公开(公告)号：US11303490B2

公开(公告)日：2022-04-12

申请号：US16801496

申请日：2020-02-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongzhe Shi ,  Wei Han ,  Yi Qin ,  Jianqin Liu ,  Peng Jiang

IPC: H04L12/28 ,  H04L27/26 ,  H04L1/00 ,  H04L1/16 ,  H04L5/00 ,  H04W24/10 ,  H04W72/04 ,  H04W80/08 ,  H04J1/16

Abstract: This application discloses a reference signal configuration method and apparatus. Before a network device sends reference signals aperiodically, the network device sends configuration information to a terminal device, where the configuration information is used to indicate a timeslot offset of one or more reference signal resource sets. Therefore, the network device can flexibly send reference signals in different timeslots, thereby reducing a quantity of times of reference signal triggering and measurement result reporting, and improving efficiency of a communications system.

公开(公告)号：US11012128B2

公开(公告)日：2021-05-18

申请号：US16266635

申请日：2019-02-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lu Wu ,  Wei Han ,  Hongzhe Shi

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/0408 ,  H04L5/00

Abstract: Embodiments of this application disclose a precoding matrix determining method and apparatus, to determine a stage-1 precoding matrix based on indication information that is of a spatial correlation matrix and that is fed back by a terminal, thereby implementing three-dimensional precoding based on a channel state and increasing a channel capacity. The method includes: sending, by a base station, a plurality of groups of first reference signals, where the plurality of groups of first reference signals are in a one-to-one correspondence with a plurality of dimensions of an antenna array, and each of the plurality of groups of first reference signals is used by a terminal to estimate spatial correlation matrix information in a corresponding dimension; receiving the spatial correlation matrix information fed back by the terminal based on the plurality of groups of first reference signals; and determining a stage-1 precoding matrix based on the spatial correlation matrix information.

公开(公告)号：US20190150159A1

公开(公告)日：2019-05-16

申请号：US16242941

申请日：2019-01-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongzhe Shi ,  Yong Liu ,  Xiaoyan Bi ,  Lu Wu

IPC: H04W72/08 ,  H04L5/00 ,  H04B7/0452 ,  H04W72/04

Abstract: A method for indicating downlink control signaling and a related device are provided. The method includes: generating, by an access network device, indication information, and sending the indication information to a first terminal device by using downlink control signaling, where the indication information is used by the first terminal device to obtain information about an antenna port that is used by a second terminal device and that is corresponding to a demodulation reference signal, and the second terminal device is a terminal device currently performing spatial multiplexing together with the first terminal device. This implements interference detection performed by the first terminal device on a plurality of users.

公开(公告)号：US11057155B2

公开(公告)日：2021-07-06

申请号：US16671781

申请日：2019-11-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shibin Ge ,  Xiaoyan Bi ,  Hongzhe Shi

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

Abstract: Embodiments of this application provide a data transmission method and apparatus. The method includes: transmitting indication information indicating a data distribution manner selected from a first data distribution manner and a second data distribution manner; performing data transmission with a terminal device according to the data distribution manner indicated by the indication information; wherein the data distribution manner indicating 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, the one or more OFDM symbols are consecutive in time-domain; and wherein modulation symbols distributed on a same OFDM symbol of the one or more OFDM symbols are interleaved in frequency-domain according to the first data distribution manner and are not interleaved in the frequency-domain according to the second data distribution manner.

公开(公告)号：US10951372B2

公开(公告)日：2021-03-16

申请号：US16370657

申请日：2019-03-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongzhe Shi ,  Yong Liu ,  Xiaoyan Bi

IPC: H04L12/28 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04W88/02 ,  H04W88/08

Abstract: The present disclosure discloses a demodulation reference signal (DMRS) port configuration information obtaining method, a DMRS port configuration information delivery method, and an apparatus, and relates to the field of communications technologies, to reduce signaling overheads. The DMRS port configuration information obtaining method may include: receiving, by user equipment (UE), indication information sent by a base station, where the indication information includes overview information of DMRS ports of all UEs scheduled by the base station; and obtaining, by the UE, DMRS port configuration information of all the UEs according to a preset rule and the indication information.

公开(公告)号：US10951368B2

公开(公告)日：2021-03-16

申请号：US16680112

申请日：2019-11-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shibin Ge ,  Hongzhe Shi ,  Xiaoyan Bi

IPC: H04L5/00 ,  H04L1/00

Abstract: Embodiments of this application disclose a data processing method and an apparatus thereof. The method includes: processing, by a network device, to-be-transmitted data to obtain a data distribution manner, where the processing includes at least one of interleaving processing and mapping processing that is performed in a mapping sequence; the data distribution manner is used to indicate distribution of data from a same code block; and when the processing includes only mapping processing performed in a mapping sequence, the mapping sequence does not include a mapping sequence in which space-domain mapping is first performed, frequency-domain mapping is then performed, and time-domain mapping is finally performed; sending, the to-be-transmitted data distributed in the data distribution manner; receiving, by a terminal device, processed to-be-transmitted data; and determining, a data distribution manner, and performing de-processing on the processed to-be-transmitted data in the data distribution manner, to obtain the to-be-transmitted data.

公开(公告)号：US20190181929A1

公开(公告)日：2019-06-13

申请号：US16237509

申请日：2018-12-31

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Shibin Ge ,  Wei Han ,  Xiaoyan Bi ,  Hongzhe Shi ,  Ye Wu ,  Huangping Jin

IPC: H04B7/0456 ,  H04B7/06

Abstract: This application provides a technical solution for rank indication, and especially when a CQI number is not configured or a CQI number is 1, a network device configures a rank indication restriction parameter as that at least one of ranks whose index numbers are 0, 1, 2, and 3 is allowed to be reported by the terminal device; or even if the network device does not perform the foregoing configuration, and none of the ranks whose index numbers are 0, 1, 2, and 3 is allowed to be reported, the terminal device may select at least one rank for RI reporting, so as to resolve a problem that a system cannot work. In addition, according to embodiments of this application, bit overheads required for RI reporting may further be reduced.

公开(公告)号：US11979225B2

公开(公告)日：2024-05-07

申请号：US17487397

申请日：2021-09-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liuliu Ji ,  Hongzhe Shi ,  Haicun Hang ,  Min Zhang ,  Xiaohan Wang ,  Xiaoyan Bi

IPC: H04W40/06 ,  H04J13/00 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/23

CPC classification number: H04J13/004 ,  H04L5/0051 ,  H04W72/0446 ,  H04W72/23

Abstract: Embodiments of this application provide a downlink control information transmission method in which after receiving one piece of downlink control information (DCI), the terminal device learns whether blind detection of DCI needs to be continued. The method includes: A terminal device receives first DCI, where the first DCI includes first indication information, and the first indication information is used to indicate a first antenna port. The terminal device determines, based on the first antenna port and antenna port configuration information, whether second DCI exists. The configuration information may include an index of a CDM group to which each of a plurality of antenna ports belongs and a maximum quantity of CDM groups that is supported by the terminal device. Alternatively the configuration information may include one or more antenna port groups, and each of the one or more antenna port groups includes one or more antenna ports.

公开(公告)号：US11910218B2

公开(公告)日：2024-02-20

申请号：US17324712

申请日：2021-05-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongzhe Shi ,  Shibin Ge ,  Xiaoyan Bi

IPC: H04W24/10 ,  H04W72/044 ,  H04W72/23 ,  H04L5/00 ,  H04B7/06

CPC classification number: H04W24/10 ,  H04L5/0048 ,  H04W72/046 ,  H04W72/23

Abstract: A beam reporting method and a communications apparatus is provided. The method includes that a terminal device receives first information, where the first information is used to configure at least two reference signal resource groups; and sending, by the terminal device, reporting information, where the reporting information includes related information of at least two beams, the at least two beams are used to send reference signals carried on at least two reference signal resources, and the reference signals sent by using the at least two beams can be simultaneously received by the terminal device, where the at least two reference signal resources are respectively from the at least two reference signal resource groups. In this application, related information of beams of at least two transmission points is reported through one time of beam scanning, to implement beam training in a CoMP system.

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.