Telecommunications – Transmitter and receiver at separate stations
Patent
1989-04-27
1992-06-30
Crosland, Donnie L.
Telecommunications
Transmitter and receiver at separate stations
455 341, 455 511, 455 561, 370 84, 379 60, H04Q 700
Patent
active
051271001
ABSTRACT:
A digital radio communication system includes a plurality of cells for providing two-way digital radio communication. Each of the cells utilizes communication frames having at least one inbound communication slot and at least one outbound communication slot. The frames of each cell are of uniform length. At least some of the cells have different bit rates than other cells. Information about the contiguous cells is provided to the radios operating within a cell. The radio includes a memory for storing information on adjacent cells and the radio can evaluate the signal of adjacent cells for determining an appropriate cell for hand-off purposes.
REFERENCES:
patent: 4731783 (1988-03-01), Fontanes
patent: 4763322 (1988-08-01), Eizenhofer
patent: 4816820 (1989-03-01), Davis
D'Amico Thomas V.
Johnson Brian K. A.
Crosland Donnie L.
Hernandez Pedro P.
Motorola Inc.
Nichols Daniel K.
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