Directional frequency allocation in an N=6 cellular radio system

Details Directional frequency allocation in an N=6 cellular radio system Directional frequency allocation in an N=6 cellular radio system

1996-06-20

1998-09-01

Eisenzopf, Reinhard J.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455450, H04Q 720

Patent

active

058024743

ABSTRACT:
The process of the present invention is based on a tri-cellular platform where nine, or a multiple of nine, frequency groups are directionalized and reused in the same direction. Directional antennas are located in the center of the tri-cell group. Each antenna radiates into a 120.degree. sector of each cell, effectively radiating the entire cell from the corner. The reused frequency groups are aligned along the 0.degree., 120.degree., and 240.degree. axes of each tri-cell group. The frequency groups are reused in the same direction along each axis, reducing the number of dominant interfering cells to one.

REFERENCES:
patent: 4128740 (1978-12-01), Graziano
patent: 5247699 (1993-09-01), Hartman
patent: 5402413 (1995-03-01), Dixon
patent: 5428818 (1995-06-01), Meidan et al.
Michel Mouly, Regular Cellular Reuse Patterns, Jul. 1991, IEEE, pp. 681-688 .

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