Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1994-09-06
1999-03-23
Chin, Wellington
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 15, 455 17, 455 20, 455524, 455561, H04Q 0722
Patent
active
058872612
ABSTRACT:
A digital cellular radio communication system having a remote repeater is provided. The communication system includes a central communication site which: transmits and receives signals in a first radio channel assigned according to a cellular communication system channel reuse plan, transmits signals to and receives signals from a cellular communication network unit, and digitally processes received signals for subsequent transmission in the first radio channel or to the cellular communication network unit. The communication system further includes a remote communication site, substantially remotely located from the central communication site, which: receives a signal in either the first radio channel or a second radio channel assigned according to the cellular communication system channel reuse plan, channel shifts the received signal between the first and the second radio channels, and transmits the shifted signal in the other of the first and the second radio channels.
REFERENCES:
patent: 3737774 (1973-06-01), Verhagen
patent: 4128740 (1978-12-01), Graziano
patent: 4578815 (1986-03-01), Persinotti
patent: 4718108 (1988-01-01), Davidson et al.
patent: 4893349 (1990-01-01), Eastmond et al.
patent: 5038399 (1991-08-01), Bruckert
patent: 5278991 (1994-01-01), Ramsdale et al.
patent: 5442681 (1995-08-01), Kotzin et al.
Chen Brian Cheng-Jean
Csapo John
Hallman Kenneth Blake
Chin Wellington
Creps Heather L.
Motorola Inc.
Sobutka Philip J.
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