公开(公告)号：US20210153188A1

公开(公告)日：2021-05-20

申请号：US17162995

申请日：2021-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaohan WANG ,  Shibin GE ,  Haicun HANG ,  Xiaoyan BI ,  Min ZHANG ,  Hua XU

IPC: H04W72/04 ,  H04L5/00

Abstract: This application discloses a communications method and apparatus. The method includes: receiving, by a terminal device, PUCCH resource configuration indication information from a network device, where the PUCCH resource configuration indication information is associated with one or more of the following parameters: a downlink channel resource parameter, a demodulation reference signal port-related parameter, and a transport block parameter. A corresponding apparatus is further disclosed. According to the solution in this application, the PUCCH resource configuration indication information is associated with one or more parameters of the downlink channel resource, the demodulation reference signal port-related parameter, and the transport block parameter. When the terminal device sends uplink control information by using a PUCCH resource, a PUCCH resource conflict can be avoided, thereby ensuring transmission reliability.

公开(公告)号：US20210119836A1

公开(公告)日：2021-04-22

申请号：US17136660

申请日：2020-12-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shibin GE ,  Xiaoyan BI ,  Min ZHANG ,  Xiaohan WANG ,  Haicun HANG

IPC: H04L25/03 ,  H04W72/04

Abstract: A data scrambling method and a related device are provided. In the data scrambling method, a communications device may configure one scrambling identifier associated with downlink control information configuration information or a downlink control parameter, or a plurality of scrambling identifiers associated with different downlink control information configuration information or downlink control parameters, where the downlink control information configuration information is parameter information used to obtain a downlink control channel, and the downlink control parameter is a parameter included in downlink control information or a parameter related to a parameter included in downlink control information; and the communications device may send the one scrambling identifier or the plurality of scrambling identifiers to a terminal device. It can be learned that the scrambling identifier configured in embodiments of this application is associated with the downlink control information configuration information or the downlink control parameter.

公开(公告)号：US20210021300A1

公开(公告)日：2021-01-21

申请号：US17061164

申请日：2020-10-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shibin GE ,  Xiang REN ,  Xiaoyan BI

IPC: H04B1/7143 ,  H04L5/00 ,  H04L5/10 ,  H04W72/04

Abstract: This application provides a Demodulation Reference Signal (DMRS) transmission method and a communications device. The method includes: determining, by a communications device, a current mode of a resource scheduling unit, where the current mode is a frequency hopping mode or an aggregation mode, and performing, by the communications device, DMRS mapping or demapping by using a DMRS pattern corresponding to the current mode, where a location of a symbol occupied by a DMRS in the DMRS pattern corresponding to the current mode is different from a location of a symbol occupied by a DMRS in a preset DMRS pattern. In embodiments of this application, a location of a symbol occupied by a DMRS can be flexibly selected depending on different modes. Therefore, requirements of the different modes can be satisfied in the embodiments of this application, thereby improving network performance.

公开(公告)号：US20250150144A1

公开(公告)日：2025-05-08

申请号：US19013788

申请日：2025-01-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jie WANG ,  Li FAN ,  Shibin GE ,  Hui WANG ,  Zhimeng ZHONG ,  Xiaoyan BI

IPC: H04B7/06 ,  H04B7/0417

Abstract: This application provides a channel state information (CSI) feedback method including: a communication apparatus receives first indication information, wherein the first indication information is determined based on a received precoded reference signal corresponds to P reference signal ports; the first indication information indicates B complex coefficients determined from K complex coefficients according to a preset priority value, the K complex coefficients are determined from a complex coefficient set comprising U complex coefficients that are determined for an sth reference signal port in S reference signal ports at each transport layer of Z transport layers, the S reference signal ports are a part or all of the P reference signal ports, the U complex coefficients are a part or all of Ts complex coefficients corresponding to the sth reference signal port; and determines a precoding matrix based on the first indication information.

公开(公告)号：US20240056139A1

公开(公告)日：2024-02-15

申请号：US18496386

申请日：2023-10-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shibin GE ,  Zhenyuan CHEN ,  Xiaohan WANG ,  Yichuan YU ,  Jiyong PANG ,  Hua CAI

IPC: H04B7/0456 ,  H04W72/231

CPC classification number: H04B7/0456 ,  H04W72/231

Abstract: This application discloses communication methods and communication apparatuses. In an implementation, a communication method includes: receiving first information that indicates first group configuration information and second group configuration information, the first group configuration information indicates a correspondence between P reference signal ports and Z layers, and the second group configuration information indicates a correspondence between N frequency domain base vectors and the Z layers; and sending a precoding matrix indicator (PMI) corresponding to the Z layers, where the PMI is determined based on the first information.

公开(公告)号：US20230361836A1

公开(公告)日：2023-11-09

申请号：US18352896

申请日：2023-07-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yiling YUAN ,  Shibin GE ,  Li FAN ,  Jie WANG ,  Huangping JIN

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

CPC classification number: H04B7/0626 ,  H04L5/0048 ,  H04B7/0456 ,  H04B7/0639

Abstract: This application provides a channel information obtaining method and a related device. In the method, first indication information may be received, where the first indication information indicates one of a plurality of parameter configuration combinations of a reference signal, and the plurality of parameter configuration combinations are associated with a same codebook. A terminal device may feed back channel state information based on the indicated parameter configuration combination.

公开(公告)号：US20220416866A1

公开(公告)日：2022-12-29

申请号：US17887209

申请日：2022-08-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shibin GE ,  Huangping JIN ,  Xiaohan WANG ,  Yiling YUAN ,  Xiaoyan BI

IPC: H04B7/06 ,  H04B7/0456

Abstract: A channel state information feedback method includes: a terminal receives first indication information from a network device, and the terminal sends channel state information to the network device. The first indication information is used to indicate a type of a right multiplication matrix in a first codebook, and the first codebook satisfies a formula (I). W is the first codebook, W1 is a port selection matrix, (II) is a linear superposition coefficient matrix, Wf is the right multiplication matrix, and (III) is a conjugate transpose of Wf, and is used by the terminal to determine the channel state information based on the first codebook. According to the method, when there are a plurality of codebooks, the codebook used by the terminal to obtain the CSI can be clearly indicated.

公开(公告)号：US20220224568A1

公开(公告)日：2022-07-14

申请号：US17707323

申请日：2022-03-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping JIN ,  Shibin GE ,  Zhimeng ZHONG ,  Yong LIU ,  Xiaoyan BI ,  Li FAN

IPC: H04L25/02 ,  H04W56/00

Abstract: Example channel measurement methods and a communication apparatus are described. One example method include receiving a precoded reference signal and indication information by a terminal device, where the indication information is used to indicate a relative delay between a first delay and a second delay, and the first delay and the second delay are determined through uplink channel measurement. The terminal device performs channel measurement based on the precoded reference signal and the indication information.

公开(公告)号：US20210337572A1

公开(公告)日：2021-10-28

申请号：US17371300

申请日：2021-07-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liuliu JI ,  Shibin GE ,  Haicun HANG ,  Xiaohan WANG ,  Xiaoyan BI ,  Hongzhe SHI

IPC: H04W72/12 ,  H04W72/04

Abstract: This application provides a data transmission method and a communication apparatus, to improve data transmission reliability. The method includes: receiving downlink control information (DCI); determining a plurality of pieces of quasi-co-location (QCL) information based on the DCI; and receiving downlink data based on the plurality of pieces of QCL information. The plurality of pieces of QCL information correspond to a plurality of time domain units, each time domain unit corresponds to at least one piece of QCL information, and at least two of the plurality of pieces of QCL information are different, that is, the downlink data is from at least two network devices.

公开(公告)号：US20210259003A1

公开(公告)日：2021-08-19

申请号：US17246236

申请日：2021-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haicun HANG ,  Shibin GE ,  Xiaohan WANG ,  Liuliu JI

IPC: H04W72/12

Abstract: This application provides a data sending and receiving method. The method includes: receiving, by a terminal device, a first PDCCH and a second PDCCH, where the first PDCCH is used to schedule a first PDSCH, and the first PDSCH is used to transmit first data; determining, based on the first PDCCH and the second PDCCH, a first resource used to transmit the first data, where the first resource is a part or all of a resource of the first PDSCH; and receiving, by the terminal device, the first data from a network device on the first resource. The first resource is determined with reference to the first PDCCH and the second PDCCH, to avoid a problem that receiving performance of the first PDSCH and the second PDCCH may deteriorate when a resource of the second PDCCH overlaps the resource of the first PDSCH.