Genetic Algorithm Based Equalizer for Ultra-Wideband Wireless Communication Systems
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概要
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In this paper, we propose a genetic algorithm (GA) based equalization approach for direct sequence ultra-wideband (DS-UWB) wireless communication systems, where the GA is combined with a RAKE receiver to combat the inter-symbol interference (ISI) due to the frequency selective nature of UWB channels for high data rate transmission. The proposed GA based equalizer outperforms significantly the RAKE and the RAKE-minimum mean square error (MMSE) receivers according to results obtained from intensive simulation work. The RAKE-GA receiver also provides bit-error-rate (BER) performance very close to that of the optimal RAKE-maximum likelihood detection (MLD) approach, while offering a much lower computational complexity.
- 2010-10-01
著者
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ZHU Xu
Department of Applied Bioscience and Biotechnology, Faculty of Life and Environmental Science
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SURAJUDEEN-BAKINDE Nazmat
Department of Electrical Engineering and Electronics, University of Liverpool
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GAO Jingbo
Department of Electrical Engineering and Electronics, University of Liverpool
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NANDI Asoke
Department of Electrical Engineering and Electronics, University of Liverpool
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Lin Hai
Department Of Electrical And Information Systems Osaka Prefecture University
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Nandi Asoke
Department Of Electrical Engineering And Electronics The University Of Liverpool
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Zhu Xu
Department Of Electrical Engineering And Electronics University Of Liverpool
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Gao Jingbo
Department Of Electrical Engineering And Electronics University Of Liverpool
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Nandi Asoke
Department Of Electrical Engineering And Electronics University Of Liverpool
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Surajudeen-bakinde Nazmat
Department Of Electrical Engineering And Electronics University Of Liverpool
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Zhu Xu
Department of Applied Bioscience and Biotechnology, Faculty of Li and Environmental Science, Research Institute of Molecular Genetics, Shimane University
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