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IMAGE TRANSMISSION OVER RAYLEIGH FADING CHANNELS USING TURBO CODES WITH MULTI-DIMENSIONAL CHAOTIC INTERLEAVERS | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 19, Issue 6, 2015, Pages 144-164 | ||
| Authors | ||
| Maher K. M. Al-Azawi; Mustafa J. Kutran | ||
| Abstract | ||
| It is well known that the Turbo codes performance is considerably affected by its Interleaver design, which often has random permutation properties. In this paper we propose deterministic three types of 1-D Chaotic Interleavers based on chaotic dynamics that have a random like behavior to give the Interleaver the required degree of dispersion and correlation factors. Furthermore 2-D and 3-D Chaotic Interleavers are designed to have good separation parameters that have a major impact on the turbo codes performance especially over fading channels. Then, the designed chaotic Interleavers are compared with random one in terms of BER performance for random data and measuring the quality of the received image in terms of their PSNRs. The results show that, the Multi-dimensional Chaotic Interleavers outperform the random one, in terms of both: BER and the quality of the received image. | ||
| Keywords | ||
| Turbo codes; Chaos; Interleaver; Rayleigh channels; Estimation | ||
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