Frequency-hopping (FH) spread spectrum and direct-sequence spread spectrum are two main spread-coding technologies. Frequency-hopping sequences are needed in FH code-division multiple-access (CDMA) systems. In this correspondence, three classes of optimal frequency-hopping sequences are constructed with algebraic methods. The three classes are based on perfect nonlinear functions, power functions, and norm functions, respectively. Both individual optimal frequency-hopping sequences and optimal families of frequency-hopping sequences arepresented.
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- direct sequence spread spectrum
- frequency-hopping sequence
- frequency-hopping spread spectrum
- norm function
- perfect nonlinear
Ding, C., Moisio, M. J., & Yuan, J. (2007). Algebraic constructions of optimal frequency-hopping sequences. IEEE Transactions on Information Theory, 53(7), 2606-2610. https://doi.org/10.1109/TIT.2007.899545