... associated data symbols that can not be canceled by thefeedback taps. For the special case of K= M,itcanbeseenthat if the data fed back is perfect, the ISI caused by the feed-forward equalizer ... PREVIOUS APPROACHES4.1. Decision-feedback equalizer4.1.1. Equalizer structureThe DFE is composed of a transversal feedforward filter withK + 1-taps (one main tap and K side taps) and a feedbackfilter ... Signals &Systems, Prentice-Hall, Upper Saddle River, NJ, USA, 2nd edi-tion, 1997.[39] A. Batra, J. R. Zeidler, and A. A. Beex, “Mitigation of narrow-band interference using adaptive equalizers,”...