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IEICE TRANSACTIONS on Communications

Upper Bound on the Cross-Correlation between Two Decimated Sequences

Chang-Min CHO, Wijik LEE, Jong-Seon NO, Young-Sik KIM

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Summary :

In this paper, for an odd prime p, two positive integers n, m with n=2m, and pm≡1 (mod 4), we derive an upper bound on the magnitude of the cross-correlation function between two decimated sequences of a p-ary m-sequence. The two decimation factors are 2 and 2(pm+1), and the upper bound is derived as $ rac{3}{2}p^m + rac{1}{2}$. In fact, those two sequences correspond to the p-ary sequences used for the construction of Kasami sequences decimated by 2. This result is also used to obtain an upper bound on the cross-correlation magnitude between a p-ary m-sequence and its decimated sequence with the decimation factor $d= rac{(p^m +1)^2}{2}$.

Publication
IEICE TRANSACTIONS on Communications Vol.E100-B No.5 pp.837-842
Publication Date
2017/05/01
Publicized
2016/11/28
Online ISSN
1745-1345
DOI
10.1587/transcom.2016EBP3182
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Chang-Min CHO
  Seoul National University
Wijik LEE
  Seoul National University
Jong-Seon NO
  Seoul National University
Young-Sik KIM
  Chosun University

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