Telecommunications – Transmitter and receiver at separate stations
Patent
1990-09-18
1992-08-18
Kuntz, Curtis
Telecommunications
Transmitter and receiver at separate stations
4552381, H04Q 700
Patent
active
051406950
ABSTRACT:
In a mobile communication system between a mobile station and a telephone network through a base station which assigns a communication channel so that it satisfies required communication quality or D/U ratio, said base station comprises a moving speed detector (22) for measuring moving speed of the mobile station, and a D/U ratio generator (22A) responsive of output of said moving speed detector (22) for providing said required communication quality. The required communication quality depends upon the moving speed of a mobile station, and a communication channel is selected to be the minimum quality channel as far as it satisfies said required communication quality. Thus, the communication quality is always higher than the requested threshold quality level, and the effective reuse of frequencies is improved.
REFERENCES:
patent: 4747101 (1988-05-01), Akaiwa et al.
patent: 4939785 (1990-07-01), Murata et al.
patent: 4944018 (1990-07-01), Bose et al.
patent: 4965850 (1990-10-01), Schloemer
patent: 5034984 (1991-07-01), Bose
Nakajima Yoshiaki
Onoe Seizo
Yasuda Shuji
Kuntz Curtis
Nippon Telegraph and Telephone Corporation
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