Volume 4, Issue 4 (October 2008)                   IJEEE 2008, 4(4): 127-139 | Back to browse issues page

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R. Kharel, K. Busawon, Z. Ghassemlooy. A Chaos-Based Communication Scheme Using Proportional and Proportional-Integral Observers. IJEEE 2008; 4 (4) :127-139
URL: http://ijeee.iust.ac.ir/article-1-80-en.html
A Chaos-Based Communication Scheme Using Proportional and Proportional-Integral Observers
R. Kharel , K. Busawon , Z. Ghassemlooy
Abstract:   (13388 Views)
In this paper, we propose a new chaos-based communication scheme using the observers. The novelty lies in the masking procedure that is employed to hide the confidential information using the chaotic oscillator. We use a combination of the addition and inclusion methods to mask the information. The performance of two observers, the proportional observer (P-observer) and the proportional integral observer (PI-observer) is compared that are employed as receivers for the proposed communication scheme. We show that the P-observer is not suitable scheme since it imposes unpractical constraints on the messages to be transmitted. On the other hand, we show that the PI-observer is the better solution because it allows greater flexibility in choosing the gains of the observer and does not impose any unpractical restrictions on the message.
Keywords: Chaotic Synchronization , Duffing Oscillator , P & PI-Observers , Secure Communication
Full-Text [PDF 418 kb]   (3158 Downloads)    
Type of Study: Research Paper |
Received: 2008/12/22 | Revised: 2011/07/09 | Accepted: 2011/07/09
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