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A self-structured adaptive decision feedback equalizer

delete2006-03-01
delete16
delete
OA
AI
Y
Yu Gong *
C
C.F.N. Cowan
DOI：10.1109/LSP.2005.862601delete
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Abstract

Abstract

En 中文
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.
Keywords:
adaptive algorithm
decision delay
decision feedback equalizer (DFE)
tap-length
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Journal

IEEE Signal Processing Magazine cover
IEEE Signal Processing Magazine
IF:
9.6
Papers:
1.1W
Citations:
1.7W

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