Vehicle-to-everything (V2X) control function based on user equipment (UE) capability

1. One or more non-transitory, computer-readable media having instructions that, when executed, cause a user equipment (UE) in a vehicular communication system to:

determine a capability of the UE for supporting vehicle-to-everything (V2X) communication over a PC5 interface;

transmit a registration request message including a policy container to an access and mobility management function (AMF), wherein the policy container includes an indication of the capability of the UE for supporting V2X communication over the PC5 interface;

receive a message from the AMF in response to the registration request message transmitted to the AMF, wherein the message includes the policy container; and

identify at least a V2X policy and V2X parameters for the UE contained in the policy container included in the message from the AMF, wherein the V2X policy and the V2X parameters include configuration parameters for V2X communication over the PC5 interface for the UE, which are determined based on the capability of the UE for supporting V2X communication over the PC5 interface, and wherein the V2X parameters include at least an expiration time for validity of the configuration parameters for V2X communication over the PC5 interface.

2. The one or more non-transitory, computer-readable media of claim 1 , wherein the instructions, when executed, further cause the UE to:

store the received V2X policy and the V2X parameters; and

perform operations associated with the V2X policy and the V2X parameters.

3. The one or more non-transitory, computer-readable media of claim 2 , wherein the instructions, when executed, further cause the UE to:

transmit results obtained from the operations performed by the UE to the AMF.

4. The one or more non-transitory, computer-readable media of claim 1 , wherein the PC5 interface is a Long Term Evolution (LTE) PC5 interface or a New Radio (NR) PC5 interface.

5. The one or more non-transitory, computer-readable media of claim 1 , wherein the registration request message is a non-access stratum (NAS) message.

6. The one or more non-transitory, computer-readable media of claim 1 , wherein the message received from the AMF is a downlink (DL) NAS transport message.

7. The one or more non-transitory, computer-readable media of claim 1 , wherein the V2X policy and the V2X parameters are determined by a Policy Control Function (PCF) or a V2X Control Function (V2XCF).

8. One or more non-transitory, computer-readable media having instructions that, when executed, cause an Access and Mobility Management Function (AMF) to:

receive a registration request message from a user equipment (UE) including an indication of a capability of the UE for supporting vehicle-to-everything (V2X) communication over a PC5 interface, wherein the indication is included in a policy container;

determine whether to provide at least a V2X policy and V2X parameters including configuration parameters for V2X communication over the PC5 interface to the UE based on the capability of the UE for supporting V2X communication, subscription data of the UE, or local policy;

obtain the V2X policy and the V2X parameters, wherein the V2X policy and the V2X parameters are determined based on the capability of the UE for supporting V2X communication over the PC5 interface, wherein the V2X parameters include at least an expiration time for validity of the configuration parameters for V2X communication over the PC5 interface; and

transmit a message to provide an indication of the V2X policy and the V2X parameters to the UE, wherein the V2X policy and V2X parameters are included in the policy container of the message in response to the registration request message received from the UE.

9. The one or more non-transitory, computer-readable media of claim 8 , wherein the instructions, when executed, further cause the AMF to:

retrieve the subscription data of the UE from a Unified Data Management (UDM).

10. The one or more non-transitory, computer-readable media of claim 8 , wherein the V2X policy and the V2X parameters are determined by a Policy Control Function (PCF) or a V2X Control Function (V2XCF).

11. The one or more non-transitory, computer-readable media of claim 10 , wherein the instruction, when executed, further cause the AMF to:

request, by a parameter request message, the V2XCF or the PCF to provide the V2X policy and the V2X parameters, wherein the parameter request message includes the capability of the UE for supporting V2X communication; and

receive the V2X policy and the V2X parameters from the PCF or the V2XCF.

12. The one or more non-transitory, computer-readable media of claim 11 , wherein the instructions, when executed, further cause the AMF to:

receive results obtained from operations performed by the UE associated with the V2X policy and the V2X parameters.

13. The one or more non-transitory, computer-readable media of claim 12 , wherein the instructions, when executed, further cause the AMF to:

notify the PCF or the V2XCF of the results; and

forward the results from the UE to the PCF or the V2XCF by “Namf_EventExposure”, wherein an EventID includes “V2X Policy container received” and an EventInformation includes a UE V2X Policy container.

14. The one or more non-transitory, computer-readable media of claim 8 , wherein the PC5 interface is a Long Term Evolution (LTE) PC5 interface or a New Radio (NR) PC5 interface.

15. The one or more non-transitory, computer-readable media of claim 8 , wherein the registration request message is a non-access stratum (NAS) message.

16. The one or more non-transitory, computer-readable media of claim 8 , wherein the transmitted message is a downlink (DL) NAS transport message.

17. An apparatus to be used in a user equipment (UE) in a vehicular communication system, the apparatus comprising:

processing circuitry to:

determine a capability of the UE for supporting vehicle-to-everything (V2X) communication over a PC5 interface; and

network circuitry, coupled with the processing circuitry, to:

transmit a registration request message including a policy container to an access and mobility management function (AMF), wherein the policy container includes an indication of the capability of the UE for supporting V2X communication over the PC5 interface;

receive a message from the AMF in response to the registration request message sent to the AMF, wherein the message includes the policy container; and

identify at least a V2X policy and V2X parameters including configuration parameters for V2X communication over the PC5 interface for the UE contained in the policy container included in the message, wherein the V2X policy and the V2X parameters are determined based on the capability of the UE for supporting V2X communication over the PC5 interface, and wherein the V2X parameters include at least an expiration time for validity of the configuration parameters for V2X communication over the PC5 interface.

18. The apparatus of claim 17 , wherein the processing circuitry is further to:

store the V2X policy and the V2X parameters; and

perform operations associated with the V2X policy and the V2X parameters.

19. The apparatus of claim 18 , wherein the network circuitry is further to:

transmit results obtained from the operations performed by the UE to the AMF.

20. The apparatus of claim 17 , wherein the PC5 interface is a Long Term Evolution (LTE) PC5 interface or a New Radio (NR) PC5 interface.

21. The apparatus of claim 17 , wherein the registration request message is a non-access stratum (NAS) message.

22. The apparatus of claim 17 , wherein the received message is a downlink (DL) NAS transport message.

23. The apparatus of claim 17 , wherein the V2X policy and the V2X parameters are determined by a Policy Control Function (PCF) or a V2X Control Function (V2XCF).