一种新的软判决反馈盲均衡器去相关算法

TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI:10.1109/TELSKS.2005.1572106

V. Krstic, Z. Petrovíc

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引用次数: 0

摘要

本文提出了一种基于DFE切换结构模型的软决策反馈盲均衡器(soft DFE)去相关算法。该算法采用联合熵最大化(JEM)框架，适合在随机梯度算法中直接引入理想的非线性。仿真结果表明，与现有硬DFE解相比，基于JEM算法的高效去相关算法具有更好的收敛速度和切换鲁棒性。

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A new decorrelation algorithm for a soft decision feedback blind equalizer

This paper proposes a new decorrelation algorithm for a soft decision feedback blind equalizer (soft DFE) based on a DFE switching structure model. The algorithm is developed using joint entropy maximization (JEM) framework suitable for introducing a desirable nonlinearity directly into the stochastic gradient algorithm. Simulation results have shown that an efficient decorrelation based on JEM algorithm provides a better convergence rate and switching robustness than the existing hard DFE solution.

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TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services

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