A DFE coefficient placement algorithm for sparse reverberant channels

Michael J. Lopez, Andrew C. Singer

Research output: Contribution to journalLetter

Abstract

We develop an automated algorithm for determining the number and sparsely supported locations of coefficients in a multi-element array decision-feedback equalizer based on an estimated channel response. We aim for robustness to a wide variety of possible channel conditions, especially through taking advantage of the interplay between the MMSE-optimal feedforward and feedback filters.

Original languageEnglish (US)
Pages (from-to)1334-1338
Number of pages5
JournalIEEE Transactions on Communications
Volume49
Issue number8
DOIs
StatePublished - Aug 1 2001

Keywords

  • Adaptive equalizers
  • Decision feedback equalizers
  • Reduced order systems
  • Time-varying channels
  • Underwater acoustic communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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