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Decoding Algorithm by Cooperation Between Hartmann Rudolph Algorithm and a Decoder Based on Syndrome and Hash
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Author(s): My Seddiq El Kasmi Alaoui (LIMSAD Laboratory, Faculty of Sciences Ain Chock, Hassan II University, Casablanca, Morocco)and Said Nouh (TIM Lab, Faculty of Sciences Ben M'sik, Hassan II University, Casablanca, Morocco)
Copyright: 2021
Volume: 10
Issue: 1
Pages: 13
Source title:
International Journal of Natural Computing Research (IJNCR)
DOI: 10.4018/IJNCR.2021010102
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Abstract
In this paper, the authors present a concatenation of Hartmann and Rudolph (HR) partially exploited and a decoder based on hash techniques and syndrome calculation to decode linear block codes. This work consists firstly to use the HR with a reduced number of codewords of the dual code then the HWDec which exploits the output of the HR partially exploited. Researchers have applied the proposed decoder to decode some Bose, Chaudhuri, and Hocquenghem (BCH) and quadratic residue (QR) codes. The simulation and comparison results show that the proposed decoder guarantees very good performances, compared to several competitors, with a much-reduced number of codewords of the dual code. For example, for the BCH(31, 16, 7) code, the good results found are based only on 3.66% of the all codewords of the dual code space, for the same code the reduction rate of the run time varies between 78% and 90% comparing to the use of Hartmann and Rudolph alone. This shows the efficiency, the rapidity, and the reduction of the memory space necessary for the proposed concatenation.
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