Another derivation process of belief propagation algorithm

Generally, soft decoding of low-density parity-check codes can be implemented by iterative decoding based on belief propagation (BP) algorithm. In this paper, the BP algorithm is presented and derived in a way which differs from that by Gallager, which helps to understand iterative decoding of LDPC...

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Bibliographic Details
Main Authors: Jingli Lin, Longjiang Jing, Weile Zhu, Jijun Zheng
Format: Conference Proceeding
Language:English
Online Access:Request full text
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Summary:Generally, soft decoding of low-density parity-check codes can be implemented by iterative decoding based on belief propagation (BP) algorithm. In this paper, the BP algorithm is presented and derived in a way which differs from that by Gallager, which helps to understand iterative decoding of LDPC codes more clearly.
DOI:10.1109/ICCCAS.2007.6247590