To provide a roadside antenna that can control the transmission and stop of radio waves at appropriate timing to a running vehicle.SOLUTION: A roadside antenna 11 includes: an antenna body 110 for forming a stable communication region F1 where stable radio communication with a vehicle A running on a traffic lane L can be performed by transmitting radio waves; and a first laser scanner 111a and a second laser scanner 111b attached to the antenna body 110. The first laser scanner 111a and second laser scanner 111b are attached to the antenna body 110 so as to scan first detection light P1 and second detection light P2 along end portions X1 and X2 of a stipulated range XR stipulated as a range on the traffic lane L included in the stable communication region F1, respectively.SELECTED DRAWING: Figure 1

    【課題】走行する車両に対し、適切なタイミングで電波の発信、停止の制御を行うことができる路側アンテナを提供する。【解決手段】路側アンテナ11は、電波の発信により車線Lを走行する車両Aと安定した無線通信を行うことが可能な安定通信領域F1を形成するアンテナ本体110と、アンテナ本体110に取り付けられた第1レーザスキャナ111a、第2レーザスキャナ111bと、を備えている。第1レーザスキャナ111a、第2レーザスキャナ111bは、それぞれ、安定通信領域F1に含まれる車線L上の範囲として規定された規定範囲XRの端部X1、X2に沿って第1検出光P1、第2検出光P2を走査するように、アンテナ本体110に取り付けられている。【選択図】図1


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    Title :

    ROADSIDE ANTENNA, RADIO COMMUNICATION SYSTEM, AND METHOD FOR INSTALLING ROADSIDE ANTENNA


    Additional title:

    路側アンテナ、無線通信システム及び路側アンテナの設置方法


    Contributors:

    Publication date :

    2019-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G07B Fahrkartenausgeber , TICKET-ISSUING APPARATUS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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