Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-06-20
1998-03-31
Urban, Edward F.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455446, 455447, 455449, H04Q 720
Patent
active
057349835
ABSTRACT:
The N=4 frequency layout plan of the present invention is based on dividing up the available frequencies into 12 or a multiple of 12 frequency groups. These groups are then distributed evenly and alternately among four tri-cell groups. Each tri-cell group is comprised of three identical cells that are driven by a single source located in the center of the tri-cell group. In the preferred embodiment, the frequency distribution is a horizontal distribution of first the odd frequencies then the even frequencies so that there are no adjacent channels.
REFERENCES:
patent: 5073971 (1991-12-01), Schaeffer
patent: 5111534 (1992-05-01), Benner
patent: 5233643 (1993-08-01), Naeini et al.
patent: 5247699 (1993-09-01), Hartman
patent: 5365571 (1994-11-01), Rha et al.
Michel Mouly, Regular Cellular Reuse Patterns, Jul. 1991, IEEE, pp. 681-688 .
Arthur Gertrude
Bolvin Kenneth W.
Northern Telecom Limited
Urban Edward F.
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