To provide a roadside machine, a communication system, a communication method, and a program that can prevent wrong communication while suppressing the number of antennas.SOLUTION: A roadside machine 300 comprises: an antenna 302 which radiates a radio wave to form a radio communication area; a radio communication part which performs radio communication with an on-vehicle unit 200 mounted on a vehicle 210 entering the communication area through the antenna 302; a communication condition setting part which receives identification information on the vehicle 210 from the on-vehicle unit 200 when the vehicle 210 enters the radio communication area and sets communication conditions of the radio communication part according to a rank related to the identification information; and an information communication processing part which executes authentication processing on the vehicle 210 for the on-vehicle unit 200 under the communication conditions set by the communication condition setting part.SELECTED DRAWING: Figure 1
【課題】アンテナの数を抑制しつつ誤通信を防止することができる路側機、通信システム、通信方法、及びプログラムを提供する。【解決手段】路側機300は、電波を放射することにより無線通信エリアを形成するアンテナ302と、無線通信エリアに進入した車両210に搭載される車載器200との間でアンテナ302を通じて無線通信を行う無線通信部と、無線通信エリアに車両210が進入したとき、車載器200から車両210の識別情報を受信し、当該識別情報に関連づけられたランクに応じて、無線通信部の通信条件を設定する通信条件設定部と、通信条件設定部によって設定された通信条件で、車載器200に対して車両210の認証処理を実行する情報通信処理部とを備える。【選択図】図1
ROADSIDE MACHINE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM
路側機、通信システム、通信方法、及びプログラム
2019-07-25
Patent
Electronic Resource
Japanese
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