To receive data required for prediction of a locus while suppressing an increase in traffic.SOLUTION: The data reception device, when the time sequence of locus data showing at least one of a position, a speed, an acceleration of a mobile object and vehicle control information cannot be received (Yes at S07), requests a transmission device to transmit a part having not been received again. The data reception device determines whether or not the time sequence of locus data before and behind the part having not been received is non-linear (S08) and requests the transmission device to set a time interval of the time sequence of the locus data to be transmitted again in determining the time sequence to be nonlinear to be shorter than the time interval in determining the time sequence to be not nonlinear (S09, S11, S12).SELECTED DRAWING: Figure 2

    【課題】トラフィックの増大を抑制しつつ、軌跡の予測に必要なデータを受信する。【解決手段】データ受信装置は、移動物体の位置、速度、加速度および車両制御情報の少なくとも一つを示す軌跡データの時系列が受信できていない場合に(S07でYES)、受信できていない一部分を再度送信することを送信装置へ要求する。データ受信装置は、受信できていない前記一部分の前後の軌跡データの時系列が非線形であるか否かを判断し(S08)、非線形であると判断した場合における、再度送信する軌跡データの時系列の時間間隔を、非線形でないと判断した場合における時間間隔よりも短くすることを、送信装置に要求する(S09、S11、S12)。【選択図】図2


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    Title :

    DATA RECEPTION DEVICE, DATA RECEPTION METHOD AND TRANSMISSION/RECEPTION SYSTEM


    Additional title:

    データ受信装置、データ受信方法、及び送受信システム


    Contributors:

    Publication date :

    2020-10-01


    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



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