PROBLEM TO BE SOLVED: To obtain a vehicle radio communication device which prevents transmission of false message information by impersonating a vehicle.SOLUTION: A vehicle radio communication device includes ID frequency of occurrence count means 501 being connected with an on-vehicle network and counting frequency of occurrence of each ID attached to each data packet of the on-vehicle network, impersonation determination means 502, 503 for determining whether it is impersonation or not, by checking whether or not the frequency of occurrence of each ID counted by the ID frequency of occurrence count means matches a preset pattern of the frequency of occurrence of each ID in a mounting vehicle, and transmission means 108 for transmitting a message only when determination is made that it is not the impersonation by the impersonation determination means.SELECTED DRAWING: Figure 2

    【課題】車両になりすまして偽のメッセージ情報を送信するのを防止する車両用無線通信装置を得る。【解決手段】車載ネットワークに接続され、車載ネットワークの各データパケットに付される各IDの出現頻度を計数するID出現頻度計数手段501と、ID出現頻度計数手段で計数された各IDの出現頻度が、あらかじめ設定された搭載車両における各IDの出現頻度のパターンに合致しているか否かにより、なりすましであるか否かを判定するなりすまし判定手段502、503と、なりすまし判定手段によって、なりすましではないと判断された場合のみ、メッセージの送信を行う送信手段108とを備える。【選択図】図2


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    Title :

    VEHICLE RADIO COMMUNICATION DEVICE


    Additional title:

    車両用無線通信装置


    Contributors:

    Publication date :

    2018-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr




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