To streamline GNSS positioning when a vehicle comes out from a tunnel.SOLUTION: A traffic communication system comprises: a base station that is provided around an exit of a tunnel through which a vehicle passes and transmits a message including positioning assisting information for assisting GNSS positioning to the vehicle in the tunnel by radio communication; and a mobile station that is provided in the vehicle, receives the message from the base station in the tunnel, and performs the GNSS positioning by using the positioning assisting information included in the message.SELECTED DRAWING: Figure 2
【課題】車両がトンネルから出た際のGNSS測位を円滑化する。【解決手段】交通通信システムは、車両が通るトンネルの出口周辺に設けられ、GNSS測位を補助する測位補助情報を含むメッセージを無線通信により前記トンネル内の前記車両に送信する基地局と、前記車両に設けられ、前記トンネル内において前記基地局から前記メッセージを受信し、前記メッセージに含まれる前記測位補助情報を用いて前記GNSS測位を行う移動局とを備える。【選択図】図2
TRAFFIC COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, AND VEHICLE
交通通信システム、基地局、移動局、及び車両
2021-02-18
Patent
Electronic Resource
Japanese
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