Multi-Threshold Bit Flipping Algorithm for Decoding Structured LDPC Codes

PROJECT TITLE :

Multi-Threshold Bit Flipping Algorithm for Decoding Structured LDPC Codes

ABSTRACT:

A novel bit-flipping (BF) decoding algorithm is proposed for structured low-density parity-check (LDPC) codes. The proposed BF algorithm that is called multi-threshold bit-flipping (MTBF) algorithm, flips multiple bits by using multiple thresholds at every iteration. It solely needs some real operations before iterations and requires only logical operations throughout the iterations. The MTBF algorithm has lower complexity than the weighted bit-flipping algorithm and its modifications. Simulations show that the proposed algorithm has quick convergence speed and sensible performance.

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