PROBLEM TO BE SOLVED: To provide a road side machine capable of preventing erroneous communication with vehicles other than a communication object among a plurality of vehicles each having an on-vehicle device mounted thereon.SOLUTION: The road side machine which communicates with a vehicle among a plurality of vehicles comprises: a main antenna having a first communication area for communicating with a vehicle of a communication object and receiving ID information for discriminating the plurality of vehicles from at least the vehicle of a communication object; a sub antenna having a second communication area different from that of the main antenna and receiving ID information for discriminating the plurality of vehicles; and a determination unit for determining ID information which has not been received by the sub antenna from among pieces of the ID information received by the main antenna as ID information of the vehicle of a communication object.SELECTED DRAWING: Figure 2

    【課題】車載器を搭載した複数の車両のうち、通信対象以外の車両との誤通信を防止する路側機を提供する。【解決手段】本発明は、複数の車両のうち、いずれかの車両と通信する路側機において、通信対象の車両と通信するための第1の通信エリアを有し、複数の車両を識別するためのID情報を少なくとも通信対象の車両から受信するメインアンテナと、メインアンテナとは異なる第2の通信エリアを有し、複数の車両を識別するためのID情報を受信するサブアンテナと、メインアンテナで受信したID情報のうちサブアンテナで受信されていないID情報を通信対象の車両のID情報と判定する判定部と、を備えることを特徴とする。【選択図】 図2


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    Title :

    ROAD SIDE MACHINE


    Additional title:

    路側機


    Contributors:
    OCHIAI MARI (author) / SANO HIROYASU (author)

    Publication date :

    2016-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G07B Fahrkartenausgeber , TICKET-ISSUING APPARATUS



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