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A Property of a Class of Gaussian Periods and Its Application

Yuhua SUN, Qiang WANG, Qiuyan WANG, Tongjiang YAN

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Summary :

In the past two decades, many generalized cyclotomic sequences have been constructed and they have been used in cryptography and communication systems for their high linear complexity and low autocorrelation. But there are a few of papers focusing on the 2-adic complexities of such sequences. In this paper, we first give a property of a class of Gaussian periods based on Whiteman's generalized cyclotomic classes of order 4. Then, as an application of this property, we study the 2-adic complexity of a class of Whiteman's generalized cyclotomic sequences constructed from two distinct primes p and q. We prove that the 2-adic complexity of this class of sequences of period pq is lower bounded by pq-p-q-1. This lower bound is at least greater than one half of its period and thus it shows that this class of sequences can resist against the rational approximation algorithm (RAA) attack.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.12 pp.2344-2351
Publication Date
2018/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.2344
Type of Manuscript
Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category
Communication Theory and Signals

Authors

Yuhua SUN
  China University of Petroleum,Shandong Provincial Key Laboratory of Computer Networks,Carleton University
Qiang WANG
  Carleton University
Qiuyan WANG
  Tianjin Polytechnic University
Tongjiang YAN
  China University of Petroleum,Fujian Province University

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