CN-122029877-A - Sidestream communication method, device, equipment and storage medium

Abstract

A side communication method, device, equipment and storage medium relate to the technical field of communication. The method comprises the steps that first information sent by second terminal equipment is received by the first terminal equipment, the first information is used for indicating a first channel measurement result measured by the second terminal equipment (710), the first terminal equipment determines a first sending parameter according to the first channel measurement result, and the first sending parameter is used for lateral transmission of the first terminal equipment (720). By the method, a channel measurement mode of cooperation among the terminals is realized, so that the transmission parameters used in the process of performing side transmission determined by the first terminal equipment are more in line with the congestion degree of the system, and the accuracy and the efficiency of congestion control of the system are improved.

Inventors

• DING YI

Assignees

• OPPO广东移动通信有限公司

Dates

Publication Date

20260512

Application Date

20231222

Claims (20)

1. A method of sidestream communication, wherein the method is performed by a first terminal device, the method comprising: Receiving first information sent by second terminal equipment, wherein the first information is used for indicating a first channel measurement result measured by the second terminal equipment; And determining a first transmission parameter according to the first channel measurement result, wherein the first transmission parameter is used for the first terminal equipment to carry out sidestream transmission.
2. The method of claim 1, wherein the first transmission parameters comprise transmission parameters corresponding to a first spatial transmission filter of the first terminal device, the first spatial transmission filter being a spatial transmission filter used for transmission by the first terminal device.
3. The method of claim 1, wherein the first channel measurement is determined based on a first channel quality parameter, the first channel quality parameter being a channel quality parameter measured by the second terminal device in a first time domain unit.
4. The method of claim 3, wherein the first time domain unit comprises a time domain unit in which the second terminal device receives omnidirectionally, and/or a time domain unit in which the second terminal device receives using a second spatial transmission filter, the second spatial transmission filter being a spatial transmission filter used for reception by the second terminal device.
5. The method of claim 4, wherein the step of determining the position of the first electrode is performed, The second spatial transmission filter is used for receiving the data sent by the first spatial transmission filter, or, The second spatial transmission filter is a spatial transmission filter corresponding to the first spatial transmission filter in at least one spatial transmission filter used for receiving by the second terminal equipment; Wherein the first spatial transmission filter is a spatial transmission filter used for the first terminal device to transmit.
6. The method according to any of claims 3 to 5, wherein the first time domain unit is located within a first measurement window; the first measurement window is indicated by the first terminal device to the second terminal device or, The first measurement window is determined by the second terminal device itself.
7. The method according to claim 1, wherein the method further comprises: Measuring to obtain a second channel measurement result; the determining a first transmission parameter according to the first channel measurement result includes: And determining the first transmission parameter according to the first channel measurement result and the second channel measurement result.
8. The method of claim 7, wherein the measuring results in a second channel measurement, comprising: Measuring to obtain a second channel quality parameter, wherein the second channel quality parameter is a channel quality parameter measured by the first terminal equipment in a second time domain unit; And determining the second channel measurement result according to the second channel quality parameter.
9. The method of claim 8, wherein the second time domain unit comprises a time domain unit in which the first terminal device receives omnidirectionally, and/or a time domain unit in which the first terminal device receives using a third spatial transmission filter, the third spatial transmission filter being a spatial transmission filter used for the first terminal device to receive.
10. The method of claim 9, wherein the step of determining the position of the substrate comprises, The third spatial transmission filter covers the first spatial transmission filter or, The third spatial transmission filter is a spatial transmission filter corresponding to the first spatial transmission filter in at least one spatial transmission filter used for receiving by the first terminal equipment; Wherein the first spatial transmission filter is a spatial transmission filter used for the first terminal device to transmit.
11. The method according to any of claims 7 to 10, wherein said determining said first transmission parameter from said first channel measurement and said second channel measurement comprises: Determining a third channel measurement result according to the first channel measurement result and the second channel measurement result, wherein the third channel measurement result is an average value or a larger value or a smaller value or any value of the first channel measurement result and the second channel measurement result; And determining the first transmission parameter according to the third channel measurement result.
12. The method of claim 11, wherein the method further comprises: third information is transmitted to the network device, the third information including at least one of the first channel measurement, the second channel measurement, and the third channel measurement.
13. The method according to any of claims 1 to 12, wherein the first channel measurement is a channel busy rate CBR or CBR level.
14. The method according to any one of claims 1 to 13, wherein, The first information is sent by the second terminal device to the first terminal device based on a condition, or, The first information is sent by the second terminal equipment after receiving second information sent by the first terminal equipment, and the second information is used for triggering the second terminal equipment to send the first information.
15. The method of any one of claims 1 to 14, wherein the first transmission parameters include at least one of a channel occupancy CR limit, a maximum modulation and coding strategy MCS level corresponding to a physical side shared channel PSSCH, a minimum MCS level corresponding to a PSSCH, a maximum number of sub-channels occupied by a PSSCH in a frequency domain, a minimum number of sub-channels occupied by a PSSCH in a frequency domain, a maximum transmission power of a PSSCH, and a maximum number of retransmissions of a PSSCH.
16. A method of sidestream communication, wherein the method is performed by a second terminal device, the method comprising: And sending first information to a first terminal device, wherein the first information is used for indicating a first channel measurement result measured by the second terminal device, the first channel measurement result is used for determining a first sending parameter, and the first sending parameter is used for performing side transmission by the first terminal device.
17. The method of claim 16, wherein the first transmission parameters comprise transmission parameters corresponding to a first spatial transmission filter of the first terminal device, the first spatial transmission filter being a spatial transmission filter used for transmission by the first terminal device.
18. The method of claim 16, wherein the method further comprises: Measuring to obtain a first channel quality parameter, wherein the first channel quality parameter is a channel quality parameter measured by the second terminal equipment in a first time domain unit; And determining the first channel measurement result according to the first channel quality parameter.
19. The method of claim 18, wherein the first time domain unit comprises a time domain unit in which the second terminal device receives omnidirectionally, and/or a time domain unit in which the second terminal device receives using a second spatial transmission filter, the second spatial transmission filter being a spatial transmission filter used for reception by the second terminal device.
20. The method of claim 19, wherein the step of determining the position of the probe comprises, The second spatial transmission filter is used for receiving the data sent by the first spatial transmission filter, or, The second spatial transmission filter is a spatial transmission filter corresponding to the first spatial transmission filter in at least one spatial transmission filter used for receiving by the second terminal equipment; Wherein the first spatial transmission filter is a spatial transmission filter used for the first terminal device to transmit.

Description

Sidestream communication method, device, equipment and storage medium Technical Field The embodiment of the application relates to the technical field of communication, in particular to a sidestream communication method, a sidestream communication device, sidestream communication equipment and a storage medium. Background In SL (Sidelink ) communication, channel measurements such as CBR (Channel Busy Ratio, channel busy rate) and CR (Channel Occupancy Ratio, channel occupancy) are introduced for supporting congestion control. With the evolution of technology, terminal devices performing SL communication can transmit and receive through beams (also called spatial transmission filters), and in this scenario, how the terminal devices acquire channel measurement results such as CBR or CR and use the channel measurement results for congestion control needs to be further studied. Disclosure of Invention The embodiment of the application provides a sidestream communication method, device, equipment and storage medium. The technical scheme is as follows: according to an aspect of an embodiment of the present application, there is provided a sidestream communication method, the method being performed by a first terminal device, the method including: Receiving first information sent by second terminal equipment, wherein the first information is used for indicating a first channel measurement result measured by the second terminal equipment; And determining a first transmission parameter according to the first channel measurement result, wherein the first transmission parameter is used for the first terminal equipment to carry out sidestream transmission. According to an aspect of the embodiment of the present application, there is provided a sidestream communication method, the method being performed by a second terminal device, the method comprising: And sending first information to a first terminal device, wherein the first information is used for indicating a first channel measurement result measured by the second terminal device, the first channel measurement result is used for determining a first sending parameter, and the first sending parameter is used for performing side transmission by the first terminal device. According to an aspect of an embodiment of the present application, there is provided a sidestream communication apparatus, the apparatus comprising: The receiving module is used for receiving first information sent by second terminal equipment, wherein the first information is used for indicating a first channel measurement result measured by the second terminal equipment; and the processing module is used for determining a first transmission parameter according to the first channel measurement result, wherein the first transmission parameter is used for the first terminal equipment to carry out sidestream transmission. According to an aspect of an embodiment of the present application, there is provided a sidestream communication apparatus, the apparatus comprising: The transmitting module is used for transmitting first information to the first terminal equipment, the first information is used for indicating a first channel measurement result measured by the second terminal equipment, the first channel measurement result is used for determining a first transmitting parameter, and the first transmitting parameter is used for performing side transmission by the first terminal equipment. According to an aspect of the embodiment of the present application, there is provided a terminal device, including a processor and a memory, where the memory stores a computer program, and the processor executes the computer program to implement the sidestream communication method on the first terminal device side or implement the sidestream communication method on the second terminal device side. According to an aspect of the embodiments of the present application, there is provided a computer-readable storage medium having stored therein a computer program for execution by a processor to implement the sidestream communication method on the first terminal device side or to implement the sidestream communication method on the second terminal device side. According to an aspect of the embodiment of the present application, there is provided a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip is running, the chip is configured to implement the sidestream communication method on the first terminal device side or implement the sidestream communication method on the second terminal device side. According to an aspect of the embodiments of the present application, there is provided a computer program product including computer instructions stored in a computer-readable storage medium, from which a processor reads and executes the computer instructions to implement the sidestream communication method on the first terminal device side or to implement the sidestream comm