Decision Feedback Blind Equalization Algorithm Based on Momentum and Orthogonal Wavelet Packet Transform

被引：0

作者：

Zhu Jie ^{[1
]}

Guo Ye-cai ^{[2
]}

Yang Chao ^{[3
]}

机构：

[1] Huainan Normal Univ, Dept Phys & Elect Informat, Huainan 232001, Peoples R China

[2] Nanjing Univ Informat Sci & Technol, Coll Elect & Informat Engn, Nanjing 210044, Peoples R China

[3] Anhui Univ Sci & Technol, Huainan 232001, Anhui, Peoples R China

来源：

2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年

关键词：

blind equalization; underwater acoustic channels; decision feedback orthogonal wavelet packet transform; momentum algorithm;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Towards the nonlinear underwater acoustic channels with the severe linear distortion, based on the fast de-correlation characteristic of wavelet packet transform, a decision feedback blind equalization Algorithm based on Momentum and Orthogonal Wavelet Packet Transform (MWPT-DFE) is proposed, which is derived by revising the iteration equation of forward weight vector for decision feedback structure blind equalizer. Comparing with normal decision feedback blind equalization algorithm (DFE) and the decision feedback blind equalization algorithm based on orthogonal wavelet Packet transform (WPT-DFE), the new algorithm has fast convergence, good performance for tracking and smaller MSE. The efficiency of the proposed algorithm is proved by computer simulation in underwater acoustic channels.

引用

页码：2161 / +

页数：2

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