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CHEN Xu-can, LIU Dong-pei. Modified Decoding Algorithm of LDPC Codes[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 219-222. doi: 10.3969/j.issn.1001-0548.2010.02.014
Citation: CHEN Xu-can, LIU Dong-pei. Modified Decoding Algorithm of LDPC Codes[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 219-222. doi: 10.3969/j.issn.1001-0548.2010.02.014
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Modified Decoding Algorithm of LDPC Codes

doi: 10.3969/j.issn.1001-0548.2010.02.014
  • 1.

    Computer School,National University of Defense Technology Changsha 410073

  • Received Date: 2008-08-11
  • Rev Recd Date: 2009-12-13
  • Publish Date: 2010-04-15
  • The simple algorithms based on belief propagation algorithm of LDPC codes are studied. A modified algorithm which integrates Row Message Passing schedule with Offset Min-Sum algorithm for decoding LDPC codes is proposed. The proposed algorithm facilitates hardware implementation because it improves the convergence property while its computation complexity is the same as Offset Min-Sum algorithm, and it reduces the storage for the optimized memory method. The simulation results demonstrate that the proposed algorithm reduces the average iterations and quantization implementation memory.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Modified Decoding Algorithm of LDPC Codes

doi: 10.3969/j.issn.1001-0548.2010.02.014
  • 1. Computer School,National University of Defense Technology Changsha 410073
  • Received Date: 2008-08-11
  • Rev Recd Date: 2009-12-13
  • Publish Date: 2010-04-15

Abstract: The simple algorithms based on belief propagation algorithm of LDPC codes are studied. A modified algorithm which integrates Row Message Passing schedule with Offset Min-Sum algorithm for decoding LDPC codes is proposed. The proposed algorithm facilitates hardware implementation because it improves the convergence property while its computation complexity is the same as Offset Min-Sum algorithm, and it reduces the storage for the optimized memory method. The simulation results demonstrate that the proposed algorithm reduces the average iterations and quantization implementation memory.

CHEN Xu-can, LIU Dong-pei. Modified Decoding Algorithm of LDPC Codes[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 219-222. doi: 10.3969/j.issn.1001-0548.2010.02.014
Citation: CHEN Xu-can, LIU Dong-pei. Modified Decoding Algorithm of LDPC Codes[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 219-222. doi: 10.3969/j.issn.1001-0548.2010.02.014
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