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1. WO2016106234 - MOBILITÉ ET ÉTAT DE CANAL À BASE DE CONSERVATION D'ÉNERGIE

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CLAIMS

WHAT IS CLAIMED IS:

1. A method of controlling power consumption of a user equipment (UE), comprising:

determining a level of mobility of a user equipment (UE) based at least in part on a Doppler frequency spread of received communications;

disabling a motion sensor when the level of mobility is above a first threshold; and

controlling communications of the UE based at least in part on the motion sensor and channel conditions experienced by the UE when the level of mobility is below the first threshold.

2. The method of claim 1, further comprising controlling communications of the UE based only on the channel conditions experienced by the UE when the level of mobility is above the first threshold.

3. The method of claim 1, in which controlling communications comprises altering a periodicity of one of a neighbor search and neighbor measurement.

4. The method of claim 1, in which controlling communications comprises preventing one of cell reselection and handover.

5. The method of claim 1, in which controlling communications comprises stopping one of neighbor search, neighbor measurement, cell reselection and handover when the motion sensor and the level of mobility indicates the UE is stationary and the channel conditions are above a second threshold.

6. The method of claim 1, in which controlling communications comprises increasing use of the motion sensor when the level of mobility of the UE is low, and decreasing motion detection by the motion sensor when the level of mobility of the UE is high.

7. An apparatus for controlling power consumption of a user equipment (UE), comprising:

means for determining a level of mobility of a user equipment (UE) based at least in part on a Doppler frequency spread of received communications;

means for disabling a motion sensor when the level of mobility is above a first threshold; and

means for controlling communications of the UE based at least in part on the motion sensor and channel conditions experienced by the UE when the level of mobility is below the first threshold.

8. The apparatus of claim 7, further comprising means for controlling

communications of the UE based only on the channel conditions experienced by the UE when the level of mobility is above the first threshold.

9. The apparatus of claim 7, in which the communications controlling means further comprises means for altering a periodicity of one of a neighbor search and neighbor measurement.

10. The apparatus of claim 7, in which the communications controlling means further comprises means for preventing one of cell reselection and handover.

11. The apparatus of claim 7, in which the communications controlling means further comprises means for stopping one of neighbor search, neighbor measurement, cell reselection and handover when the motion sensor and the level of mobility indicates the UE is stationary and the channel conditions are above a second threshold.

12. The apparatus of claim 7, in which the communications controlling means further comprises means for increasing use of the motion sensor when the level of mobility of the UE is low, and means for decreasing motion detection by the motion sensor when the level of mobility of the UE is high.

13. An apparatus for controlling power consumption of a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured:

to determine a level of mobility of a user equipment (UE) based at least in part on a Doppler frequency spread of received communications;

to disable a motion sensor when the level of mobility is above a first threshold; and

to control communications of the UE based at least in part on the motion sensor and channel conditions experienced by the UE when the level of mobility is below the first threshold.

14. The apparatus of claim 13, in which the at least one processor is further configured to control communications of the UE based only on the channel conditions experienced by the UE when the level of mobility is above the first threshold.

15. The apparatus of claim 13, in which the at least one processor is further configured to control communications by altering a periodicity of one of a neighbor search and neighbor measurement.

16. The apparatus of claim 13, in which the at least one processor is further configured to control communications by preventing one of cell reselection and handover.

17. The apparatus of claim 13, in which the at least one processor is further configured to control communications by stopping one of neighbor search, neighbor measurement, cell reselection and handover when the motion sensor and the level of mobility indicates the UE is stationary and the channel conditions are above a second threshold.

18. The apparatus of claim 13, in which the at least one processor is further configured to control communications by increasing use of the motion sensor when the level of mobility of the UE is low, and by decreasing motion detection by the motion sensor when the level of mobility of the UE is high.

19. A non-transitory computer-readable medium having program code recorded thereon, the program code comprising:

program code to determine a level of mobility of a user equipment (UE) based at least in part on a Doppler frequency spread of received communications;

program code to disable a motion sensor when the level of mobility is above a first threshold; and

program code to control communications of the UE based at least in part on the motion sensor and channel conditions experienced by the UE when the level of mobility is below the first threshold.

20. The non-transitory computer-readable medium of claim 19, further comprising program code to control communications of the UE based only on the channel conditions experienced by the UE when the level of mobility is above the first threshold.

21. The non-transitory computer-readable medium of claim 19, in which the program code to control communications further comprises program code to alter a periodicity of one of a neighbor search and neighbor measurement.

22. The non-transitory computer-readable medium of claim 19, in which the program code to control communications further comprises program code to prevent one of cell reselection and handover.

23. The non-transitory computer-readable medium of claim 19, in which the program code to control communications further comprises program code to stop one of neighbor search, neighbor measurement, cell reselection and handover when the motion sensor and the level of mobility indicates the UE is stationary and the channel conditions are above a second threshold.

24. The non-transitory computer-readable medium of claim 19, in which the program code to control communications further comprises program code to increase use of the motion sensor when the level of mobility of the UE is low, and decrease motion detection by the motion sensor when the level of mobility of the UE is high.