Full duplex interference measurement and reporting

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

transmitting a first signal in uplink (UL) resources to a first base station;

receiving a second signal in downlink (DL) resources concurrently with transmission of the first signal to the first base station, the received second signal including interference associated with the transmitted first signal;

determining a level of the interference received in the second signal that is associated with the transmitted first signal; and

transmitting information associated with the level of the interference to the first base station, the information indicating at least one of a number of resource elements (REs) or a number of resource blocks (RBs) from the UL resources at which the level of the interference does not exceed an interference threshold.

2. The method of claim 1 , wherein the transmitted information indicates a size of a guard band within the DL resources and immediately adjacent to the UL resources, and the method further comprises communicating with the first base station through the UL resources and the DL resources excluding the guard band.

3. The method of claim 1 , wherein the second signal is received from the first base station.

4. The method of claim 1 , wherein the second signal is received from a second base station different from the first base station.

5. The method of claim 1 , wherein the transmitted first signal comprises sounding reference signals (SRS), and the received second signal comprises interference associated with the transmitted SRS.

6. The method of claim 1 , wherein the received second signal comprises channel state information (CSI) reference signals (RS) (CSI-RS) with interference associated with the transmitted first signal.

7. The method of claim 1 , wherein the UL resources and the DL resources are adjacent to each other.

8. The method of claim 1 , wherein the UL resources and DL resources are separated by a guard band.

9. The method of claim 1 , further comprising:

receiving a third signal in second DL resources concurrently with the transmission of the first signal to the first base station, the received third signal including second interference associated with the transmitted first signal, the UL resources being between the DL resources and the second DL resources;

determining a second level of the second interference received in the third signal that is associated with the transmitted first signal; and

transmitting second information associated with the determined second level of the second interference to the first base station.

10. The method of claim 1 , further comprising determining the interference threshold based on one or more of a received configuration or a capability of the UE.

11. The method of claim 1 , further comprising receiving a configuration of the interference threshold.

12. The method of claim 1 , wherein the interference threshold is based on a UE capability of the UE.

13. The method of claim 1 , further comprising determining the at least one of the number of REs or the number of RBs for a guard band between the UL resources and the DL resources where the level of the interference due to the transmitted first signal within the DL resources immediately adjacent to the guard band is less than the interference threshold, and wherein the transmitted information is associated with the at least one of the number of REs or the number of RBs defining a size of the guard band.

14. The method of claim 1 , wherein the information is transmitted in a report in at least one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).

15. The method of claim 1 , wherein the level of the interference is determined upon at least one of receipt of a request from the first base station, a determination that a reference signal (RS) received power (RSRP) of received RS is less than a threshold, or an expiration of a timer.

16. The method of claim 1 , wherein the UL resources are time division multiplexed (TDMed) with other UL resources associated with other UEs.

17. The method of claim 1 , wherein the UL resources are frequency division multiplexed (FDMed) with other UL resources associated with other UEs, wherein a guard band between the UL resources and the other UL resources has a size greater than a threshold size.

18. The method of claim 1 , further comprising:

receiving a configuration from the first base station for turning on or turning off self-interference cancelation;

receiving DL communication from the first base station;

canceling self-interference within the DL communication based on the level of the interference when the self-interference cancelation is configured to be on; and

transmitting information to the first base station indicating a capability associated with the self-interference cancelation, the information indicating at least one of one or more different interference cancelation (IC) techniques or a number of kernels used in IC.

19. An apparatus for wireless communication, the apparatus being a wireless device at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

transmit a first signal in uplink (UL) resources to a first base station;

receive a second signal in downlink (DL) resources concurrently with transmission of the first signal to the first base station, the received second signal including interference associated with the transmitted first signal;

determine a level of the interference received in the second signal that is associated with the transmitted first signal; and

transmit information associated with the level of the interference to the first base station, the information indicating at least one of a number of resource elements (REs) or a number of resource blocks (RBs) from the UL resources at which the level of the interference does not exceed an interference threshold.

20. The apparatus of claim 19 , wherein the transmitted information indicates a size of a guard band within the DL resources immediately adjacent to the UL resources, and the at least one processor further configured to communicate with the first base station through the UL resources and the DL resources excluding the guard band.

21. The apparatus of claim 19 , wherein the at least one processor is further configured to:

receive a third signal in second DL resources concurrently with the transmission of the first signal to the first base station, the received third signal including second interference associated with the transmitted first signal, the UL resources being between the DL resources and the second DL resources;

determine a second level of the second interference received in the third signal that is associated with the transmitted first signal; and

transmit second information associated with the determined second level of the second interference to the first base station.

22. The apparatus of claim 19 , wherein:

the at least one processor is further configured to:

receive a configuration of the interference threshold, and

determine the interference threshold from the configuration, the interference threshold is based on a UE capability of the UE.

23. The apparatus of claim 22 , wherein the at least one processor is further configured to determine the at least one of the number of REs or the number of RBs for a guard band between the UL resources and the DL resources where the level of the interference due to the transmitted first signal within the DL resources immediately adjacent to the guard band is less than the interference threshold, and wherein the transmitted information is associated with the at least one of the number of REs or the number of RBs defining a size of the guard band.

24. The apparatus of claim 19 , wherein the information is transmitted in a report in at least one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).

25. The apparatus of claim 19 , wherein the level of the interference is determined upon at least one of a receipt of a request from the first base station, a determination that a reference signal (RS) received power (RSRP) of received RS is less than a threshold, or an expiration of a timer.

26. The apparatus of claim 19 , wherein the UL resources are time division multiplexed (TDMed) with other UL resources associated with other UEs.

27. The apparatus of claim 19 , wherein the UL resources are frequency division multiplexed (FDMed) with other UL resources associated with other UEs, wherein a guard band between the UL resources and the other UL resources has a size greater than a threshold size.

28. The apparatus of claim 19 , wherein the at least one processor is further configured to:

receive a configuration from the first base station for turning on or turning off self-interference cancelation;

receive DL communication from the first base station;

cancel self-interference within the DL communication based on the level of the interference when the self-interference cancelation is configured to be on; and

transmit information to the first base station indicating a capability associated with the self-interference cancelation, the information indicating at least one of one or more different interference cancelation (IC) techniques or a number of kernels used in IC.

29. An apparatus for wireless communication, the apparatus being a wireless device at a user equipment (UE), comprising:

means for transmitting a first signal in uplink (UL) resources to a first base station;

means for receiving a second signal in downlink (DL) resources concurrently with transmission of the first signal to the first base station, the received second signal including interference associated with the transmitted first signal;

means for determining a level of the interference received in the second signal that is associated with the transmitted first signal; and

means for transmitting information associated with the level of the interference to the first base station, the information indicating at least one of a number of resource elements (REs) or a number of resource blocks (RBs) from the UL resources at which the level of the interference does not exceed an interference threshold.

30. A non-transitory computer-readable medium storing computer executable code, the code when executed by a processor of a wireless device at a user equipment (UE) causes the processor to:

transmit a first signal in uplink (UL) resources to a first base station;

receive a second signal in downlink (DL) resources concurrently with transmission of the first signal to the first base station, the received second signal including interference associated with the transmitted first signal;

determine a level of the interference received in the second signal that is associated with the transmitted first signal; and

transmit information associated with the level of the interference to the first base station, the information indicating at least one of a number of resource elements (REs) or a number of resource blocks (RBs) from the UL resources at which the level of the interference does not exceed an interference threshold.