Communication method and apparatus

Patent metadata

Field	Value
Publication number	US-2026089757-A1
Application number	US-202519410090-A
Country	US
Kind code	A1
Filing date	Dec 5, 2025
Priority date	Jun 6, 2023
Publication date	Mar 26, 2026
Grant date	—

Abstract

Embodiments of this application provide a communication method and apparatus. The method includes: A first apparatus determines weighting information N streams of sensing sequences of a second apparatus, where N is a positive integer; and the first apparatus sends a first sensing frame, where the first sensing frame includes the weighting information. After receiving the first sensing frame, the second apparatus may weight the N streams of sensing sequences of the second apparatus based on the weighting information, of the N streams of sensing sequences, in the first sensing frame, and then perform transmission.

First claim

1 . A communication method, wherein the method comprises:
determining, by a first apparatus, weighting information N streams of sensing sequences of a second apparatus, wherein N is a positive integer; and sending, by the first apparatus, a first sensing frame, wherein the first sensing frame comprises the weighting information.

2 . The method according to claim 1 , wherein before determining, by the first apparatus, the weighting information of the second apparatus, the method further comprises:
sending, by the first apparatus, a request message to the second apparatus, wherein the request message is used to request to set up sensing measurement, the request message comprises at least one sensing subelement, and each sensing subelement corresponds to a weighting matrix.

3 . The method according to claim 1 , wherein before determining, by the first apparatus, the weighting information of the second apparatus, the method further comprises:
sending, by the first apparatus, a request message to the second apparatus, wherein the request message is used to request to set up sensing measurement, the request message comprises at least one sensing subelement, and each sensing subelement corresponds to a phase rotation codebook of a sensing sequence.

4 . The method according to claim 2 , wherein the request message further comprises first indication information, and the first indication information indicates to use a weighted collaborative sensing mode.

5 . The method according to claim 4 , wherein the method further comprises:
receiving, by the first apparatus, a response message from the second apparatus, wherein the response message indicates that the second apparatus supports to use the weighted collaborative sensing mode.

6 . The method according to claim 2 , wherein before sending, by the first apparatus, the first sensing frame, the method further comprises:
sending, by the first apparatus, a second sensing frame to the second apparatus, wherein the second sensing frame comprises second indication information, and the second indication information indicates to perform weighted transmission on the sensing sequence.

7 . The method according to claim 2 , wherein the sensing subelement comprises a weighting matrix indication field, and the weighting matrix indication field indicates the corresponding weighting matrix.

8 . The method according to claim 7 , wherein the weighting matrix field comprises X bits, X is a positive integer, the X bits comprise three parts, a first part indicates a weighting matrix of 2×2, a second part indicates a weighting matrix of 4×4, and the second part and a third part jointly indicate a weighting matrix of 8×8.

9 . The method according to claim 3 , wherein the sensing subelement comprises a codebook indication field, and the codebook indication field indicates the phase rotation codebook of the sensing sequence.

10 . The method according to claim 9 , wherein the codebook indication field comprises Y bits, the Y bits comprise L groups of bits, each group of bits indicates coding of one phase rotation manner, and Y and L are positive integers.

11 . A first apparatus, comprising a processor and a memory, wherein
the processor is configured to execute instructions stored in the memory, to cause the first apparatus to:
determine weighting information N streams of sensing sequences of a second apparatus, wherein N is a positive integer; and
send a first sensing frame, wherein the first sensing frame comprises the weighting information.

12 . The first apparatus according to claim 11 , wherein the processor is configured to execute the instructions to further cause the first apparatus to:
send a request message to the second apparatus before determining the weighting information of the second apparatus, wherein the request message is used to request to set up sensing measurement, the request message comprises at least one sensing subelement, and each sensing subelement corresponds to a weighting matrix.

13 . The first apparatus according to claim 11 , wherein the processor is configured to execute the instructions to further cause the first apparatus to:
send a request message to the second apparatus before determining the weighting information of the second apparatus, wherein the request message is used to request to set up sensing measurement, the request message comprises at least one sensing subelement, and each sensing subelement corresponds to a phase rotation codebook of a sensing sequence.

14 . The first apparatus according to claim 12 , wherein the request message further comprises first indication information, and the first indication information indicates to use a weighted collaborative sensing mode.

15 . The first apparatus according to claim 14 , wherein the processor is configured to execute the instructions to further cause the first apparatus to:
receive a response message from the second apparatus, wherein the response message indicates that the second apparatus supports to use the weighted collaborative sensing mode.

16 . The first apparatus according to claim 12 , wherein the processor is configured to execute the instructions to further cause the first apparatus to:
sending a second sensing frame to the second apparatus before sending the first sensing frame, wherein the second sensing frame comprises second indication information, and the second indication information indicates to perform weighted transmission on the sensing sequence.

17 . The first apparatus according to claim 12 , wherein the sensing subelement comprises a weighting matrix indication field, and the weighting matrix indication field indicates the corresponding weighting matrix.

18 . The first apparatus according to claim 17 , wherein the weighting matrix field comprises X bits, X is a positive integer, the X bits comprise three parts, a first part indicates a weighting matrix of 2×2, a second part indicates a weighting matrix of 4×4, and the second part and a third part jointly indicate a weighting matrix of 8×8.

19 . The first apparatus according to claim 13 , wherein the sensing subelement comprises a codebook indication field, and the codebook indication field indicates the phase rotation codebook of the sensing sequence.

20 . The first apparatus according to claim 19 , wherein the codebook indication field comprises Y bits, the Y bits comprise L groups of bits, each group of bits indicates coding of one phase rotation manner, and Y and L are positive integers.

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhang Yiyan
• Du Rui
• Sun Li
• Naren Gerile
• Hu Mengshi
• Han Xiao
• Liu Peng
• Tang Zhuqing

Classifications

• H04W24/10

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title

• H04B7/0639

  Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection · CPC title

• H04W24/02

  Arrangements for optimising operational condition · CPC title

• H04W12/03 Primary

  Protecting confidentiality, e.g. by encryption · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title