Lower Bounds on Stopping Distance of Linear Codes and Their Applications

نویسندگان

  • Mingrui Zhu
  • Keith M. Chugg
چکیده

One of the most important open problems in the communication society is to determine the performance of iterative message passing algorithms over loopy graphs. Some recent work addresses this problem for loopy Tanner graphs by introducing the concepts of stopping distance and stopping redundancy. By analyzing the eigenvalues and eigenvectors of the normalized incidence matrix representing a Tanner graph, we derive lower bounds on its stopping distance. Using these lower bounds, an upper bound on stopping redundancy of the difference-set codes is derived as well.

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تاریخ انتشار 2005