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- Publisher
- Inderscience Publishers
- Copyright
- Copyright © Inderscience Enterprises Ltd. All rights reserved
- ISSN
- 1748-0698
- eISSN
- 1748-0701
- DOI
- 10.1504/IJSISE.2012.050323
- Publisher site
- See Article on Publisher Site
Abstract
The quasi-orthogonal characteristic of the chaotic vectors leads to residual cross-correlation which results in Multiuser Interface (MUI) under multiple user scenarios. The effect of MUI increases in proportion to the number of users. In order to eliminate the effect of MUI we propose the use of Orthogonal Chaotic Vector (OCV) as spreading sequence to spread the message data in multi user chaotic communication system. Simulation work is carried out considering both AWGN and fading channel. Analytical expressions for BER are derived for both AWGN and fading channels and are compared with that of simulation results.
Journal
International Journal of Signal and Imaging Systems Engineering – Inderscience Publishers
Published: Jan 1, 2012