Mobile Radio Communications in Japan

After a short historical sketch of mobile communications in Japan, technical problems and future prospects are described. The peculiarities characteristic of mobile communication include complicated radio propagation and requirements for continuous communication and determination of mobile subscribers´ location. This paper discusses major problems of future mobile communication, for example, radio propagation, controlling, and switching and radio equipment involved in meeting the future demands of a large number of subscribers over widespread service areas. Effective use of an electronic switching system will enable the mobile communication network to be integrated with existing fixed communication networks.