US-12628116-B2 - Positioning method and apparatus, and communication device and storage medium

Abstract

Positioning methods and communication devices are provided. In one positioning method, a first terminal device sends a capability indication message to a second terminal device, the capability indication message carries bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning.

Inventors

• Xiaowei Jiang

Assignees

• BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

Dates

Publication Date

20260512

Application Date

20201204

Claims (19)

1. 1 . A positioning method, comprising: receiving, by a first terminal device, bandwidth indication information of a second terminal device sent by the second terminal device, wherein the bandwidth indication information of the second terminal device represents a bandwidth supported or suggested by the second terminal device for positioning; determining, by the first terminal device and based on the bandwidth indication information of the second terminal device, bandwidth indication information of the first terminal device carried in a capability indication message; sending, by the first terminal device, the capability indication message to the second terminal device, wherein the capability indication message carries the bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning.
2. 2 . The method according to claim 1 , further comprising: receiving, by the first terminal device, a capability request message sent by the second terminal device.
3. 3 . The method according to claim 2 , wherein the capability request message carries the bandwidth indication information of the second terminal device.
4. 4 . The method according to claim 2 , wherein the capability request message carries a target field; and the target field is used for indicating the first terminal device to send the capability indication message.
5. 5 . The method according to claim 1 , further comprising: receiving, by the first terminal device, a measurement request sent by the second terminal device, wherein the measurement request carries the bandwidth indication information of the second terminal device, and the bandwidth indication information of the second terminal device in the measurement request represents the bandwidth suggested by the second terminal device for positioning; and sending, by the first terminal device, a measurement response to the second terminal device, wherein the measurement response is used for indicating that positioning based on the bandwidth indication information carried in the measurement request is rejected or accepted by the first terminal device.
6. 6 . The method according to claim 5 , wherein the measurement response is used for indicating that positioning based on the bandwidth indication information carried in the measurement request is rejected by the first terminal device; and the measurement response carries bandwidth indication information accepted by the first terminal device.
7. 7 . The method according to claim 1 , wherein the bandwidth indication information comprises at least one of following information: bandwidth indication information corresponding to at least one carrier frequency; bandwidth indication information corresponding to each carrier frequency of intra-band carrier aggregation; bandwidth indication information corresponding to each carrier frequency of inter-band carrier aggregation; or bandwidth indication information corresponding to each frequency band of inter-band carrier aggregation.
8. 8 . The method according to claim 7 , wherein the bandwidth indication information comprises an indicator bit used for representing whether measurement based on carrier aggregation is supported, and the measurement comprises at least one of distance measurement or angle measurement.
9. 9 . The method according to claim 1 , wherein the bandwidth indication information is used for representing at least one of following bandwidths: a bandwidth used for measuring a relative angle, and the relative angle comprises at least one of an arrival angle or a departure angle; or a bandwidth used for measuring a relative distance.
10. 10 . A positioning method, comprising: sending, by a second terminal device, bandwidth indication information of the second terminal device to a first terminal device, wherein the bandwidth indication information of the second terminal device represents a bandwidth supported or suggested by the second terminal device for positioning; and receiving, by the second terminal device, a capability indication message sent by the first terminal device, wherein the capability indication message carries bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning, wherein the bandwidth indication information of the first terminal device carried in the capability indication message is determined based on the bandwidth indication information of the second terminal device.
11. 11 . The method according to claim 10 , further comprising: sending, by the second terminal device, a measurement request to the first terminal device, wherein the measurement request carries the bandwidth indication information of the second terminal device; receiving, by the second terminal device, a measurement response sent by the first terminal device; and determining, by the second terminal device and based on the measurement response, that positioning based on the bandwidth indication information carried in the measurement request is rejected or accepted by the first terminal device.
12. 12 . The method according to claim 11 , wherein the measurement response is used for indicating that positioning based on the bandwidth indication information carried in the measurement request is rejected by the first terminal device; and the measurement response carries bandwidth indication information accepted by the first terminal device.
13. 13 . The method according to claim 10 , wherein the bandwidth indication information comprises at least one of following information: bandwidth indication information corresponding to at least one carrier frequency; bandwidth indication information corresponding to each carrier frequency of intra-band carrier aggregation; bandwidth indication information corresponding to each carrier frequency of inter-band carrier aggregation; or bandwidth indication information corresponding to each frequency band of inter-band carrier aggregation.
14. 14 . The method according to claim 13 , wherein the bandwidth indication information comprises an indicator bit used for representing whether measurement based on carrier aggregation is supported, and the measurement comprises at least one of distance measurement or angle measurement.
15. 15 . The method according to claim 10 , wherein the bandwidth indication information is used for representing at least one of following bandwidths: a bandwidth used for measuring a relative angle, wherein the relative angle comprises at least one of an arrival angle or a departure angle; or a bandwidth used for measuring a relative distance.
16. 16 . The method according to claim 10 , wherein the bandwidth indication information is used for representing at least one of following bandwidths: a bandwidth used for sending a measurement positioning signal; or a bandwidth used for receiving a measurement positioning signal.
17. 17 . The method according to claim 10 , wherein the bandwidth comprises at least one of a maximum bandwidth or a bandwidth list.
18. 18 . The method according to claim 10 , wherein the bandwidth is represented using at least one of a bandwidth part identity or a resource pool identity.
19. 19 . A communication device, comprising: a transceiver; a memory; and a processor, connected to the transceiver and the memory respectively, wherein the processor is configured to control sending and receiving of a wireless signal of the transceiver through executing a computer-executable instruction of the memory, and the processor, through executing the computer-executable instruction of the memory, is configured to: receive bandwidth indication information of a second terminal device sent by the second terminal device, wherein the bandwidth indication information of the second terminal device represents a bandwidth supported or suggested by the second terminal device for positioning; determine, based on the bandwidth indication information of the second terminal device, bandwidth indication information of the first terminal device carried in a capability indication message; send the capability indication message to the second terminal device, wherein the capability indication message carries the bandwidth indication information of a first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning; or send bandwidth indication information of a second terminal device to a first terminal device, wherein the bandwidth indication information of the second terminal device represents a bandwidth supported or suggested by the second terminal device for positioning; and receive a capability indication message sent by the first terminal device, wherein the capability indication message carries bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning, wherein the bandwidth indication information of the first terminal device carried in the capability indication message is determined based on the bandwidth indication information of the second terminal device.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present application is the U.S. National Stage of International Application No. PCT/CN2020/133977, filed on Dec. 4, 2020, the contents of which are incorporated herein by reference in their entireties for all purposes. BACKGROUND In a wireless communication system, in order to determine a distance between one terminal device and another terminal device, there is usually a need for positioning between terminal devices. The positioning is achieved based on a bandwidth of a signal used, however, the bandwidth supported by different devices varies. How to accurately determine the bandwidth is crucial for positioning. SUMMARY The present disclosure relates to the technology field of wireless communication, and in particular to a positioning method and apparatus, and communication device and storage medium. In a first aspect, the present disclosure provides a positioning method. The method is executed by a first terminal device and includes: sending a capability indication message to a second terminal device, where the capability indication message carries bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning. In a second aspect, the present disclosure provides a positioning method. The method is executed by a second terminal device and includes: receiving a capability indication message sent by a first terminal device, where the capability indication message carries bandwidth indication information of the first terminal device, and the bandwidth indication information of the first terminal device represents a bandwidth supported by the first terminal device for positioning. In a third aspect, the present disclosure provides a communication device, including: a transceiver; a memory; and a processor, connected to the transceiver and the memory respectively, where the processor is configured to control sending and receiving of a wireless signal of the transceiver through executing a computer-executable instruction of the memory, and the processor is capable of implementing any method described in the first aspect or the second aspect. In a fourth aspect, the present disclosure provides a computer storage medium. The computer storage medium stores a computer-executable instruction, where the computer executable instruction, when executed by a processor, is capable of implementing any method described in the first aspect or the second aspect. The additional aspects and advantages of the present disclosure will be partially provided in the following description, and some will become apparent from the following description or will be learned through the practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS The above and/or additional aspects and advantages of the present disclosure will become apparent and easy to understand from the description of the embodiments in conjunction with the accompanying drawings. FIG. 1 is a schematic flowchart of a positioning method provided by an embodiment of the present disclosure. FIG. 2 is a schematic diagram of a relative angle provided by an embodiment of the present disclosure. FIG. 3 is a schematic flowchart of another positioning method provided by an embodiment of the present disclosure. FIG. 4 is a schematic flowchart of another positioning method provided by an embodiment of the present disclosure. FIG. 5 is a schematic flowchart of a positioning method provided by an embodiment of the present disclosure. FIG. 6 is a schematic flowchart of another positioning method provided by an embodiment of the present disclosure. FIG. 7 is a schematic flowchart of another positioning method provided by an embodiment of the present disclosure. FIG. 8 is a schematic structure diagram of a positioning apparatus provided by an embodiment of the present disclosure. FIG. 9 is a schematic structure diagram of another positioning apparatus provided by an embodiment of the present disclosure. FIG. 10 is a block diagram of a communication device provided by an embodiment of the present disclosure. DETAILED DESCRIPTION Exemplary embodiments will be described herein in detail, examples of which are represented in the accompanying drawings. Where the following description relates to the accompanying drawings, the same numerals in different accompanying drawings indicate the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments that are consistent with embodiments of the present disclosure. Rather, they are only examples of apparatus and methods that are consistent with some aspects of the embodiments of the present disclosure, as detailed in the appended claims. The terms used in the embodiments of the present disclosure are used solely for the purpose of describing particular embodiments