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The Correlation Distribution of Quaternary Sequences of Period 2(2^n-1)

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3 Author(s)
Aina Johansen ; Dept. of Inf., Bergen Univ., Bergen ; Tor Helleseth ; Xiaohu Tang

Family A is a family of sequences of period 2n - 1 over Zi, the ring of integers modulo 4. This family has optimal correlation properties and its correlation distribution is well known. Two related families of quaternary sequences are the families B and C. These are families of sequences over Z4 of period 2(2n - 1). In recent years, new families of quaternary sequences of period 2(2n - 1) have been constructed by modifying the sequence families B and C in a nonlinear way. This has resulted in a new family D of sequences of period 2(2n - 1) which has optimal correlation properties, but until now the correlation distribution of this family has not been known. In this paper, we completely determine the correlation distribution of family D by making use of properties of exponential sums.

Published in:

IEEE Transactions on Information Theory  (Volume:54 ,  Issue: 7 )