To provide a signal generation device that can generate an encrypted roadside device message capable of testing an on-vehicle device.SOLUTION: A signal generation device 20 includes a message generation unit 21 that generates a roadside device message, a time information generation unit 22 that generates time information to be shared with an on-vehicle device A1 and the like, and an encryption unit 23 that inputs the time information from the time information generation unit 22, encrypts the roadside device message generated by the message generation unit 21 to generate the encrypted roadside device message, and outputs the encrypted time information indicating the encrypted time and the encrypted roadside device message to the on-vehicle device A1 and the like.SELECTED DRAWING: Figure 1

    【課題】車載機の試験が可能な暗号化された路側機メッセージを発生することができる信号発生装置を提供する。【解決手段】信号発生装置20は、路側機メッセージを生成するメッセージ生成部21と、車載機A1等と共有する時刻情報を発生する時刻情報発生部22と、時刻情報発生部22から時刻情報を入力し、メッセージ生成部21によって生成された路側機メッセージを暗号化して暗号化路側機メッセージを生成し、暗号化した時刻を示す暗号化時刻情報及び暗号化路側機メッセージを車載機A1等に出力する暗号化部23と、を備える。【選択図】図1


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    Title :

    SIGNAL GENERATION DEVICE, COMMUNICATION ENVIRONMENT SIMULATION TEST APPARATUS AND COMMUNICATION ENVIRONMENT SIMULATION TEST SYSTEM HAVING THE SAME, SIGNAL GENERATION METHOD, AND COMMUNICATION ENVIRONMENT SIMULATION TEST METHOD


    Additional title:

    信号発生装置、それを備えた通信環境模擬試験装置及び通信環境模擬試験システム並びに信号発生方法及び通信環境模擬試験方法


    Contributors:

    Publication date :

    2019-01-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / H04B TRANSMISSION , Übertragung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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