Radio frequency communications system

Details Radio frequency communications system Radio frequency communications system

1995-03-03

1996-07-16

Pham, Chi H.

Telecommunications

Transmitter and receiver at separate stations

455 333, 455 561, 379 59, H04B 726, H04Q 736

Patent

active

055376827

ABSTRACT:
An RF communications system for providing wireless telecommunication service to sixteen contiguous geographic sectors or cells. The system includes an antenna array having a plurality of antenna sites located at the corners of contiguous geographic sectors. The central antenna site has four directional antennas. The four corner towers each have three directional antennas. Each directional antenna illuminates an entire sector. The location of the antenna sites and the allocation of a frequency group for each sector minimizes RF interference.

REFERENCES:
patent: 4128740 (1978-12-01), Graziano
patent: 4144411 (1979-03-01), Frenkiel
patent: 4759051 (1988-07-01), Han
patent: 5067147 (1991-11-01), Lee
patent: 5212830 (1993-05-01), Miller
patent: 5396646 (1995-03-01), Miller
IEEE International Conference on Communications 1985; S. A. Mohamed and J. W. Ballance; 19 Ghz Digital Point-to-Multi-Point Radio System for Local Distribution; Jun. 1985; pp. 736 and 737.

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