CN-121986457-A - Sensing method and sensing device

Abstract

A wireless communication method for a first wireless network node is disclosed. The method includes receiving a sensing service request for a sensing task from a wireless terminal and determining a Sensing Function (SF) based on the sensing service request.

Inventors

• YAN XIAOJIAN
• DING XUEXIN
• ZHU JINGUO

Assignees

• 中兴通讯股份有限公司

Dates

Publication Date

20260505

Application Date

20231007

Claims (20)

1. 1. A wireless communication method for a first wireless network node, the method comprising: Receiving a perception service request of a perception task from a wireless terminal, and A Sensing Function (SF) is determined based on the sensing service request.
2. 2. The wireless communication method of claim 1, wherein the perceived service request is a non-access stratum (NAS) message, Wherein the method further comprises: a NAS security context is received from an access and mobility management function, the NAS security context being configured to process NAS messages between the wireless terminal and the first wireless network node.
3. 3. The wireless communication method of claim 1 or 2, wherein the perceived service request includes at least one of a perceived task identifier, a target area, one or more quality of service (QoS) parameters, or a reporting type.
4. 4. A wireless communication method according to any one of claims 1 to 3, further comprising: And storing the perception information of the perception task to a data storage function.
5. 5. The wireless communication method of claim 4, wherein the awareness information comprises at least one of an awareness task identifier, an SF identifier, or one or more awareness requirements.
6. 6. The wireless communication method according to any one of claims 1 to 5, further comprising: And transmitting a perception service request of the perception task to the determined SF.
7. 7. The wireless communication method of any of claims 1-6, wherein determining the SF based on the perceived service request comprises: Retrieving perception information of the perception task from a data repository function by using a perception task identifier determined based on the perception service request and a user permanent identifier of the wireless terminal, and SF is determined based on the SF identifier in the awareness information.
8. 8. The wireless communication method according to any one of claims 1 to 7, further comprising: A NAS security context is retrieved from a data store function, the NAS security context configured to process NAS messages of the wireless terminal.
9. 9. The wireless communication method according to any one of claims 1 to 8, further comprising: And transmitting the perception information of the perception task for switching to the second wireless network node.
10. 10. The wireless communication method of claim 9, wherein the awareness information comprises at least one of an awareness task identifier, an SF identifier, or one or more awareness requirements.
11. 11. The wireless communication method according to claim 9 or 10, wherein the awareness information of the awareness task is transmitted to the second wireless network node via a first access and mobility management function (AMF) of the first wireless network node and a second AMF of the second wireless network node.
12. 12. A wireless communication method for a second wireless network node, the method comprising: Sensing information for a sensing task of a handover is received from a first radio network node.
13. 13. The wireless communication method of claim 12, wherein the awareness information comprises at least one of an awareness task identifier, an awareness function (SF) identifier, or one or more awareness requirements.
14. 14. The wireless communication method according to claim 12 or 13, wherein the awareness information of the awareness task is received from the first wireless network node via a first access and mobility management function (AMF) of the first wireless network node and a second AMF of the second wireless network node.
15. 15. The wireless communication method according to any one of claims 12 to 14, further comprising: Transmitting a sensing update request to the SF determined based on the sensing information, which instructs the second radio network node to perform the sensing task.
16. 16. A wireless communication method for a first access and mobility management function (AMF), the method comprising: Transmitting a non-access stratum (NAS) security context to a first wireless network node, the NAS security context configured to process NAS messages between a wireless terminal and the first wireless network node.
17. 17. The wireless communication method of claim 16, further comprising: The NAS security context is stored to a data store function along with a user permanent identifier of the wireless terminal.
18. 18. The wireless communication method according to claim 16 or 17, further comprising: Receiving awareness information and target information of an awareness task from the first radio network node, and And transmitting the perception information of the perception task to a second AMF determined based on the target information.
19. 19. The wireless communication method of claim 18, wherein the awareness information comprises at least one of an awareness task identifier, an awareness function (SF) identifier, or one or more awareness requirements.
20. 20. A wireless communication method for a Sensing Function (SF), the method comprising: A sensing service request for a sensing task is received from a first radio network node.

Description

Sensing method and sensing device Technical Field This document is primarily directed to wireless communications, and in particular to 5G communications. Background In 5G networks, the AMF (access and mobility management function) is responsible for relaying awareness messages between the RAN (radio access network) and the SF (awareness function). However, the sensing process involving AMF may be inefficient and may increase system complexity. Disclosure of Invention The present disclosure relates to methods, systems, and devices for sensing, and in particular, to sensing methods, systems, and devices that do not involve AMFs. The present disclosure relates to a wireless communication method for a first wireless network node. The method comprises the following steps: Receiving a perception service request of a perception task from a wireless terminal, and A Sensing Function (SF) is determined based on the sensing service request. Various embodiments may preferably implement the following features: preferably, the perceived service request is a non-access stratum (NAS) message. Preferably the wireless communication method further comprises receiving a NAS security context from the access and mobility management function, the NAS security context being configured to handle NAS messages between the wireless terminal and the first wireless network node. Preferably, the perceived service request includes at least one of a perceived task identifier, a target area, one or more quality of service (QoS) parameters, or a reporting type. Preferably, the wireless communication method further comprises storing the awareness information of the awareness task to a data store function. Preferably, the perception information comprises at least one of a perception task identifier, an SF identifier or one or more perception requirements. Preferably, the wireless communication method further comprises transmitting a perceived service request of a perceived task to the determined SF. Preferably, determining the SF based on the perceived service request comprises: Retrieving awareness information of an awareness task from a data store function using an awareness task identifier determined based on the awareness service request and a user-permanent identifier of the wireless terminal, and The SF is determined based on the SF identifier in the perception information. Preferably, the wireless communication method further comprises retrieving a NAS security context from the data store function, the NAS security context configured to process the NAS message of the wireless terminal. Preferably, the wireless communication method further comprises transmitting awareness information of the awareness task for the handover to the second wireless network node. Preferably, the perception information comprises at least one of a perception task identifier, an SF identifier or one or more perception requirements. Preferably, the awareness information of the awareness task is transmitted to the second radio network node via a first access and mobility management function (AMF) of the first radio network node and a second AMF of the second radio network node. The present disclosure relates to a wireless communication method for a second wireless network node. The method comprises the following steps: Sensing information for a sensing task of a handover is received from a first radio network node. Various embodiments may preferably implement the following features: preferably, the perception information comprises at least one of a perception task identifier, a perception function (SF) identifier or one or more perception requirements. Preferably, the awareness information of the awareness task is received from the first radio network node via a first access and mobility management function (AMF) of the first radio network node and a second AMF of the second radio network node. Preferably, the wireless communication method further comprises transmitting a awareness update request to the SF determined based on the awareness information, instructing the second wireless network node to perform the awareness task. The present disclosure relates to a wireless communication method for a first access and mobility management function (AMF). The method comprises the following steps: A non-access stratum (NAS) security context is transmitted to the first wireless network node, the NAS security context configured to process NAS messages between the wireless terminal and the first wireless network node. Various embodiments may preferably implement the following features: Preferably, the wireless communication method further comprises storing the NAS security context to a data store function along with the user-permanent identifier of the wireless terminal. Preferably, the wireless communication method further comprises: receiving perception information and target information of a perception task from a first wireless network node, and And transmitting the per