PROBLEM TO BE SOLVED: To provide a system for accurately detecting the position of the other party even when the other party cannot be visually recognized.SOLUTION: A mobile communication system 5 includes: an onboard communication device 100 provided with a first positioning unit 132 for measuring a first current position on the basis of a satellite signal from a GPS satellite 10, a second positioning unit 134 for measuring a second current position on the basis of a signal of a sensor unit 120, an error information calculation unit 136 for calculating an error component included in the satellite signal on the basis of the first current position and the second current position, and a communication unit 150 for transmitting the error component; a portable communication device 200 provided with a communication unit 240 for receiving the error component, a third positioning unit 222 for measuring a third current position on the basis of the satellite signal, and a position correction unit 224 for correcting the third current position on the basis of the error component; the communication unit 240 transmitting corrected position information to the onboard communication device 100, the communication unit 150 receiving the transmitted position information.SELECTED DRAWING: Figure 1

    【課題】相手を視認できない状態であっても相手の位置を精度良く検出するシステムを提供する。【解決手段】移動通信システム5は、GPS衛星10からの衛星信号に基づき第1現在位置を測位する第1測位部132と、センサー部120の信号に基づき第2現在位置を測位する第2測位部134と、第1現在位置および第2現在位置に基づいて、衛星信号に含まれる誤差成分を算出する誤差情報算出部136と、誤差成分を送信する通信部150と、を備える車載通信装置100と、誤差成分を受信する通信部240と、衛星信号に基づいて第3現在位置を測位する第3測位部222と、誤差成分に基づいて第3現在位置を補正する位置補正部224と、を備える携帯通信装置200を有し、通信部240は、補正した位置情報を車載通信装置100に送信し、通信部150は送信された位置情報を受信する。【選択図】図1


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    Title :

    POSITIONING SYSTEM, ONBOARD DEVICE, AND POSITIONING METHOD


    Additional title:

    測位システム、車載装置および測位方法


    Contributors:

    Publication date :

    2018-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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