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Performance of multi-user chaos-based DS-CDMA system over multipath channel

Abstract : In this paper, we propose a new approach to compute the exact bit error rate expression for asynchronous chaos-based DS-CDMA system over multipath channel. Perfect estimation of the channel coefficients with the associated delays and chaos synchronization are assumed. A simple RAKE receiver structure is considered. A stationary multipath channel with constant gain is assumed. An asynchronous multi-user chaos-based DS-CDMA system is then defined and the BER is derived in terms of the energy distribution, the number of paths, the noise variances, and the number of users.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-01125996
Contributor : Laboratoire Cedric <>
Submitted on : Friday, March 6, 2015 - 11:36:01 AM
Last modification on : Tuesday, January 21, 2020 - 4:24:06 PM

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  • HAL Id : hal-01125996, version 1

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Georges Kaddoum, Daniel Roviras, Pascal Chargé, Danièle Fournier-Prunaret. Performance of multi-user chaos-based DS-CDMA system over multipath channel. ISCAS 2009. IEEE International Symposium on Circuits and Systems, May 2009, Taipei, Taiwan. pp.2637 - 2640. ⟨hal-01125996⟩

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