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Performance analysis of physical layer security of chaos-based modulation schemes


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Kong, Long, Kaddoum, Georges et Taha, Mostafa. 2015. « Performance analysis of physical layer security of chaos-based modulation schemes ». In IEEE 11th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob) (Abu Dhabi, United Arab Emirates, Oct. 19-21, 2015) pp. 283-288. IEEE.
Compte des citations dans Scopus : 1.

Kaddoum G. 2015 10575 Performance Analysis of Physical Layer Security of Chaos-based Modulation Schemes.pdf

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Chaos-shift-keying (CSK) and differential CSK (DCSK) are the two popular coherent and non-coherent mod- ulation schemes for ultra wide-band (UWB) communications. However, security of these schemes has never been studied formally from the information-theoretic perspective. In this paper, we investigate the physical layer security of CSK and DCSK modulation schemes over AWGN and Rayleigh fading channels from the information-theoretic manner. For this aim, the average secrecy capacity and outage probability are computed and analyzed by considering the variation of bit energy Eb coming from the use of chaotic signal to convey information. Our results show that CSK has better or close secrecy capacity and outage probability compared with DCSK and the conventional spread-spectrum modulation. Additionally, these metrics favor Rayleigh fading channels over AWGN channels. Finally, we conclude that the non-constant bit energy is useful to enhance the physical layer security.

Item Type: Conference proceeding
Additional Information: Eight IEEE International Workshop on Selected Topics in Wireless and Mobile computing (STWiMob)
Kaddoum, Georges
Affiliation: Génie électrique
Date Deposited: 15 Sep 2015 18:00
Last Modified: 08 Jan 2016 19:40

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