Granted Patent B2

US 12,317,210 · App. 18/047,090 · Granted May 27, 2025

Inventors: Junyi Li (Fairless Hills, PA); Juergen Cezanne (Ocean Township, NJ); Vasanthan Raghavan (West Windsor Township, NJ)

Assignee: QUALCOMM Incorporated

H04W56/003H04W24/08H04W56/001H04W76/27

Abstract

Claims (129)

1. An apparatus for communications 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:

determine a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

select, for adjustment of a monitoring periodicity, a shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate, wherein the monitoring periodicity corresponds to a periodicity to monitor measurement signals associated with the second device; and

start a timer upon adjustment of the monitoring periodicity to correspond to the shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

monitor for one or more measurement signals over the communication link in accordance with the shorter monitoring periodicity, as selected, based at least in part on the timer being started.

2. The apparatus of claim 1 , wherein the one or more processors are further configured to cause the first device to:

determine the error rate of the communication link between the first device and the second device.

3. The apparatus of claim 1 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity, wherein the one or more processors are further configured to cause the first device to:

select the monitoring periodicity to correspond to the actual transmission periodicity;

determine that the error rate of the communication link between the first device and the second device exceeds the threshold error rate; and

adjust the monitoring periodicity to correspond to the at least one virtual transmission periodicity based at least in part on the error rate being in excess of the threshold error rate, the at least one virtual transmission periodicity being shorter than the actual transmission periodicity.

4. The apparatus of claim 3 , wherein the one or more processors are further configured to cause the first device to:

determine that the timer has expired; and

monitor for the one or more measurement signals from one or more other devices based at least in part on expiration of the timer.

5. The apparatus of claim 3 , wherein the one or more processors are further configured to cause the first device to:

determine that the error rate decreases below a second threshold error rate; and

adjust the monitoring periodicity to correspond to the actual transmission periodicity based at least in part on the error rate being below the second threshold error rate.

6. The apparatus of claim 1 , wherein the one or more processors are further configured to cause the first device to:

determine that the communication link has failed based at least in part on the threshold error rate;

establish a connection with one or more other devices based at least in part on the failed communication link; and

receive the one or more measurement signals from the one or more other devices.

7. The apparatus of claim 1 , wherein the one or more processors are further configured to cause the first device to:

receive an indication that the one or more measurement signals are in accordance with the at least one second transmission periodicity; and

select the monitoring periodicity to correspond to the at least one second transmission periodicity based at least in part on the indication.

8. The apparatus of claim 1 , wherein the one or more processors are further configured to cause the first device to:

select the monitoring periodicity to correspond to the at least one second transmission periodicity based at least in part on the threshold error rate; and

transmit an indication that the monitoring periodicity corresponds to the at least one second transmission periodicity.

9. The apparatus of claim 1 , wherein the one or more processors are further configured to cause the first device to:

operate in a first monitoring mode associated with the first transmission periodicity; and

operate in a second monitoring mode associated with the at least one second transmission periodicity.

10. The apparatus of claim 1 , wherein, to determine the configuration of the first transmission periodicity and the at least one second transmission periodicity, the one or more processors are further configured to cause the first device to:

receive an indication of the configuration via radio resource control signaling.

11. The apparatus of claim 1 , wherein:

the one or more measurement signals comprise synchronization signal blocks.

12. The apparatus of claim 1 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

13. An apparatus for communications 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:

determine a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

select, for adjustment of a transmission periodicity, a shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate;

start a timer upon selection of the transmission periodicity to correspond to the shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

transmit, in accordance with the shorter transmission periodicity, as selected, one or more measurement signals over the communication link between the first device and the second device based at least in part on starting the timer.

14. The apparatus of claim 13 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity, wherein the one or more processors are further configured to cause the first device to:

select the transmission periodicity to correspond to the actual transmission periodicity;

determine that the error rate of the communication link between the first device and the second device exceeds the threshold error rate; and

adjust the transmission periodicity to correspond to the at least one virtual transmission periodicity based at least in part on the error rate being in excess of the threshold error rate, the at least one virtual transmission periodicity being shorter than the actual transmission periodicity.

15. The apparatus of claim 14 , wherein the one or more processors are further configured to cause the first device to:

determine that the timer has expired; and

transmit, to one or more other devices, an indication that the one or more measurement signals are in accordance with the at least one virtual transmission periodicity.

16. The apparatus of claim 14 , wherein the one or more processors are further configured to cause the first device to:

determine that the error rate decreases below a second threshold error rate; and

adjust the transmission periodicity to correspond to the actual transmission periodicity based at least in part on the error rate being below the second threshold error rate.

17. The apparatus of claim 13 , wherein the one or more processors are further configured to cause the first device to:

transmit, to one or more other devices, an indication that the one or more measurement signals are in accordance with the at least one second transmission periodicity based at least in part on the threshold error rate.

18. The apparatus of claim 13 , wherein the one or more processors are further configured to cause the first device to:

transmit, to one or more other devices, symbol time information for the one or more measurement signals.

19. The apparatus of claim 13 , wherein the one or more processors are further configured to cause the first device to:

select the transmission periodicity to correspond to the at least one second transmission periodicity based at least in part on the threshold error rate; and

transmit, to the second device, an indication that the transmission periodicity corresponds to the at least one second transmission periodicity.

20. The apparatus of claim 13 , wherein the one or more processors are further configured to cause the first device to:

receive an indication that the second device is monitoring for the one or more measurement signals in accordance with the at least one second transmission periodicity; and

select the transmission periodicity to correspond to the at least one second transmission periodicity based at least in part on the indication.

21. The apparatus of claim 13 , wherein the one or more processors are further configured to cause the first device to:

operate in a first transmission mode associated with the first transmission periodicity; and

operate in a second transmission mode associated with the at least one second transmission periodicity.

22. The apparatus of claim 13 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

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

determining a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

selecting, for adjustment of a monitoring periodicity, a shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate, wherein the monitoring periodicity corresponds to a periodicity to monitor measurement signals associated with the second device;

starting a timer upon adjustment of the monitoring periodicity to correspond to the shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

monitoring for one or more measurement signals over the communication link in accordance with the shorter monitoring periodicity, as selected, based at least in part on starting the timer.

24. The method of claim 23 , further comprising:

determining the error rate of the communication link between the first device and the second device.

25. The method of claim 23 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

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

determining a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

selecting, for adjustment of a transmission periodicity, a shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate;

starting a timer upon selection of the transmission periodicity to correspond to the shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

transmitting, in accordance with the shorter transmission periodicity, as selected, one or more measurement signals over the communication link between the first device and the second device based at least in part on starting the timer.

27. The method of claim 26 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

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

determine a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

select, for adjustment of a monitoring periodicity, a shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate, wherein the monitoring periodicity corresponds to a periodicity to monitor measurement signals associated with the second device;

start a timer upon adjustment of the monitoring periodicity to correspond to the shorter monitoring periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

monitor for one or more measurement signals over the communication link in accordance with the shorter monitoring periodicity, as selected, based at least in part on starting the timer.

29. The non-transitory computer-readable medium of claim 28 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity, the code comprising instructions further executable by the one or more processors to cause the first device to:

select the monitoring periodicity to correspond to the actual transmission periodicity;

determine that the error rate of the communication link between the first device and the second device exceeds the threshold error rate; and

adjust the monitoring periodicity to correspond to the at least one virtual transmission periodicity based at least in part on the error rate being in excess of the threshold error rate, the at least one virtual transmission periodicity being shorter than the actual transmission periodicity.

30. The non-transitory computer-readable medium of claim 29 , the code comprising instructions further executable by the one or more processors to cause the first device to:

determine that the error rate decreases below a second threshold error rate; and

adjust the monitoring periodicity to correspond to the actual transmission periodicity based at least in part on the error rate being below the second threshold error rate.

31. The non-transitory computer-readable medium of claim 28 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

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

determine a configuration of a first transmission periodicity and at least one second transmission periodicity associated with a second device, the first transmission periodicity comprising a first period of time between one or more first instances of a measurement signal and the at least one second transmission periodicity comprising a second period of time between one or more second instances of the measurement signal;

select, for adjustment of a transmission periodicity, a shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity, the selection based at least in part on an error rate of a communication link between the first device and the second device being in excess of a threshold error rate;

start a timer upon selection of the transmission periodicity to correspond to the shorter transmission periodicity of the first transmission periodicity or the at least one second transmission periodicity; and

transmit, in accordance with the shorter transmission periodicity, as selected, one or more measurement signals over the communication link between the first device and the second device based at least in part on starting the timer.

33. The non-transitory computer-readable medium of claim 32 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity, the code comprising instructions further executable by the one or more processors to cause the first device to:

select the transmission periodicity to correspond to the actual transmission periodicity;

determine that the error rate of the communication link between the first device and the second device exceeds the threshold error rate; and

adjust the transmission periodicity to correspond to the at least one virtual transmission periodicity based at least in part on the error rate being in excess of the threshold error rate, the at least one virtual transmission periodicity being shorter than the actual transmission periodicity.

34. The non-transitory computer-readable medium of claim 33 , the code comprising instructions further executable by the one or more processors to cause the first device to:

determine that the error rate decreases below a second threshold error rate; and

adjust the transmission periodicity to correspond to the actual transmission periodicity based at least in part on the error rate being below the second threshold error rate.

35. The non-transitory computer-readable medium of claim 32 , wherein the first transmission periodicity is an actual transmission periodicity and the at least one second transmission periodicity is at least one virtual transmission periodicity.

36. An apparatus for communications 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:

determine a configuration of an actual transmission periodicity and at least one virtual transmission periodicity associated with a second device;

determine a link condition of a communication link between the first device and the second device;

select a monitoring periodicity corresponding to the actual transmission periodicity or the at least one virtual transmission periodicity based at least in part on one or more parameters, wherein the one or more parameters includes the link condition, and wherein the monitoring periodicity corresponds to the at least one virtual transmission periodicity based on a determination that the link condition has decreased below a threshold, wherein the at least one virtual transmission periodicity is shorter than the actual transmission periodicity; and

monitor for one or more measurement signals over the communication link in accordance with the shorter monitoring periodicity, as selected.

37. The apparatus of claim 36 , wherein the link condition comprises an error rate for information transmitted over the communication link, and wherein the determination that the link condition has decreased to below the threshold comprises a determination that the error rate has increased to satisfy a second threshold.

38. The apparatus of claim 36 , wherein the one or more processors are further configured to cause the first device to:

determine that the link condition has increased to satisfy the threshold; and

adjust the monitoring periodicity to correspond to the actual transmission periodicity based at least in part on the determination that the link condition has increased to satisfy the threshold.

39. An apparatus for communications 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:

determine a configuration of an actual transmission periodicity and at least one virtual transmission periodicity;

select a transmission periodicity corresponding to the actual transmission periodicity or the at least one virtual transmission periodicity based at least in part on one or more parameters, wherein the one or more parameters comprise a link condition of a communication link between the first device and a second device, and wherein the transmission periodicity corresponds to the at least one virtual transmission periodicity based on a determination that the link condition has decreased below a threshold, wherein the at least one virtual transmission periodicity is shorter than the actual transmission periodicity; and

transmit one or more measurement signals to the second device over the communication link in accordance with the shorter transmission periodicity, as selected.

40. The apparatus of claim 39 , wherein the link condition comprises an error rate for information transmitted over the communication link, and wherein the determination that the link condition has decreased to below the threshold comprises a determination that the error rate has increased to satisfy a second threshold.

41. The apparatus of claim 39 , wherein the one or more processors are further configured to cause the first device to:

determine that the link condition has increased to satisfy the threshold; and

adjust the transmission periodicity to correspond to the actual transmission periodicity based at least in part on the determination that the link condition has increased to satisfy the threshold.

Assignments (1)

Continuity (3)

References Cited (198)