CN-122029847-A - Sensing in a wireless communication system

Abstract

A method, apparatus, and computer program are described that include receiving a sensing service request for a sensing service from a sensing client of a wireless communication system, selecting a sensing method for the sensing service, selecting a sensing device (including one or more radio access network nodes used for one of transmission and reception of sensing signals and one or more user devices used for the other of transmission and reception of sensing signals) to participate in the sensing service based on the selected sensing method, sending a sensing session establishment request to the one or more radio access network nodes, and receiving a response to the session establishment request, the response including providing an indication of success or failure of the sensing service.

Inventors

• Koh Hideaki
• A. Kusaridas
• P. GUPTA
• S. SINGH
• A. Noel Barreto

Assignees

• 诺基亚技术有限公司

Dates

Publication Date

20260512

Application Date

20240828

Priority Date

20230901

Claims (20)

1. 1. An apparatus for a wireless communication network, the apparatus comprising: at least one processor, and At least one memory storing instructions, wherein execution of the instructions causes the apparatus to at least perform: Receiving a sensing service request for a sensing service from a sensing client of the wireless communication system; selecting a sensing method for the sensing service based at least in part on sensing information included in the sensing request; Selecting a sensing device participating in the sensing service based on the selected sensing method, wherein the sensing device includes one or more radio access network nodes used for one of transmission and reception of sensing signals and one or more user devices used for the other of transmission and reception of sensing signals; Transmitting to the radio access network node(s) a sensing session establishment request for establishing a sensing session for the sensing service, the sensing session establishment request comprising a wireless sensing configuration of a transmitter or receiver as a sensing signal for the radio access network node, an identifier of the user equipment, and a sensing configuration of a transmitter or receiver as a sensing signal for the user equipment, and A response to the session establishment request is received, the response including an indication of success or failure to establish the sensing session for the sensing service.
2. 2. The apparatus of claim 1, wherein execution of the instructions further causes the apparatus to at least perform: Sensing data is received from one of the one or more radio access network nodes, wherein the sensing data is collected by the one or more radio access network nodes and the user equipment used to receive sensing signals.
3. 3. The apparatus of claim 2, wherein execution of the instructions further causes the apparatus to at least perform: Providing sensing output data to the sensing client in response to the sensing request, wherein the sensing output data is based at least in part on the sensing data received from the radio access network node.
4. 4. The apparatus of claim 3, wherein providing sensed output data to the sensing client further comprises processing the collected sensed data to generate the sensed output data.
5. 5. The apparatus of any of claims 1 to 4, wherein selecting a sensing device comprises selecting the user device based on at least one of: A user equipment defined in the sensing request; User equipment in the vicinity of a sensing area defined in the sensing request, and A user equipment connected to the selected radio access network node.
6. 6. The apparatus of any of claims 1-5, wherein selecting a sensing device comprises selecting the radio access network node based on at least one of: A radio access network node identified by an identifier of the radio access network node included in the sensing request, and A radio access network node in the vicinity of a sensing area defined in the sensing request.
7. 7. The apparatus of any of claims 1 to 6, wherein execution of the instructions further causes the apparatus to at least perform: Controlling session admission in which it is determined whether the defined requirements can be met with respect to the respective radio access network node and/or the user equipment.
8. 8. The apparatus of any of claims 1 to 7, wherein execution of the instructions further causes the apparatus to at least perform: in case a user equipment selected as one of the sensing devices is in an idle state, triggering paging of the selected user equipment.
9. 9. The apparatus of claim 8, wherein execution of the instructions further causes the apparatus to at least perform: In the event that a page failure indication is received in response to the page, an alternative user equipment is selected.
10. 10. A radio access network node of a wireless communication system, the radio access network node comprising: at least one processor, and At least one memory storing instructions, wherein execution of the instructions causes the radio access network node to at least perform: Receiving a session establishment request from a control module of the wireless communication system to establish a sensing session for a sensing service, wherein the session establishment request defines a sensing device engaged in the sensing service, the device comprising one or more network nodes including the radio access network node, and one or more user devices, wherein the radio access network node is used for one of transmission and reception of a sensing signal, and the one or more user devices are used for the other of transmission and reception of a sensing signal, and wherein the session establishment request further defines a sensing configuration for the radio access network node as a transmitter or receiver of a sensing signal, an identifier of the user device(s), and a sensing configuration for the user device(s) as a receiver or transmitter of a sensing signal; configuring a sensing procedure according to the sensing setup request, and Providing sensing data collected during the sensing procedure to the control module, wherein the sensing data is collected by one of the radio access network node(s) and the user equipment(s) used to receive a sensing signal.
11. 11. The radio access network node of claim 10, wherein execution of the instructions further causes the radio access network node to perform at least: Controlling session admission in which it is determined whether the respective radio access network node(s) and/or user equipment(s) are capable of meeting the defined requirements of the sensing system.
12. 12. The radio access network node of claim 10 or claim 11, wherein execution of the instructions further causes the radio access network node to perform at least: In case the sensing system is configured such that the radio access network node is used to receive sensing data, the sensing data collected during the sensing procedure is collected.
13. 13. The radio access network node of any of claims 10 to 12, wherein execution of the instructions further causes the radio access network node to perform at least: In a case where the sensing system is configured such that the user device(s) are used to receive sensed data, sensed data collected by the user device(s) during the sensing process is received.
14. 14. The radio access network node of any of claims 10 to 13, wherein execution of the instructions further causes the radio access network node to perform at least: And sending a paging request to one or more of the user equipment(s) in case the respective user equipment is in an idle state.
15. 15. The radio access network node of claim 14, wherein the paging request comprises a paging cause of the paging request, the paging cause indicating how the user equipment participates in the requested sensing session.
16. 16. A user equipment, comprising: at least one processor, and At least one memory storing instructions, wherein execution of the instructions causes the user equipment to at least perform: receiving a sensing configuration message from a radio access network node of a wireless communication system, wherein the session configuration message defines a sensing system comprising one or more radio access network nodes and one or more user equipments, wherein the radio access network node(s) are used for one of transmission and reception of sensing signals and the user equipment(s) are used for the other of transmission and reception of sensing signals, and And configuring a sensing process according to the sensing configuration message.
17. 17. The user equipment of claim 16, wherein execution of the instructions further causes the user equipment to at least perform: In case the sensing system is configured such that a respective radio access network node of the one or more radio access network nodes is used for receiving sensing data from the user equipment, the sensing data is collected during the sensing procedure and part or all of the wireless radio of the sensing data is provided to one of the one or more radio access network nodes.
18. 18. The user equipment of claim 16 or claim 17, wherein execution of the instructions further causes the user equipment to at least perform: in case the sensing system is configured such that a control module is used to receive sensing data from the user device, the sensing data is collected during the sensing process and part or all of the sensing data is provided to the control module.
19. 19. The user equipment of any of claims 16 to 18, wherein execution of the instructions further causes the user equipment to at least perform: in case the sensing system is configured such that the radio access network node is used to generate sensing data based on signals transmitted by the user equipment, signals for generating sensing data are transmitted.
20. 20. The user equipment of any of claims 16 to 19, wherein execution of the instructions further causes the user equipment to at least perform: Receiving a paging request for the radio access network node, and The sensing procedure is joined by establishing or restoring a connection with the radio access network node in response to the paging request.

Description

Sensing in a wireless communication system RELATED APPLICATIONS This patent application claims priority from uk patent application number 2313316.8 filed on1, 9, 2023, which is incorporated herein by reference as if reproduced in its entirety. Technical Field The present description relates to sensing in wireless communication systems. Background The present description relates to sensing in a wireless communication system, for example, to obtain awareness of a scene surrounding a sensing device. Example applications include detecting or tracking objects, and extracting features for identification or classification purposes. There is still a need for further development in this field. Disclosure of Invention In a first aspect, the present specification describes an apparatus (e.g., a sensing management function (SeMF)) comprising at least one processor, and at least one memory storing instructions, wherein execution of the instructions causes the apparatus to at least perform receiving a sensing service request for a sensing service from a sensing client (such as a user equipment, an application function, or a network function) of a wireless communication system, selecting a sensing method for the sensing service based at least in part on sensing information included in the sensing request, selecting a sensing device participating in the sensing service based on the selected sensing method, wherein the above-described sensing device comprises one or more radio access network nodes used for one of transmission and reception of a sensing signal, and one or more user devices used for the other of transmission and reception of the sensing signal, sending a sensing session establishment request for the sensing service to the radio access network node(s), the sensing session establishment request comprising a sensing configuration for the wireless node as a sensing signal, the user equipment for the sensing access network, the sensing device as a sensing device, and a user equipment failure to establish the sensing session, and a response to the sensing device as a successful session or a reception request to the user equipment. Execution of the instructions may also cause the apparatus to at least perform receiving sensing data from one of the one or more radio access network nodes, wherein the sensing data is collected by the one or more radio access network nodes and the user equipment used to receive the sensing signal. Execution of the instructions further causes the apparatus to at least perform providing, in response to the above-described sensing request, sensing output data to the sensing client, wherein the sensing output data is based at least in part on the sensing data received from the radio access network node. Providing the sensing output data to the sensing client may further include processing the collected sensing data to generate the sensing output data described above. In some example embodiments, selecting the sensing device includes selecting the user device based on at least one of the user device defined in the sensing request, the user device in the vicinity of the sensing area defined in the sensing request, and the user device connected to the selected radio access network node. In some example embodiments, selecting the sensing device includes selecting a radio access network node based on at least one of a radio access network node identified by an identifier of the radio access network node included in the sensing request and a radio access network node in proximity to a sensing area defined in the sensing request. Execution of the instructions may also cause the apparatus to at least perform controlling session admission in which it is determined whether the defined requirements are met with respect to the respective radio access network node and/or user equipment. Further, execution of the instructions may cause the apparatus to at least trigger paging of a user equipment selected as one of the sensing devices in an idle state. Further, execution of the instructions may cause the apparatus to at least select an alternative user equipment if a page failure indication is received in response to the page. In a second aspect, the specification describes a radio access network node of a wireless communication system, the radio access network node comprising at least one processor, and at least one memory storing instructions, wherein execution of the instructions causes the radio access network node to at least perform receiving a session establishment request from a control module of the wireless communication system to establish a sensing session for a sensing service, wherein the session establishment request defines a sensing device participating in the sensing service, the device comprising one or more network nodes comprising the radio access network node, and one or more user devices, wherein the radio access network node is used for one of transmission and reception of the sens