Abstract
Motivated by the desire to transmit the maximum possible data rate through a band-limited additive-noise channel with intersymbol interference (ISI), a considerable research effort has been devoted to equalization techniques for such channels. We present a novel scheme that combines decision feedback equalization (DFE) with high-rate error-detection coding in an efficient manner. The proposed scheme is evaluated both analytically and by means of comprehensive computer simulations. In our analysis, we introduce an approximate mathematical model taking into account the error propagation phenomenon. Both evaluation methods show that power savings of 2.5 dB to 3 dB over the conventional DFE can be achieved at the expense of a moderate complexity increase.
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