公开(公告)号：US20220174541A1

公开(公告)日：2022-06-02

申请号：US17677636

申请日：2022-02-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin XU ,  Bingzhao LI ,  Lei CHEN ,  Hong WANG

IPC: H04W28/06 ,  H04W4/06

Abstract: Embodiments of this application provide a data transmission method and a device, and relate to the field of communication technologies, to resolve how a network device sends a data packet and how each terminal device receives the data packet when a communication manner between the network device and a plurality of terminal devices is switched from a unicast manner to a multicast manner. The method includes: A network device sends first indication information to a first terminal device, where the first indication information includes a first sequence number SN, and the first indication information is used to indicate the first terminal device to receive a data packet in a multicast manner. The network device sends the data packet to the first terminal device and a second terminal device in the multicast manner based on the first SN.

公开(公告)号：US20220141626A1

公开(公告)日：2022-05-05

申请号：US17575211

申请日：2022-01-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bin XU ,  Bingzhao LI ,  Lei CHEN ,  Hong WANG ,  Xuelong WANG

IPC: H04W4/06 ,  H04L1/16

Abstract: The present disclosure relates to communication methods, apparatus, and systems. In one example method, a first apparatus determines a first status protocol data unit (PDU), where the first status PDU is used to indicate a receiving status of at least one data PDU from a second apparatus, and the at least one data PDU is transmitted by the second apparatus in a multicast mode. The first apparatus sends the first status PDU to the second apparatus.

公开(公告)号：US20220022113A1

公开(公告)日：2022-01-20

申请号：US17478156

申请日：2021-09-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lei CHEN ,  Su HUANG

IPC: H04W36/06 ,  H04W36/20 ,  H04W36/14 ,  H04W36/26

Abstract: This application provides an interference randomization method and apparatus, to resolve a problem of continuous interference that may be caused by a configuration of a reference signal, especially a positioning reference signal, in a beam scenario. The method includes: A terminal device receives interference randomization configuration information, where the interference randomization configuration information includes configuration information in at least two time periods, receiving modes of a reference signal in the at least two time periods are different, and the receiving mode is used to indicate a receiving status of the terminal device for the reference signal on a reference signal resource or a reference signal resource set. The terminal device receives the reference signal based on the interference randomization configuration information.

公开(公告)号：US20210376940A1

公开(公告)日：2021-12-02

申请号：US17401593

申请日：2021-08-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Su HUANG ,  Lei CHEN

IPC: H04B17/27 ,  H04B17/327 ,  H04B7/0426 ,  H04W64/00

Abstract: A signal measurement method and a communication apparatus to measure a downlink angle of departure (DAOD) more accurately. The method includes: receiving resource configuration information, where the resource configuration information includes configuration information of a first reference signal set, the first reference signal set includes M reference signals, N reference signals in the M reference signals are reference reference signals, M is greater than 1, and N is greater than or equal to 1; receiving the M reference signals; determining N first paths corresponding to the N reference reference signals, and separately determining M*N received powers of the M reference signals on the N first paths; and reporting a measurement result, where the measurement result includes K*N received powers in M*N received powers, K≤M, and the first path is one of a plurality of paths corresponding to a reference reference signal.

公开(公告)号：US20210321260A1

公开(公告)日：2021-10-14

申请号：US17315049

申请日：2021-05-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin XU ,  Bingzhao LI ,  Lei CHEN ,  Xuelong WANG

IPC: H04W12/122 ,  H04W12/106 ,  H04W12/03 ,  H04W74/08

Abstract: This application provides a fake network device identification method and a communications apparatus. An uplink message sent by a terminal device is forwarded to a first network device via a second network device. After receiving the uplink message, the first network device generates a downlink message for the uplink message, performs security processing on the downlink message based on first time information, and/or sends the downlink message to the second network device. The second network device sends, to the terminal device, the downlink message on which the security processing is performed. The terminal device performs security verification on the received downlink message, and/or identifies whether the second network device is a fake network device. This helps improve communication security.

公开(公告)号：US20210219104A1

公开(公告)日：2021-07-15

申请号：US17214457

申请日：2021-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei CHEN ,  Bingzhao LI ,  Li CHAI

IPC: H04W4/029 ,  G01S5/02 ,  G01S5/12

Abstract: Embodiments of this application disclose a positioning method and an apparatus, to reduce a quantity of transmission points, thereby reducing positioning calculation complexity. The method in the embodiments of this application includes: receiving, by a terminal, positioning assistance information sent by a positioning entity, where the positioning assistance information includes a cell identity of a cell in which a to-be-measured transmission point is located, an identity of the to-be-measured transmission point, and positioning reference signal configuration information of the to-be-measured transmission point; measuring, by the terminal, the to-be-measured transmission point based on the positioning assistance information, to obtain a measurement result, where the measurement result includes positioning reference signal information of the to-be-measured transmission point; and sending, by the terminal, the measurement result.

公开(公告)号：US20210212007A1

公开(公告)日：2021-07-08

申请号：US17212536

申请日：2021-03-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Fengwei LIU ,  Lei CHEN ,  Jing QIU

IPC: H04W56/00 ,  H04W24/02

Abstract: This specification discloses signal configuration methods and apparatuses. One method includes: sending, by a first node of a wireless system, a synchronization signal block (SSB) at a set of candidate locations of SSBs, wherein the SSB is used by a second node of the wireless system to detect or measure the SSB; receiving, by the first node, SSB optimization configuration information comprising an identifier of the SSB; determining, by the first node, a subset of the set of candidate locations based on the SSB optimization configuration information; and sending, by the first node, the SSB at the subset of the set of candidate locations.

公开(公告)号：US20210153215A1

公开(公告)日：2021-05-20

申请号：US17162344

申请日：2021-01-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Peng GUAN ,  Xi ZHANG ,  Lei CHEN

IPC: H04W72/08 ,  H04L5/00 ,  H04B7/06

Abstract: This application provides antenna panel training methods and apparatuses. One method includes: determining, by a network device, configuration information that comprises information about a reference signal resource set for training an antenna panel of a terminal device; and sending, by the network device, the configuration information to the terminal device.

公开(公告)号：US20210083751A1

公开(公告)日：2021-03-18

申请号：US17103268

申请日：2020-11-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lei CHEN ,  Peng GUAN

IPC: H04B7/08 ,  H04W72/04 ,  H04W76/19 ,  H04L25/02 ,  H04L5/00 ,  H04W24/10

Abstract: Embodiments of this application disclose a resource configuration method, apparatus, and system. A network device sends a resource configuration of a physical uplink control channel PUCCH used for beam failure recovery to a terminal device, where the resource configuration of the PUCCH includes a corresponding transmit beam of the PUCCH. When detecting a beam failure event, the terminal device sends a transmit beam failure recovery request to the network device based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. The periodicity of the PUCCH may be configured by the network device, or may be a preset periodicity. According to the configuration manner of the PUCCH resource used for beam failure recovery in the embodiments of this application, the terminal device can flexibly and effectively perform beam failure recovery.

公开(公告)号：US20200344742A1

公开(公告)日：2020-10-29

申请号：US16928818

申请日：2020-07-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lei CHEN ,  Peng GUAN ,  Cheng QIN ,  Peng JIANG ,  Jianqin LIU

IPC: H04W72/04 ,  H04B7/06 ,  H04B7/08

Abstract: The present disclosure relates to beam configuration methods and apparatus. One example method includes receiving, by a terminal device, a first beam from a network device, where an identifier of a reference signal sent on the first beam is a first identifier, and configuring, by the terminal device based on a spatial reception parameter, a receive beam corresponding to the first beam. The spatial reception parameter is configured after a second beam corresponding to the first identifier is measured or reported last time.