Measurement of reference signal with polarization
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a duration of a first gap that precedes a reference signal, based at least in part on a polarization of the reference signal. The UE may determine a duration of a second gap that succeeds the reference signal, based at least in part on the polarization of the reference signal. The UE may perform a measurement of the reference signal based at least in part on the first gap and the second gap. Numerous other aspects are provided.
1. An apparatus for wireless communication at a user equipment (UE), comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
determine a duration of a first gap that precedes a reference signal based at least in part on a polarization of the reference signal;
determine a duration of a second gap that succeeds the reference signal based at least in part on the polarization of the reference signal; and
perform a measurement of the reference signal based at least in part on the first gap and the second gap, the measurement being performed by switching, during the first gap, an antenna configuration to the polarization of the reference signal from a different polarization, and revert, during the second gap, the antenna configuration to the different polarization.
2. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the first gap, are configured to determine the duration of the first gap based at least in part on a difference between the polarization of the reference signal and the different polarization.
3. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the second gap, are configured to determine the duration of the second gap based at least in part on a difference between the polarization of the reference signal and the different polarization.
4. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the first gap, are configured to determine the duration of the first gap based at least in part on one or more of a bandwidth part for the reference signal or a bandwidth part used before the first gap.
5. The apparatus of claim 4 , wherein the bandwidth part for the reference signal and the bandwidth part used before the first gap are the same bandwidth part.
6. The apparatus of claim 4 , wherein the bandwidth part for the reference signal is different than the bandwidth part used before the first gap.
7. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the second gap, are configured to determine the duration of the second gap based at least in part on one or more of a bandwidth part for the reference signal or a bandwidth part used before the first gap.
8. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the first gap, are configured to determine the duration of the first gap based at least in part on one or more of a spatial relation for the reference signal or a spatial relation used before the first gap.
9. The apparatus of claim 1 , wherein the one or more processors, to determine the duration of the second gap, are configured to determine the duration of the second gap based at least in part on one or more of a spatial relation for the reference signal or a spatial relation used before the first gap.
10. The apparatus of claim 1 , wherein the one or more processors, to perform the measurement of the reference signal, are further configured to determine one or more of a layer 3 reference signal received power (RSRP) or a layer 1 RSRP of the reference signal.
11. The apparatus of claim 1 , wherein the reference signal is one of a channel state information (CSI) reference signal or a zero-transmission on an allocated CSI interference measurement resource.
12. The apparatus of claim 11 , wherein the CSI interference measurement resource is beam specific, wherein a beam is identified by one or more of an SSB index, a physical cell identity, or a satellite beam identity.
13. The apparatus of claim 12 , wherein the one or more processors are configured to measure interference, in an indicated polarization, from one or more beams.
14. A method of wireless communication at a user equipment (UE), comprising:
determining a duration of a first gap that precedes a reference signal based at least in part on a polarization of the reference signal;
determining a duration of a second gap that succeeds the reference signal based at least in part on the polarization of the reference signal; and
performing a measurement of the reference signal based at least in part on the first gap and the second gap, the measurement being performed by switching, during the first gap, an antenna configuration to the polarization of the reference signal from a different polarization, and reverting, during the second gap, the antenna configuration to the different polarization.
15. The method of claim 14 , wherein determining the duration of the first gap is based at least in part on a difference between the polarization of the reference signal and the different polarization.
16. The method of claim 14 , wherein determining the duration of the second gap is based at least in part on a difference between the polarization of the reference signal and the different polarization.
17. The method of claim 14 , wherein determining the duration of the first gap is based at least in part on one or more of a bandwidth part for the reference signal or a bandwidth part used before the first gap.
18. The method of claim 17 , wherein the bandwidth part for the reference signal and the bandwidth part used before the first gap are the same bandwidth part.
19. The method of claim 17 , wherein the bandwidth part for the reference signal is different than the bandwidth part used before the first gap.
20. The method of claim 14 , wherein determining the duration of the second gap is based at least in part on one or more of a bandwidth part for the reference signal or a bandwidth part used before the first gap.
21. The method of claim 14 , wherein determining the duration of the first gap is based at least in part on one or more of a spatial relation for the reference signal or a spatial relation used before the first gap.
22. The method of claim 14 , wherein determining the duration of the second gap is based at least in part on one or more of a spatial relation for the reference signal or a spatial relation used before the first gap.
23. The method of claim 14 , wherein performing the measurement of the reference signal further comprises determining one or more of a layer 3 reference signal received power (RSRP) or a layer 1 RSRP of the reference signal.
24. The method of claim 14 , wherein the reference signal is one of a channel state information (CSI) reference signal or a zero-transmission on an allocated CSI interference measurement resource.
25. The method of claim 24 , wherein the CSI interference measurement resource is beam specific, wherein a beam is identified by one or more of an SSB index, a physical cell identity, or a satellite beam identity.
26. The method of claim 25 , wherein the method further comprises the step of measuring interference, in an indicated polarization, from one or more beams.
27. An apparatus for wireless communication at a user equipment (UE), comprising:
means for determining a duration of a first gap that precedes a reference signal based at least in part on a polarization of the reference signal;
means for determining a duration of a second gap that succeeds the reference signal based at least in part on the polarization of the reference signal; and
means for performing a measurement of the reference signal based at least in part on the first gap and the second gap, the measurement being performed by switching, during the first gap, an antenna configuration to the polarization of the reference signal from a different polarization, and reverting, during the second gap, the antenna configuration to the different polarization.
28. A non-transitory computer-readable medium storing code for wireless communications at a user equipment (UE), the code comprising instructions executable by a processor to:
determine a duration of a first gap that precedes a reference signal based at least in part on a polarization of the reference signal;
determine a duration of a second gap that succeeds the reference signal based at least in part on the polarization of the reference signal; and
perform a measurement of the reference signal based at least in part on the first gap and the second gap, the measurement being performed by switching, during the first gap, an antenna configuration to the polarization of the reference signal from a different polarization, and reverting, during the second gap, the antenna configuration to the different polarization.