Capability coordination across radio access technologies

1. A method of wireless communication by a user equipment (UE), comprising:

receiving first information about a first radio access technology (RAT) network, wherein the first information comprises network capability information for the first RAT network;

receiving, from a base station of a second RAT network, second information about the second RAT network, wherein the second information comprises network capability information for the second RAT network;

determining, based on the first information and second information, one or more first sets of capabilities of the UE in the first RAT network that are compatible with one or more second sets of capabilities of the UE in the second RAT;

providing a first indication of one or more of the first sets of capabilities to the first RAT network;

providing a second indication of one or more of the second sets of capabilities to the second RAT network; and

receiving signaling configuring the UE to operate in the first RAT network in accordance with one of the indicated first sets of capabilities and to operate in the second RAT network in accordance with one of the indicated second sets of capabilities.

2. The method of claim 1 , further comprising:

receiving third information about a third RAT network; and

providing, to the third RAT, a third indication of one or more third sets of capabilities of the UE in the third RAT network that are compatible with the first and second sets of capabilities of the UE.

3. The method of claim 1 , further comprising:

receiving, from the first RAT network, a request for the second sets of capabilities of the UE in the second RAT network; and

providing an indication of the second sets of capabilities in response to the request.

4. The method of claim 1 , wherein at least one of the first information or the second information further comprises:

information regarding one or more bands of interest.

5. The method of claim 1 , wherein the first information is received from a base station in the second RAT network.

6. The method of claim 1 , wherein the determining is based on a mapping between the one or more first sets of capabilities of the UE in the first RAT network and the one or more second sets of capabilities of the UE in the second RAT network.

7. The method of claim 6 , wherein the mapping is provided to the first RAT, to the second RAT or to both the first and second RAT networks.

8. The method of claim 1 , further comprising signaling an update in the one or more first sets of capabilities of the UE in at least one of:

the first RAT network; or

the second RAT network.

9. A method of wireless communication by a base station of a first radio access technology (RAT) network, comprising:

obtaining information regarding one or more first sets of capabilities of a user equipment (UE) in the first RAT network that are compatible with one or more second sets of capabilities of the UE in one or more second RAT networks, wherein the one or more first sets of capabilities is based on first information about the first RAT network and the one or more second sets of capabilities is based on second information about the second RAT network, wherein the first information comprises network capability information for the first RAT and the second information comprises network capability information for the second RAT;

maintaining a matrix, wherein:

each row of the matrix corresponds to one of the first sets of UE capabilities; and

each column of the matrix corresponds to one of the second sets of UE capabilities; or

each column of the matrix corresponds to one of the first sets of UE capabilities; and

each row of the matrix corresponds to one of the second sets of UE capabilities; and

configuring the UE to operate in the first RAT network in accordance with one of the first sets of capabilities.

10. The method of claim 9 , further comprising:

sending the UE a request for the second set of capabilities of the UE in the second RAT network; and

receiving an indication of the second sets of capabilities in response to the request.

11. The method of claim 9 , further comprising:

providing the first information, to a user equipment;

wherein the first information further comprises:

information regarding one or more bands of interest.

12. The method of claim 11 , wherein the first information about the first RAT network is provided to the UE via tunneling through the second RAT network.

13. The method of claim 11 , wherein the first information about the first RAT network is provided via a split signal radio bearer (SRB) signaling.

14. The method of claim 9 , further comprising:

selecting the first set of capabilities based on a mapping between first sets of capabilities of the UE in the first RAT network and the second sets of capabilities of the UE in the second RAT network.

15. The method of claim 9 , wherein obtaining the information regarding the one or more first sets of capabilities in the first RAT network, comprises:

obtaining an indication of the first sets of capabilities from the second RAT network via tunneling.

16. The method of claim 9 , further comprising receiving signaling of:

an update in the one or more first sets of capabilities of the UE in the first RAT network.

17. The method of claim 9 , further comprising:

communicating with the second RAT network to negotiate which of the first sets of UE capabilities to configure the UE for.

18. The method of claim 9 , further comprising:

communicating with the UE to negotiate which of the first sets of UE capabilities to configure the UE for.

19. The method of claim 9 , further comprising:

configuring the UE according to one of the first sets of UE capabilities; and

providing an indication of a corresponding row in the matrix to the second RAT network.

20. The method of claim 9 , further comprising:

receiving an indication, from the second RAT, of a column in the matrix; and

wherein the UE is configured to operate in the first RAT network based on a row entry in the matrix for the indicated column.

21. The method of claim 9 , further comprising:

configuring the UE according to one of the first sets of UE capabilities; and

providing an indication of a corresponding column in the matrix to the second RAT network.

22. The method of claim 9 , further comprising:

receiving an indication, from the second RAT, of a column in the matrix; and

wherein the UE is configured to operate in the first RAT network based on a row entry in the matrix for the indicated column.

23. An apparatus for wireless communications, comprising:

means for receiving first information about a first radio access technology (RAT) network, wherein the first information comprises network capability information for the first RAT network;

means for receiving, from a base station of a second RAT network, second information about the second RAT network, wherein the second information comprises network capability information for the second RAT network;

means for determining, based on the first information and second information, one or more first sets of capabilities of a user equipment (UE) in the first RAT network that are compatible with one or more second sets of capabilities of the UE in the second RAT;

means for providing a first indication of one or more of the first sets of capabilities to the first RAT network;

means for providing a second indication of one or more of the second sets of capabilities to the second RAT network; and

means for receiving signaling configuring the UE to operate in the first RAT network in accordance with one of the indicated first sets of capabilities and to operate in the second RAT network in accordance with one of the indicated second sets of capabilities.

24. An apparatus for wireless communications, comprising:

means for obtaining information regarding one or more first sets of capabilities of a user equipment (UE) in a first radio access technology (RAT) network that are compatible with one or more second sets of capabilities of the UE in one or more second RAT networks, wherein the one or more first sets of capabilities is based on first information about the first RAT network and the one or more second sets of capabilities is based on second information about the second RAT network, wherein the first information comprises network capability information for the first RAT and the second information comprises network capability information for the second RAT;

means for maintaining a matrix, wherein:

each row of the matrix corresponds to one of the first sets of UE capabilities; and

each column of the matrix corresponds to one of the second sets of UE capabilities; or

each column of the matrix corresponds to one of the first sets of UE capabilities; and

each row of the matrix corresponds to one of the second sets of UE capabilities; and

means for configuring the UE to operate in the first RAT network in accordance with one of the first sets of capabilities.

25. A non-transitory computer-readable medium, comprising:

instructions that, when executed by at least one processor, cause the at least one processor to:

receive first information about a first radio access technology (RAT) network, wherein the first information comprises network capability information for the first RAT network;

receive, from a base station of a second RAT network, second information about the second RAT network, wherein the second information comprises network capability information for the second RAT network;

determine, based on the first information and second information, one or more first sets of capabilities of the UE in the first RAT network that are compatible with one or more second sets of capabilities of the UE in the second RAT;

provide a first indication of one or more of the first sets of capabilities to the first RAT network;

provide a second indication of one or more of the second sets of capabilities to the second RAT network; and

receive signaling configuring the UE to operate in the first RAT network in accordance with one of the indicated first sets of capabilities and to operate in the second RAT network in accordance with one of the indicated second sets of capabilities.

26. A non-transitory computer-readable medium, comprising:

instructions that, when executed by at least one processor, cause the at least one processor to:

obtain information regarding one or more first sets of capabilities of a user equipment (UE) in a first radio access technology (RAT) network that are compatible with one or more second sets of capabilities of the UE in one or more second RAT networks, wherein the one or more first sets of capabilities is based on first information about the first RAT network and the one or more second sets of capabilities is based on second information about the second RAT network, wherein the first information comprises network capability information for the first RAT and the second information comprises network capability information for the second RAT;

maintain a matrix, wherein:

each row of the matrix corresponds to one of the first sets of UE capabilities; and

each column of the matrix corresponds to one of the second sets of UE capabilities; or

each column of the matrix corresponds to one of the first sets of UE capabilities; and

each row of the matrix corresponds to one of the second sets of UE capabilities; and

configure the UE to operate in the first RAT network in accordance with one of the first sets of capabilities.

27. A user equipment (UE), comprising:

at least one processor configured to:

receive first information about a first radio access technology (RAT) network, wherein the first information comprises network capability information for the first RAT network;

receive, from a base station of a second RAT network, second information about the second RAT network, wherein the second information comprises network capability information for the second RAT network;

determine, based on the first information and second information, one or more first sets of capabilities of the UE in the first RAT network that are compatible with one or more second sets of capabilities of the UE in the second RAT;

provide a first indication of one or more of the first sets of capabilities to the first RAT network; and

provide a second indication of one or more of the second sets of capabilities to the second RAT network; and

a receiver configured to receive signaling configuring the UE to operate in the first RAT network in accordance with one of the indicated first sets of capabilities and to operate in the second RAT network in accordance with one of the indicated second sets of capabilities.

28. A base station of a first radio access technology (RAT) network, comprising:

at least one processor configured to:

obtain information regarding one or more first sets of capabilities of a user equipment (UE) in the first RAT network that are compatible with one or more second sets of capabilities of the UE in one or more second RAT networks, wherein the one or more first sets of capabilities is based on first information about the first RAT network and the one or more second sets of capabilities is based on second information about the second RAT network, wherein the first information comprises network capability information for the first RAT and the second information comprises network capability information for the second RAT; and

maintain a matrix, wherein:

each row of the matrix corresponds to one of the first sets of UE capabilities; and

each column of the matrix corresponds to one of the second sets of UE capabilities; or

each column of the matrix corresponds to one of the first sets of UE capabilities; and

each row of the matrix corresponds to one of the second sets of UE capabilities; and

a transmitter configured to output signaling to configure the UE to operate in the first RAT network in accordance with one of the first sets of capabilities.