Bilinear decision feedback equalizer

Details Bilinear decision feedback equalizer Bilinear decision feedback equalizer

1994-04-14

1995-11-28

Chin, Stephen

Pulse or digital communications

Equalizers

Automatic

375229, 375230, 375232, H03H 730

Patent

active

054715040

ABSTRACT:
The present invention comprises an adaptive bilinear decision feedback equalizer to be implemented in a receiver to cancel the intersymbol interference. Basically, the decision feedback equalizer has a feed-forward filter, a feedback filter and a bilinear filter. The equalizer coefficients are determined recursively using an RLS or LMS algorithm.

REFERENCES:
patent: 5327459 (1994-07-01), Hara et al.
Shahid Qureshi "Adaptive Equalization" IEEE Communications Magazine, pp. 9-16, Mar. 1982.
Zoran Fejzo et al. "Cancellation of ISI in Non-linear Voice-Band Data Channels", IEEE ICASSP 93, pp. III-388-III-391, Apr. 1993.
Pedro M. Crespo et al., "Pole-Zero Decision Feedback Equalization with a Rapidly Converging Adaptive IIR Alogorithm", IEEE Journal on Selected Areas in Communications vol. 9, No. 6, pp. 817-829, Aug. 1991.
Junghsi Lee et al., "A Fast Recursive Least Squares Adaptive Second Order Volterra Filter and Its Performance Analyses" IEEE Transactions on Signal Processing vol. 41, No. 3, Mar. 1993, pp. 1087-1102.
Junghsi Lee "Adaptive Polynomial Filtering Algorith", Thesis, Department of Electrical Engineering, University of Utah, 1992.

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