To provide an onboard apparatus capable of acquiring position information which makes it possible to determine passage of a vehicle through a predetermined area, even when the vehicle is traveling in an area where a positioning radio wave cannot be received.SOLUTION: An onboard apparatus includes: a radio wave determination unit that determines whether a positioning radio wave is being received; a first position acquisition unit that acquires first position information representing a positioning position based on the positioning radio wave; a second position acquisition unit that, when the positioning radio wave is not received, acquires second position information through wireless communication with another vehicle existing in the vicinity; and a transmission unit that transmits the first position information or second position information to a passage determination device in a distinguishable manner.SELECTED DRAWING: Figure 2

    【課題】車両が測位用電波を受信できない領域を走行中であっても、当該車両について所定エリアの通過判定を可能とする位置情報を取得することができる車載器を提供する。【解決手段】車載器は、測位用電波を受信しているか否かを判定する電波判定部と、前記測位用電波を受信した場合に、当該測位用電波に基づく測位位置を示す第1の位置情報を取得する第1位置取得部と、前記測位用電波を受信していない場合に、周辺に存在する他車両との無線通信を介して、第2の位置情報を取得する第2位置取得部と、前記第1の位置情報または前記第2の位置情報を区別可能に通過判定装置に送信する送信部と、を備える。【選択図】図2


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    Title :

    ONBOARD APPARATUS, PASSAGE DETERMINATION DEVICE, PASSAGE DETERMINATION METHOD, AND PROGRAM


    Additional title:

    車載器、通過判定装置、通過判定方法、およびプログラム


    Contributors:
    ITO YAMATO (author)

    Publication date :

    2023-08-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



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