Low Complexity Weighted Reliability-Based Iterative Decoding of LDPC Codes
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概要
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This letter presents a novel weighted reliability-based (WRB) algorithm for decoding low-density parity-check (LDPC) codes. Viewing the well-known normalized min sum (NMS) algorithm as reliability-based, the WRB algorithm can be seen as a simplified version of the NMS algorithm. Unlike the NMS algorithm, the WRB algorithm does not update the soft information sent between the variable nodes and check nodes, which greatly reduces the decoding complexity. For finite geometry LDPC codes with larger row redundancy and column weights, simulation results show that the WRB algorithm almost matches the error performance of the NMS algorithm.
著者
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Chen Ming
National Chung Hsing University Department Of Materials Science And Engineering
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Li Jiamin
National Mobile Commun. Research Lab. Southeast University
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CHEN Ming
National Monile Communications Research Laboratory, Southeast University
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HUANG Zhiliang
National Monile Communications Research Laboratory, Southeast University
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DIAO Chunjuan
National Monile Communications Research Laboratory, Southeast University
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