A new adaptive functional-link neural-network-based DFE for overcoming co-channel interference

被引:38
作者
Hussain, A [1 ]
Soraghan, JJ [1 ]
Durrani, TS [1 ]
机构
[1] UNIV STRATHCLYDE,DEPT ELECT & ELECT ENGN,DIV SIGNAL PROC,GLASGOW G1 1XW,LANARK,SCOTLAND
关键词
co-channel interference suppression; decision feedback equalizers; neural networks;
D O I
10.1109/26.649741
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
A new approach for the decision feedback equalizer (DFE) based on the functional-link neural network is described, The structure is applied to the problem of adaptive equalization in the presence of intersymbol interference (ISI), additive white Gaussian noise, and co-channel interference (CGI), It is shown through simulation results for a severe amplitude distorted cochannel system that the decision feedback functional-link equalizer (DFFLE) provides significantly superior bit-error rate (BER) performance characteristics compared to the conventional DFE, the linear transversal equalizer (LTE), the nonlinear radial basis function (RBF) neural-network-based structures and the feedforward functional-link equalizer (FFLE)-based structures, The DFFLE is also shown to have a significantly Simpler computational requirement relative to the RBF and the FFLE.
引用
收藏
页码:1358 / 1362
页数:5
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