POWER EFFICIENT LOCATION NOTIFICATION

• US 20140013136A1
• Filed: 07/06/2012
• Published: 01/09/2014
• Est. Priority Date: 07/06/2012
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Dadu, Saurabh, Prakash, Gyan, Gurumoorthy, Nagasubramanian
• Granted Patent: US 9,078,766 B2
• Time in Patent Office: Days
• US Class Current: 713/323
• CPC Class Codes: A61B 17/025 Joint distractors
• CPC Class Codes: A61B 2017/00261 Discectomy
• CPC Class Codes: A61B 2017/0256 for the spine
• CPC Class Codes: A61F 2/4455 for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages intervertebral discs A61F2/442
• CPC Class Codes: A61F 2002/30579 with mechanically expandable devices, e.g. fixation devices
• CPC Class Codes: A61F 2002/30593 hollow
• CPC Class Codes: G06F 1/3206 Monitoring of events, devices or parameters that trigger a change in power modality
• CPC Class Codes: G06F 1/3209 Monitoring remote activity, e.g. over telephone lines or network connections
• CPC Class Codes: H04M 1/72454 according to context-related or environment-related conditions
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 4/50 Service provisioning or reconfiguring
• CPC Class Codes: H04W 48/04 based on user or terminal location or mobility data, e.g. moving direction, speed
• CPC Class Codes: H04W 52/0254 detecting a user operation or a tactile contact or a motion of the device
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Before a device enters a power saving mode, a location-aware application in the device may provide at least one wake trigger (and a trigger limit) to a low power monitoring module (LPMM). In power saving mode, the LPMM receives device locations from a location service module and may determine when the device location corresponds to the at least one wake trigger or trigger limit. In one embodiment, device location may only be provided to the LPMM based on a condition (e.g., timer expiration or reaching a displacement threshold as measured by sensors in the device). When device location corresponds to the trigger limit, the LPMM may notify the device (e.g., cause a transition to an active power mode) so that the location-aware application can redetermine the at least one wake trigger. The device location corresponding to the at least wake trigger may also cause the LPMM to notify the device.

Claims

1. A device, comprising:

a host configured to operate in at least an active mode and a power saving mode;

a location services module configured to determine device location; and

a low power monitoring module configured to receive at least one wake trigger from the host, to receive the device location from the locations services module, and to cause the host to enter the active mode from the power saving mode when the low power monitoring module determines that the device location corresponds to the at least one wake trigger.

2. The device of claim 1, wherein the host is further configured to enter the power saving mode after providing the at least one wake trigger to the low power monitoring module.

3. The device of claim 1, wherein the host is further configured to provide a trigger limit to the low power monitoring module, the low power monitoring module further being configured to cause the host to enter the active mode from the power saving mode and to redetermine the at least one wake trigger when the low power monitoring module determines that the device location corresponds to the trigger limit.

4. The device of claim 1, wherein the host is further configured to execute at least one location-aware application when in the active mode, the at least one location-aware application being configured to provide the at least one wake trigger to the low power monitoring module.

5. The device of claim 4, wherein the at least one location-aware application is further configured to provide the device location to remote resources to determine the at least one wake trigger.

6. The device of claim 1, wherein the low power monitoring module is further configured to receive the device location based on the expiration of a location monitoring timer.

7. The device of claim 1, wherein the location services module is configured to determine device location based on at least one of a satellite-based positioning system or wireless network interaction.

8. The device of claim 7, wherein the location services module is further configured to sense device displacement based on at least one of orientation, motion or acceleration sensors.

9. The device of claim 8, wherein the low power monitoring module is further configured to receive the device displacement and to only receive the device location when the low power monitoring module determines that device displacement corresponds to a threshold distance.

10. The device of claim 1, wherein the low power monitoring module includes a microcontroller and firmware integrated in a discrete integrated circuit (IC) or a system-on-a-chip (SOC).

11. A method, comprising:

receiving at least one wake trigger from a host in a device;

receiving a device location from a location services module in the device; and

causing the host to transition from a low power mode to an active mode based on determining that the device location corresponds to the at least one wake trigger.

12. The method of claim 11, wherein the at least one wake trigger is received from at least one location aware application executing in the host when the host is in the active mode.

13. The method of claim 12, wherein the at least one wake trigger corresponds to a location of interest, the location of interest being identified by the at least one location aware application.

14. The method of claim 12, wherein the at least one wake trigger corresponds to a location of an item desired by the user of the device, the location of the item being determined based on information from a remote resource accessed by the at least one location aware application.

15. The method of claim 11, further comprising:

receiving a trigger limit from the host in the device; and

causing the host to transition from a low power mode to an active mode and to redetermine the at least one wake trigger based on determining that the device location corresponds to the trigger limit.

16. The method of claim 11, wherein the device location is received based on the expiration of a location monitoring timer.

17. The method of claim 11, wherein the device location is based on at least one of a satellite-based positioning system or wireless network interaction.

18. The method of claim 17, further comprising:

receiving a device displacement from the location services module in the device;

determining whether the device displacement corresponds to a threshold distance; and

receiving the device location if the device displacement corresponds to the threshold distance.

19. The method of claim 18, wherein device displacement is based on at least one of orientation, motion or acceleration sensors in the device.

20. A system comprising at least one machine-readable storage medium having stored thereon, individually or in combination, instructions that when executed by one or more processors result in the following operations comprising:

receiving at least one wake trigger from a host in a device;

receiving a device location from a location services module in the device; and

causing the host to transition from a low power mode to an active mode based on determining that the device location corresponds to the at least one wake trigger.

21. The system of claim 20, wherein the at least one wake trigger is received from at least one location aware application executing in the host when the host is in the active mode.

22. The system of claim 21, wherein the at least one wake trigger corresponds to a location of interest, the location of interest being identified by the at least one location aware application.

23. The system of claim 21, wherein the at least one wake trigger corresponds to a location of an item desired by the user of the device, the location of the item being determined based on information from a remote resource accessed by the at least one location aware application.

24. The system of claim 20, further comprising instructions that when executed by one or more processors result in the following operations comprising:

receiving a trigger limit from the host in the device; and

causing the host to transition from a low power mode to an active mode and to redetermine the at least one wake trigger based on determining that the device location corresponds to the trigger limit.

25. The system of claim 20, wherein the device location is received based on the expiration of a location monitoring timer.

26. The system of claim 20, wherein the device location is based on at least one of a satellite-based positioning system or wireless network interaction.

27. The system of claim 26, further comprising instructions that when executed by one or more processors result in the following operations comprising:

receiving a device displacement from the location services module in the device;

determining whether the device displacement corresponds to a threshold distance; and

receiving the device location if the device displacement corresponds to the threshold distance.

28. The system of claim 27, wherein device displacement is based on at least one of orientation, motion or acceleration sensors in the device.