CN-122029850-A - Communication method, first terminal, second terminal, system and storage medium

Abstract

The present disclosure relates to a communication method, a first terminal, a second terminal, a system, and a storage medium. The method comprises the steps that a first terminal triggers sensing service discovery through a device-to-device (D2D) interface based on a discovery program, establishes D2D communication connection with a second terminal to be discovered, sends a first request to the second terminal based on the D2D communication connection, and the first request is used for requesting sensing service and receiving sensing result information sent by the second terminal. Therefore, based on the D2D perception discovery of the UE, the perception service initiated by the UE is executed, the response speed and accuracy of the perception service are improved, and the delay of the perception service is reduced.

Inventors

• SHEN YANG
• WANG XINLI
• GONG YUBING
• HE ZHIBIN

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260512

Application Date

20240910

Claims (20)

1. A method of communication, performed by a first terminal, the method comprising: Based on the discovery program, triggering the perception service discovery through the device-to-device (D2D) interface, and establishing D2D communication connection with the discovered second terminal; Transmitting a first request to the second terminal based on the D2D communication connection, the first request being for requesting a awareness service; And receiving the perception result information sent by the second terminal.
2. The method of claim 1, wherein prior to the establishing a D2D communication connection with the discovered second terminal, the method further comprises: acquiring first information sent by one or more available terminals; determining the second terminal from the one or more available terminals according to the first information; Wherein the first information includes at least one of: The perceived service roles supported by the one or more available terminals; the perceived service capability supported by the one or more available terminals; a perception range supported by the one or more available terminals; Quality of service QoS supported by the one or more available terminals; location information of the one or more available terminals.
3. The method of claim 2, wherein the perceived service role comprises at least one of a perceived transmitter, perceived receiver, perceived server, and wherein the perceived service capabilities comprise at least one of perceived signal transmission capabilities, perceived signal reception capabilities, perceived result calculation capabilities.
4. A method according to any of claims 1-3, characterized in that the first request instructs the second terminal to determine a aware terminal according to the first request, the aware terminal comprising at least one of a aware transmitter, a aware receiver, a aware server.
5. The method according to any one of claims 1-4, wherein the first request comprises at least one of awareness target information, awareness result information, required QoS, available terminal information, wherein the available terminal is a terminal determined by the first terminal based on the awareness service discovery.
6. The method of claim 5, wherein the perception target information includes at least one of perception object information, perception region information.
7. The method of claim 6, wherein the perceived object information includes at least one of object location information, device ID information, and wherein the perceived region information includes at least one of region shape information, region location information, tracking area identification TAI list, perceived cell list, and region longitude and latitude information.
8. The method according to any one of claims 1-7, wherein the perception result information comprises at least one of position information, distance information, angle information, velocity information, identification information, detection information, reconstruction information, imaging information, tracking information, monitoring information.
9. The method according to any of claims 5-8, wherein the required QoS comprises at least one of QoS class, service delay, resulting resolution.
10. The method according to any of claims 1-9, wherein the discovery procedure comprises at least one of a proximity services ProSe discovery procedure, a internet of vehicles V2X discovery procedure.
11. A method of communication, performed by a second terminal, the method comprising: Based on a discovery program, determining that the second terminal is discovered by a first terminal through perceived service discovery, and establishing D2D communication connection with the first terminal; receiving a first request sent by the first terminal based on the D2D communication connection, wherein the first request is used for requesting a perception service; And sending perception result information to the first terminal according to the first request.
12. The method of claim 11, wherein the sending, according to the first request, the sensing result information to the first terminal includes: Triggering the perception service discovery through a D2D interface according to the first request, and establishing D2D communication connection with a third terminal to be discovered; Based on the D2D communication connection, carrying out capability exchange with the third terminal to acquire the perception service capability of the third terminal; determining a perception server from the third terminal according to the perception service capability; transmitting the first request to the perception server based on the D2D communication connection; receiving the perception result information sent by the perception server; and sending the perception result information to the first terminal.
13. The method of claim 12, wherein prior to said determining a perception server from said third terminal based on said perceived service capabilities, said method further comprises: and determining that the second terminal does not support the perception server function.
14. A method according to claim 12 or 13, wherein the first request comprises a perceived service capability for instructing a perceived server to determine available terminals from the third terminals based on the perceived service capability.
15. The method according to any of claims 12-14, wherein the second terminal and the third terminal each meet a set condition, the set condition comprising at least one of: no service is provided by the radio access network RAN node; The service network does not support the awareness services; The perceived operation performed by the device alone is preferentially selected.
16. The method according to any of claims 12-15, characterized in that before said establishing a D2D communication connection with the third terminal being discovered, the method further comprises: acquiring first information sent by one or more available terminals; Determining the third terminal from the one or more available terminals according to the first information; The first information includes at least one of: The perceived service roles supported by the one or more available terminals; the perceived service capability supported by the one or more available terminals; a perception range supported by the one or more available terminals; QoS supported by the one or more available terminals; location information of the one or more available terminals.
17. The method of claim 16, wherein the perceived service role comprises at least one of a perceived transmitter, perceived receiver, perceived server, and wherein the perceived service capabilities comprise at least one of perceived signal transmission capabilities, perceived signal reception capabilities, perceived result calculation capabilities.
18. The method according to any one of claims 11-17, wherein the sending, according to the first request, perception result information to the first terminal comprises: determining a perception terminal according to the first request, wherein the perception terminal comprises at least one of a perception transmitter, a perception receiver and a perception server; sending a sensing measurement request to the sensing terminal; Receiving measurement data sent by the sensing terminal; Generating the perception result information according to the measurement data; and sending the perception result information to the first terminal.
19. The method according to any of claims 11-18, wherein the first request comprises at least one of awareness target information, awareness result information, required QoS, available terminal information, wherein the available terminal is a terminal determined by the first terminal based on the awareness service discovery.
20. The method of claim 19, wherein the perception target information includes at least one of perception object information, perception region information.

Description

Communication method, first terminal, second terminal, system and storage medium Technical Field The disclosure relates to the field of communication technologies, and in particular, to a communication method, a first terminal, a second terminal, a system and a storage medium. Background ISAC (INTEGRATED SENSING AND Communication, communication awareness integration) refers to the simultaneous use of RF (Radio Frequency) signals for sensing and Communication. Such integration may improve spectral efficiency, reduce latency, and enhance reliability for various applications. The relationship between the integrated sensing and communication and the mobile operator, the User Equipment (UE) provider, the terminal provider and the User is particularly close, so that the overall User experience can be remarkably improved, and the network efficiency is improved. Disclosure of Invention In order to overcome the technical problem of higher perceived service delay in the related art, the disclosure provides a communication method, a first terminal, a second terminal, a system and a storage medium. According to a first aspect of embodiments of the present disclosure, a communication method is provided, which is performed by a first terminal, the method including: Based on the discovery program, triggering the perception service discovery through the device-to-device (D2D) interface, and establishing D2D communication connection with the discovered second terminal; Transmitting a first request to the second terminal based on the D2D communication connection, the first request being for requesting a awareness service; And receiving the perception result information sent by the second terminal. According to a second aspect of the embodiments of the present disclosure, there is provided a communication method performed by a second terminal, the method comprising: based on a discovery program, determining that the second terminal is discovered by a first device through perceived service discovery, and establishing D2D communication connection with the first terminal; receiving a first request sent by the first terminal based on the D2D communication connection, wherein the first request is used for requesting a perception service; And sending perception result information to the first terminal according to the first request. According to a third aspect of embodiments of the present disclosure, there is provided a first terminal, including: The receiving and transmitting module is configured to trigger the perception service discovery through the D2D interface based on the discovery program, and establish D2D communication connection with the discovered second terminal; the transceiver module is further configured to send a first request to the second terminal based on the D2D communication connection, the first request being for requesting a awareness service; The transceiver module is further configured to receive the sensing result information sent by the second terminal. According to a fourth aspect of embodiments of the present disclosure, there is provided a second terminal, including: a transceiver module configured to determine that the second terminal is discovered by a first device through a perceived service discovery based on a discovery procedure, and establish a D2D communication connection with the first terminal; The transceiver module is further configured to receive a first request sent by the first terminal based on the D2D communication connection, where the first request is used for requesting a sensing service; The transceiver module is further configured to send perception result information to the first terminal according to the first request. According to a fifth aspect of an embodiment of the present disclosure, there is provided a first terminal, including: one or more processors; Wherein the first terminal is configured to perform the communication method according to any one of the first aspects of the present disclosure. According to a sixth aspect of the embodiments of the present disclosure, there is provided a second terminal, including: one or more processors; Wherein the second terminal is configured to perform the communication method according to any one of the second aspects of the present disclosure. According to a seventh aspect of the embodiments of the present disclosure, a communication system is provided, including a first terminal and a second terminal; The first terminal is configured to trigger a perception service discovery through a D2D interface based on a discovery program, establish a D2D communication connection with a discovered second terminal, send a first request to the second terminal based on the D2D communication connection, the first request is used for requesting a perception service and receiving perception result information sent by the second terminal, the second terminal is configured to determine that the second terminal is discovered by a first device throug