Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1995-10-20
1998-12-08
Le, Thanh Cong
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455137, 4552761, 4552772, H04B 708
Patent
active
058483616
ABSTRACT:
This invention relates to radio communication systems and provides a signal combiner for a radio communications system having a number of receiving antennas. The signal combiner receives signals from all receiving antennas and provides a combination technique with performance close to optimal (maximal ratio) combiners but without the complexity. The invention provides a base station (10) arrangement which only processes the outputs from antennas (12) which contribute positively to the overall system carrier-to-noise ratio.
REFERENCES:
patent: 4278978 (1981-07-01), Easterling
patent: 4856080 (1989-08-01), Hulkko
patent: 5335010 (1994-08-01), Lindemeier et al.
William C.Y. Lee "Mobile Cellular Telecommunications Systems" pp. 382-390, McGraw-Hill Book Company, 1989.
Cong Le Thanh
Northern Telecom Limited
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