Method and apparatus for interference measurement

1. A user equipment (UE) comprising:

a transceiver configured to receive configuration information on at least three reference signal (RS) resources, wherein:

two of the at least three RS resources correspond to channel state information interference measurement (CSI-IM) resources, a first of the CSI-IM resources being zero power and a second of the CSI-IM resources being non-zero power, and

a third of the at least three RS resources corresponds to a channel measurement resource (CMR); and

a processor operably connected to the transceiver, the processor configured to:

measure interference based on the CSI-IM resources; and

calculate a beam metric based on the measured interference,

wherein the transceiver is further configured to transmit the beam metric.

2. The UE of claim 1 , wherein the two CSI-IM resources share a common frequency-domain resource element (RE) pattern.

3. The UE of claim 1 , wherein a frequency-domain RE pattern of a first of the CSI-IM resources overlaps with that of a second of the CSI-IM resources.

4. The UE of claim 1 , wherein a first of the CSI-IM resources is designated for interference measurement and a second of the CSI-IM resources is for emulating an interference source.

5. The UE of claim 1 , wherein the beam metric indicates a layer-1 signal-to-interference-and-noise-ratio (L1-SINR) and includes at least one RS resource indicator.

6. A base station (BS) comprising:

a processor configured to generate configuration information on at least three reference signal (RS) resources, wherein:

two of the at least three RS resources correspond to channel state information interference measurement (CSI-IM) resources, a first of the CSI-IM resources being zero power and a second of the CSI-IM resources being non-zero power, and

a third of the at least three RS resources corresponds to a channel measurement resource (CMR); and

a transceiver operably connected to the processor, the transceiver configured to:

transmit, to a user equipment (UE), the configuration information, and

receive, from the UE, a beam metric that indicates an interference measurement based on the CSI-IM resources.

7. The BS of claim 6 , wherein the two CSI-IM resources share a common frequency-domain resource element (RE) pattern.

8. The BS of claim 6 , wherein a first of the CSI-IM resources is designated for interference measurement and a second of the CSI-IM resources is for emulating an interference source.

9. The BS of claim 6 , wherein the beam metric indicates a layer-1 signal-to-interference-and-noise-ratio (L1-SINR) and includes at least one RS resource indicator.

10. A method for operating a user equipment (UE), the method comprising:

receiving configuration information on at least three reference signal (RS) resources, wherein:

two of the at least three RS resources correspond to channel state information interference measurement (CSI-IM) resources, a first of the CSI-IM resources being zero power and a second of the CSI-IM resources being non-zero power, and

a third of the at least three RS resources corresponds to a channel measurement resource (CMR);

measuring interference based on the CSI-IM resources;

calculate a beam metric based on the measured interference; and

transmitting the beam metric.

11. The method of claim 10 , wherein the two CSI-IM resources share a common frequency-domain resource element (RE) pattern.

12. The method of claim 10 , wherein a frequency-domain resource element (RE) pattern of a first of the CSI-IM resources overlaps with that of a second of the CSI-IM resources.

13. The method of claim 10 , wherein a first of the CSI-IM resources is designated for interference measurement and a second of the CSI-IM resources is for emulating an interference source.

14. The method of claim 10 , wherein the beam metric indicates a layer-1 signal-to-interference-and-noise-ratio (L1-SINR) and includes at least one RS resource indicator.