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In this paper, the Co-decoding principles of Hamming codes is introduced in brief firstly, on the basis of which, a kind of efficient software error-correcting algorithm is presented . Then the algorithm is verified feasible by use of Visual Basic compiled program .The results show that it is a more simple and flexible to achieve channel coding with the software coding than with hardware.
For the decoding of a binary block code of Hamming distance of d over AWGN channels, a soft-decision decoder is said to achieve bounded-distance (BD) decoding if its squared error-correction radius is equal to d. A Chase-3-like algorithm outputs the best (most likely) codeword in a list of candidates generated by a conventional algebraic binary decoder whose input sequences have nonzero entries confined...
A non-soft decision decoding algorithm for binary linear block codes transmitted over AWGN channel is presented. Unlike soft decision decoding algorithms, the proposed algorithm does not computing weighted Hamming distances. Based on the majority of code word candidates from the hard decision decoding output, the proposed algorithm improves error-correcting performance by 1 dB of coding gain compared...
A list decoder generates a list of more than one codeword candidates, and decoding is erroneous if the transmitted codeword is not included in the list. This decoding strategy can be implemented in a system that employs an inner error correcting code and an outer error detecting code that is used to choose the correct codeword from the list. Probability of codeword error analysis for a linear block...
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