Construction and performance analysis of diagonally shifted column structured RPM based regular quasi cyclic-LDPC codes with girth 10

  • Authors

    2018-10-14
    https://doi.org/10.14419/ijet.v7i4.18644
  • Circulant and Diagonal Shifting, Frame Error Rate, Girth 10, Log Domain Sum Product Algorithm, QC-LDPC Codes, Random Permutation Matrix Semicolon.

  • In this manuscript, QC-LDPC (Quasi Cyclic Low-Density Parity Check Codes) are constructed by the diagonally Shifted Column structured Random Permutation Method (RPM) with girth 10. In this proposed method, Random Permutation based Parity Check Matrix, Base Matrix and Zero Matrices has been constructed with a column structured approach using Lower Upper decomposition technique. The row-column mapping Technique is applied to create the sparse behavior of Regular RPM based Quasi Cyclic LDPC Codes. The construction of code is obtainable by means of column weight three and row weight six. Those codes are decoded with Log Domain Sum Product Algorithm. The constructed Sparse Regular RPM-QC-LDPC Codes have low error performance and compared with other existing results.

     

     

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    Pratap Singh Mathur, J., & Pandey, A. (2018). Construction and performance analysis of diagonally shifted column structured RPM based regular quasi cyclic-LDPC codes with girth 10. International Journal of Engineering & Technology, 7(4), 4722-4725. https://doi.org/10.14419/ijet.v7i4.18644