Cellular communication system with virtual antennas

Details Cellular communication system with virtual antennas Cellular communication system with virtual antennas

2006-10-17

2006-10-17

Gelin, Jean (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S562100, C455S500000

Reexamination Certificate

active

07123919

ABSTRACT:
In a cellular communication network, capacity in a cell is increased by placing antennas transmitting different signals on the same carrier frequency at separated signal transmission and virtual site locations in the cell, rather than at the center of the cell. A receiver includes multiple antennas using spatial diversity, such as beamforming and cancellation, to extract the desired signal.

REFERENCES:
patent: 4144411 (1979-03-01), Frenkiel
patent: 4651155 (1987-03-01), Baurle et al.
patent: 5357257 (1994-10-01), Nevin
patent: 5900825 (1999-05-01), Pressel et al.
patent: 6052599 (2000-04-01), Driessen
patent: 6480524 (2002-11-01), Smith et al.
patent: 6760593 (2004-07-01), Driessen

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