Techniques for employing antenna switched diversity in wireless communications

1. A method for using antenna-switched diversity (ASDIV) in wireless communications, comprising:

communicating with a serving node using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating;

determining whether a target RAT supports operating using a same ASDIV switch group as the serving RAT; and

communicating with a target node using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT,

wherein determining whether the target RAT supports operating using the same ASDIV switch group as the serving RAT comprises determining whether using the target RAT results in traversing a same radio frequency (RF) front end signal path from a RF transceiver output to one or more ASDIV switch ports of the one or more switches as the serving RAT.

2. The method of claim 1 , further comprising communicating with the target node using the target RAT and based on a default ASDIV configuration where the target RAT supports operating using a different ASDIV switch group than the serving RAT.

3. The method of claim 1 , wherein communicating with the target node comprises communicating one or more messages related to performing handover to the target node using the target RAT and based on the ASDIV configuration.

4. The method of claim 1 , wherein communicating with the target node comprises receiving one or more signals received from the target node using the target RAT and based on the ASDIV configuration in performing inter-RAT measurement of the target node.

5. The method of claim 1 , wherein determining whether the target RAT supports operating using the same ASDIV switch group as the serving RAT comprises determining whether the target RAT uses a same operating radio frequency (RF) band as the serving RAT.

6. The method of claim 1 , further comprising:

storing one or more parameters corresponding to at least one of the ASDIV configuration or the one or more switches, wherein the one or more parameters include at least one of a current RF band or an RF front end signal path from a transceiver to the one or more antennas, wherein determining whether the target RAT supports operating using the same ASDIV switch group as the serving RAT is based at least in part on the one or more parameters.

7. The method of claim 1 , wherein determining whether the target RAT supports operating using a same ASDIV switch group as the serving RAT comprises determining whether the target RAT supports ASDIV.

8. An apparatus for using antenna-switched diversity (ASDIV) in wireless communications, comprising:

a plurality of antennas for transmitting and receiving signals in wireless communications;

a transceiver coupled with the plurality of antennas and including a radio frequency (RF) front end with a plurality of components for generating the signals, wherein the plurality of components include one or more ASDIV switches coupled to the plurality of antennas to enable switching between one or more of the plurality of antennas for transmitting and receiving the signals;

a memory; and

at least one processor coupled to the memory and the transceiver, wherein the at least one processor is configured to:

communicate, via the transceiver, with a serving node using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating;

determine whether a target RAT supports operating using a same ASDIV switch group as the serving RAT; and

communicate, via the transceiver, with a target node using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT,

wherein the at least one processor is configured to determine whether the target RAT operates using the same ASDIV switch group as the serving RAT at least in part by determining whether using the target RAT results in traversing a same signal path in the RF front end from an output of the transceiver to one or more ports of the one or more ASDIV switches as the serving RAT.

9. The apparatus of claim 8 , wherein the at least one processor is further configured to communicate, via the transceiver, with the target node using the target RAT and based on a default ASDIV configuration where the target RAT supports operating using a different ASDIV switch group than the serving RAT.

10. The apparatus of claim 8 , wherein the at least one processor is configured to communicate with the target node at least in part by communicating one or more messages related to performing handover to the target node using the target RAT and based on the ASDIV configuration.

11. The apparatus of claim 8 , wherein the at least one processor is configured to communicate with the target node at least in part by receiving one or more signals received from the target node using the target RAT and based on the ASDIV configuration in performing inter-RAT measurement of the target node.

12. The apparatus of claim 8 , wherein the at least one processor is configured to determine whether the target RAT operates using the same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT uses a same operating radio frequency (RF) band as the serving RAT.

13. The apparatus of claim 8 , wherein the at least one processor is further configured to store one or more parameters corresponding to at least one of the ASDIV configuration or the one or more switches, wherein the one or more parameters include at least one of a current RF band or an RF front end signal path from the transceiver to the one or more antennas, wherein the at least one processor is configured to determine whether the target RAT supports operating using the same ASDIV switch group as the serving RAT based at least in part on the one or more parameters.

14. The apparatus of claim 8 , wherein the at least one processor is configured to determine whether the target RAT supports operating using a same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT supports ASDIV.

15. An apparatus for using antenna-switched diversity (ASDIV) in wireless communications, comprising:

means for communicating with a serving node using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating;

means for determining whether a target RAT supports operating using a same ASDIV switch group as the serving RAT; and

means for communicating with a target node using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT,

wherein the means for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether using the target RAT results in traversing a same radio frequency (RF) front end signal path from a RF transceiver output to one or more ASDIV switch ports of the one or more switches as the serving RAT.

16. The apparatus of claim 15 , further comprising means for communicating with the target node using the target RAT and based on a default ASDIV configuration where the target RAT supports operating using a different ASDIV switch group than the serving RAT.

17. The apparatus of claim 15 , wherein the means for communicating communicates with the target node at least in part by communicating one or more messages related to performing handover to the target node using the target RAT and based on the ASDIV configuration.

18. The apparatus of claim 15 , wherein the means for communicating communicates with the target node at least in part by receiving one or more signals received from the target node using the target RAT and based on the ASDIV configuration in performing inter-RAT measurement of the target node.

19. The apparatus of claim 15 , wherein the means for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT uses a same operating radio frequency (RF) band as the serving RAT.

20. The apparatus of claim 15 , further comprising:

means for storing one or more parameters corresponding to at least one of the ASDIV configuration or the one or more switches, wherein the one or more parameters include at least one of a current RF band or an RF front end signal path from a transceiver to the one or more antennas, wherein the means for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT is based at least in part on the one or more parameters.

21. A non-transitory computer-readable storage medium comprising computer-executable code for using antenna-switched diversity (ASDIV) in wireless communications, the code comprising:

code for communicating with a serving node using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating;

code for determining whether a target RAT supports operating using a same ASDIV switch group as the serving RAT; and

code for communicating with a target node using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT,

wherein the code for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether using the target RAT results in traversing a same radio frequency (RF) front end signal path from a RF transceiver output to one or more ASDIV switch ports of the one or more switches as the serving RAT.

22. The non-transitory computer-readable storage medium of claim 21 , further comprising code for communicating with the target node using the target RAT and based on a default ASDIV configuration where the target RAT supports operating using a different ASDIV switch group than the serving RAT.

23. The non-transitory computer-readable storage medium of claim 21 , wherein the code for communicating communicates with the target node at least in part by communicating one or more messages related to performing handover to the target node using the target RAT and based on the ASDIV configuration.

24. The non-transitory computer-readable storage medium of claim 21 , wherein the code for communicating communicates with the target node at least in part by receiving one or more signals received from the target node using the target RAT and based on the ASDIV configuration in performing inter-RAT measurement of the target node.

25. The non-transitory computer-readable storage medium of claim 21 , wherein the code for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT uses a same operating radio frequency (RF) band as the serving RAT.

26. The non-transitory computer-readable storage medium of claim 21 , further comprising:

code for storing one or more parameters corresponding to at least one of the ASDIV configuration or the one or more switches, wherein the one or more parameters include at least one of a current RF band or an RF front end signal path from a transceiver to the one or more antennas, wherein the code for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT is based at least in part on the one or more parameters.

27. The apparatus of claim 15 , wherein the means for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT supports ASDIV.

28. The non-transitory computer-readable storage medium of claim 21 , wherein the code for determining determines whether the target RAT supports operating using the same ASDIV switch group as the serving RAT at least in part by determining whether the target RAT supports ASDIV.