POSITIONING METHOD, POSITIONING DEVICE, AND PROGRAM

• US 20090167598A1
• Filed: 12/07/2006
• Published: 07/02/2009
• Est. Priority Date: 12/09/2005
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Morisaki, Mitsunori
• Granted Patent: US 8,265,635 B2
• Time in Patent Office: Days
• US Class Current: 342/357.310
• CPC Class Codes: G01S 5/14 Determining absolute distances from a plurality of spaced points of known location
• CPC Class Codes: G01S 5/16 using electromagnetic waves other than radio waves
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

[Problems to be Solved] The positioning system satisfying a required positioning accuracy cannot be realized with the conventional area design for aiming at positioning a reference point, being a position of a fixed radio appliance that is on a footing of being able to position a mobile radio appliance by transmitting or receiving a radio signal.

[Means to Solve the Problems] In a method of designing the positioning system for positioning a reference point from a required positioning accuracy and a required positioning area by using a radio appliance, a maximum value and a minimum value of a plurality of fluctuation factors, which cause the positioning system to fluctuate, are set, a communication characteristic of the fixed radio appliance is calculated from the minimum value of the fluctuation factor and the required positioning accuracy, and a characteristic of the fixed radio appliance and an installation position of the fixed radio appliance are calculated from the calculated characteristic of the installed appliance, the maximum value of the fluctuation factor, and the required positioning area.

Claims

1. A method of positioning originating terminals in a positioning method, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-position region, characterized in comprising:

an origination characteristic deciding step that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding step that obtain a positioning-possible region by said obtained characteristic of the originating terminal when the communication quality is estimated to be worst, and decide an installation position of said originating terminal based upon this positioning-possible region.

2. The positioning method according to claim 1, characterized in that said characteristic of the originating terminal is an origination intensity.

3. The positioning method according to claim 1, characterized in that said characteristic of the originating terminal is an angle gain.

4. The positioning method according to claim 1, characterized in that a factor causing said communication quality to fluctuate is noise.

5. The positioning method according to claim 1, characterized in that a factor causing said communication quality to fluctuate is one of a receiver sensitivity of the receiving terminal and an angle gain of the receiving terminal.

6. The positioning method according to claim 1, characterized in that a factor causing said communication quality to fluctuate is an inclination of the receiving terminal.

7. The positioning method according to claim 1, characterized in that a factor causing said communication quality to fluctuate is a height of the receiving terminal.

8. The positioning method according to claim 1, characterized in that a factor causing said communication quality to fluctuate is a delay.

9. The positioning method according to claim 1, characterized in deciding said installation position of the originating terminal so that said positioning-possible region covers said to-be-positioned region.

10. A method of positioning receiving terminals in a positioning method, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in comprising:

a reception characteristic deciding step that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding step that obtain a positioning-possible region by said obtained characteristic of the receiving terminal when the communication quality is estimated to be worst, and deciding an installation position of said receiving terminal based upon this positioning-possible region.

11. The positioning method according to claim 10, characterized in that said characteristic of the receiving terminal is receiver sensitivity.

12. The positioning method according to claim 10, characterized in that said characteristic of the receiving terminal is an angle gain.

13. The positioning method according to claim 10, characterized in that a factor causing said communication quality to fluctuate is noise.

14. The positioning method according to claim 10, characterized in that a factor causing said communication quality to fluctuate is one of an origination intensity of the originating terminal and an angle gain of the originating terminal.

15. The positioning method according to claim 10, characterized in that a factor causing said communication quality to fluctuate is an inclination of the originating terminal.

16. The positioning method according to claim 10, characterized in that a factor causing said communication quality to fluctuate is a height of the originating terminal.

17. The positioning method according to claim 10, characterized in that a factor causing said communication quality to fluctuate is a delay.

18. The positioning method according to claim 10, characterized in deciding said installation position of the receiving terminal so that said positioning-possible region covers said to-be-positioned region.

19. A device for positioning originating terminals in a positioning system, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-positioned region, characterized in comprising:

an origination characteristic deciding means that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding means that obtain a positioning-possible region by said obtained origination characteristic when the communication quality is estimated to be worst, and decide an installation position of said originating terminal based upon this positioning-possible region.

20. The positioning device according to claim 19, characterized in that said origination characteristic deciding means obtains an origination intensity of said originating terminal satisfying a required positioning accuracy when the communication quality is estimated to be best.

21. The positioning device according to claim 19, characterized in that said origination characteristic deciding means obtains an angle gain of said originating terminal satisfying a required positioning accuracy at the time that the communication quality is estimated to be worst.

22. The positioning device according to claim 19, characterized in that a factor causing said communication quality to fluctuate is noise.

23. The positioning device according to claim 19, characterized in that a factor causing said communication quality to fluctuate is one of a receiver sensitivity of the receiving terminal and an angle gain of the receiving terminal.

24. The positioning device according to claim 19, characterized in that a factor causing said communication quality to fluctuate is an inclination of the receiving terminal.

25. The positioning device according to claim 19, characterized in that a factor causing said communication quality to fluctuate is a height of the receiving terminal.

26. The positioning device according to claim 19, characterized in that a factor causing said communication quality to fluctuate is a delay.

27. The positioning device according to claim 19, characterized in that said installation position deciding means decides said installation position of the originating terminal so that said positioning-possible region covers said to-be-positioned region.

28. A device for positioning a receiving terminal in a positioning system, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in comprising:

a reception characteristic deciding means that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding means that obtain a positioning-possible region by said obtained reception characteristic when the communication quality is estimated to be worst, and decide an installation position of said receiving terminal based upon this positioning-possible region.

29. The positioning device according to claim 28, characterized in that said reception characteristic deciding means obtains a receiver sensitivity of said receiving terminal satisfying the required positioning accuracy when the communication quality is estimated to be best.

30. The positioning device according to claim 28, characterized in that said reception characteristic deciding means obtains an angle gain of said receiving terminal satisfying the required positioning accuracy when the communication quality is estimated to be worst.

31. The positioning device according to claim 28, characterized in that a factor causing said communication quality to fluctuate is noise.

32. The positioning device according to claim 28, characterized in that a factor causing said communication quality to fluctuate is one of an origination intensity of said originating terminal and an angle gain of said originating terminal.

33. The positioning device according to claim 28, characterized in that a factor causing said communication quality to fluctuate is an inclination of the originating terminal.

34. The positioning device according to claim 28, characterized in that a factor causing said communication quality to fluctuate is a height of the originating terminal.

35. The positioning device according to claim 28, characterized in that a factor causing said communication quality to fluctuate is a delay.

36. The positioning device according to claim 28, characterized in that said installation position deciding means decides said installation position of the receiving terminal so that said positioning-possible region covers said to-be-positioned region.

37. A program for positioning originating terminals in a positioning method, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-positioned region, characterized in causing a computer to execute:

an origination characteristic deciding process that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding process that obtain a positioning-possible region by said obtained characteristic of the originating terminal when the communication quality is estimated to be worst, and decide an installation position of said originating terminal based upon this positioning-possible region.

38. A program for positioning a receiving terminal in a positioning method, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in causing a computer to execute:

a reception characteristic deciding process that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be best; and

an installation position deciding process that obtain a positioning-possible region by said obtained characteristic of the receiving terminal when the communication quality is estimated to be worst, and decide an installation position of said receiving terminal based upon this positioning-possible region.

39. A method of positioning originating terminals in a positioning method, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-position region, characterized in comprising:

an origination characteristic deciding step that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding step that obtain a positioning-possible region by said obtained characteristic of the originating terminal when the communication quality is estimated to be worse, and decide an installation position of said originating terminal based upon this positioning-possible region.

40. A method of positioning receiving terminals in a positioning method, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in comprising:

a reception characteristic deciding step that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding step that obtain a positioning-possible region by said obtained characteristic of the receiving terminal when the communication quality is estimated to be worse, and decide an installation position of said receiving terminal based upon this positioning-possible region.

41. A device for positioning originating terminals in a positioning system, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-positioned region, characterized in comprising:

an origination characteristic deciding means that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding means that obtain a positioning-possible region by said obtained origination characteristic when the communication quality is estimated to be worse, and decide an installation position of said originating terminal based upon this positioning-possible region.

42. A device for positioning a receiving terminal in a positioning system, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in comprising:

a reception characteristic deciding means that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding means that obtain a positioning-possible region by said obtained reception characteristic when the communication quality is estimated to be worse, and decide an installation position of said receiving terminal based upon this positioning-possible region.

43. A program for positioning originating terminals in a positioning method, which position of a receiving terminal is decided to position of to be positioned the originating terminal that transmitted an information that was received at the receiving terminal in to-be-positioned region, characterized in causing a computer to execute:

an origination characteristic deciding process that obtain a characteristic of said originating terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding process that obtain a positioning-possible region by said obtained characteristic of the originating terminal when the communication quality is estimated to be worse, and decide an installation position of said originating terminal based upon this positioning-possible region.

44. A program for positioning a receiving terminal in a positioning method, which position of an originating terminal is decided to position of to be positioned the receiving terminal that received an information from the originating terminal in to-be-positioned region, characterized in causing a computer to execute:

a reception characteristic deciding process that obtain a characteristic of said receiving terminal satisfying a required positioning accuracy when a communication quality is estimated to be better; and

an installation position deciding process that obtain a positioning-possible region by said obtained characteristic of the receiving terminal when the communication quality is estimated to be worse, and decide an installation position of said receiving terminal based upon this positioning-possible region.