New cyclic relative difference sets constructed from d-homogeneous functions with difference-balanced property

  • Authors:
  • S. -H. Kim;J. -S. No;H. Chung;T. Helleseth

  • Affiliations:
  • Sch. of Electron. & Electr. Eng., Hong-Ik Univ., Seoul, South Korea;-;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 2005

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Abstract

For a prime power q, we show that a cyclic relative difference set with parameters (qn-1/q-1,q-1,qn-1,qn-2) can be constructed from a d-homogeneous function from Fqn/{0} onto Fq with difference-balanced property, where Fqn is the finite field with qn elements. This construction method enables us to construct several new cyclic relative difference sets with parameters (pn-1/pl-1,pl-1,pn-l,pn-2l) from p-ary sequences of period pn-1 with ideal autocorrelation property introduced by Helleseth and Gong. Using a lifting idea, other new cyclic relative difference sets can be constructed from the Helleseth-Gong (HG) sequences. Also, the 3-ranks and the trace representation of the characteristic sequences of cyclic relative difference sets from a specific class of ternary HG sequences and ternary Lin sequences are derived.