公开(公告)号：US12244381B2

公开(公告)日：2025-03-04

申请号：US17852957

申请日：2022-06-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiang Ren ,  Huangping Jin ,  Xiaohan Wang ,  Shibin Ge ,  Yiling Yuan

IPC: H04B7/06

Abstract: This application describes a channel information feedback method and a communication apparatus. The method includes a terminal device that receives configuration information sent by a network device, where the configuration information is used to configure a feedback mode of channel information. The terminal device may feed back current channel information to the network device when the feedback mode configured by using the configuration information is a first mode. The terminal device may alternatively feeds back predicted channel information to the network device when the feedback mode configured by using the configuration information is a second mode. System performance is therefore improved by the method described in this application because channel information feedback requirements in different scenarios can be met. In particular, a problem that data transmission performance deteriorates because channel information expires in a moving scenario can be resolved by feeding back the predicted channel information.

公开(公告)号：US20250015852A1

公开(公告)日：2025-01-09

申请号：US18887660

申请日：2024-09-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Li ,  Xiaohan Wang ,  Huangping Jin

IPC: H04B7/06

Abstract: This application provides a channel state information (CSI) transmission method, a communication apparatus, and a communication device. The method includes: obtaining CSI corresponding to N port groups, where the CSI includes first CSI corresponding to each of the N port groups, and N is an integer greater than 1; and sending first information and second information, where the first information includes first indication information, the first indication information indicates that the second information includes first CSI corresponding to each of K port groups, the N port groups include the K port groups, and K is a positive integer less than N.

公开(公告)号：US20240340046A1

公开(公告)日：2024-10-10

申请号：US18749286

申请日：2024-06-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ting Li ,  Ruiqi Ma ,  Kai Chen ,  Xiaohan Wang ,  Huangping Jin

IPC: H04B7/0417 ,  H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0632

Abstract: Embodiments of this application provide a channel information reporting method and an apparatus. The method includes: A communication apparatus measures a plurality of reference signals from a plurality of radio access network devices, and determines first delay information and first channel information based on the plurality of reference signals; performs delay compensation on the first channel information based on the first delay information, to determine second channel information; determines a precoding matrix indicator (PMI) based on the second channel information, where the PMI indicates the second channel information; and reports the first delay information and the PMI.

公开(公告)号：US12088384B2

公开(公告)日：2024-09-10

申请号：US17513905

申请日：2021-10-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping Jin ,  Xiaohan Wang ,  Xiaoyan Bi

IPC: H04B7/06

CPC classification number: H04B7/0639 ,  H04B7/0626 ,  H04B7/0634

Abstract: This application provides a precoding matrix indicating and determining method and a communications apparatus. The method includes: generating, by a terminal device, first indication information, and sending the first indication information to a network device, where the first indication information indicates a spatial domain vector, a frequency domain vector, and a weighting coefficient that are used to construct a precoding matrix. When a value of a rank Z is greater than 2, Z transport layers include at least one first-type transport layer, and a maximum quantity M1 of frequency domain vectors reported for the first-type transport layer satisfies:






M
1

=

⌊


p
1

×


N
3

R


⌋


,




wherein p1 is a preconfigured coefficient for determining the maximum quantity of frequency domain vectors reported for the first-type transport layer, 1≥p1≥0, R is a preconfigured value, N3 is a length of a frequency domain vector, Z>2, and R, N3, and Z are all positive integers.

公开(公告)号：US20240244606A1

公开(公告)日：2024-07-18

申请号：US18620135

申请日：2024-03-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Didi Zhang ,  Shibin Ge ,  Yongping Zhang ,  Yiling Yuan ,  Junhui Gao ,  Li Fan ,  Huangping Jin

IPC: H04W72/0453

CPC classification number: H04W72/0453

Abstract: In accordance with an embodiment, a method includes obtaining Mv frequency domain components, where the Mv frequency domain components are a subset of N candidate frequency domain components, and Mv is a positive integer; and sending first indication information, where the first indication information indicates the Mv frequency domain components, the first indication information occupies




⌈


log
2

⁢


(




N
-
1







M
v

-
1




)


⌉




bits, and N is a positive integer greater than Mv.

公开(公告)号：US20240235628A1

公开(公告)日：2024-07-11

申请号：US18615384

申请日：2024-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Didi Zhang ,  Shibin Ge ,  Yiling Yuan ,  Junhui Gao ,  Li Fan ,  Huangping Jin

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0626

Abstract: This application provides a communication method and an apparatus. A terminal device receives a first indication information from a network device, where the first indication information indicates a first parameter combination including at least two of the following: a first value of Mv, a first value of β, and a first value of α. The first parameter combination is for determining that a first coefficient matrix to be indicated by the terminal device includes a maximum of K0 non-zero elements, and K0 is determined based on the first values of Mv, β, and α. The terminal device sends a second information indication to the network device, where the second indication information indicates K2 non-zero elements in the first coefficient matrix, and K2 is less than or equal to K0.

公开(公告)号：US11863252B2

公开(公告)日：2024-01-02

申请号：US17968218

申请日：2022-10-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping Jin ,  Ruiqi Zhang

IPC: H04B7/0417 ,  H04B7/06 ,  H04W72/0446 ,  H04L5/00 ,  H04W72/51 ,  G06T7/73 ,  G06V10/46 ,  G06V40/10 ,  G06N3/08

CPC classification number: H04B7/0417 ,  G06N3/08 ,  G06T7/73 ,  G06V10/462 ,  G06V40/103 ,  H04B7/0626 ,  H04B7/0628 ,  H04L5/0048 ,  H04W72/0446 ,  H04W72/51 ,  G06T2207/30196 ,  G06T2210/12

Abstract: Embodiments of this application disclose terminal device capability transmission methods, apparatuses, and systems. In an implementation, a terminal device transmits capability information to a network device, the capability information indicates a maximum quantity of ports of reference signals for channel state information (CSI) measurement supported by a terminal device in a time-domain unit, wherein the time-domain unit is one slot, and the capability information is determined based on a capability of the terminal device.

公开(公告)号：US11658709B2

公开(公告)日：2023-05-23

申请号：US17483419

申请日：2021-09-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaohan Wang ,  Huangping Jin ,  Xiang Ren ,  Wei Han ,  Xiaoyan Bi

IPC: H04B7/0456 ,  H04L25/02 ,  H04B7/0417

CPC classification number: H04B7/0456 ,  H04L25/0204 ,  H04B7/0417

Abstract: Embodiments of this application provide a channel estimation method and apparatus, and relate to the field of communications technologies, to help reduce indication overheads. The method includes: generating and sending indication information, where the indication information is used to indicate M N-dimensional precoding vectors, each precoding vector is applied to one of M frequency bands, the M N-dimensional precoding vectors form a space-frequency matrix, and the space-frequency matrix is generated by performing weighted combination on a plurality of space-frequency component matrices, where the space-frequency matrix is an M×N-dimensional space-frequency vector or an X×Y space-frequency matrix, X and Y are one and the other of M and N, M≥1, N≥2, and both M and N are integers.

公开(公告)号：US11652518B2

公开(公告)日：2023-05-16

申请号：US17486478

申请日：2021-09-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaohan Wang ,  Huangping Jin ,  Xiaoyan Bi

IPC: H04B7/02 ,  H04B7/0456 ,  H04L25/02

CPC classification number: H04B7/0456 ,  H04L25/0202

Abstract: This application discloses a channel estimation method and apparatus, and relates to the field of communications technologies, to help reduce indication overheads. The method may include: generating and sending indication information. The indication information is used to indicate K N-dimensional spatial-domain component vectors, L M-dimensional frequency-domain component vectors, and a weight matrix, to indicate to construct an M×N-dimensional spatial-frequency matrix, or an M×N or N×M spatial-frequency matrix.

公开(公告)号：US11456786B2

公开(公告)日：2022-09-27

申请号：US17230523

申请日：2021-04-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaohan Wang ,  Huangping Jin ,  Xiaoyan Bi

IPC: H04B7/04 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00

Abstract: This disclosure discloses methods and apparatuses for signal processing. In an implementation, a method comprises: generating first indication information, wherein the first indication information indicates L1 space domain vectors in a space domain vector set, K1 frequency domain vectors in a frequency domain vector set, and T1 space-frequency component matrices, wherein a precoding vector of one or more frequency domain units is determined by a weighted sum of the T1 space-frequency component matrices, wherein the L1 space domain vectors and the K1 frequency domain vectors correspond to M1 space-frequency component matrices that comprise the T1 space-frequency component matrices, wherein each of the M1 space-frequency component matrices is uniquely determined by a different combination of one of the L1 space domain vectors and one of the K1 frequency domain vectors; and sending the first indication information.