Granted Patent B2

US 12,374,787 · App. 17/170,315 · Granted Jul 29, 2025

Inventors: Vasanthan Raghavan (West Windsor Township, NJ); Junyi Li (Franklin Park, NJ)

Assignee: QUALCOMM Incorporated

H04W72/21H01Q3/28H01Q3/34H04W52/04

Abstract

Claims (89)

1. A method for wireless communications at a first device, comprising:

adjusting one or more operations for one or more first sets of antenna elements of the first device according to a state change for the first device;

transmitting, to a second device after initiating a first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device, a state change request for one or more second sets of antenna elements of the second device based at least in part on the state change for the first device, wherein the state change is based at least in part on a condition associated with communications between the first device and the second device, and wherein the state change request indicates that the first device initiated the first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device;

receiving, in response to the state change request, a response message that indicates a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request; and

communicating with the second device based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

2. The method of claim 1 , wherein adjusting the one or more operations for the one or more first sets of antenna elements of the first device comprises:

increasing or decreasing a number of first antenna elements of the one or more first sets of antenna elements of the first device to be used for communicating with the second device.

3. The method of claim 1 , wherein adjusting the one or more operations for the one or more first sets of antenna elements of the first device comprises:

changing a quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communicating with the second device.

4. The method of claim 1 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device indicates an updated transmit power of the second device that is associated with transmissions to the first device.

5. The method of claim 1 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device indicates an updated modulation and coding scheme (MCS) for the communications between the first device and the second device.

6. The method of claim 1 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device is received via a physical downlink control channel (PDCCH) or a physical uplink control channel (PUCCH).

7. The method of claim 1 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device is received via one or more of downlink control information (DCI), a medium access control (MAC) control element (MAC-CE), or radio resource control (RRC) signaling.

8. The method of claim 1 , further comprising:

identifying a metric associated with the communications between the first device and the second device, wherein the condition is based at least in part on a change of the metric.

9. The method of claim 8 , wherein the condition comprises the change of the metric exceeding a threshold.

10. The method of claim 8 , wherein the metric comprises a signal quality associated with the communications between the first device and the second device.

11. The method of claim 1 , wherein the condition is based at least in part on a thermal characteristic, a power characteristic, or both, of one or more of the first device or the second device.

12. The method of claim 1 , wherein the first device is a user equipment (UE) in a wireless communications system and the second device is a network entity in the wireless communications system.

13. The method of claim 1 , wherein one or more of the first device or the second device is one of a network entity, a customer premises equipment (CPE), a relay device, a router, a repeater, or an integrated access and backhaul (IAB) node.

14. A method for wireless communications, comprising:

receiving a state change request for one or more second sets of antenna elements of a second device, wherein the state change request indicates that a first device initiated a first adjustment of one or more operations for one or more first sets of antenna elements of the first device;

performing a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request;

transmitting, in response to the state change request and based at least in part on the second adjustment for the one or more second sets of antenna elements, a response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device; and

communicating based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

15. The method of claim 14 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise an increased or decreased number of first antenna elements of the one or more first sets of antenna elements of the first device to be used for communicating with the second device.

16. The method of claim 14 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise a changed quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communicating with the second device.

17. The method of claim 14 , wherein performing the second adjustment for the one or more second sets of antenna elements of the second device comprises:

updating a transmit power of the second device based at least in part on the state change request, the transmit power associated with transmissions to the first device, wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device indicates the updated transmit power.

18. The method of claim 14 , wherein performing the second adjustment for the one or more second sets of antenna elements of the second device comprises:

updating a modulation and coding scheme (MCS) for communication between the first device and the second device based at least in part on the state change request, wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device indicates the updated MCS.

19. The method of claim 14 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device is transmitted via a physical downlink control channel (PDCCH) or a physical uplink control channel (PUCCH).

20. The method of claim 14 , wherein the response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device is transmitted via one or more of downlink control information (DCI), a medium access control (MAC) control element (MAC-CE), or radio resource control (RRC) signaling.

21. The method of claim 14 , wherein the state change request is based at least in part on a condition associated with a metric associated with communication between the first device and the second device.

22. The method of claim 21 , wherein the condition comprises a change of the metric exceeding a threshold.

23. The method of claim 21 , wherein the metric comprises a signal quality associated with the communication between the first device and the second device.

24. The method of claim 21 , wherein the condition is based at least in part on a thermal characteristic, a power characteristic, or both, of one or more of the first device or the second device.

25. The method of claim 14 , wherein the first device is a user equipment (UE) in a wireless communications system and the second device is a network entity in the wireless communications system.

26. The method of claim 14 , wherein one or more of the first device or the second device is one of a network entity, a customer premises equipment (CPE), a relay device, a router, a repeater, or an integrated access and backhaul (IAB) node.

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

means for adjusting one or more operations for one or more first sets of antenna elements of the first device according to a state change for the first device;

means for transmitting, to a second device after initiating a first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device, a state change request for one or more second sets of antenna elements of the second device based at least in part on the state change for the first device, wherein the state change is based at least in part on a condition associated with communications between the first device and the second device, and wherein the state change request indicates that the first device initiated the first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device;

means for receiving, in response to the state change request, a response message that indicates a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request; and

means for communicating with the second device based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

28. The apparatus of claim 27 , wherein the means for adjusting the one or more operations for the one or more first sets of antenna elements of the first device comprise:

means for increasing or decreasing a number of antenna elements of the one or more first sets of antenna elements of the first device to be used for communicating with the second device.

29. The apparatus of claim 27 , wherein the means for adjusting the one or more operations for the one or more first sets of antenna elements of the first device comprise:

means for changing a quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communicating with the second device.

30. An apparatus for wireless communications, comprising:

means for receiving a state change request for one or more second sets of antenna elements of a second device, wherein the state change request indicates that a first device initiated a first adjustment of one or more operations for one or more first sets of antenna elements of the first device;

means for performing a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request;

means for transmitting, in response to the state change request and based at least in part on the second adjustment for the one or more second sets of antenna elements, a response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device; and

means for communicating based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

31. An apparatus for wireless communication at a first device, comprising:

one or more memories; and

one or more processors coupled with the one or more memories and configured to cause the first device to:

adjust one or more operations for one or more first sets of antenna elements of the first device according to a state change for the first device;

transmit, to a second device after initiating a first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device, a state change request for one or more second sets of antenna elements of the second device based at least in part on the state change for the first device, wherein the state change is based at least in part on a condition associated with communications between the first device and the second device, and wherein the state change request indicates that the first device initiated the first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device;

receive, in response to the state change request, a response message that indicates a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request; and

communicate with the second device based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

32. The apparatus of claim 31 , wherein, to adjust the one or more operations for the one or more first sets of antenna elements of the first device, the one or more processors are configured to cause the first device to:

increase or decrease a number of first antenna elements of the one or more first sets of antenna elements of the first device to be used to communicate with the second device.

33. The apparatus of claim 31 , wherein, to adjust the one or more operations for the one or more first sets of antenna elements of the first device, the one or more processors are configured to cause the first device to:

change a quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communications with the second device.

34. An apparatus for wireless communication, comprising:

one or more memories; and

one or more processors coupled with the one or more memories and configured to:

receive a state change request for one or more second sets of antenna elements of a second device, wherein the state change request indicates that a first device initiated a first adjustment of one or more operations for one or more first sets of antenna elements of the first device;

perform a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request;

transmit, in response to the state change request and based at least in part on the second adjustment for the one or more second sets of antenna elements, a response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device; and

communicate based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

35. The apparatus of claim 34 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise an increased or decreased number of first antenna elements of the one or more first sets of antenna elements of the first device to be used for communications with the second device.

36. The apparatus of claim 34 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise a changed quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communications with the second device.

37. A non-transitory computer-readable medium storing code for wireless communication at a first device, the code comprising instructions executable by one or more processors to cause the first device to:

adjust one or more operations for one or more first sets of antenna elements of the first device according to a state change for the first device;

transmit, to a second device after initiating a first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device, a state change request for one or more second sets of antenna elements of the second device based at least in part on the state change for the first device, wherein the state change is based at least in part on a condition associated with communications between the first device and the second device, and wherein the state change request indicates that the first device initiated the first adjustment of the one or more operations for the one or more first sets of antenna elements of the first device;

receive, in response to the state change request, a response message that indicates a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request; and

communicate with the second device based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

38. The non-transitory computer-readable medium of claim 37 , wherein the instructions to adjust the one or more operations for the one or more first sets of antenna elements of the first device are executable by the one or more processors to:

increase or decrease a number of first antenna elements of the one or more first sets of antenna elements of the first device to be used to communicate with the second device.

39. The non-transitory computer-readable medium of claim 37 , wherein the instructions to adjust the one or more operations for the one or more first sets of antenna elements of the first device are executable by the one or more processors to:

change a quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communications with the second device.

40. A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by one or more processors to:

receive a state change request for one or more second sets of antenna elements of a second device, wherein the state change request indicates that a first device initiated a first adjustment of one or more operations for one or more first sets of antenna elements of the first device;

perform a second adjustment for the one or more second sets of antenna elements of the second device, the second adjustment based at least in part on the state change request;

transmit, in response to the state change request and based at least in part on the second adjustment for the one or more second sets of antenna elements, a response message that indicates the second adjustment for the one or more second sets of antenna elements of the second device; and

communicate based at least in part on the response message and the second adjustment for the one or more second sets of antenna elements of the second device.

41. The non-transitory computer-readable medium of claim 40 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise an increased or decreased number of first antenna elements of the one or more first sets of antenna elements of the first device to be used for communicating with the second device.

42. The non-transitory computer-readable medium of claim 40 , wherein the one or more operations for the one or more first sets of antenna elements of the first device comprise a changed quasi co-location (QCL) configuration associated with the one or more first sets of antenna elements of the first device for communicating with the second device.

Assignments (1)

Continuity (2)

References Cited (215)