and transmitting, by the base station and to the second electronic device, the one or more second directions.
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公开(公告)号:US20220303909A1
公开(公告)日:2022-09-22
申请号:US17633528
申请日:2019-08-06
Applicant: Huawei Technologies Co., Ltd.
Inventor: Young Hoon Kwon , Pengfei Xia , Bin Liu
Abstract: A method implemented by a first device includes estimating a first pathloss between the first device and a serving access node with respect to a sidelink beam between the first device and a second device, the sidelink beam being used by the first device to make a device-to-device (D2D) transmission to the second device, determining a sidelink transmit power for a sidelink transmission between the first device and the second device in accordance with the first pathloss, and transmitting, to the second device, the sidelink transmission in accordance with the sidelink transmit power.
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公开(公告)号:US20210329480A1
公开(公告)日:2021-10-21
申请号:US17259101
申请日:2018-09-24
Applicant: Huawei Technologies Co., Ltd.
Inventor: Pengfei Xia , Young Hoon Kwon , Bin Liu
Abstract: A computer-implemented method includes sending, by an access node, to a user equipment (UE) configuration information for a beam quality reference signal (BQRS) that is associated with a discontinuous reception (DRX)-ON period used for sending a physical downlink control channel (PDCCH) to the UE, wherein the BQRS has a spatial quasi-collocated (QCL) relationship with either the PDCCH or a demodulation reference signal (DMRS) of the PDCCH. The method further includes sending, by the access node, the BQRS to the UE.
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公开(公告)号:US20210297139A1
公开(公告)日:2021-09-23
申请号:US17257836
申请日:2019-01-26
Applicant: Huawei Technologies Co., Ltd.
Inventor: Young Hoon Kwon , Pengfei Xia
Abstract: Embodiments of the present disclosure provide an apparatus and method for beam failure recovery between a UE and a base station operating in a discontinuous reception (DRX) mode. In an embodiment, the UE receives a frame from a base station for determining a radio link quality of a physical downlink control channel (PDCCH). The UE determines whether the frame is received only during the DRX ON state of the DRX mode and that the radio link quality of the PDCCH is less than an acceptable quality threshold. In response, the UE transmits a recovery message to the base station indicating a change to a communication beam used to receive the frame.
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公开(公告)号:US11070345B2
公开(公告)日:2021-07-20
申请号:US17004571
申请日:2020-08-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Young Hoon Kwon , Pengfei Xia
IPC: H04L5/00 , H04B7/06 , H04B7/0456
Abstract: A method performed by a base station for measuring a channel state information reference signal (CSI-RS) for non-codebook based uplink (UL) transmission. The method includes transmitting information relating to a sounding reference signal (SRS) resource set for the non-codebook based UL transmission, information relating to a CSI-RS resource, a CSI-RS over the CSI-RS resource, and information relating to CSI-RS measurement restriction for measurement of the CSI-RS according to the CSI-RS measurement restriction. The measurement is for determining precoding information for the SRS resource set. The method includes receiving the SRS resource set, measuring the SRS resource set, and determining one or more SRS resources within the SRS resource set to be used for precoding the UL transmission. The method further includes transmitting a downlink control information (DCI) that indicates the SRS resources within the SRS resource set to be used for precoding the UL transmission, and receiving the UL transmission.
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公开(公告)号:US12267195B2
公开(公告)日:2025-04-01
申请号:US17279816
申请日:2019-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor: Pengfei Xia , Young Hoon Kwon , Bin Liu
Abstract: A computer-implemented method for operating a receiving device includes receiving a configuration for a first signal, wherein the first signal is configured for transmission in a first subcarrier spacing, wherein symbols of the first signal are each repeated an integer number of times, and wherein the integer number is equal to a ratio of a second subcarrier spacing to the first subcarrier spacing, and receiving the first signal in accordance with the second subcarrier spacing.
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公开(公告)号:US12022464B2
公开(公告)日:2024-06-25
申请号:US17261153
申请日:2019-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor: Young Hoon Kwon , Pengfei Xia
IPC: H04W72/1273 , H04W52/02 , H04W72/23 , H04W72/566
CPC classification number: H04W72/1273 , H04W52/0235 , H04W72/23 , H04W72/569
Abstract: Embodiments of this disclosure provide techniques for communicating in a wireless communications system. In particular, in an embodiment a base station receives a capability message from a user equipment (UE) indicating downlink scheduling delay. The base station transmits a downlink control frame to the UE in response to determining that transmitting a frame to the UE satisfies a scheduling delay condition. The downlink control frame indicates a scheduling delay of the frame equal to or greater than the downlink scheduling delay. The base station then transmits the frame to the UE in accordance with the downlink control frame.
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公开(公告)号:US11909489B2
公开(公告)日:2024-02-20
申请号:US17417963
申请日:2019-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor: Bin Liu , Pengfei Xia , Young Hoon Kwon
CPC classification number: H04B7/0695 , H04L5/0051 , H04W16/28 , H04W24/10 , H04W52/367
Abstract: A computer-implemented method for operating a user equipment (UE) includes measuring beamformed reference signals, selecting one or more beams in accordance with the measured beamformed reference signals, and determining, by the UE, that an uplink transmit power of the UE on a subset of the one or more beams is limited by emission criteria, and based thereon, transmitting, by the UE, a beam report indicating the one or more beams and an uplink transmit power limitation.
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公开(公告)号:US11722916B2
公开(公告)日:2023-08-08
申请号:US17259101
申请日:2018-09-24
Applicant: Huawei Technologies Co., Ltd.
Inventor: Pengfei Xia , Young Hoon Kwon , Bin Liu
Abstract: A computer-implemented method includes sending, by an access node, to a user equipment (UE) configuration information for a beam quality reference signal (BQRS) that is associated with a discontinuous reception (DRX)-ON period used for sending a physical downlink control channel (PDCCH) to the UE, wherein the BQRS has a spatial quasi-collocated (QCL) relationship with either the PDCCH or a demodulation reference signal (DMRS) of the PDCCH. The method further includes sending, by the access node, the BQRS to the UE.
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公开(公告)号:US20220361004A1
公开(公告)日:2022-11-10
申请号:US17627536
申请日:2019-07-19
Applicant: Huawei Technologies Co., Ltd.
Inventor: Young Hoon Kwon , Pengfei Xia , Bin Liu
Abstract: A method implemented by a device includes determining a direction of a first signal received from a signal source, beamforming a second signal in accordance with a first beamforming gain of a transmission of the second signal oriented in accordance with the direction of the first signal source, and a second beamforming gain of the transmission of the second signal oriented in accordance with an intended direction of the second signal, the first beamforming gain being smaller than the second beamforming gain, and transmitting, by the device, the beamformed second signal.
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