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    Channel measurement method and communications apparatus
    82.
    发明授权
    Channel measurement method and communications apparatus 有权

    公开(公告)号：US11811471B2

    公开(公告)日：2023-11-07

    申请号：US17982239

    申请日：2022-11-07

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhimeng Zhong ,  Huangping Jin ,  Haifan Yin ,  Xiaoyan Bi ,  Li Fan

    IPC: H04W72/23 ,  H04B7/0456 ,  H04L5/00 ,  H04L25/02

    CPC classification number: H04B7/0456 ,  H04L5/0048 ,  H04L25/0202 ,  H04W72/23

    Abstract: Example channel measurement methods and communications apparatus are described. One example method includes receiving a precoded reference signal by a terminal device, where the precoded reference signal is obtained by precoding a reference signal based on K angle vectors and L delay vectors. First indication information is generated and sent, where the first indication information indicates P weighting coefficients corresponding to P angle-delay pairs. The P weighting coefficients are determined by using the precoded reference signal. The P angle-delay pairs and the P weighting coefficients corresponding to the P angle-delay pairs are used to determine a precoding matrix. Each angle-delay pair includes one of the K angle vectors and one of the L delay vectors. The K angle vectors and the L delay vectors are determined based on uplink channel measurement.

    Data transmission method and apparatus
    84.
    发明授权
    Data transmission method and apparatus 有权

    公开(公告)号：US11784753B2

    公开(公告)日：2023-10-10

    申请号：US17349033

    申请日：2021-06-16

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Shibin Ge ,  Xiaoyan Bi ,  Hongzhe Shi

    IPC: H04L1/00 ,  H04L5/00 ,  H04L27/26

    CPC classification number: H04L1/0071 ,  H04L1/0005 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0051 ,  H04L27/2605 ,  H04L5/0007

    Abstract: Embodiments of this application provide data transmission methods and apparatuses. One method includes: receiving, by a communications apparatus, indication information from a network device, wherein the indication information indicates a data distribution selected from a first data distribution and a second data distribution; performing, by the communications apparatus, data transmission with the network device based on the data distribution; wherein the data distribution indicates a distribution of modulation symbols of a code block (CB) on one or more orthogonal frequency division multiplexing (OFDM) symbols of at least one resource unit, and wherein the one or more OFDM symbols are consecutive in time-domain.

    QCL INDICATION METHOD AND RELATED DEVICE
    85.
    发明公开
    QCL INDICATION METHOD AND RELATED DEVICE 审中-公开

    公开(公告)号：US20230308242A1

    公开(公告)日：2023-09-28

    申请号：US18161776

    申请日：2023-01-30

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Liuliu Ji ,  Xiaoyan Bi

    IPC: H04L5/00 ,  H04B7/01

    CPC classification number: H04L5/0051 ,  H04B7/01

    Abstract: This application provides a quasi co-location (QCL) indication method and a related device, and may be applied to coordinated multistation transmission. In the method, a terminal receives QCL indication information, where the QCL indication information indicates that time-frequency spread information of a demodulation reference signal (DMRS) is associated with time-frequency spread information of N tracking reference signals (TRSs) (or a TRS corresponding to the DMRS) and that delay-frequency offset information of the DMRS is associated with delay-frequency offset information of M TRSs.

    Channel measurement method and communications apparatus
    88.
    发明授权
    Channel measurement method and communications apparatus 有权

    公开(公告)号：US11689256B2

    公开(公告)日：2023-06-27

    申请号：US17347903

    申请日：2021-06-15

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Zhimeng Zhong ,  Huangping Jin ,  Haifan Yin ,  Xiaoyan Bi ,  Li Fan

    IPC: H04W72/04 ,  H04B7/0456 ,  H04L5/00 ,  H04L25/02 ,  H04W72/23

    CPC classification number: H04B7/0456 ,  H04L5/0048 ,  H04L25/0202 ,  H04W72/23

    Abstract: Example channel measurement methods and communications apparatus are described. One example method includes receiving a precoded reference signal by a terminal device, where the precoded reference signal is obtained by precoding a reference signal based on K angle vectors and L delay vectors. First indication information is generated and sent, where the first indication information is used to indicate P weighting coefficients corresponding to P angle-delay pairs. The P weighting coefficients are determined by using the precoded reference signal. The P angle-delay pairs and the P weighting coefficients corresponding to the P angle-delay pairs are used to determine a precoding matrix. Each angle-delay pair includes one of the K angle vectors and one of the L delay vectors. The K angle vectors and the L delay vectors are determined based on uplink channel measurement.

    Data transmission method and apparatus, and system
    89.
    发明授权
    Data transmission method and apparatus, and system 有权

    公开(公告)号：US11683076B2

    公开(公告)日：2023-06-20

    申请号：US16703607

    申请日：2019-12-04

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Ye Wu ,  Huangping Jin ,  Wei Han ,  Xiaoyan Bi

    IPC: H04B7/0417 ,  H04B7/0456

    CPC classification number: H04B7/0417 ,  H04B7/0456

    Abstract: This application provides a data transmission method, so that data transmission reliability can be improved. The method includes: receiving, by the terminal device, a plurality of reference signals used for channel measurement; and sending, by the terminal device, a plurality of pieces of first indication information based on the at least one reference signal and a transmission scheme on which CSI feedback is based, where the plurality of pieces of first indication information are used to indicate x target precoding matrices, at least one of the plurality of pieces of first indication information is used to indicate one target precoding matrix, and the x target precoding matrices are determined based on the plurality of precoding matrices, where x is a quantity of target precoding matrices that need to be fed back, and x is an integer greater than 1.

    Update Method and Communications Apparatus
    90.
    发明申请
    Update Method and Communications Apparatus 有权

    公开(公告)号：US20230019630A1

    公开(公告)日：2023-01-19

    申请号：US17934693

    申请日：2022-09-23

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Hui Wang ,  Huangping Jin ,  Shibin Ge ,  Yiling Yuan ,  Xiaoyan Bi ,  Peng Shang

    IPC: H04B7/0456 ,  H04L5/00 ,  H04W72/04

    Abstract: Embodiments of this application provide an update method and a communications apparatus. The method includes: generating space domain vector update information, where the space domain vector update information is for updating a first group of space domain vectors to obtain a second group of space domain vectors, the space domain vector update information includes a plurality of groups of space domain vector coefficients, and each group of space domain vector coefficients is for performing weighted combination on the first group of space domain vectors, to obtain one space domain vector in the second group of space domain vectors; and sending the space domain vector update information.

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