A self-structured adaptive decision feedback equalizer

Yu Gong, Colin Cowan

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In a decision feedback equalizer (DFE), the structural parameters, including the decision delay, the feedforward filter (FFF), and feedback filter (FBF) lengths, must be carefully chosen, as they greatly influence the performance. Although the FBF length can be set as the channel memory, there is no closed-form expression for the FFF length and decision delay. In this letter, first we analytically show that the two-dimensional search for the optimum FFF length and decision delay can be simplified to a one-dimensional search and then describe a new adaptive DFE where the optimum structural parameters can he self-adapted.
Original languageEnglish
Pages (from-to)169-172
Number of pages4
JournalIEEE Signal processing Letters
Volume13
Issue number3
DOIs
Publication statusPublished - Mar 2006

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering

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