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 Online Database of Quasi-Twisted Codes

Binary Quasi-Cyclic Codes

Fill in n, k, q   or  p, m  to find the code parameters(generator polynomials and weight distribution) as well as references.

Block length  n  Matrix  size m  p-QT code p
Dimension k Finite field q Contributor(author)
  

  • Online database of two-weight codes
  • Encyclopedia of Sparse Graph Codes -- David J.C. MacKay
  • Table of Nonlinear Binary Codes(n<512) -- Simon Litsyn, E. M. Rains, N. J. A. Sloane
  • Markus Grassl's Table of linear codes and quantum codes

    • You have new results to be included in the database? Mail them to eric.chen at hkr.se email address

    URL: http://databases.cs.hkr.se/qtcodes/searchqc2.php