Decoding the (47,24,11) quadratic residue code

  • Authors:
  • Ruhua He;I. S. Reed;Trieu-Kien Truong;Xuemin Chen

  • Affiliations:
  • Hughes Network Syst., San Diego, CA;-;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 2006

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Abstract

The techniques needed to decode the (47,24,11) quadratic residue (QR) code differ from the schemes developed for cyclic codes. By finding certain nonlinear relations between the known and unknown syndromes for this special code, two methods are developed to decode up to the true minimum distance of the (47,24,11) QR code. These algorithms can be utilized to decode effectively the ½-rate (48,24,12) QR code for correcting five errors and detecting six errors