Title :
New automated maritime telephone system
Author :
Komura, Mitsuru ; Yoneoka, Yutaka ; Nishimura, Shozo ; Tsujioku, Nobuaki
Author_Institution :
Nippon Telegraph and Telephone Public Corporation, Tokyo, Japan
fDate :
7/1/1977 12:00:00 AM
Abstract :
As one of the most valuable services in telecommunication service, NTT has developed a new automated maritime telephone system for public use. Calls between ship and land subscribers, or between one ship and another can be connected automatically by subscribers´ dialing in the nationwide system. The new system adopts a lot of technical features such as automatic location registration, new signaling methods, etc. An outline of system performance and function is described herein.
Keywords :
Marine-vehicle communication; Base stations; Channel allocation; Marine vehicles; Mobile communication; Radio frequency; Sea measurements; Switching systems; Telecommunications; Telegraphy; Telephony;
Journal_Title :
Oceanic Engineering, IEEE Journal of
DOI :
10.1109/JOE.1977.1145346
