Pulse or digital communications – Repeaters – Testing
Patent
1990-04-04
1993-01-12
Chin, Stephen
Pulse or digital communications
Repeaters
Testing
375100, 455137, H03H 730, H03H 740, H04L 102
Patent
active
051795752
ABSTRACT:
A receiver for processing signals transmitted through a dispersive medium which receiver provides received signals at a plurality of diversity channels and uses adaptive equalizer circuitry for providing an adaptive weighted equalizer output signal. An error signal is derived at an error circuit in response to the equalizer output signal and to a reference signal, the error signal being correlated at a correlator with the adaptive weighting signals at each weighting section of the adaptive equalizer circuitry to generate weighting factors for use in such weighting sections. Scale factor circuitry responds to a signal having an amplitude which is a reliable estimate of the amplitude of the adaptive equalizer output signal and to the reference signal to provide a scale factor by which the reference signal is multiplied at a multiplier prior to its use in deriving the error signal.
REFERENCES:
patent: 3879664 (1975-04-01), Monsen
patent: 4112370 (1978-09-01), Monsen
patent: 4271525 (1981-06-01), Watanabe
patent: 4328585 (1982-05-01), Monsen
patent: 4718073 (1988-01-01), Takaoka
patent: 4747068 (1988-05-01), Voorman et al.
Letteney, executor by George R.
Pierce, deceased John N.
Bocure Tesfaldet
Chin Stephen
Sundstrand Corporation
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