Identifying radio access technology (RAT) coexistence conflicts using a priority-based mechanism

1. An apparatus for wireless communication, comprising:

a memory that stores instructions; and

a processor coupled with the memory, wherein the processor and the memory are configured to:

maintain a plurality of conflict entries, each conflict entry indicating a first frequency range associated with interference by a first radio access technology (RAT) and a second frequency range associated with interference by a second RAT, wherein a subset of the plurality of conflict entries are organized into an intermodulation group;

identify one or more active coexistence conflicts between the first RAT and the second RAT based at least in part on the plurality of conflict entries and current radio conditions; and

select at least one of the identified one or more active coexistence conflicts for conflict mitigation, the at least one active coexistence conflict being a member of the intermodulation group.

2. The apparatus of claim 1 , wherein the processor and memory are configured to select the at least one active coexistence conflict based at least in part on a determination that all conflict entries in the intermodulation group are in the identified one or more active coexistence conflicts.

3. The apparatus of claim 1 , wherein the processor and memory are configured to select the at least one active coexistence conflict for conflict mitigation based at least in part on an active coexistence conflict associated with a largest amount of coexistence interference.

4. The apparatus of claim 1 , wherein the processor and memory are further configured to determine that the current radio conditions indicate that the first RAT is active and that the second RAT is active, and perform a mitigation policy associated with the at least one active coexistence conflict.

5. The apparatus of claim 1 , wherein at least one of the plurality of conflict entries indicates a frequency range associated with interference by one of a plurality of component carriers of the first RAT operating in a carrier aggregation mode.

6. The apparatus of claim 5 , wherein the processor and memory are configured to identify the one or more active coexistence conflicts by being configured to identify one or more active coexistence conflicts between a component carrier of the first RAT and the second RAT based at least in part on the plurality of conflict entries and the current radio conditions.

7. The apparatus of claim 6 , wherein at least one of the plurality of conflict entries applies to the component carrier of the second RAT, or a secondary component carrier of the first RAT, or a combination thereof.

8. The apparatus of claim 6 , wherein:

the processor and memory are configured to determine an aggregate RAT conflict priority for each conflict entry associated with an active coexistence conflict based at least in part on a first RAT conflict priority and a second RAT conflict priority of that conflict entry; and

the processor and memory are configured to select the at least one active coexistence conflict based at least in part on the aggregate RAT conflict priority.

9. The apparatus of claim 6 , wherein the processor and memory are configured to select the at least one active coexistence conflict based at least in part on a determination that all conflict entries in the intermodulation group are in the one or more active coexistence conflicts.

10. The apparatus of claim 1 , wherein:

the plurality of conflict entries further indicate a third frequency range associated with interference by a third RAT; and

the processor and memory are configured to identify one or more active coexistence conflicts between the third RAT and one or both of the first RAT and the second RAT.

11. The apparatus of claim 1 , wherein the processor and memory are configured to:

determine a conflict priority for each active coexistence conflict, wherein the processor and memory are configured to select the at least one active coexistence conflict based at least in part on the conflict priority.

12. The apparatus of claim 11 , wherein:

the conflict priority for each active coexistence conflict comprises an aggregate conflict priority based at least in part on a first conflict priority associated with the first RAT and a second conflict priority associated with the second RAT; and

the conflict priority is based at least in part on at least a type of conflict, or a frequency offset, or a direction of traffic, or a type of RAT, or a combination thereof.

13. An apparatus for wireless communication, comprising:

a memory that stores instructions; and

a processor coupled with the memory, wherein the processor and the memory are configured to:

maintain a plurality of conflict entries, each conflict entry indicating a first frequency range associated with interference by a first radio access technology (RAT) and a second frequency range associated with interference by a second RAT;

identify one or more active coexistence conflicts between the first RAT and the second RAT based at least in part on the plurality of conflict entries and current radio conditions;

determine, for each conflict entry associated with an active coexistence conflict of the one or more active coexistence conflicts, a first RAT conflict priority and a second RAT conflict priority; and

select at least one of the identified one or more active coexistence conflicts for conflict mitigation based at least in part on the first RAT conflict priority and the second RAT conflict priority of the at least one active coexistence conflict.

14. The apparatus of claim 13 , wherein the processor and memory are configured to select the at least one active coexistence conflict based at least in part on a determination that the at least one active coexistence conflict has a highest conflict priority.

15. The apparatus of claim 13 , wherein the processor and memory are configured to:

determine an aggregate RAT conflict priority for each conflict entry associated with an active coexistence conflict based at least in part on the first RAT conflict priority and the second RAT conflict priority of that conflict entry, wherein the aggregate RAT conflict priority is based at least in part on one or more of an addition of the first RAT conflict priority and the second RAT conflict priority, a concatenation of the first RAT conflict priority and the second RAT conflict priority, or a weighted combination of the first RAT conflict priority and the second RAT conflict priority; and

select the at least one active coexistence conflict based at least in part on the aggregate RAT conflict priority.

16. The apparatus of claim 15 , wherein a conflict priority for each active coexistence conflict comprises an aggregate conflict priority based at least in part on a first conflict priority associated with the first RAT and a second conflict priority associated with the second RAT and wherein the conflict priority is based at least in part on at least a type of conflict, or a frequency offset, or a direction of traffic, or a type of RAT, or a combination thereof.

17. A method of wireless communication, comprising:

maintaining a plurality of conflict entries, each conflict entry indicating a first frequency range associated with interference by a first radio access technology (RAT) and a second frequency range associated with interference by a second RAT, wherein a subset of the plurality of conflict entries are organized into an intermodulation group;

identifying one or more active coexistence conflicts between the first RAT and the second RAT based at least in part on the plurality of conflict entries and current radio conditions; and

selecting at least one of the identified one or more active coexistence conflicts for conflict mitigation, the at least one active coexistence conflict being a member of the intermodulation group.

18. The method of claim 17 , wherein the selection of the at least one active coexistence conflict is based at least in part on a determination that all conflict entries in the intermodulation group are in the one or more active coexistence conflicts.

19. The method of claim 17 , wherein the selection of the at least one active coexistence conflict for conflict mitigation is based at least in part on an active coexistence conflict associated with a largest amount of coexistence interference.

20. The method of claim 17 , further comprising:

determining that the current radio conditions indicate that the first RAT is active and that the second RAT is active; and

performing a mitigation policy associated with the at least one active coexistence conflict.

21. The method of claim 17 , wherein:

each conflict entry indicating the first frequency range associated with interference by the first RAT is by one of a plurality of component carriers of the first RAT operating in a carrier aggregation mode; and

identifying the one or more active coexistence conflicts is further between the component carrier of the first RAT and the second RAT.

22. The method of claim 21 , wherein at least one conflict entry applies to a component carrier of the second RAT, or a component carrier of the first RAT, or a combination thereof.

23. The method of claim 21 , further comprising:

determining an aggregate RAT conflict priority for each conflict entry associated with an active coexistence conflict based at least in part on a first RAT conflict priority and a second RAT conflict priority of that conflict entry; and

wherein the selection of the at least one active coexistence conflict is based at least in part on the aggregate RAT conflict priority.

24. The method of claim 21 , wherein selecting the at least one active coexistence conflict is based at least in part on a determination that all conflict entries in the intermodulation group are in the one or more active coexistence conflicts.

25. The method of claim 17 , wherein:

the plurality of conflict entries further indicate a third frequency range associated with interference by a third RAT; and

identifying the one or more active coexistence conflicts further includes identifying one or more active coexistence conflicts between the third RAT and one or both of the first RAT and the second RAT.

26. The method of claim 17 , wherein at least one of the plurality of conflict entries indicates a frequency range associated with interference by one of a plurality of component carriers of the first RAT operating in a carrier aggregation mode.

27. The method of claim 17 , further comprising:

determining a conflict priority for each active coexistence conflict, wherein selecting the at least one active coexistence conflict is based at least in part on the conflict priority.

28. A method of wireless communication, comprising:

maintaining a plurality of conflict entries, each conflict entry indicating a first frequency range associated with interference by a first radio access technology (RAT) and a second frequency range associated with interference by a second RAT;

identifying one or more active coexistence conflicts between the first RAT and the second RAT based at least in part on the plurality of conflict entries and current radio conditions;

determining, for each conflict entry associated with an active coexistence conflict of the one or more active coexistence conflicts, a first RAT conflict priority and a second RAT conflict priority; and

selecting at least one of the identified one or more active coexistence conflicts for conflict mitigation based at least in part on the first RAT conflict priority and the second RAT conflict priority of the at least one active coexistence conflict.

29. The method of claim 28 , wherein the selection of the at least one active coexistence conflict is based at least in part on a determination that the at least one active coexistence conflict has a highest conflict priority.

30. The method of claim 28 , further comprising:

determining an aggregate RAT conflict priority for each conflict entry associated with an active coexistence conflict based at least in part on the first RAT conflict priority and the second RAT conflict priority of that conflict entry,

wherein the aggregate RAT conflict priority is based at least in part on one or more of an addition of the first RAT conflict priority and the second RAT conflict priority, a concatenation of the first RAT conflict priority and the second RAT conflict priority, or a weighted combination of the first RAT conflict priority and the second RAT conflict priority, and

wherein the selection of the at least one active coexistence conflict is based at least in part on the aggregate RAT conflict priority.