Digitally controlled transversal equalizer

Details Digitally controlled transversal equalizer Digitally controlled transversal equalizer

H - Electricity

03

H

328/0.2

H03H 17/00 (2006.01) H04L 27/01 (2006.01)

Patent

CA 1194139

22 DIGITALLY CONTROLLED TRANSVERSAL EQUALIZER ABSTRACT OF THE DISCLOSURE An adaptive equalizer performs equalization at IF, demodulates the input signal and then generates the equalization coefficients at baseband from the demodulated data. Coefficient updating can be done on a non-real time basis and coefficients for individual bursts stored in a coefficient memory for retrieval when the same burst occurs in the next frame, thus obtaining a pseudo-continuous equalization for each burst. In one embodiment, the error signal is derived from demodulated equalized data and correlated with demodulated unequalized data to generate the correla- tion coefficients, and individual error signals from each channel can be combined into a single composite error signal for correlation purposes.

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