A New Iterative Threshold Decoding Algorithm for One Step Majority Logic Decodable Block Codes

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Executive Summary

The performance of iterative decoding algorithm for One-Step Majority Logic Decodable (OSMLD) codes is investigated. The authors introduce a new soft-in soft-out of APP threshold algorithm which is able to decode theses codes nearly as well as Belief Propagation (BP) algorithm. However the computation time of the proposed algorithm is very low. The developed algorithm can also be applied to product codes and parallel concatenated codes based on block codes. Numerical results on both AWGN and Rayleigh channels are provided.

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