Abstract
Bit-interleaved coded modulation with iterative decoding (BICM-ID) is a bandwidth efficient transmission scheme which is well suitable for next-generation mobile communications. The interleaver design is critical to the high performance of BICM-ID. In this paper we investigate the application of the chaos theory to the interleaver design to further improve the performance of BICM-ID. A new interleaving scheme based on the chaos theory is proposed. Compared with the random interleaver, the proposed approach has the advantages including lower system delay and higher transmission efficiency. Simulation results in both additive white Gaussian noise (AWGN) channel and Rayleigh fading channel are provided, which demonstrates that the new interleaver is better than the random interleaver and exhibits excellent performance when applied to the BICM-ID system.
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Zou, X., Liu, W. & Feng, G. Performance of iteratively decoded bit-interleaved coded modulation with chaos based interleaving strategies. Sci. China Inf. Sci. 53, 833–841 (2010). https://doi.org/10.1007/s11432-010-0077-x
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DOI: https://doi.org/10.1007/s11432-010-0077-x