Method and device for decoding blocks encoded with an LDPC code

Details Method and device for decoding blocks encoded with an LDPC code Method and device for decoding blocks encoded with an LDPC code

2007-08-06

2011-10-25

Abraham, Esaw (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S786000

Reexamination Certificate

active

08046658

ABSTRACT:
A method is for decoding a succession of blocks of data encoded with an LDPC code. The method includes storing the blocks temporarily and successively in an input memory before decoding the blocks successively in an iterative manner, the input memory having a memory size for storage of at least two blocks, and defining a current indication representative of a threshold number of iterations for decoding a current block. The method includes decoding the current block until a decoding criterion is satisfied or so long as a number of iterations performed for decoding the current block has not reached the current indication while at least one of a first subsequent block and a part of a second subsequent block are stored in the input memory, and updating the current indication for decoding the first subsequent block as a function of the number of iterations performed for decoding the current block.

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Bhatt et al., “Pipelined Block-Serial Decoder Architecture for Structured LDPC Codes,”ICASSP 2006, Proceedings of the International Conference on Acoustics, Speech and Signal Processing, Toulouse, France, May 14-19, 2006, pp. IV-225-IV-228.

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