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Stochastic decoding of LDPC codes

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3 Author(s)
Tehrani, S.S. ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que. ; Gross, W.J. ; Mannor, S.

This letter presents the first successful method for iterative stochastic decoding of state-of-the-art low-density parity-check (LDPC) codes. The proposed method shows the viability of the stochastic approach for decoding LDPC codes on factor graphs. In addition, simulation results for a 200 and a 1024 length LDPC code demonstrate the near-optimal performance of this method with respect to sum-product decoding. The proposed method has a significant potential for high-throughput and/or low complexity iterative decoding.

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Communications Letters, IEEE  (Volume:10 ,  Issue: 10 )