Service request prioritization for intra-UE service multiplexing

1. A method for wireless communications by a user equipment (UE) comprising:

determining one or more transmission resources for a service request (SR) transmission for a first type of service or a second type of service;

determining one or more priority levels associated with the one or more transmission resources; and

when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

transmitting the SR transmission using the determined one or more transmission resources and dropping the at least one uplink transmission when at least one of the one or more priority levels of the one or more transmission resources for the SR transmission is equal to or greater than a first threshold.

2. The method of claim 1 , wherein the first type of service is an ultra-reliable low-latency communication (URLLC) service and the second type of service is an enhanced mobile broadband (eMBB) service.

3. The method of claim 1 , wherein determining the one or more transmission resources comprises:

determining a mapping of one or more medium access control (MAC) layer logical channels (LCHs) to one or more SR configuration indices; and

determining a mapping of the one or more SR configuration indices to one or more physical layer (PHY) transmission resources.

4. The method of claim 3 , wherein the mapping of the one or more LCHs to the one or more SR configuration indices is based on the first type of service or the second type of service associated with the LCH.

5. The method of claim 3 , wherein determining the mapping of the one or more SR configuration indices to the one or more PHY transmission resources comprises receiving radio resource control (RRC) signaling indicating the mapping of the one or more SR configuration indices to the one more PHY transmission resources.

6. The method of claim 3 , wherein determining the one or more priority levels associated with the one or more transmission resources comprises:

determining a priority level associated with each of the one or more LCHs; and

determining the one or more priority levels associated with the one or more transmission resources based on the determined priority level associated with each of the one or more LCHs mapped to a given transmission resource.

7. The method of claim 6 , wherein determining the one or more priority levels associated with the one or more transmission resources based on the determined priority level associated with each of the one or more LCHs mapped to a given transmission resource comprises:

determining a priority level of the SR configuration index mapped to a given PHY resource based on a highest priority level of the one or more LCHs mapped to that SR configuration index; and

determining a priority level of that PHY resource based on the priority level of the SR configuration index.

8. The method of claim 6 , further comprising receiving radio resource control (RRC) signaling indicating the one or more priority levels associated with the one or more LCHs.

9. The method of claim 6 , wherein the one or more priority levels associated with the one or more LCHs is passed from the MAC layer to the PHY layer via an internal tunnel.

10. A method for wireless communications by a user equipment (UE), comprising:

determining one or more transmission resources for one or more service requests (SRs) for at least one of: a first type of service or a second type of service;

determining one or more preconfigured priority levels associated with one or more SR configuration indices;

determining one or more priority levels associated with the one or more transmission resources based on the preconfigured priority level associated with the SR configuration index mapped to a given transmission resource; and

transmitting the one or more SRs using the determined one or more transmission resources based on the associated one or more priority levels.

11. The method of claim 10 , wherein:

a subset of the SR configuration indices is associated with a first priority; and

the remaining SR configuration indices are associated with a second priority, lower than the first priority.

12. The method of claim 1 , further comprising, when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

dropping the SR transmission and sending the at least one uplink transmission when the one or more priority levels of the one or more transmission resources for the SR transmission is less than the first threshold.

13. The method of claim 1 , further comprising, when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

piggybacking the SR transmission with the at least one uplink transmission when at least one of the one or more priority levels of the one or more transmission resources for the SR transmission is equal to or greater than a second threshold and less than a first threshold; and

dropping the SR transmission and sending the at least one uplink transmission when the one or more priority levels of the one or more transmission resources for the SR transmission is less than the second threshold.

14. An apparatus for wireless communications, comprising:

means for determining one or more transmission resources for a service request (SR) transmission for a first type of service or a second type of service;

means for determining one or more priority levels associated with the one or more transmission resources; and

means for, when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

transmitting the SR transmission using the determined one or more transmission resources and dropping the at least one uplink transmission when at least one of the one or more priority levels of the one or more transmission resources for the SR transmission is equal to or greater than a first threshold.

15. The apparatus of claim 14 , wherein means for determining the one or more transmission resources comprises:

means for determining a mapping of one or more medium access control (MAC) layer logical channels (LCHs) to one or more SR configuration indices; and

means for determining a mapping of the one or more SR configuration indices to one or more physical layer (PHY) transmission resources.

16. The apparatus of claim 15 , wherein means for determining the mapping of the one or more SR configuration indicates to the one or more PHY transmission resources comprises means for receiving radio resource control (RRC) signaling indicating the mapping of the one or more SR configuration indices to the one more PHY transmission resources.

17. The apparatus of claim 15 , wherein means for determining the one or more priority levels associated with the one or more transmission resources comprises:

means for determining a priority level associated with each of the one or more LCHs; and

means for determining the one or more priority levels associated with the one or more transmission resources based on the determined one more priority levels associated with the one or more LCHs mapped to a given transmission resource.

18. The apparatus of claim 17 , wherein means for determining the one or more priority levels associated with the one or more transmission resources based on the determined one more priority levels associated with the one or more LCHs mapped to a given transmission resource comprises:

means for determining a priority level of the SR configuration index mapped to a given PHY resource based on a highest priority level of the one or more LCHs mapped to that SR configuration index; and

means for determining the one or more priority levels of the one or more PHY resources based on the priority level of the SR configuration index.

19. The apparatus of claim 17 , further comprising means for receiving radio resource control (RRC) signaling indicating the one or more priority levels associated with the one or more LCHs.

20. An apparatus for wireless communications, comprising:

means for determining one or more transmission resources for one or more service requests (SRs) for at least one of: a first type of service or a second type of service;

means for determining one or more preconfigured priority levels associated with one or more SR configuration indices;

means for determining one or more priority levels associated with the one or more transmission resources based on the preconfigured priority level associated with the SR configuration index mapped to a given transmission resource; and

means for transmitting the one or more SRs using the determined one or more transmission resources based on the associated one or more priority levels.

21. An apparatus for wireless communications, comprising:

a memory; and

at least one processor coupled with a memory and configured to:

determine one or more transmission resources for a service request (SR) transmission for a first type of service or a second type of service;

determine one or more priority levels associated with the one or more transmission resources; and

when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

transmit the SR transmission using the determined one or more transmission resources and drop the at least one uplink transmission when at least one of the one or more priority levels of the one or more transmission resources for the SR transmission is equal to or greater than a first threshold.

22. The apparatus of claim 21 , wherein the at least one processor is configured to determine the one or more priority levels associated with the one or more transmission resources, including:

determining a priority level of an SR configuration index mapped to a given physical layer (PHY) resource based on a highest priority level of one or more logical channels (LCHs) mapped to that SR configuration index; and

determining the priority level of the PHY resource based on the priority level of the SR configuration index.

23. An apparatus for wireless communications, comprising:

a memory; and

at least one processor coupled with a memory and configured to:

determine one or more transmission resources for one or more service requests (SRs) for at least one of: a first type of service or a second type of service;

determine one or more preconfigured priority levels associated with one or more SR configuration indices;

determine one or more priority levels associated with the one or more transmission resources based on the preconfigured priority level associated with the SR configuration index mapped to a given transmission resource; and

transmit the one or more SRs using the determined one or more transmission resources based on the associated one or more priority levels.

24. A non-transitory computer readable medium having computer executable code stored thereon for wireless communications, comprising:

code for determining one or more transmission resources for a service request (SR) transmission for a first type of service or a second type of service;

code for determining one or more priority levels associated with the one or more transmission resources; and

code for, when the SR transmission collides with at least one uplink transmission, based on the one or more priority levels associated with the one or more transmission resources:

transmitting the SR transmission using the determined one or more transmission resources and dropping the at least one uplink transmission when at least one of the one or more priority levels of the one or more transmission resources for the SR transmission is equal to or greater than a first threshold.

25. The non-transitory computer readable medium of claim 24 , wherein:

code for determining the one or more transmission resources comprises:

code for determining a mapping of one or more medium access control (MAC) layer logical channels (LCHs) to one or more SR configuration indices; and

code for determining a mapping of the one or more SR configuration indices to one or more physical layer (PHY) transmission resources; and

code for determining the one or more priority levels associated with the one or more transmission resources comprises:

code for determining a priority level associated with each of the one or more LCHs; and

code for determining the one or more priority levels associated with the one or more transmission resources based on the determined one more priority levels associated with the one or more LCHs mapped to a given transmission resource.

26. A non-transitory computer readable medium having computer executable code stored thereon for wireless communications, comprising:

code for determining one or more transmission resources for one or more service requests (SRs) for at least one of: a first type of service or a second type of service;

code for determining one or more preconfigured priority levels associated with one or more SR configuration indices;

code for determining one or more priority levels associated with the one or more transmission resources based on the preconfigured priority level associated with the SR configuration index mapped to a given transmission resource; and

code for transmitting the one or more SRs using the determined one or more transmission resources based on the associated one or more priority levels.