Minimum mean-squared error impulse response shortening for discrete multitone transceivers

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Donnacha Daly, Conor Heneghan, Anthony D. Fagan

Published: 01 Jan 2004, Last Modified: 07 Oct 2025IEEE Trans. Signal Process. 2004EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: We reformulate the minimum mean squared error (MMSE) solution for time domain equalization (TEQ) in multitone transceivers. We show that the maximum shortening signal-to-noise ratio (MSSNR) and minimum intersymbol interference (min-ISI) TEQs are particular cases of our new formulation. With good channel estimation, the MMSE-TEQ achieves near-optimal rate performance. Our algorithm is less sensitive to channel estimation errors than other methods.