Title :
A new pocket-size cellular telephone for NTT high-capacity land mobile communication system
Author :
Shimizu, I. ; Urabe, S. ; Hirade, K. ; Nagata, K. ; Yuki, S.
Author_Institution :
NTT, Kanagawa, Japan
Abstract :
NTT has developed a pocket-size telephone whose volume and weight are 150 c3 and 230 g, respectively. The design concept, miniaturization techniques, configuration, and performance characteristics of the telephone are presented. It is pointed out that this telephone also has high speech quality and an excellent man-machine interface
Keywords :
cellular radio; telephone sets; NTT; configuration; design concept; high speech quality; high-capacity land mobile communication system; man-machine interface; miniaturization techniques; performance characteristics; pocket-size cellular telephone; Batteries; Humans; Laboratories; Land mobile radio cellular systems; Mobile communication; Network interfaces; Radio communication; Speech; Telephony; User interfaces;
Conference_Titel :
Vehicular Technology Conference, 1991. Gateway to the Future Technology in Motion., 41st IEEE
Conference_Location :
St. Louis, MO
Print_ISBN :
0-87942-582-2
DOI :
10.1109/VETEC.1991.140458
