Method and apparatus for producing diversity gain of a received

Details Method and apparatus for producing diversity gain of a received Method and apparatus for producing diversity gain of a received

1994-03-28

1996-08-20

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

4552761, 455273, 455 523, 455 65, 375347, 343757, H04B 708

Patent

active

055488374

ABSTRACT:
A receiver (100) that includes an antenna (101) employs a method and apparatus for producing diversity gain of a signal (106) received by the antenna (101), wherein the signal (106) is subject to a time-variant fading condition. Upon receiving the signal (106), the receiver (100) determines a signal quality metric of the signal (106) and compares the signal quality metric to a quality threshold. When the signal quality metric is below the quality threshold, the receiver (100) orients a predetermined antenna pattern (304) of the antenna (101) to improve the signal quality metric, thereby producing the diversity gain.

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patent: 3996592 (1976-12-01), Kline et al.
patent: 4458249 (1984-07-01), Valentino et al.
patent: 4777653 (1988-10-01), Bonnerot et al.
patent: 5117236 (1992-05-01), Chang et al.
patent: 5117503 (1992-05-01), Olson
patent: 5303240 (1994-04-01), Borras et al.
"High Speed Antenna" Rich Kommrusch Technical Developments, vol. 18, Motorola, Inc. Schaumburg, Illinois, Mar. 1993 p. 84.
"Wideband Phased Array Element With Rotatable Linear Polarization" George Scherer and Wolodymyr Mohuchy IIT Avionics Division Twenty-third U.S. Air Force Antenna Symposium Robert Allerton Park, Illinois, Oct. 1973 pp. 1-13 .

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