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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28788

Title: A modified blind adaptive decision feedback equalizer for underwater acoustic communications
Authors: Fu-Sheng Lu;Sheng-Hui Liao;Shung-Hyung Chang;Ching-Hsiang Tseng;Chin-Pin Chou
Contributors: NTOU:Department of Electrical Engineering
國立臺灣海洋大學:電機工程學系
Date: 2009
Issue Date: 2011-10-21T02:40:30Z
Publisher: 第十一屆水下技術研討會暨國科會成果發表會論文集
Abstract: Abstract:The blind adaptive decision feedback equalizer (BADFE) is more useful than the decision feedback equalizer (DFE) in underwater acoustic (UWA) communications. However, in severe time-varying UWA channels, the BADFE has problems in mean-square error convergence as well as in switching between the starting mode and the tracking mode, and its function is degraded. Soft decision approaches for the BADFE are investigated. The modified equalizer, called SD-BADFE, has better performance than that of ordinary DFE and BADFE. Simulation results show that the SD-BADFE has good convergence rate and low bit error rate even in the severe transmission environments.
Relation: pp.277-284
URI: http://ntour.ntou.edu.tw/handle/987654321/28788
Appears in Collections:[電機工程學系] 演講及研討會

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