Chaotic time hopping based multiple access in BPSK-UWB system
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- 作者：Zouhair Ben Jemaa ; zouhair.BenJemaa@enit.rnu.tn" class="auth_mail" title="E-mail the corresponding author ; Safya Belghith
- 关键词：Ultra wide band communication ; Chaotic time hopping ; Multi-access interference ; Chaotic map ; Invariant probability density
- 刊名：Signal Processing
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：120
- 期：Complete
- 页码：644-653
- 全文大小：1577 K
文摘
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Chaos based method of multiple-access in TH-UWB system is proposed.
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Power of multi-user interferences depends on probability density of chaotic map.
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Results are confirmed by computing numerically the BER for two chaotic maps.
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When pulse converges to Dirac system has the same performance as one use BPSK.
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For great number of users proposed method allow better BER than classical method.