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|Title:||BER performance enhancement for secure wireless communication systems based on chaotic-MIMO techniques|
Jignesh, D., J.
Shripathi, Acharya U.
|Citation:||Proceedings of SPIE - The International Society for Optical Engineering, 2013, Vol.8760, , pp.-|
|Abstract:||The growing interest in the use of chaotic techniques for enabling secure communication in recent years has been motivated by the emergence of a number of wireless services which require the service provider to provide low bit error rates (BER) along with information security. This paper investigates the feasibility of using chaotic communications over Multiple-Input-Multiple-Output (MIMO) channels. While the use of Chaotic maps can enhance security, it is seen that the overall BER performance gets degraded when compared to conventional communication schemes. In order to overcome this limitation, we have proposed the use of a combination of Chaotic modulation and Alamouti Space Time Block Code. The performance of Chaos Shift Keying (CSK) with 2�1 and 2�2 Alamouti schemes for different chaotic maps over wireless channels has been studied. It has been shown that the use of these schemes can provide security enhancement without the penalty of degradation of BER performance. Copyright � 2013 SPIE.|
|Appears in Collections:||2. Conference Papers|
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