Radio communication system

Details Radio communication system Radio communication system

1985-04-01

1987-04-07

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375122, 34082501, H04B 702

Patent

active

046566457

ABSTRACT:
A radio communication system comprises transmitting and receiving stations, a plurality of transmission channels comprising regular and spare channels linking the stations, and a channel monitor for monitoring the status of the respective channels. When the respective transmission channels are in normal conditions, data signal is transmitted by making use of not only the regular channel but also the spare channel. On the other hand, when a failure of any one of the transmission channels is detected by the channel monitor, data signal subject to band compression is transmitted via the non-failed channel. The communication system thus configured makes it possible to effectively utilize a spare channel for effecting high quality signal transmission, while maintaining the essential function of the spare channel, this providing an improved utilization of transmission channel.

REFERENCES:
patent: 3124654 (1964-03-01), Raisbeck
patent: 3310742 (1967-03-01), Adams
patent: 3534264 (1970-10-01), Blasbalg et al.
patent: 3536840 (1970-10-01), Sullivan
patent: 3541266 (1965-10-01), Klayman et al.
patent: 3548309 (1970-12-01), Saltzberg et al.
patent: 3935391 (1976-01-01), Weir et al.
patent: 4417348 (1983-11-01), Abbruscato
patent: 4442518 (1984-04-01), Morimoto
"Transmission Systems for Communications" (Fifth edition, 1982) by Members of the Technical Staff, Bell Laboratories.
"Data Transmission" by William R. Bennett et al, Bell Telephone Laboratories.
"Microwave Communication" edited by S. Yonezawa et al, 1963.

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