PROBLEM TO BE SOLVED: To provide an appropriate data collection technique corresponding to the actual condition of a traffic situation while preventing the tightness of a communication line.SOLUTION: A roadside communication device (roadside radio device 2) according to an embodiment of the present invention has a data relay function. The roadside communication device comprises: communication units 21, 22 for receiving mobile body data S4 generated by a mobile body 5; a relay unit 23B capable of relaying the mobile body data S4 involving thinning-out processing of the amount of data; and a control unit 23 capable of setting a data correction rate, i.e. the ratio of data amounts of before and after relay at the relay unit 23B per road where the mobile body data S4 is generated.SELECTED DRAWING: Figure 4

    【課題】 通信回線の逼迫を抑制しつつ、交通状況の実態に即した適切なデータ収集技術を提供する。【解決手段】 本発明の実施形態に係る路側通信装置(路側無線機2)は、データの中継機能を有する路側通信装置であって、移動体5が生成元の移動体データS4を受信する通信部21,22と、データ量の間引き処理を伴う移動体データS4の中継が可能な中継部23Bと、中継部23Bにおける中継前後のデータ量の割合であるデータ収集率を、移動体データS4が生成された道路ごとに設定可能な制御部23と、を備える。【選択図】 図4


    Access

    Download


    Export, share and cite



    Title :

    ROADSIDE COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND DATA RELAY METHOD


    Additional title:

    路側通信装置、通信システム及びデータ中継方法


    Contributors:

    Publication date :

    2016-06-20


    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



    ROADSIDE COMMUNICATION DEVICE AND DATA RELAY METHOD

    UMEHARA SHIGEKI / MATSUMOTO HIROSHI / KOBAYASHI MASAFUMI | European Patent Office | 2017

    Free access

    ROADSIDE COMMUNICATION DEVICE AND DATA RELAY METHOD

    UMEHARA SHIGEKI / MATSUMOTO HIROSHI / KOBAYASHI MASAFUMI | European Patent Office | 2016

    Free access

    ROADSIDE COMMUNICATION DEVICE, AND DATA RELAY METHOD

    UMEHARA SHIGEKI / MATSUMOTO HIROSHI / KOBAYASHI MASAFUMI | European Patent Office | 2016

    Free access


    ROADSIDE COMMUNICATION DEVICE, DATA RELAY METHOD, CENTRAL DEVICE, COMPUTER PROGRAM, AND DATA PROCESSING METHOD

    MATSUMOTO HIROSHI / UMEHARA SHIGEKI / KOBAYASHI MASAFUMI | European Patent Office | 2016

    Free access