On the correlation distribution of the Coulter-Matthews decimation

  • Authors:
  • G. J. Ness;T. Helleseth;A. Kholosha

  • Affiliations:
  • Dept. of Informatics, Univ. of Bergen, Norway;-;-

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

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Abstract

The distribution of the cross correlation between the ternary m-sequence {st} of period n=3m-1 and the decimated sequences {sdt} and {sdt+1} of period (3m-1)/2, where d=3k+1/2 with k odd and gcd(k,m)=1 is determined. The method to find this distribution is related to the result by Coulter and Matthews that f(x)=xd is a planar function over GF(3m).