JP2009031041A5 - - Google Patents

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JP2009031041A5
JP2009031041A5 JP2007193324A JP2007193324A JP2009031041A5 JP 2009031041 A5 JP2009031041 A5 JP 2009031041A5 JP 2007193324 A JP2007193324 A JP 2007193324A JP 2007193324 A JP2007193324 A JP 2007193324A JP 2009031041 A5 JP2009031041 A5 JP 2009031041A5
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Prior art keywords
positioning
beacon signal
wireless lan
positioning error
current
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JP2007193324A
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JP5374844B2 (en
JP2009031041A (en
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Priority claimed from JP2007193324A external-priority patent/JP5374844B2/en
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Publication of JP2009031041A5 publication Critical patent/JP2009031041A5/ja
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Claims (10)

測位用衛星からの衛星信号を受信して現在位置を測位演算することと、
無線ＬＡＮ基地局から発信されるビーコン信号を受信することと、
測位位置の変化と各測位演算時点で受信されたビーコン信号の変化とに基づいて、測位誤差の発生を判定することと、
を含む測位誤差発生判定方法。 Receiving satellite signals from positioning satellites and positioning the current position;
Receiving a beacon signal transmitted from a wireless LAN base station;
Determining the occurrence of a positioning error based on a change in positioning position and a change in beacon signal received at each positioning calculation time point;
Positioning error occurrence determination method including. ビーコン信号に含まれる発信者ＩＤに基づき同一の無線ＬＡＮ基地局からのビーコン信号の連続受信を検出し、且つ、前回の測位位置と今回の測位位置間の距離が所定の無線ＬＡＮ信号到達距離より大きい場合に、測位誤差が発生していると判定する請求項１に記載の測位誤差発生判定方法。   A continuous reception of a beacon signal from the same wireless LAN base station is detected based on the caller ID included in the beacon signal, and the distance between the previous positioning position and the current positioning position is greater than a predetermined wireless LAN signal arrival distance. The positioning error occurrence determination method according to claim 1, wherein when it is large, it is determined that a positioning error has occurred. ビーコン信号に含まれる発信者ＩＤに基づき同一の無線ＬＡＮ基地局からのビーコン信号の連続受信を検出し、且つ、連続受信した当該ビーコン信号の信号強度が同等であり、更に、前回の測位位置に対する今回の測位位置が所定の位置変動条件を満たす場合に、測位誤差が発生していると判定する請求項１に記載の測位誤差発生判定方法。   The continuous reception of the beacon signal from the same wireless LAN base station is detected based on the caller ID included in the beacon signal, and the signal strength of the continuously received beacon signal is the same, and further, with respect to the previous positioning position. The positioning error occurrence determination method according to claim 1, wherein it is determined that a positioning error has occurred when the current positioning position satisfies a predetermined position variation condition. 前記無線ＬＡＮ基地局それぞれの設置位置を記憶した設置位置記憶部から、受信したビーコン信号を発信した無線ＬＡＮ基地局の設置位置を取得することを更に含み、
１）ビーコン信号に含まれる発信者ＩＤに基づき同一の無線ＬＡＮ基地局からのビーコン信号の連続受信を検出し、且つ、２）連続受信した当該ビーコン信号の信号強度の変化と、前記取得された設置位置と、前回の測位位置から今回の測位位置への変位との相関関係が所定の相反条件を満たす場合に、測位誤差が発生していると判定する請求項１に記載の測位誤差発生判定方法。 Further including obtaining the installation position of the wireless LAN base station that has transmitted the received beacon signal from the installation position storage unit storing the installation position of each of the wireless LAN base stations;
1) detecting continuous reception of a beacon signal from the same wireless LAN base station based on a caller ID included in the beacon signal, and 2) a change in signal strength of the beacon signal continuously received and the acquired The positioning error occurrence determination according to claim 1, wherein it is determined that a positioning error has occurred when a correlation between the installation position and the displacement from the previous positioning position to the current positioning position satisfies a predetermined conflict condition. Method. 請求項２〜４の何れか一項に記載の測位誤差発生判定方法と、
前記測位誤差発生判定方法によって測位誤差の発生が判定された場合に、１）今回の測位位置を出力しない、或いは、２）前回の測位位置を今回の測位位置として出力する制御を行うことと、
を含む測位位置出力制御方法。 A positioning error occurrence determination method according to any one of claims 2 to 4,
When the occurrence of a positioning error is determined by the positioning error occurrence determination method, 1) not to output the current positioning position, or 2) to perform control to output the previous positioning position as the current positioning position;
Positioning position output control method including 請求項２〜４の何れか一項に記載の測位誤差発生判定方法と、
前記測位誤差発生判定方法によって測位誤差の発生が判定された場合に、前回の測位位置を測位演算用の初期位置として次回の測位演算を行うことと、
を含む測位方法。 A positioning error occurrence determination method according to any one of claims 2 to 4,
When the occurrence of positioning error is determined by the positioning error occurrence determination method, performing the next positioning calculation using the previous positioning position as the initial position for positioning calculation;
Positioning method including. 測位用衛星からの衛星信号を受信して現在位置を測位演算することと、
無線ＬＡＮ基地局から発信されるビーコン信号を受信することと、
ビーコン信号に含まれる発信者ＩＤに基づき同一の無線ＬＡＮ基地局からのビーコン信号の連続受信を検出し、且つ、連続受信した当該ビーコン信号の信号強度が同等の場合に、前回の測位位置を今回の測位位置として出力することと、
を含む測位位置出力制御方法。 Receiving satellite signals from positioning satellites and positioning the current position;
Receiving a beacon signal transmitted from a wireless LAN base station;
If the continuous reception of the beacon signal from the same wireless LAN base station is detected based on the caller ID included in the beacon signal and the signal strength of the continuously received beacon signal is the same, the previous positioning position is Output as the positioning position of
Positioning position output control method including 測位装置に内蔵されたコンピュータに、請求項１〜４の何れか一項に記載の測位誤差発生判定方法を実行させるためのプログラム。   The program for making the computer built in the positioning apparatus perform the positioning error generation | occurrence | production determination method as described in any one of Claims 1-4. 測位装置に内蔵されたコンピュータに、請求項５又は７に記載の測位位置出力制御方法を実行させるためのプログラム。   The program for making the computer incorporated in the positioning apparatus perform the positioning position output control method of Claim 5 or 7. 測位用衛星からの衛星信号を受信して現在位置を測位演算する測位演算部と、
無線ＬＡＮ基地局から発信されるビーコン信号を受信する無線ＬＡＮ通信部と、
前記測位演算部により測位演算された測位位置の変化と各測位演算時点に前記無線ＬＡＮ通信部によって受信されたビーコン信号の変化とに基づいて、測位誤差の発生を判定する測位誤差発生判定部と、
前記測位誤差発生判定部によって測位誤差の発生が判定された場合に、１）今回の測位位置を出力しない、或いは、２）前回の測位位置を今回の測位位置として出力する制御を行う測位誤差発生時出力制御部と、
を備えた測位装置。 A positioning calculator that receives satellite signals from positioning satellites and calculates the current position;
A wireless LAN communication unit that receives a beacon signal transmitted from a wireless LAN base station;
A positioning error occurrence determination unit that determines the occurrence of a positioning error based on a change in positioning position calculated by the positioning calculation unit and a change in beacon signal received by the wireless LAN communication unit at each positioning calculation time point; ,
When the occurrence of a positioning error is determined by the positioning error generation determination unit, 1) the current positioning position is not output, or 2) the positioning error is generated so that the previous positioning position is output as the current positioning position. Output control unit,
Positioning device equipped with.
JP2007193324A 2007-07-25 2007-07-25 Positioning error occurrence determination method, positioning position output control method, positioning method, program, and positioning device Expired - Fee Related JP5374844B2 (en)

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JP2007193324A JP5374844B2 (en) 2007-07-25 2007-07-25 Positioning error occurrence determination method, positioning position output control method, positioning method, program, and positioning device

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JP2007193324A JP5374844B2 (en) 2007-07-25 2007-07-25 Positioning error occurrence determination method, positioning position output control method, positioning method, program, and positioning device

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JP2009031041A JP2009031041A (en) 2009-02-12
JP2009031041A5 true JP2009031041A5 (en) 2010-08-19
JP5374844B2 JP5374844B2 (en) 2013-12-25

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JP5551886B2 (en) * 2009-03-30 2014-07-16 三菱重工業株式会社 Terminal position detection system and sailor position management system
US8199051B2 (en) 2009-12-18 2012-06-12 Trueposition, Inc. Satellite positioning receiver and proxy location system
KR101851593B1 (en) * 2011-06-24 2018-06-12 에스케이 텔레콤주식회사 Positioning Apparatus and Driving Method Thereof, Cloud Computing Service Apparatus and Driving Method Thereof, Terminal and Driving Method Thereof
JP2014007533A (en) * 2012-06-22 2014-01-16 Mazeran Systems Japan Kk Wanderer position management system
JP6825349B2 (en) * 2016-12-16 2021-02-03 富士ゼロックス株式会社 Information processing equipment, image processing equipment and programs
WO2018142580A1 (en) * 2017-02-03 2018-08-09 三菱電機株式会社 Display control apparatus and display control method
CN110231588B (en) * 2019-05-15 2023-08-22 欧普照明股份有限公司 Method and device for positioning based on wireless signal index
CN114322989B (en) * 2021-12-29 2023-07-18 广州极飞科技股份有限公司 Position mutation determining method and device, electronic equipment and readable storage medium

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JP4498095B2 (en) * 2004-10-26 2010-07-07 アルパイン株式会社 Moving body position calculating apparatus and calculating method
JP2007121226A (en) * 2005-10-31 2007-05-17 Mitsubishi Electric Corp Mobile terminal device and program

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