Patent ID: 7453935
Filing Date: 2008-11-18
Classification: G01R,H04B,H04L

Abstract:
1. An integrated circuit communication device comprising: a decoder circuit operable to receive and decode at least one intersymbol interference (ISI) compensated signal sample, and to generate tentative decisions and a final decision; a decision feedback equalizer coupled in feedback fashion to the decoder circuit, the decision feedback equalizer including a set of low-ordered coefficients and a set of high-ordered coefficients, the decision feedback equalizer operable to generate a digital signal that is partially ISI-compensated based on the tentative decisions and the high-ordered coefficients; and a multiple-decision feedback equalizer coupled to the decision feedback equalizer, the multiple-decision feedback equalizer combining a set of pre-computed values with the digital signal to produce a set of potential digital signals, one of the potential digital signals being substantially compensated for ISI.