METHOD AND APPARATUS FOR POSITION MEASURING OF PORTABLE ELECTRONIC DEVICE

• US 20130304376A1
• Filed: 03/21/2013
• Published: 11/14/2013
• Est. Priority Date: 05/09/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: CHUNG, Do-Hyoung, PARK, Jeong-Min
• Granted Patent: US 9,170,109 B2
• Time in Patent Office: Days
• US Class Current: 701/491
• CPC Class Codes: G01S 19/08 providing integrity information, e.g. health of satellites or quality of ephemeris data
• CPC Class Codes: G01S 19/20 Integrity monitoring, fault detection or fault isolation of space segment
• CPC Class Codes: G01S 19/425 by combining or switching between signals derived from different satellite radio beacon positioning systems

Abstract

A method for position measurement of a portable electronic device is provided. The method includes receiving, from a first satellite, first satellite information and state information of the first satellite information, receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory, and using the first satellite information for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is unhealthy and the other state information of the first satellite information received from the server is healthy, wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

Claims

1. A method for position measurement of a portable electronic device, the method comprising:

receiving, from a first satellite, first satellite information and state information of the first satellite information;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory; and

using the first satellite information for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is different from the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

2. The method of claim 1, further comprising:

excluding the first satellite information from the position measurement of the portable electronic device when the state information of the first satellite information received from the server is unhealthy.

3. The method of claim 1, further comprising:

using the first satellite information for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy and the state information of the first satellite information received from the server is healthy.

4. The method of claim 1, further comprising:

determining whether the first satellite is a Global Positioning System (GPS) satellite after the receiving of the first satellite information.

5. The method of claim 4, wherein the receiving of the state information of the first satellite information from the server is performed when the first satellite is not a GPS satellite.

6. The method of claim 1, wherein the first satellite information includes state information of second satellite information corresponding to a second satellite.

7. The method of claim 6, further comprising:

using the second satellite information for the position measurement of the portable electronic device when the state information of the second satellite information is unhealthy and other state information of the second satellite information received from the server is healthy.

8. A method for position measurement of a portable electronic device, the method comprising:

receiving, from a first satellite, first satellite information and state information of the first satellite information;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory; and

determining whether to use the first satellite for the position measurement of the portable electronic device by comparing the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

9. The method of claim 8, wherein the first satellite is used in the position measurement of the portable electronic device when both the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server are healthy.

10. The method of claim 8, wherein the first satellite is excluded from the position measurement of the portable electronic device when at least one of the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server is unhealthy.

11. The method of claim 10, further comprising:

receiving further state information of the first satellite information from the server after a predetermined time; and

using the excluded first satellite for the position measurement of the portable electronic device when the further state information of the first satellite information received from the server is healthy.

12. A method for position measurement of a portable electronic device, the method comprising:

receiving, from a first satellite, first satellite information and state information of the first satellite information;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the state information of the first satellite information received from the first satellite is unhealthy; and

using the first satellite for the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is healthy, and excluding the first satellite from the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is unhealthy,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

13. The method of claim 12, further comprising:

using the first satellite for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy.

14. A method for position measurement of a portable electronic device, the method comprising:

receiving, from a first satellite, first satellite information and state information of the first satellite information;

determining whether the first satellite is a Global Positioning System (GPS) satellite;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the first satellite is not a GPS satellite; and

determining whether to use the first satellite for the position measurement of the portable electronic device by comparing the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

15. The method of claim 14, wherein the first satellite is used for the position measurement of the portable electronic device when both the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server are healthy.

16. The method of claim 14, wherein the first satellite is excluded from the position measurement of the portable electronic device when at least one of the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server is unhealthy.

17. The method of claim 16, further comprising:

receiving further state information of the first satellite information from the server after a predetermined time; and

using the excluded first satellite for the position measurement of the portable electronic device when the further state information of the first satellite information received from the server is healthy.

18. A method for position measurement of a portable electronic device, the method comprising:

receiving, from a first satellite, first satellite information and state information of the first satellite information;

determining whether the first satellite is a Global Positioning System (GPS) satellite;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the first satellite is not a GPS satellite and state information of the first satellite information received from the first satellite is unhealthy; and

using the first satellite for the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is healthy, and excluding the first satellite from the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is unhealthy,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

19. The method of claim 18, further comprising:

using the first satellite for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy.

20. A portable electronic device, the device comprising:

at least one processor;

a memory; and

at least one program stored in the memory and configured to be executed by the at least one processor,

wherein the program comprises instructions for;

receiving, from a first satellite, first satellite information and state information of the first satellite;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory; and

using the first satellite information in position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is different from the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

21. The device of claim 20, further comprising an instruction for excluding the first satellite information from the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is unhealthy.

22. The device of claim 20, further comprising an instruction for using the first satellite information for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy and the other state information of the first satellite information received from the server is healthy.

23. The device of claim 20, further comprising an instruction for determining whether the first satellite is a Global Positioning System (GPS) satellite after the receiving of the first satellite information.

24. The device of claim 23, comprising an instruction for receiving the other state information of the first satellite information from the server when the first satellite is not a GPS satellite.

25. The device of claim 20, wherein the first satellite information includes state information of second satellite information corresponding to a second satellite.

26. The device of claim 25, further comprising an instruction for using the second satellite information for the position measurement of the portable electronic device when the state information of the second satellite information is unhealthy and other state information of the second satellite information received from the server is healthy.

27. A portable electronic device, the device comprising:

at least one processor;

a memory; and

at least one program stored in the memory and configured to be executed by the at least one processor,

wherein the program comprises instructions for;

receiving, from a first satellite, first satellite information and state information of the first satellite information;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory; and

determining whether to use the first satellite for position measurement of the portable electronic device by comparing the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

28. The device of claim 27, wherein the first satellite is used for the position measurement of the portable electronic device when both the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server are healthy.

29. The device of claim 27, wherein the first satellite is excluded from the position measurement of the portable electronic device when at least one of the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server is unhealthy.

30. The device of claim 29, further comprising an instruction for:

receiving further state information of the first satellite information from the server after a predetermined time; and

using the excluded first satellite in the position measurement of the portable electronic device when the further state information of the first satellite information received from the server is healthy.

31. A portable electronic device, the device comprising:

at least one processor;

a memory; and

at least one program stored in the memory and configured to be executed by the at least one processor,

wherein the program comprises instructions for;

receiving, from a first satellite, first satellite information and state information of the first satellite information;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the state information of the first satellite information received from the first satellite is unhealthy; and

using the first satellite for position measurement of the portable electronic device when the other state information of the first satellite information received from the server is healthy, and excluding the first satellite from the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is unhealthy,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

32. The device of claim 31, further comprising an instruction for using the first satellite for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy.

33. A portable electronic device, the device comprising:

at least one processor;

a memory; and

at least one program stored in the memory and configured to be executed by the at least one processor,

wherein the program comprises instructions for;

receiving, from a first satellite, first satellite information and state information of the first satellite information;

determining whether the first satellite is a Global Positioning System (GPS) satellite;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the first satellite is not a GPS satellite; and

determining whether to use the first satellite for position measurement of the portable electronic device by comparing the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

34. The device of claim 33, wherein the first satellite is used for the position measurement of the portable electronic device when both the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server are healthy.

35. The device of claim 33, wherein the first satellite is excluded from the position measurement of the portable electronic device when at least one of the state information of the first satellite information received from the first satellite and the other state information of the first satellite information received from the server is unhealthy.

36. The device of claim 35, further comprising an instruction for:

receiving further state information of the first satellite information from the server after a predetermined time; and

using the excluded first satellite for the position measurement of the portable electronic device when the further state information of the first satellite information received from the server is healthy.

37. A portable electronic device, the device comprising:

at least one processor;

a memory; and

at least one program stored in the memory and configured to be executed by the at least one processor,

wherein the program comprises an instruction for;

receiving, from a first satellite, first satellite information and state information for the first satellite;

determining whether the first satellite is a Global Positioning System (GPS) satellite;

receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory when the first satellite is not a GPS satellite and the state information of the first satellite information received from the first satellite is unhealthy; and

using the first satellite for position measurement of the portable electronic device when the other state information of the first satellite information received from the server is healthy, and excluding the first satellite from the position measurement of the portable electronic device when the other state information of the first satellite information received from the server is unhealthy,

wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

38. The device of claim 37, further comprising an instruction for using the first satellite for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is healthy.