JP2003185727A5 - - Google Patents
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- JP2003185727A5 JP2003185727A5 JP2001385439A JP2001385439A JP2003185727A5 JP 2003185727 A5 JP2003185727 A5 JP 2003185727A5 JP 2001385439 A JP2001385439 A JP 2001385439A JP 2001385439 A JP2001385439 A JP 2001385439A JP 2003185727 A5 JP2003185727 A5 JP 2003185727A5
- Authority
- JP
- Japan
- Prior art keywords
- base station
- terminal
- information
- detection system
- accuracy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 claims 11
- 238000004364 calculation method Methods 0.000 claims 7
- 238000005259 measurement Methods 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
Claims (8)
上記複数の基地局についての、基地局からの信号送信時刻とＰＮオフセットとの時間のずれを示す情報の精度を示す情報とを含む基地局情報を用いて上記端末の位置を測定する位置検出システム。A position detection system that includes a plurality of base stations and at least one terminal, and detects a position of the terminal based on a reception timing of a signal transmitted and received between the plurality of base stations and the terminal,
A position detection system for measuring the position of the terminal using base station information including information indicating accuracy of information indicating a time difference between a signal transmission time from the base station and a PN offset for the plurality of base stations. .
複数の基地局の位置情報と、位置情報の測定精度より定まる各基地局の精度レベル情報とを含む基地局情報を用いて上記端末の位置を測定する位置検出システム。A position detection system that has a plurality of base stations and at least one terminal, and detects the position of the terminal based on reception timing of signals transmitted and received between the plurality of base stations and the terminal,
A position detection system that measures the position of the terminal using base station information including position information of a plurality of base stations and accuracy level information of each base station determined from measurement accuracy of position information.
上記受信タイミングと、上記複数の基地局についての、基地局からの信号送信時刻とＰＮオフセットとの時間のずれを示す情報の精度を示す情報とを含む基地局情報を用いて上記端末の位置を計算することを特徴とする位置計算方法。A position calculation method in a position calculation center of a position detection system for detecting the position of a terminal based on reception timing of signals transmitted and received between a plurality of base stations and the terminal,
The position of the terminal is determined using base station information including the reception timing and information indicating the accuracy of information indicating a time difference between the signal transmission time from the base station and the PN offset for the plurality of base stations. A position calculation method characterized by calculating.
上記受信タイミングと、複数の基地局の位置情報と、位置情報の測定精度より定まる各基地局の精度レベル情報とを含む基地局情報を用いて上記端末の位置を位置計算方法。A position calculation method in a position calculation center of a position detection system for detecting the position of a terminal based on reception timing of signals transmitted and received between a plurality of base stations and the terminal,
A method for calculating the position of the terminal using base station information including the reception timing, position information of a plurality of base stations, and accuracy level information of each base station determined from measurement accuracy of position information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385439A JP3750598B2 (en) | 2001-12-19 | 2001-12-19 | Server, portable terminal device, and position detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385439A JP3750598B2 (en) | 2001-12-19 | 2001-12-19 | Server, portable terminal device, and position detection system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003185727A JP2003185727A (en) | 2003-07-03 |
| JP2003185727A5 true JP2003185727A5 (en) | 2005-05-19 |
| JP3750598B2 JP3750598B2 (en) | 2006-03-01 |
Family
ID=27594853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001385439A Expired - Fee Related JP3750598B2 (en) | 2001-12-19 | 2001-12-19 | Server, portable terminal device, and position detection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3750598B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7151939B2 (en) * | 2003-02-18 | 2006-12-19 | Qualcomm Incorporated | Method, apparatus, and machine-readable medium for providing indication of location service availability and the quality of available location services |
| JP4572698B2 (en) * | 2005-02-21 | 2010-11-04 | 日本電気株式会社 | Portable terminal device, wireless communication system, position information calculation method, and program |
| US7551579B2 (en) | 2006-05-08 | 2009-06-23 | Skyhook Wireless, Inc. | Calculation of quality of wlan access point characterization for use in a wlan positioning system |
| US7468696B2 (en) * | 2006-12-14 | 2008-12-23 | The Boeing Company | Method and device for trilateration using LOS link prediction and pre-measurement LOS path filtering |
| JP5052244B2 (en) * | 2007-07-20 | 2012-10-17 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system |
| JP6374440B2 (en) * | 2016-06-15 | 2018-08-15 | 東京エレクトロニツクシステムズ株式会社 | Positioning terminal |
-
2001
- 2001-12-19 JP JP2001385439A patent/JP3750598B2/en not_active Expired - Fee Related
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