抄録
In current railways, many railway information systems have been individually introduced for safety operation of trains and certainly practice of operation plan. And, it has not been executed positively for even long-distance passengers of the ordinary trunk lines to serve amusements like music and pictures and railway information.
This paper presents a concept of multimedia railway information and communication system (MURICS) for train operation and passengers, and proposes a new radio communication system between trains and ground facilities which adopts subcarrier multiplexed lightwave system in feeder links and 45GHz band millimeter-wave radio communication system in radio links.
Also, this paper describes performance estimation of this proposed system by computer simulation, and shows that this system is able to put to practical use by results of estimation.
