Modified Weighted Bit Flipping Algorithm based on Intrinsic Information for LDPC Codes

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Abstract:

This paper proposes a modified bit flipping algorithm and its weighted variants based on reliability derived from intrinsic information. Compared to other existing algorithms where extrinsic information based reliability was used in the flipping function, here intrinsic information based reliability is also equally considered. This algorithm only uses additions and subtractions to modify reliability as compared to other reliability based BF algorithms, which use multiplications and divisions. Hence, it offers good performance with a minimal increase in computational complexity.

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cited By 0; Conference of 2017 International Conference on Advances in Computing, Communications and Informatics, ICACCI 2017 ; Conference Date: 13 September 2017 Through 16 September 2017; Conference Code:133501