A Proposed Chaotic-Switched Turbo Coding Design and Its Application for Half-Duplex Relay Channel

Tamer H. M. Soliman, Fengfan Yang and S. Ejaz

Discrete Dynamics in Nature and Society, 2015, vol. 2015, 1-11

Abstract:

Both reliability and security are two important subjects in modern digital communications, each with a variety of subdisciplines. In this paper we introduce a new proposed secure turbo coding system which combines chaotic dynamics and turbo coding reliability together. As we utilize the chaotic maps as a tool for hiding and securing the coding design in turbo coding system, this proposed system model can provide both data secrecy and data reliability in one process to combat problems in an insecure and unreliable data channel link. To support our research, we provide different schemes to design a chaotic secure reliable turbo coding system which we call chaotic-switched turbo coding schemes. In these schemes the design of turbo codes chaotically changed depending on one or more chaotic maps. Extensions of these chaotic-switched turbo coding schemes to half-duplex relay systems are also described. Results of simulations of these new secure turbo coding schemes are compared to classical turbo codes with the same coding parameters and the proposed system is able to achieve secured reasonable bit error rate performance when it is made to switch between different puncturing and design configuration parameters especially with low switching rates.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:818421

DOI: 10.1155/2015/818421

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