Cross correlation of m-sequences of different lengths
IEEE Transactions on Information Theory
A New Three-Valued Cross Correlation Between -Sequences of Different Lengths
IEEE Transactions on Information Theory
Characterization of -Sequences of Lengths and With Three-Valued Cross Correlation
IEEE Transactions on Information Theory
A New Family of Four-Valued Cross Correlation Between m-Sequences of Different Lengths
IEEE Transactions on Information Theory
On the equation x2l+1+x+a=0 over GF(2k)
Finite Fields and Their Applications
Finite Fields and Their Applications
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Considered is the distribution of the cross correlation betweenm-sequences of length 2 m- 1, wheremis even, and m-sequences of a shorter length 2m/2- 1. Pairs of this type with at mostfour-valued cross correlation are found and the completecorrelation distribution is determined. These results cover thetwo-valued Kasami case and all three-valued decimations foundearlier. Conjectured is that there are no other cases leading to atmost four-valued cross correlation apart from the ones proven hereand except for a single, seemingly degenerate, case.