Abstract
This paper presents a class of random orthogonal sequences associated with the number theoretic Hilbert transform. We present a constructive procedure for finding the random sequences for different modulus values. These random sequences have autocorrelation function that is zero everywhere excepting at the origin. These sequences may be used as keys in communication applications in a manner that is analogous to the use of PN sequences in spread spectrum systems.


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Acknowledgments
This research was supported in part by the National Science Foundation Grant CNS-1117068.
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Kak, S. Orthogonal Residue Sequences. Circuits Syst Signal Process 34, 1017–1025 (2015). https://doi.org/10.1007/s00034-014-9879-1
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DOI: https://doi.org/10.1007/s00034-014-9879-1