PREDICTIVE SCHEDULING OF NAVIGATION TASKS

• US 20140107919A1
• Filed: 10/16/2012
• Published: 04/17/2014
• Est. Priority Date: 10/16/2012
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: VENKATRAMAN, Sai Pradeep, GARIN, Lionel Jacques, ZHANG, Gengsheng
• Granted Patent: US 9,014,974 B2
• Time in Patent Office: Days
• US Class Current: 701/466
• CPC Class Codes: G01C 21/20 Instruments for performing navigational calculations G01C21/24, G01C21/26 take precedence
• CPC Class Codes: G01C 21/206 specially adapted for indoor navigation
• CPC Class Codes: G01C 21/3889 Transmission of selected map data, e.g. depending on route
• CPC Class Codes: G01C 21/3896 Transmission of map data from central databases
• CPC Class Codes: G01S 19/26 involving a sensor measurement for aiding acquisition or tracking
• CPC Class Codes: G01S 19/31 Acquisition or tracking of other signals for positioning
• CPC Class Codes: G01S 19/42 Determining position
• CPC Class Codes: G01S 19/45 by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
• CPC Class Codes: G01S 19/48 by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
• CPC Class Codes: G01S 5/012 Identifying whether indoors or outdoors
• CPC Class Codes: G01S 5/015 between indoor and outdoor environments
• CPC Class Codes: G01S 5/0263 by combining or switching between positions derived from two or more separate positioning systems
• CPC Class Codes: G01S 5/0264 at least one of the systems being a non-radio wave positioning system

Abstract

Disclosed are systems, apparatus, devices, methods, computer program products, and other implementations, including a method of controlling navigation tasks on a mobile device that includes obtaining data representative of a route of travel for the mobile device, obtaining a list of navigation tasks associated with the route of travel for the mobile device, and performing one or more navigation tasks in accordance with the list of navigation tasks based, at least in part, on proximity of the mobile device to one or more points on the route of travel. Performing the one or more navigation tasks includes one or more of, for example, obtaining satellite positioning assistance data in response to a determination that the mobile device is transitioning from an indoor area to an outdoor area, and/or establishing a communication link with an access point.

Claims

1. A method of controlling navigation tasks on a mobile device, the method comprising:

obtaining data representative of a route of travel for the mobile device;

obtaining a list of navigation tasks associated with the route of travel for the mobile device; and

performing one or more navigation tasks in accordance with the list of navigation tasks based, at least in part, on proximity of the mobile device to one or more points on the route of travel, wherein performing the one or more navigation tasks includes one or more of;

obtaining satellite positioning assistance data in response to a determination that the mobile device is transitioning from an indoor area to an outdoor area, or establishing a communication link with an access point.

2. The method of claim 1, wherein the mobile device comprises a plurality of units and configured to operate in multiple positioning modes, and wherein the list of navigation tasks includes control data to control activation of at least one of the plurality of units during travel of the mobile device along the route of travel.

3. The method of claim 2, wherein the plurality of units comprises one or more of:

a pressure sensor, an accelerometer, a magnetometer, a gyroscope, an indoor positioning receiver, a global navigation satellite system (GNSS) receiver, or a communication transceiver.

4. The method of claim 2, wherein performing the one or more navigation tasks comprises:

controlling activation of the at least one of the plurality of units based, at least in part, on the list of navigation tasks.

5. The method of claim 2, wherein controlling the activation of the at least one of the plurality of units comprises causing one of:

enabling the at least one of the plurality of units;

disabling the at least one of the plurality of units;

or

preventing the activation of the at least one of the plurality of units.

6. The method of claim 1, further comprising:

obtaining a revised list of navigation tasks in response to a determination that the mobile device is in a non-predicted location that deviates from the route of travel for the mobile device.

7. The method of claim 1, further comprising:

activating one or more units of the mobile device in response to a determination that the mobile device is in a non-predicted location that deviates from the route of travel for the mobile device.

8. The method of claim 7, wherein activating the one or more units of the mobile device comprises:

activating one or more inactive transceivers of the mobile device.

9. The method of claim 1, further comprising:

determining location of the mobile device based, at least in part, on location information determined based on measurements performed by the mobile device.

10. The method of claim 1, wherein performing the one or more navigation tasks comprises:

performing the one or more navigation tasks at one or more of;

various points of the route of travel, or various points of time during travel of the mobile device along the route of travel.

11. The method of claim 1, wherein performing the one or more navigation tasks comprises:

controlling activation of at least one of positioning modes of the mobile device based, at least in part, on determined location of the mobile device.

12. The method of claim 1, wherein performing the one or more navigation tasks comprises:

performing initialization of at least one unit of the mobile device;

calibrating the at least one unit of the mobile device; and

activating the at least one unit of the mobile device.

13. The method of claim 1, wherein performing the one or more navigation tasks comprises:

requesting assistance data in response to a determination that the mobile device is located proximate to a point on the route of travel preceding another point on the route of travel corresponding to an area associated with the requested assistance data; and

receiving the requested assistance data.

14. The method of claim 1, wherein obtaining the satellite positioning assistance data comprises:

determining satellite availability data based on determined location of the mobile device, and determining a subset of satellites based on the determined satellite availability data.

15. The method of claim 14, further comprising:

determining that the mobile device is transitioning from the indoor area to the outdoor area based, at least in part, on one or more of;

the list of navigation tasks, the determined location of the mobile device, or current time.

16. The method of claim 1, wherein obtaining the list of navigation tasks comprises:

generating at least part of the list of navigation tasks at one or more of;

the mobile device, or a remote server in communication with the mobile device.

17. A mobile device comprising:

one or more processors; and

storage media comprising computer instructions that, when executed on the one or more processors, cause operations comprising;

obtaining data representative of a route of travel for the mobile device;

obtaining a list of navigation tasks associated with the route of travel for the mobile device; and

performing one or more navigation tasks in accordance with the list of navigation tasks based, at least in part, on proximity of the mobile device to one or more points on the route of travel, wherein performing the one or more navigation tasks includes one or more of;

obtaining satellite positioning assistance data in response to a determination that the mobile device is transitioning from an indoor area to an outdoor area, or establishing a communication link with an access point.

18. The mobile device of claim 17, wherein the mobile device comprises a plurality of units, wherein the mobile device is configured to operate in multiple positioning modes, and wherein the list of navigation tasks includes control data to control activation of at least one of the plurality of units during travel of the mobile device along the route of travel.

19. The mobile device of claim 18, wherein the plurality of units comprises one or more of:

a pressure sensor, an accelerometer, a magnetometer, a gyroscope, an indoor positioning receiver, a global navigation satellite system (GNSS) receiver, or a communication transceiver.

20. The mobile device of claim 17, wherein the storage media further comprises instructions to cause further operations comprising:

activating one or more units of the mobile device in response to a determination that the mobile device is in a non-predicted location that deviates from the route of travel for the mobile device.

21. The mobile device of claim 20, wherein the instructions that cause the operations of activating the one or more units of the mobile device comprise instructions that cause further operations comprising:

activating one or more inactive transceivers of the mobile device.

22. The mobile device of claim 17, wherein the storage media further comprises instructions to cause further operations comprising:

determining location of the mobile device based, at least in part, on location information determined based on measurements performed by the mobile device.

23. The mobile device of claim 17, wherein the instructions that cause the operations of performing the one or more navigation tasks comprise instructions that cause further operations comprising:

performing the one or more navigation tasks at one or more of;

various points of the route of travel, or various points of time during travel of the mobile device along the route of travel.

24. The mobile device of claim 17, wherein the instructions that cause the operations of performing the one or more navigation tasks comprise instructions that cause further operations comprising:

requesting assistance data in response to a determination that the mobile device is located proximate to a point on the route of travel preceding another point on the route of travel corresponding to an area associated with the requested assistance data; and

receiving the requested assistance data.

25. The mobile device of claim 17, wherein the instructions that cause the operations of obtaining the satellite positioning assistance data comprise instructions that cause further operations comprising:

determining satellite availability data based on determined location of the mobile device, and determining a subset of satellites based on the determined satellite availability data.

26. The mobile device of claim 25, wherein the storage media further comprises instructions to cause further operations comprising:

determining that the mobile device is transitioning from the indoor area to the outdoor area based, at least in part, on one or more of;

the list of navigation tasks, the determined location of the mobile device, or current time.

27. The mobile device of claim 17, wherein the instructions that cause the operations of obtaining the list of navigation tasks comprise instructions that cause further operations comprising:

generating at least part of the list of navigation tasks at one or more of;

the mobile device, or a remote server in communication with the mobile device.

28. A communication apparatus comprising:

means for obtaining data representative of a route of travel for a mobile device;

means for obtaining a list of navigation tasks associated with the route of travel for the mobile device; and

means for performing one or more navigation tasks in accordance with the list of navigation tasks based, at least in part, on proximity of the mobile device to one or more points on the route of travel, wherein the means for performing the one or more navigation tasks include one or more of;

means for obtaining satellite positioning assistance data in response to a determination that the mobile device is transitioning from an indoor area to an outdoor area, or means for establishing a communication link with an access point.

29. The apparatus of claim 28, wherein the mobile device comprises a plurality of units, wherein the mobile device is configured to operate in multiple positioning modes, and wherein the list of navigation tasks includes control data to control activation of at least one of the plurality of units during travel of the mobile device along the route of travel.

30. The apparatus of claim 29, wherein the plurality of units comprises one or more of:

a pressure sensor, an accelerometer, a magnetometer, a gyroscope, an indoor positioning receiver, a global navigation satellite system (GNSS) receiver, or a communication transceiver.

31. The apparatus of claim 28, further comprising:

means for activating one or more units of the mobile device in response to a determination that the mobile device is in a non-predicted location that deviates from the route of travel for the mobile device.

32. The apparatus of claim 31, wherein the means for activating comprise:

means for activating one or more inactive transceivers of the mobile device.

33. The apparatus of claim 28, further comprising:

means for determining location of the mobile device based, at least in part, on location information determined based on measurements performed by the mobile device.

34. The apparatus of claim 28, wherein the means for performing the one or more navigation tasks further comprise:

means for performing the one or more navigation tasks at one or more of;

various points of the route of travel, or various points of time during travel of the mobile device along the route of travel.

35. The apparatus of claim 28, wherein the means for performing the one or more navigation tasks further comprise:

means for requesting assistance data in response to a determination that the mobile device is located proximate to a point on the route of travel preceding another point on the route of travel corresponding to an area associated with the requested assistance data; and

means for receiving the requested assistance data.

36. The apparatus of claim 28, wherein the means for obtaining the satellite positioning assistance data comprise:

means for determining satellite availability data based on determined location of the mobile device, and determining a subset of satellites based on the determined satellite availability data.

37. The apparatus of claim 36, further comprising:

means for determining that the mobile device is transitioning from the indoor area to the outdoor area based, at least in part, on one or more of;

the list of navigation tasks, the determined location of the mobile device, or current time.

38. The apparatus of claim 28, wherein the means for obtaining the list of navigation tasks comprise:

means for generating at least part of the list of navigation tasks at one or more of;

the mobile device, or a remote server in communication with the mobile device.

39. A non-transitory processor-readable media programmed with a set of instructions executable on a processor that, when executed, cause operations comprising:

obtaining data representative of a route of travel for a mobile device;

obtaining a list of navigation tasks associated with the route of travel for the mobile device; and

performing one or more navigation tasks in accordance with the list of navigation tasks based, at least in part, on proximity of the mobile device to one or more points on the route of travel, wherein performing the one or more navigation tasks includes one or more of;

obtaining satellite positioning assistance data in response to a determination that the mobile device is transitioning from an indoor area to an outdoor area, or establishing a communication link with an access point.

40. The processor-readable media of claim 39, wherein the mobile device comprises a plurality of units, wherein the mobile device is configured to operate in multiple positioning modes, and wherein the list of navigation tasks includes control data to control activation of at least one of the plurality of units during travel of the mobile device along the route of travel.

41. The processor-readable media of claim 40, wherein the plurality of units comprises one or more of:

a pressure sensor, an accelerometer, a magnetometer, a gyroscope, an indoor positioning receiver, a global navigation satellite system (GNSS) receiver, or a communication transceiver.

42. The processor-readable media of claim 39, further comprising instructions to cause further operations comprising:

activating one or more units of the mobile device in response to a determination that the mobile device is in a non-predicted location that deviates from the route of travel for the mobile device.

43. The processor-readable media of claim 42, wherein activating the one or more units of the mobile device comprises:

activating one or more inactive transceivers of the mobile device.

44. The processor-readable media of claim 39, further comprising instructions to cause further operations comprising:

determining location of the mobile device based, at least in part, on location information determined based on measurements performed by the mobile device.

45. The processor-readable media of claim 39, wherein performing the one or more navigation tasks comprises:

performing the one or more navigation tasks at one or more of;

various points of the route of travel, or various points of time during travel of the mobile device along the route of travel.

46. The processor-readable media of claim 39, wherein performing the one or more navigation tasks comprises:

requesting assistance data in response to a determination that the mobile device is located proximate to a point on the route of travel preceding another point on the route of travel corresponding to an area associated with the requested assistance data; and

receiving the requested assistance data.

47. The processor-readable media of claim 39, wherein obtaining the satellite positioning assistance data comprises:

determining satellite availability data based on determined location of the mobile device, and determining a subset of satellites based on the determined satellite availability data.

48. The processor-readable media of claim 47, further comprising instructions to cause further operations comprising:

determining that the mobile device is transitioning from the indoor area to the outdoor area based, at least in part, on one or more of;

the list of navigation tasks, the determined location of the mobile device, or current time.

49. The processor-readable media of claim 39, wherein obtaining the list of navigation tasks comprises:

generating at least part of the list of navigation tasks at one or more of;

the mobile device, or a remote server in communication with the mobile device.