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EP-4736555-A1 - SENSING DATA EXCHANGE

EP4736555A1EP 4736555 A1EP4736555 A1EP 4736555A1EP-4736555-A1

Abstract

Various aspects of the present disclosure relate to sensing data exchange. In one aspect of the solution of the present disclosure, a network device receives, via the transceiver, sensing trigger information for a sensing protocol data unit (PDU) session for a terminal device. Then the network device transmits, via the transceiver to a network function, a request for sensing policy information associated with the sensing PDU session for the terminal device. In this way, a procedure of sensing resources allocation is triggered, and the network device obtains the sensing related policy. Therefore, the performance of communication is improved.

Inventors

  • LUO, HAIYAN
  • DAI, MINGZENG
  • VELEV, GENADI

Assignees

  • Lenovo (Beijing) Limited

Dates

Publication Date
20260506
Application Date
20230630

Claims (20)

  1. A network device comprising: a processor; and a transceiver coupled to the processor, wherein the processor is configured to: receive, via the transceiver, sensing trigger information for a sensing protocol data unit (PDU) session for a terminal device; and transmit, via the transceiver to a network function, a request for sensing policy information associated with the sensing PDU session for the terminal device.
  2. The network device of claim 1, wherein the sensing trigger information comprises one of the following: a sensing indication; or a sensing task identifier (ID) .
  3. The network device of claim 1, wherein the network function is a sensing function (SF) and the request comprises one of the following: an ID of the terminal device; or the ID of the terminal device and a sensing task ID.
  4. The network device of claim 1, wherein the network function is a policy control function (PCF) and the request comprises one of the following: an ID of the terminal device, and SF information associated with the terminal device; or the ID of the terminal device, the SF information and a sensing task ID.
  5. The network device of claim 4, wherein the SF information comprises one of the following: an ID of the SF, Internet protocol (IP) address of the SF, or a fully qualified domain name (FQDN) of the SF.
  6. The network device of claim 1, wherein the processor is configured to receive the sensing trigger information by: receiving, via the transceiver, the sensing trigger information from the terminal device via an uplink (UL) message; receiving, via the transceiver, the sensing trigger information from the terminal device via an establishment request for a sensing PDU session; or receiving, via the transceiver, the sensing trigger information from an AMF together with the SF information associated with the terminal device.
  7. The network device of claim 3, wherein the processor is further configured to: receive, via the transceiver, from the SF, a response for the sensing policy information, wherein the response comprises the sensing policy information associated with the sensing PDU session for the terminal device.
  8. The network device of claim 4, wherein the processor is further configured to: receive, via the transceiver, from the PCF, a response comprising first sensing control information associated with the sensing policy information.
  9. The network device of claim 1, wherein the sensing policy information comprises one of the following: at least one QoS parameter, at least one sensing requirement, user plane information for the terminal device, or transport network layer (TNL) information at an SF.
  10. The network device of any of claims 1-9, wherein the processor is further configured to: transmit, via the transceiver, to the RAN node, an ID of the sensing PDU session, TNL information at a SF or TNL information at a UPF, and the second sensing control information.
  11. The network device of claim 10, wherein the first sensing control information and the second sensing control information comprises one of the following: the sensing task ID and a sensing mode of the terminal device; or the sensing task ID, the sensing mode of the terminal device and the at least one sensing requirement.
  12. A network device comprising: a processor; and a transceiver coupled to the processor, wherein the processor is configured to: determine sensing function (SF) information associated with a sensing protocol data unit (PDU) session for a terminal device; and transmit, via the transceiver, to a session management function (SMF) , the SF information.
  13. The network device of claim 12, wherein the processor is further configured to: prior to determining the SF information, receive, via the transceiver, from the terminal device, a sensing indication for determining the SF information for the terminal device.
  14. The network device of claim 12, wherein the processor is further configured to: prior to determining the SF information, receive, via the transceiver, from the terminal device, a sensing indication for determine the SF information and an establishment request for a sensing protocol data unit (PDU) session, and wherein the SF information is transmitted together with the establishment request to the SMF.
  15. The network device of claim 12, wherein the processor is further configured to: receive, via the transceiver from the terminal device, a sensing registration request; select a sensing function (SF) for the terminal device; and transmit, via the transceiver to the selected SF, the sensing registration request.
  16. The network device of claim 15, wherein the sensing registration request comprises information of sensing capability and the ID of the terminal device.
  17. A terminal device comprising: a processor; and a transceiver coupled to the processor, wherein the processor is configured to: determine to establish a user plane connection with a sensing function (SF) ; and transmit, via the transceiver to a network function, sensing trigger information associated with a sensing protocol data unit (PDU) session.
  18. The terminal device of claim 17, wherein the network function is a session management function (SMF) and the sensing trigger information comprises one of the following: a sensing indication; or a sensing task identifier (ID) .
  19. The terminal device of claim 17, wherein the network function is an access and mobility management function (AMF) , the sensing trigger information comprises one of the following: a sensing indication; or a sensing task identifier (ID) .
  20. The terminal device of claim 17, wherein the processor is further configured to: receive, via the transceiver, a UE Route Selection Policy (URSP) rule for sensing from the PCF; and determine at least one attribute of the sensing PDU session based on the rule, wherein the at least one attribute comprise a mode of a PDU session and service continuity (SSC) , a type of a PDU session, a network slice, a data network name (DNN) and an access type.

Description

SENSING DATA EXCHANGE TECHNICAL FIELD The present disclosure relates to wireless communications, and more specifically to devices, processors, methods, and a computer readable medium for sensing data exchange. BACKGROUND A wireless communications system may include one or multiple network communication devices, such as base stations, which may be otherwise known as an eNodeB (eNB) , a next-generation NodeB (gNB) , or other suitable terminology. Each network communication devices, such as a base station may support wireless communications for one or multiple user communication devices, which may be otherwise known as user equipment (UE) , or other suitable terminology. The wireless communications system may support wireless communications with one or multiple user communication devices by utilizing resources of the wireless communication system (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers) . Additionally, the wireless communications system may support wireless communications across various radio access technologies including third generation (3G) radio access technology, fourth generation (4G) radio access technology, fifth generation (5G) radio access technology, among other suitable radio access technologies beyond 5G (e.g., sixth generation (6G) ) . Wireless sensing technologies aim at acquiring information about a remote object or its environment and its characteristics without physically contacting it. A new sensing function (SF) is introduced to enable sensing in the 5G system network. The application server or 5G core (5GC) network function (NF) or UE may trigger sensing procedure. The SF may assign a sensing task to an access node or a UE. If the sensing task is assigned to a UE, the UE may report the sensing measurement data towards the SF via either control plane or user plane. However, there’re some issues to be addressed. SUMMARY The present disclosure relates to methods, devices, and systems that support sensing data exchange. Some implementations of the method and devices described herein may include, receiving, via the transceiver, sensing trigger information for a sensing protocol data unit (PDU) session for a terminal device; and transmitting, via the transceiver to a network function, a request for sensing policy information associated with the sensing PDU session for the terminal device. In this way, a procedure of sensing resources allocation is triggered, and the network device obtains the sensing related policy. Therefore, the performance of communication is improved. In some implementations of the method and devices described herein, the sensing trigger information may comprise one of the following: a sensing indication; or a sensing task identifier (ID) . In some implementations of the method and devices described herein, the network function may be a sensing function (SF) and the request may comprise one of the following: an ID of the terminal device; or the ID of the terminal device and a sensing task ID. In some implementations of the method and devices described herein, the network function may be a policy control function (PCF) and the request may comprise one of the following: an ID of the terminal device, and SF information associated with the terminal device; or the ID of the terminal device, the SF information and a sensing task ID. In some implementations of the method and devices described herein, the SF information may be received, via the transceiver, from an access and mobility management function (AMF) , by a request for the SF information, wherein the request comprises the ID of the terminal device. Some implementations of the method and devices described herein may further include transmitting, via the transceiver to a unified data management (UDM) , a request for the SF information associated with the terminal device, wherein the request comprises the ID of the terminal device; and receiving, via the transceiver, the SF information associated with the terminal device from the UDM. In some implementations of the method and devices described herein, the SF information may comprise one of the following: an ID of the SF, Internet protocol (IP) address of the SF, or a fully qualified domain name (FQDN) of the SF. Some implementations of the method and devices described herein may further include being configured to receive the sensing trigger information by: receiving, via the transceiver, the sensing trigger information from the terminal device via an uplink (UL) message; receiving, via the transceiver, the sensing trigger information from the terminal device via an establishment request for a sensing PDU session; or receiving, via the transceiver, the sensing trigger information from an AMF together with the SF information associated with the terminal device. Some implementations of the method and devices described herein may further include receiving, via the transceiver, from the SF, a