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SYMBOL LEVEL DECODING FOR DUO-BINARY TURBO CODES

Article scientifique 2017 Anglais

Résumé

This paper investigates the performance of three different symbol level decoding algorithms for Duo-Binary Turbo codes. Explicit details of the computations involved in the three decoding techniques, and a computational complexity analysis are given. Simulation results with different couple lengths, code-rates, and QPSK modulation reveal that the symbol level decoding with bit-level information outperforms the symbol level decoding by 0.1 dB on average in the error floor region. Moreover, a complexity analysis reveals that symbol level decoding with bit-level information reduces the decoding complexity by 19.6 % in terms of the total number of computations required for each half-iteration as compared to symbol level decoding.

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Beeharry, Y., Fowdur, T., Soyjaudah, K. (2017). SYMBOL LEVEL DECODING FOR DUO-BINARY TURBO CODES. https://doi.org/10.31436/iiumej.v18i1.661

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Auteur(s)

Yogesh Beeharry Tulsi Pawan Fowdur K. M. S. Soyjaudah

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