V2X communication over multiple radio access types

1. A method comprising:

configuring a remote unit with information indicating a plurality of mobile networks and a radio access type of a plurality of radio access types for direct vehicle-to-everything communication corresponding to each mobile network of the plurality of mobile networks;

supporting a plurality of vehicle-to-everything applications, wherein each vehicle-to-everything application of the plurality of vehicle-to-everything applications communicates via a direct vehicle-to-everything communication using a corresponding radio access type of the plurality of radio access types; and

configuring the remote unit with a mapping between the plurality of radio access types for direct vehicle-to-everything communication, a plurality of vehicle-to-everything frequencies, and a plurality of geographical areas, wherein the mapping comprises information indicating at least one vehicle-to-everything frequency of the plurality of vehicle-to-everything frequencies and at least one geographical area of the plurality of geographical areas corresponding to each radio access type of the plurality of radio access types for direct vehicle-to-everything communication.

2. The method of claim 1 , wherein the plurality of radio access types comprises evolved universal terrestrial radio access, enhanced evolved universal terrestrial radio access, new radio, or some combination thereof.

3. The method of claim 1 , further comprising configuring the remote unit with information indicating geographic areas for communication, wherein each geographic area of the geographic areas has a corresponding radio access type of the plurality of radio access types.

4. The method of claim 1 , further comprising receiving a trigger, from a vehicle-to-everything application of the plurality of vehicle-to-everything applications, to send a message via a vehicle-to-everything communication.

5. The method of claim 4 , further comprising selecting to send a message via a direct vehicle-to-everything communication and determining a radio access type of the plurality of radio access types for transmitting the message via the direct vehicle-to-everything communication.

6. The method of claim 5 , wherein, in an autonomous mode, the remote unit determines the message radio access type based on configuration information received from a vehicle-to-everything control function.

7. The method of claim 4 , wherein the message comprises a priority.

8. The method of claim 7 , further comprising determining a transmission radio access type of the plurality of radio access types for transmitting the message based on the priority.

9. The method of claim 8 , further comprising configuring the remote unit with a mapping between the priority and at least one radio access type of the plurality of radio access types.

10. The method of claim 9 , wherein the transmission radio access type of the plurality of radio access types for transmitting the message is determined based on the mapping.

11. The method of claim 1 , further comprising configuring the remote unit with a mapping between application identifiers corresponding to the plurality of vehicle-to-everything applications and at least one radio access type of the plurality of radio access types.

12. An apparatus comprising:

a processor that:

configures the apparatus with information indicating a plurality of mobile networks and a radio access type of a plurality of radio access types for direct vehicle-to-everything communication corresponding to each mobile network of the plurality of mobile networks;

supports a plurality of vehicle-to-everything applications, wherein each vehicle-to-everything application of the plurality of vehicle-to-everything applications communicates via a direct vehicle-to-everything communication using a corresponding radio access type of the plurality of radio access types; and

configures the remote unit with a mapping between the plurality of radio access types for direct vehicle-to-everything communication, a plurality of vehicle-to-everything frequencies, and a plurality of geographical areas, wherein the mapping comprises information indicating at least one vehicle-to-everything frequency of the plurality of vehicle-to-everything frequencies and at least one geographical area of the plurality of geographical areas corresponding to each radio access type of the plurality of radio access types for direct vehicle-to-everything communication.

13. The apparatus of claim 12 , wherein the plurality of radio access types comprises evolved universal terrestrial radio access, enhanced evolved universal terrestrial radio access, new radio, or some combination thereof.

14. The apparatus of claim 12 , wherein the processor configures the apparatus with information indicating geographic areas for communication, and each geographic area of the geographic areas has a corresponding radio access type of the plurality of radio access types.

15. The apparatus of claim 12 , further comprising a receiver that receives a trigger, from a vehicle-to-everything application of the plurality of vehicle-to-everything applications, to send a message via a vehicle-to-everything communication.

16. The apparatus of claim 15 , wherein the processor selects to send a message via a direct vehicle-to-everything communication and determines a radio access type of the plurality of radio access types for transmitting the message via the direct vehicle-to-everything communication.

17. The apparatus of claim 16 , wherein, in an autonomous mode, the processor determines the message radio access type based on configuration information received from a vehicle-to-everything control function.

18. The apparatus of claim 15 , wherein the message comprises a priority.

19. The apparatus of claim 18 , wherein the processor determines a transmission radio access type of the plurality of radio access types for transmitting the message based on the priority.

20. The apparatus of claim 19 , wherein the processor configures the apparatus with a mapping between the priority and at least one radio access type of the plurality of radio access types.