Abstract

Low-density parity check (LDPC) codes are gaining increased attention in information theory field. However one of the main problems facing usage of these codes in communication systems is its high complexity decoding scheme that results in high decoding delay. Such a delay is not acceptable in many applications. This paper presents, a new hybrid decoding scheme. The proposed scheme mixes between soft-decision and hard-decision algorithms and provides a good tradeoff between error performance and decoding delay as proved by simulation results.

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