Methods and apparatuses for requesting/providing code phase related information associated with various satellite positioning systems in wireless communication networks

• US 8,618,980 B2
• Filed: 06/29/2012
• Issued: 12/31/2013
• Est. Priority Date: 06/13/2008
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Farmer, Dominic Gerard, Lin, Ie-Hong, Edge, Stephen W., Fischer, Sven
• Primary Examiner(s): Phan, Dao
• Application Number:
  US13/538,205
• Publication Number:
  US 20120264453A1
• Time in Patent Office: 550 Days
• Field of Search: 342/357.4, 342/357.46, 342/357.52, 342/357.69, 701/468, 701/412, 701/470
• US Class Current: 342/357.69
• CPC Class Codes: G01S 19/05 providing aiding data
• CPC Class Codes: G01S 19/256 relating to timing, e.g. time of week, code phase, timing offset

Abstract

Methods and apparatuses are provided that may be used by one or more devices within in wireless communication network to request and/or provide code phase related information signals associated with various Satellite Positioning Systems (SPSs).

Claims

1. A method for use in a wireless communication network, the method comprising:

receiving at least one message comprising signals representing a plurality of encoded code phase values associated with one or more satellite positioning system(s) (SPS(s)) and identifying a code phase origin reference value; and

establishing a plurality of code phase values corresponding to said plurality of encoded code phase values based, at least in part, on said plurality of encoded code phase values and said code phase origin reference value.

2. The method as recited in claim 1, wherein said at least one message comprises signals identifying a reference time value, and wherein establishing said plurality of code phase values comprises establishing said plurality of code phase values based, at least in part, on said plurality of encoded code phase values, said code phase origin reference value, and said reference time value.

3. The method as recited in claim 1, wherein each of said plurality of code phase values is established by subtracting said code phase origin reference value and a corresponding one of said plurality of encoded code phase values from a reference time value.

4. The method as recited in claim 3, wherein said reference time value comprises a local time value.

5. The method as recited in claim 1, wherein said at least one message comprises acquisition assistance information signals sent by a location server to a mobile station.

6. The method as recited in claim 1, wherein said at least one message comprises pseudorange measurement information signals sent by a mobile station to a location server.

7. The method as recited in claim 1, wherein said at least one message comprises at least one Position Determination Data Message (PDDM).

8. The method as recited in claim 1, wherein said at least one SPS comprises at least one Global Navigation Satellite System (GNSS) and said at least one message comprises signals identifying said at least one GNSS and at least one GNSS resource associated with at least one of said plurality of encoded code phase values.

9. The method as recited in claim 8, wherein said GNSS resource comprises at least one of a GPS resource, an SBAS resource, a QZSS resource, a GLONASS resource, a Galileo resource, and/or a Compass/BeiDou resource.

10. The method as recited in claim 8, wherein said GNSS resource is associated with at least one of a GNSS signal, a GNSS signal band, and/or a space vehicle (SV).

11. A specific apparatus for use in a wireless communication network, the specific apparatus comprising:

means for receiving at least one message comprising signals representing a plurality of encoded code phase values associated with one or more satellite positioning system(s) (SPS(s)) and identifying a code phase origin reference value; and

means for establishing a plurality of code phase values corresponding to said plurality of encoded code phase values based, at least in part, on said plurality of encoded code phase values and said code phase origin reference value.

12. The specific apparatus as recited in claim 11, wherein said at least one message comprises signals identifying a reference time value, and wherein said means for establishing said plurality of code phase values comprises means for establishing said plurality of code phase values based, at least in part, on said plurality of encoded code phase values, said code phase origin reference value, and said reference time value.

13. The specific apparatus as recited in claim 11, wherein each of said plurality of code phase values is established by subtracting said code phase origin reference value and a corresponding one of said plurality of encoded code phase values from a reference time value.

14. The specific apparatus as recited in claim 13, wherein said reference time value comprises a local time value.

15. The specific apparatus as recited in claim 11, wherein said at least one message comprises acquisition assistance information signals sent by a location server to a mobile station.

16. The specific apparatus as recited in claim 11, wherein said at least one message comprises pseudorange measurement information signals sent by a mobile station to a location server.

17. The specific apparatus as recited in claim 11, wherein said at least one message comprises at least one Position Determination Data Message (PDDM).

18. The specific apparatus as recited in claim 11, wherein said at least one SPS comprises at least one Global Navigation Satellite System (GNSS) and said at least one message comprises signals identifying said at least one GNSS and at least one GNSS resource associated with said at least one of said plurality of encoded code phase values.

19. The specific apparatus as recited in claim 18, wherein said GNSS resource comprises at least one of a GPS resource, an SBAS resource, a QZSS resource, a GLONASS resource, a Galileo resource, and/or a Compass/BeiDou resource.

20. The specific apparatus as recited in claim 18, wherein said GNSS resource is associated with at least one of a GNSS signal, a GNSS signal band, and/or a space vehicle (SV).

21. A specific apparatus for use in a wireless communication network, the specific apparatus comprising:

a receiver operatively enabled to receive at least one message comprising signals representing a plurality of encoded code phase values associated with one or more satellite positioning system(s) (SPS(s)) and identifying a code phase origin reference value; and

a signal processor operatively enabled to establish a plurality of code phase values corresponding to said plurality of encoded code phase values based, at least in part, on said plurality of encoded code phase values and said code phase origin reference value.

22. The specific apparatus as recited in claim 21, wherein said at least one message comprises signals identifying a reference time value, and wherein said signal processor is operatively enabled to establish said plurality of code phase values based, at least in part, on said plurality of encoded code phase values, said code phase origin reference value, and said reference time value.

23. The specific apparatus as recited in claim 21, wherein each of said plurality of code phase values is established by subtracting said code phase origin reference value and a corresponding one of said plurality of encoded code phase values from a reference time value.

24. The specific apparatus as recited in claim 23, wherein said reference time value comprises a local time value.

25. The specific apparatus as recited in claim 21, wherein said specific apparatus comprises a mobile station and said at least one message comprises acquisition assistance information signals sent by a location server.

26. The specific apparatus as recited in claim 21, wherein said specific apparatus comprises a location server and said at least one message comprises pseudorange measurement information signals sent by a mobile station.

27. The specific apparatus as recited in claim 21, wherein said at least one message comprises at least one Position Determination Data Message (PDDM).

28. The specific apparatus as recited in claim 21, wherein said at least one SPS comprises at least one Global Navigation Satellite System (GNSS) and said at least one message comprises signals identifying said at least one GNSS and at least one GNSS resource associated with at least one of said plurality of encoded code phase values.

29. The specific apparatus as recited in claim 28, wherein said GNSS resource comprises at least one of a GPS resource, an SBAS resource, a QZSS resource, a GLONASS resource, a Galileo resource, and/or a Compass/BeiDou resource.

30. The specific apparatus as recited in claim 28, wherein said GNSS resource is associated with at least one of a GNSS signal, a GNSS signal band, and/or a space vehicle (SV).

31. An article comprising:

a non-transitory computer readable medium having computer implementable instructions stored thereon which if implemented by one or more processing units in a specific apparatus operatively enable the specific apparatus to;

access at least one message comprising signals representing a plurality of encoded code phase values associated with one or more satellite positioning system(s) (SPS(s)) and identifying a code phase origin reference value; and

establish a plurality of code phase values corresponding to said plurality of encoded code phase values based, at least in part, on said plurality of encoded code phase values and said code phase origin reference value.

32. The article as recited in claim 31, wherein said at least one message comprises signals identifying a reference time value, and further comprising computer implementable instructions which if implemented by the one or more processing units operatively enable the specific apparatus to establish said plurality of code phase values based, at least in part, on said plurality of encoded code phase values, said code phase origin reference value, and said reference time value.

33. The article as recited in claim 31, wherein each of said plurality of code phase values is established by subtracting said code phase origin reference value and a corresponding one of said plurality of encoded code phase values from a reference time value.

34. The article as recited in claim 33, wherein said reference time value comprises a local time value.

35. The article as recited in claim 31, wherein said specific apparatus comprises a mobile station and said at least one message comprises acquisition assistance information signals sent by a location server.

36. The article as recited in claim 31, wherein said specific apparatus comprises a location server and said at least one message comprises pseudorange measurement information signals sent by a mobile station.

37. The article as recited in claim 31, wherein said at least one message comprises at least one Position Determination Data Message (PDDM).

38. The article as recited in claim 31, wherein said at least one SPS comprises at least one Global Navigation Satellite System (GNSS) and said at least one message comprises signals identifying said at least one GNSS and at least one GNSS resource associated with at least one of said plurality of encoded code phase values.

39. The article as recited in claim 38, wherein said GNSS resource comprises at least one of a GPS resource, an SBAS resource, a QZSS resource, a GLONASS resource, a Galileo resource, and/or a Compass/BeiDou resource.

40. The article as recited in claim 38, wherein said GNSS resource is associated with at least one of a GNSS signal, a GNSS signal band, and/or a space vehicle (SV).