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Volume 32 Issue 3
Aug.  2010
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Lin Guo-qing, Chen Ru-wei, Wang Xin-mei, Xiao Guo-zhen . Construction of Quasi-Cyclic LDPC Codes From Prime Fields[J]. Journal of Electronics & Information Technology, 2010, 32(3): 609-612. doi: 10.3724/SP.J.1146.2009.00208
Citation: Lin Guo-qing, Chen Ru-wei, Wang Xin-mei, Xiao Guo-zhen . Construction of Quasi-Cyclic LDPC Codes From Prime Fields[J]. Journal of Electronics & Information Technology, 2010, 32(3): 609-612. doi: 10.3724/SP.J.1146.2009.00208

Construction of Quasi-Cyclic LDPC Codes From Prime Fields

doi: 10.3724/SP.J.1146.2009.00208
  • Received Date: 2009-02-20
  • Rev Recd Date: 2009-08-18
  • Publish Date: 2010-03-19
  • This paper presents a method to construct quasi-cyclic LDPC codes from prime fields. This method is a generalization of a method proposed by Lan et al to construct quasi-cyclic LDPC codes based on finite fields, and gives a much larger class of quasi-cyclic LDPC codes based on prime fields. Simulations show that quasi-cyclic LDPC codes constructed by the proposed method perform well over AWGN channels with iterative decoding.
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  • Gallager R G. Low density parity check codes[J]. IEEEInformation Theory, 1962, IT-8( 1): 21-28.[2]MacKay D J C and Neal R M. Near Shannon limitperformance of low density parity check codes[J].IEEElectron. Letters.1996, 32(18):1645-1646[3]Dai Y, Yan Z, and Chen N. Optimal overlapped messagepassing decoding of quasi-cyclic LDPC codes[J]. IEEE VeryLarge Scale Integration Systems, 2007, 16(5): 565-578.[4]LiZ, Chen L, Zeng L, Lin S, and Fong W. Efficient encodingof quasi-cyclic low-density parity-check codes[J]. IEEECommunication, 2006, 54(1): 71-81.[5]Wang Z and Cui Z. A memory efficient partially paralleldecoder architecture for QC-LDPC codes[J].IEEE VeryLarge Scale Integration Systems.2007, 15(4):483-488[6]Lan L, Zeng L Q Y, Tai Y, Chen L, Lin S, and Abdel-GhaffarK. Construction of quasi-cyclic LDPC codes for AWGN andbinary erasure channels: A finite field approach[J].IEEEInformation Theory.2007, 53(7):2429-2458
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