Title :
Economical radio and switching equipment for nationwide land mobile telephone service
Author :
Kikuchi, Takaaki ; Nishigaichi, Toshiharu
Author_Institution :
Nippon Telegraph and Telephone Public Corporation, Tokyo, Japan
Abstract :
NTT´s land mobile telephone system was put into service in 1979 in the Tokyo area, and has been extended to several major cities. In order to provide nationwide service, it is necessary to realize economical radio and switching equipments which are suitable for use in a lower subscriber density area. This paper presents an outline of the economical radio and switching equipments providing nationwide land mobile telephone service.
Keywords :
Base stations; Cities and towns; Control systems; Costs; Radio frequency; Radio propagation; Switching systems; Telegraphy; Telephony; Urban areas;
Conference_Titel :
Vehicular Technology Conference, 1983. 33rd IEEE
DOI :
10.1109/VTC.1983.1623157
