Quaternary Codes and Biphase Sequences from \mathbb{Z}_8-Codes

  • Authors:
  • D. V. Zinoviev;P. Solé

  • Affiliations:
  • Institute for Information Transmission Problems, RAS, Moscow zinov@iitp.ru;Laboratoire d'Informatique, Signaux et Systemes de Sophia-Antipolis, CNRS, Nice, France ps@essi.fr

  • Venue:
  • Problems of Information Transmission
  • Year:
  • 2004

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Abstract

Composing the Carlet map with the inverse Gray map, a new family of cyclic quaternary codes is constructed from 5-cyclic \mathbb{Z}_8-codes. This new family of codes is inspired by the quaternary Shanbag–Kumar–Helleseth family, a recent improvement on the Delsarte–Goethals family. We conjecture that these \mathbb{Z}_4-codes are not linear. As applications, we construct families of low-correlation quadriphase and biphase sequences.