Efficient computation of the delay-optimized finite length MMSE-DFE

Authors:
N. Al-Dhahir;J.M. Ciofa
Affiliations:
GE Corp. Res. & Dev., Schenectady, NY;-
Venue:
IEEE Transactions on Signal Processing
Year:
1996

Citing 0
Cited 2

Mitigating error propagation of MMSE-DFE by joint parameter optimization

IEEE Transactions on Communications
A new fast householder-based fractionally-spaced FIR MMSE-DFE computation algorithm and its real-time implementation

IEEE Communications Letters

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Abstract

We present new fast algorithms for computing the optimum settings of a finite-length minimum-mean-square-error decision feedback equalizer (MMSE-DFE) from channel and noise estimates. These algorithms are based on displacement structure theory and generalize the algorithms of Al-Dhahir and Cioffi (see ibid., vol.43, no.11, 1995) by including delay optimization. Both symbol-spaced and fractionally spaced feedforward filters are considered