Telecommunications – Transmitter and receiver at separate stations
Patent
1990-06-29
1991-08-13
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
455 56, 455 67, H04B 714, A04Q 700
Patent
active
050402382
ABSTRACT:
Reusing radio frequency specta in a trunked radio system by establishing small cell trunked radio systems within a large cell trunked radio system wherein low power radio transmission occurs permits multiple small cell trunked radio systems in geographically separate locatiosn to use a limited number of radio resources simultaneously, increasing usage of a finite number of communication resources. As used in cellular telephone systems, very low power trunked radio systems separated from each other can reuse the same frequency without interfering with each other or interfering with a large cell trunked radio system license holder.
REFERENCES:
patent: 4573206 (1986-02-01), Graud et al.
patent: 4578815 (1986-03-01), Persinotti
patent: 4736453 (1988-04-01), Schloemer
patent: 4850033 (1989-07-01), Eizenhofer et al.
Comroe Richard A.
Furtaw Robert W.
Sobti Arun
Charouel Lisa
Eisenzopf Reinhard J.
Krause Joseph P.
Motorola Inc.
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