Inter-cell downlink (DL) interference measurement

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

receiving a reference signal (RS) configuration from a first base station serving the first UE, the RS configuration indicating an RS identifier (ID) of an RS associated with a second base station;

receiving the RS from the second base station based on the RS configuration; and

transmitting, to the first base station, an interference measurement report associated with receiving the RS from the second base station, the interference measurement report further indicating the RS ID associated with the RS from the second base station.

2. The method of claim 1 , wherein the RS ID is or includes a scrambling ID.

3. The method of claim 1 , wherein the RS is a non-zero power (NZP) channel state information (CSI) RS.

4. The method of claim 1 , wherein the RS configuration further indicates one or more of bandwidth part information associated with the RS, time and frequency domain resource allocation information associated with the RS, power control information associated with the RS, or periodicity and offset information associated with the RS.

5. The method of claim 1 , further comprising receiving, from the first base station, a measurement gap configuration indicating a measurement gap for measuring the RS, wherein the interference measurement report is based on measuring the RS during the measurement gap.

6. The method of claim 1 , further comprising receiving, from the first base station, a receive beam configuration indicating a receive beam for measuring the RS, wherein the interference measurement report is based on measuring the RS on the receive beam.

7. The method of claim 1 , wherein the RS is a demodulation RS (DMRS).

8. The method of claim 7 , wherein the RS configuration further indicates one or more of a DMRS type associated with the RS, a code division multiplexing (CDM) group associated with the RS, a symbol index associated with the RS, or a maximum length associated with the RS.

9. The method of claim 7 , further comprising receiving, from the first base station, a first physical downlink shared channel (PDSCH), wherein the RS is received on a second PDSCH associated with the second base station based on receiving the first PDSCH.

10. The method of claim 1 , wherein the interference measurement report indicates one or more of a measured interference power associated with the RS, time and frequency domain resources associated with the RS, or a receive beam associated with the RS.

11. The method of claim 1 , wherein the first base station serves the first UE in a first frequency band and the second base station serves a second UE in a second frequency band.

12. An apparatus for wireless communications at a user equipment (UE), comprising:

one or more processors;

one or more memories coupled with the one or more processors; and

one or more instructions stored in the one or more memories and operable, when executed by the one or more processors individually or collectively, to cause the apparatus to:

receive a reference signal (RS) configuration from a first base station serving the first UE, the RS configuration indicating an RS identifier (ID) of an RS associated with a second base station;

receive the RS from the second base station based on the RS configuration; and

transmit, to the first base station, an interference measurement report associated with receiving the RS from the second base station, the interference measurement report further indicating the RS ID associated with the RS from the second base station.

13. The apparatus of claim 12 , wherein:

the RS ID is or includes a scrambling ID; and

the RS is a non-zero power (NZP) channel state information (CSI) RS or a demodulation RS (DMRS).

14. The apparatus of claim 12 , wherein the RS configuration further indicates one or more of bandwidth part information associated with the RS, time and frequency domain resource allocation information associated with the RS, power control information associated with the RS, or periodicity and offset information associated with the RS.

15. A method for wireless communication performed by a first base station, comprising:

transmitting, to a first user equipment (UE), a reference signal (RS) configuration indicating a first RS identifier (ID) of a first RS associated with a second base station;

receiving, from the first UE, a first interference measurement report associated with receiving the first RS at the first UE from the second base station based on transmitting the RS configuration, the first interference measurement report further indicating the first RS ID associated with the first RS; and

transmitting, to the second base station, the first interference measurement report based on receiving the first interference measurement report.

16. The method of claim 15 , wherein the first RS ID is or includes a scrambling ID.

17. The method of claim 15 , wherein the first RS is a non-zero power (NZP) channel state information (CSI) RS.

18. The method of claim 15 , wherein the RS configuration further indicates one or more of bandwidth part information associated with the first RS, time and frequency domain resource allocation information associated with the first RS, power control information associated with the first RS, or periodicity and offset information associated with the first RS.

19. The method of claim 15 , further comprising transmitting, to the first UE, a measurement gap configuration indicating a measurement gap for measuring the first RS.

20. The method of claim 15 , further comprising transmitting, to the first UE, a receive beam configuration indicating a receive beam for measuring the first RS.

21. The method of claim 15 , wherein the first RS is a demodulation RS (DMRS).

22. The method of claim 21 , wherein the RS configuration further indicates one or more of a DMRS type associated with the first RS, a code division multiplexing (CDM) group associated with the first RS, a symbol index associated with the first RS, or a maximum length associated with the first RS.

23. The method of claim 15 , wherein the first interference measurement report indicates one or more of a measured interference power associated with the first RS, time and frequency domain resources associated with the first RS, or a receive beam associated with the first RS.

24. The method of claim 15 , further comprising adjusting one or more of a time resource or a frequency resource associated with a downlink transmission to the first UE based on receiving the first interference measurement report.

25. The method of claim 15 , further comprising:

receiving, from the second base station, a second interference measurement report associated with receiving a second RS at a second UE from the first base station, the second interference measurement report further indicating a second RS ID associated with the second RS; and

adjusting one or more of a time resource or a frequency resource associated with a downlink transmission to the first UE based on receiving one or both of the first interference measurement report and the second interference measurement report.

26. The method of claim 15 , wherein the first base station serves the first UE in a first frequency band and the second base station serves a second UE in a second frequency band.

27. An apparatus for wireless communications at a first base station, comprising:

one or more processors;

one or more memories coupled with the one or more processors; and

one or more instructions stored in the one or more memories and operable, when executed by the one or more processors individually or collectively, to cause the apparatus to:

transmit, to a first user equipment (UE), a reference signal (RS) configuration indicating a first RS identifier (ID) of a first RS associated with a second base station;

receive, from the first UE, a first interference measurement report associated with receiving the first RS at the first UE from the second base station based on transmitting the RS configuration, the first interference measurement report further indicating the first RS ID associated with the first RS; and

transmit, to the second base station, the first interference measurement report based on receiving the first interference measurement report.

28. The apparatus of claim 27 , wherein the first RS ID is or includes a scrambling ID.

29. The apparatus of claim 27 , wherein the first RS is a non-zero power (NZP) channel state information (CSI) RS or a demodulation RS (DMRS).

30. The apparatus of claim 27 , wherein the RS configuration further indicates one or more of bandwidth part information associated with the first RS, time and frequency domain resource allocation information associated with the first RS, power control information associated with the first RS, or periodicity and offset information associated with the first RS.