A Modification Method for Constructing Low-Density Parity-Check Codes for Burst Erasures

  • Authors:

  • Gou Hosoya;Hideki Yagi;Toshiyasu Matsushima;Shigeichi Hirasawa

  • Affiliations:

  • The authors are with the Department of Industrial and Management Systems Engineering, School of Science and Engineering, Waseda University, Tokyo, 169-8555 Japan. E-mail: hosoya@hirasa.mgmt.waseda ...;The author is with the Media Network Center, Waseda University, Tokyo, 169-8050 Japan.;The authors are with the Department of Industrial and Management Systems Engineering, School of Science and Engineering, Waseda University, Tokyo, 169-8555 Japan. E-mail: hosoya@hirasa.mgmt.waseda ...;The authors are with the Department of Industrial and Management Systems Engineering, School of Science and Engineering, Waseda University, Tokyo, 169-8555 Japan. E-mail: hosoya@hirasa.mgmt.waseda ...

  • Venue:
  • IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  • Year:
  • 2006

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Abstract

We study a modification method for constructing low-density parity-check (LDPC) codes for solid burst erasures. Our proposed modification method is based on a column permutation technique for a parity-check matrix of the original LDPC codes. It can change the burst erasure correction capabilities without degradation in the performance over random erasure channels. We show by simulation results that the performance of codes permuted by our method are better than that of the original codes, especially with two or more solid burst erasures.