WO-2026091900-A1 - COMMUNICATION METHOD AND RELATED APPARATUS

Abstract

A communication method and a related apparatus. The method comprises: a first communication apparatus receiving first information, which is used for determining first map information from among one or more pieces of map information; and the first communication apparatus sending second information, which indicates the first map information, wherein the first map information is used for communication between a terminal device and a first network device. In other words, the first communication apparatus may determine the first map information from among the one or more pieces of map information on the basis of the received first information, and the first communication apparatus may send the second information that indicates the first map information. In this way, a receiver of second information can assist in a communication process between a terminal device and a first network device on the basis of first map information indicated by a first communication apparatus, so as to improve the communication performance.

Inventors

• XIAO, Chaokun
• QIN, Qibo
• SUN, FEI
• PENG, WENJIE

Assignees

• 华为技术有限公司

Dates

Publication Date

20260507

Application Date

20250909

Priority Date

20241029

Claims (20)

1. A communication method, characterized in that it includes: Receive first information, the first information being used to determine the first map information from one or more map information; Send a second message, the second message indicating the first map information; wherein the first map information is used for communication between the terminal device and the first network device.
2. According to the method of claim 1, the first information includes first indication information, which indicates the spectral feature information between the terminal device and the first network device; Wherein, in the one or more spectral information, the correlation between the spectral feature information and the first spectral information is greater than or equal to the correlation between the spectral feature information and other spectral information.
3. The method according to claim 2, wherein the second information further indicates the index of the first atlas information.
4. The method according to claim 1, wherein the first information includes second indication information, the second indication information being used to indicate the index of the first atlas information; the method further includes: Send a third message, which is used to indicate the association between one or more map feature information and the index of the one or more map information; wherein the second indication information is determined based on the third message.
5. The method according to claim 4, characterized in that the method further comprises: The system receives a first indication message, which indicates the spectral feature information between the terminal device and the first network device; wherein the spectral feature information is used to determine the one or more spectral information.
6. According to the method of claim 1, the first information includes third indication information, which indicates the positioning information of the terminal device; wherein the area corresponding to the positioning information of the terminal device overlaps or partially overlaps with the area corresponding to the first map information.
7. The method according to claim 6, characterized in that the method further comprises: Receive at least one piece of information, wherein the third indication information and the at least one piece of information are used to determine the first map information from the one or more map information; The at least one piece of information includes: First indication information, the first indication information indicating the spectral feature information between the terminal device and the first network device; or The fourth indication information indicates the channel measurement information between the terminal device and the first network device.
8. The method according to any one of claims 2, 4, 5 or 7, characterized in that the spectral features include at least one of the following: Multipath, delay spread, channel information, channel covariance matrix, channel feature subspace, received signal energy, or angular spread.
9. The method according to any one of claims 1 to 8, wherein the terminal device is located in a first region; The first spectral information includes at least one of the following: scatterer information between any terminal device located in the first region and the first network device, channel statistical covariance matrix information, angular spectrum information, time delay spectrum information, channel feature subspace, spatial frequency domain basis, received signal energy, or path loss information.
10. A communication method, characterized in that it includes: First information is determined, which is used to determine the first map information from one or more map information; wherein, the first map information is used for communication between the terminal device and the first network device; Send the first message.
11. According to the method of claim 10, the first information includes first indication information, which indicates the spectral feature information between the terminal device and the first network device; Wherein, in the one or more spectral information, the correlation between the spectral feature information and the first spectral information is greater than or equal to the correlation between the spectral feature information and other spectral information.
12. The method according to claim 11, characterized in that the method further comprises: Receive second information, which indicates the first atlas information and the index of the first atlas information.
13. The method according to claim 10, wherein the first information includes second indication information, the second indication information being used to indicate the index of the first atlas information; the method further includes: Send a third message, which is used to indicate the association between one or more map feature information and the index of the one or more map information; wherein the second indication information is determined based on the third message.
14. The method according to claim 13, characterized in that the method further comprises: The system receives a first indication message, which indicates the spectral feature information between the terminal device and the first network device; wherein the spectral feature information is used to determine the one or more spectral information.
15. According to the method of claim 10, the first information includes third indication information, which indicates the positioning information of the terminal device; wherein the area corresponding to the positioning information of the terminal device overlaps or partially overlaps with the area corresponding to the first map information.
16. The method according to claim 15, characterized in that the method further comprises: Send at least one piece of information, wherein the third indication information and the at least one piece of information are used to determine the first map information among the one or more map information; The at least one piece of information includes: First indication information, the first indication information indicating the spectral feature information between the terminal device and the first network device; or The fourth indication information indicates the channel measurement information between the terminal device and the first network device.
17. The method according to any one of claims 11, 13, 14 or 16, characterized in that the spectral features include at least one of the following: Multipath, delay spread, channel information, channel covariance matrix, channel feature subspace, received signal energy, or angular spread.
18. The method according to any one of claims 10 to 17, wherein the terminal device is located in a first region; The first spectral information includes at least one of the following: scatterer information between any terminal device located in the first region and the first network device, channel statistical covariance matrix information, angular spectrum information, time delay spectrum information, channel feature subspace, spatial frequency domain basis, received signal energy, or path loss information.
19. A communication device, characterized in that it includes a module for performing the method as described in any one of claims 1 to 18.
20. A communication device, characterized in that it includes at least one processor coupled to a memory; the at least one processor is configured to perform the method as described in any one of claims 1 to 18.

Description

A communication method and related apparatus This application claims priority to Chinese Patent Application No. 202411530585.8, filed on October 29, 2024, entitled "A Communication Method and Related Device", the entire contents of which are incorporated herein by reference. Technical Field This application relates to the field of communications, and more particularly to a communication method and related apparatus. Background Technology Wireless communication can be a transmission communication between two or more communication devices that uses electromagnetic waves for propagation. Generally, these two or more communication devices include network devices and terminal devices. Currently, with the continuous development of communication networks, the communication performance of wireless communication faces enormous challenges due to factors such as increased system bandwidth, more terminal antennas, and heavier network load. Therefore, how to improve communication performance has become a current research hotspot. Summary of the Invention This application provides a communication method and related apparatus for improving communication performance. The first aspect of this application provides a communication method applied to a first communication device, for example, the method being executed by the first communication device. The first communication device may be a communication equipment, or it may be a component of the communication equipment (e.g., a circuit or chip responsible for communication functions, such as a modem chip, also known as a baseband chip, or a system-on-chip (SoC) chip containing a modem core, or a system-in-package (SIP) chip, etc.), or the first communication device may also be a logic module or software capable of implementing all or part of the functions of the communication equipment. In this method, a first communication device receives first information, which is used to determine first map information in one or more map information; the first communication device sends second information, which indicates the first map information; wherein the first map information is used for communication between a terminal device and a first network device. Based on the above scheme, the first communication device can determine the first map information from one or more map information based on the received first information, and the first communication device can send second information indicating the first map information. In this way, the recipient of the second information can assist the communication process between the terminal device and the first network device based on the first map information indicated by the first communication device, thereby improving communication performance. As an example, the spectral information involved in this application may include at least one of the following: scatterer information, channel statistical covariance matrix information, angular spectrum information, time delay spectrum information, channel feature subspace, spatial frequency domain basis, received signal energy, or path loss information. As another example, the spectral information involved in this application can be associated with the region where the terminal device is located. For example, in the above scheme, the terminal device is located in a first region; the first spectral information includes at least one of the following: scatterer information between any terminal device and a first network device located in the first region, channel statistical covariance matrix information, angular spectrum information, time delay spectrum information, channel feature subspace, spatial frequency domain basis, received signal energy, or path loss information. Alternatively, the above-mentioned area can be replaced with other descriptions, such as grid, geographic region, geographic range, channel feature range, or channel feature region. Alternatively, the map can be replaced with other descriptions, such as a channel map, twin channel, or physical layer map. For example, the first spectrum information can be used for at least one of the following communication functions: channel measurement, beamforming, positioning (e.g., determining the positioning location), or air interface transmission mode selection (e.g., selecting air interface parameters such as modulation order and power control parameters). In other words, the receiver of the second information can enable the at least one communication function based on the first spectrum information. For example, the receiver of the second information can determine or estimate the channel information between the terminal device and the first network device based on the first spectrum information, and determine the communication parameters based on the channel information. For example, the communication parameters may include one or more of frequency band information, power control parameters, or modulation and coding schemes (MCS). For exam