Expander codes

  • Authors:
  • M. Sipser;D. A. Spielman

  • Affiliations:
  • Dept. of Math., MIT, Cambridge, MA;-

  • Venue:
  • IEEE Transactions on Information Theory - Part 1
  • Year:
  • 2006

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Abstract

Using expander graphs, we construct a new family of asymptotically good, linear error-correcting codes. These codes have linear time sequential decoding algorithms and logarithmic time parallel decoding algorithms that use a linear number of processors. We present both randomized and explicit constructions of these codes. Experimental results demonstrate the good performance of the randomly chosen codes