Granted Patent B2

US 12,200,609 · App. 17/439,366 · Granted Jan 14, 2025

Inventors: Jun Zhu (San Diego, CA); Mihir Vijay Laghate (San Diego, CA); Raghu Narayan Challa (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04W48/16H04W24/10H04W56/001H04W72/046H04W36/302

Abstract

Claims (67)

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

selecting, for a plurality of search opportunities, receive beams of a plurality of receive beams for receiving synchronization signals, the plurality of receive beams comprising at least one receive beam and at least one additional receive beam, wherein:

the plurality of search opportunities comprise a plurality of scheduled time periods for receiving the synchronization signals;

the plurality of search opportunities comprise a plurality of regular search opportunities and a plurality of prioritized search opportunities; and

the selecting for the plurality of search opportunities comprises:

selecting from the at least one receive beam for a first search opportunity of the plurality of prioritized search opportunities; and

selecting from at least the at least one additional receive beam for a second search opportunity of the plurality of regular search opportunities; and

receiving, at the plurality of search opportunities, the corresponding synchronization signals using the corresponding selected receive beams.

2. The method of claim 1 , wherein the at least one receive beam is at least one prioritized receive beam, wherein the selecting for the plurality of search opportunities comprises:

selecting from the at least one prioritized receive beam for the plurality of prioritized search opportunities; and

selecting from the at least the at least one additional receive beam for the plurality of regular search opportunities.

3. The method of claim 2 , wherein:

selecting from the at least the at least one additional receive beam for the plurality of regular search opportunities comprises selecting from the at least the at least one additional receive beam such that once a given receive beam of the at least the at least one additional receive beam is selected it is not selected again until all other receive beams of the at least the at least one additional receive beam are selected;

selecting from the at least one prioritized receive beam for the plurality of prioritized search opportunities comprises selecting from the at least one prioritized receive beam such that once a given receive beam of the at least one prioritized receive beam is selected it is not selected again until all other receive beams of the at least one prioritized receive beam are selected; or

any combination thereof.

4. The method of claim 1 , further comprising dynamically determining the at least one receive beam based on measured signal quality of the corresponding synchronization signals as received using the plurality of receive beams.

5. The method of claim 4 , wherein:

the at least one receive beam is dynamically determined based on each of the at least one receive beam having been selected at least a threshold number of times;

the at least one receive beam is dynamically determined once every time period, wherein the time period is based on a number of the at least one receive beam;

the at least one receive beam is dynamically determined as at least one of the plurality of receive beams with a measured signal quality above a threshold; or any combination thereof.

6. The method of claim 1 , wherein different receive beams are selected for adjacent search opportunities.

7. A user equipment (UE) comprising:

one or more processors configured to execute instructions stored on one or more memories and to cause the UE to:

select, for a plurality of search opportunities, receive beams of a plurality of receive beams for receiving synchronization signals, the plurality of receive beams comprising at least one receive beam and at least one additional receive beam, wherein:

the plurality of search opportunities comprise a plurality of scheduled time periods for receiving the synchronization signals;

the plurality of search opportunities comprise a plurality of regular search opportunities and a plurality of prioritized search opportunities; and

to select for the plurality of search opportunities comprising to:

select from the at least one receive beam for a first search opportunity of the plurality of prioritized search opportunities; and

select from at least the at least one additional receive beam for a second search opportunity of the plurality of regular search opportunities; and

receive, at the plurality of search opportunities, the corresponding synchronization signals using the corresponding selected receive beams.

8. The UE of claim 7 , wherein the at least one receive beam is at least one prioritized receive beam, wherein to select for the plurality of search opportunities comprises to:

select from the at least one prioritized receive beam for the plurality of prioritized search opportunities; and

select from the at least the at least one additional receive beam for the plurality of regular search opportunities.

9. The UE of claim 8 , wherein to select from the at least the at least one additional receive beam for the plurality of regular search opportunities comprises to select from the at least the at least one additional receive beam such that once a given receive beam of the at least the at least one additional receive beam is selected it is not selected again until all other receive beams of the at least the at least one additional receive beam are selected.

10. The UE of claim 8 , wherein to select from the at least the at least one additional receive beam for the plurality of regular search opportunities comprises to select from the at least the at least one additional receive beam for the plurality of regular search opportunities in a round robin fashion.

11. The UE of claim 8 , wherein to select from the at least one prioritized receive beam for the plurality of prioritized search opportunities comprises to select from the at least one prioritized receive beam such that once a given receive beam of the at least one prioritized receive beam is selected it is not selected again until all other receive beams of the at least one prioritized receive beam are selected.

12. The UE of claim 8 , wherein to select from the at least one prioritized receive beam for the plurality of prioritized search opportunities comprises to select from the at least one prioritized receive beam in a round robin fashion.

13. The UE of claim 7 , wherein to select from at least the at least one additional receive beam comprises to select from the plurality of receive beams.

14. The UE of claim 7 , wherein the plurality of search opportunities are a plurality of periodic search opportunities.

15. The UE of claim 7 , wherein the at least one receive beam is statically defined.

16. The UE of claim 7 , wherein the one or more processors are further configured to cause the UE to dynamically determine the at least one receive beam based on measured signal quality of the corresponding synchronization signals as received using the plurality of receive beams.

17. The UE of claim 16 , wherein the at least one receive beam is dynamically determined based on each of the at least one receive beam having been selected at least a threshold number of times.

18. The UE of claim 16 , wherein the at least one receive beam is dynamically determined once every time period.

19. The UE of claim 18 , wherein the time period is based on a number of the at least one receive beam.

20. The UE of claim 16 , wherein the at least one receive beam is dynamically determined as at least one of the plurality of receive beams with a measured signal quality above a threshold.

21. The UE of claim 7 , wherein different receive beams are selected for adjacent search opportunities.

22. The UE of claim 7 , wherein the plurality of search opportunities comprises a number of periods, each period comprising a regular search opportunity followed by multiple prioritized search opportunities.

23. The UE of claim 7 , wherein the plurality of receive beams comprise a plurality of psuedo-omni receive beams.

24. The UE of claim 7 , wherein the synchronization signals correspond to at least one transmit beam of at least one base station.

25. The UE of claim 7 , wherein the one or more processors are further configured to cause the UE to perform one of a beam switch or a handover procedure based on the receiving.

26. The UE of claim 7 , wherein the plurality of search opportunities comprise a plurality of time resources assigned to synchronization signal burst sets.

27. A user equipment (UE) comprising:

means for selecting, for a plurality of search opportunities, receive beams of a plurality of receive beams for receiving synchronization signals, the plurality of receive beams comprising at least one receive beam and at least one additional receive beam, wherein:

the plurality of search opportunities comprise a plurality of scheduled time periods for receiving the synchronization signals;

the plurality of search opportunities comprise a plurality of regular search opportunities and a plurality of prioritized search opportunities; and

the means for selecting for the plurality of search opportunities being configured to:

select from the at least one receive beam for a first search opportunity of the plurality of prioritized search opportunities; and

select from at least the at least one additional receive beam for a second search opportunity of the plurality of regular search opportunities; and

means for receiving, at the plurality of search opportunities, the corresponding synchronization signals using the corresponding selected receive beams.

28. A non-transitory computer readable storage medium that stores instructions that when executed by a user equipment (UE) cause the UE to perform a method for wireless communication, the method comprising:

selecting, for a plurality of search opportunities, receive beams of a plurality of receive beams for receiving synchronization signals, the plurality of receive beams comprising at least one receive beam and at least one additional receive beam, wherein:

the plurality of search opportunities comprise a plurality of scheduled time periods for receiving the synchronization signals;

the plurality of search opportunities comprise a plurality of regular search opportunities and a plurality of prioritized search opportunities; and

the selecting for the plurality of search opportunities comprising:

selecting from the at least one receive beam for a first search opportunity of the plurality of prioritized search opportunities; and

selecting from at least the at least one additional receive beam for a second search opportunity of the plurality of regular search opportunities; and

receiving, at the plurality of search opportunities, the corresponding synchronization signals using the corresponding selected receive beams.

Assignments (1)

Continuity (2)

References Cited (36)