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Multi-Threshold Bit Flipping Algorithm for Decoding Structured LDPC Codes
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DOI：10.1109/LCOMM.2014.2373352.png)
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Abstract
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A novel bit-flipping (BF) decoding algorithm is proposed for structured low-density parity-check (LDPC) codes. The proposed BF algorithm which is called multi-threshold bit-flipping (MTBF) algorithm, flips multiple bits by using multiple thresholds at each iteration. It only requires some real operations before iterations and requires only logical operations during the iterations. The MTBF algorithm has lower complexity than the weighted bit-flipping algorithm and its modifications. Simulations show that the proposed algorithm has fast convergence speed and good performance.
Keywords:
Bit flipping
iterative decoding
low-density parity-check codes
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