To provide a method enabling positional information on another railroad vehicle to be stably displayed even when a distance between a plurality of railroad vehicles performing time-division multiplexing inter-terminal radio communication is larger than an available range of the inter-terminal radio communication.SOLUTION: An own railroad vehicle C1 transmits positional information of an own railroad vehicle through base station radio communication and time-division multiplexing inter-terminal radio communication and receives positional information of another railroad vehicle C2 through the base station radio communication and the time-division multiplexing inter-terminal radio communication. When the positional information of another railroad vehicle is not available through the time-division multiplexing inter-terminal radio communication, the own railroad vehicle obtains the positional information of another railroad vehicle through the base station radio communication B instead of obtaining the same through the time-division multiplexing inter-terminal radio communication.SELECTED DRAWING: Figure 2
【課題】時分割多重方式の端末間無線通信を行なう複数の車両の間の距離が、端末間無線通信の通信可能範囲外であるときでも、他車両の位置情報表示を安定して得る方法を提供する。【解決手段】自車両C1は、自身の位置情報を、基地局無線通信及び時分割多重方式の端末間無線通信を用いて送信するとともに、他車両C2の位置情報を、基地局無線通信及び時分割多重方式の端末間無線通信を用いて受信する。時分割多重方式の端末間無線通信を用いて他車両の位置情報を受信できないときに、時分割多重方式の端末間無線通信を用いて受信する他車両の位置情報に代えて、基地局無線通信Bを用いて受信した他車両の位置情報を取得する。【選択図】図2
RAILROAD RADIO COMMUNICATION TERMINAL AND RAILROAD RADIO COMMUNICATION METHOD
鉄道用無線通信端末及び鉄道用無線通信方法
2021-07-01
Patent
Elektronische Ressource
Japanisch
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