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A self-constructed adaptive decision feedback equalizer

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posted on 2017-06-30, 15:44 authored by Yu GongYu Gong, Colin F. Cowan
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 be self-adapted.

Funding

This work was supported by the U.K. Engineering and Physical Sciences Research Council under Grant GR/S00217/01.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

IEEE Signal Processing Letters

Volume

13

Issue

3

Pages

169 - 172

Citation

GONG, Y. and COWAN, C.F., 2006. A self-constructed adaptive decision feedback equalizer. IEEE Signal Processing Letters, 13 (3), pp. 169-172.

Publisher

© IEEE

Version

  • AM (Accepted Manuscript)

Publication date

2006

Notes

(c) 2006 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

ISSN

1070-9908

eISSN

1558-2361

Language

  • en

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