Design of piecewise linear polyphase sequences with good correlation properties. Soltanalian, M., Stoica, P., Naghsh, M. M., & De Maio, A. In 2014 22nd European Signal Processing Conference (EUSIPCO), pages 1297-1301, Sep., 2014.
Design of piecewise linear polyphase sequences with good correlation properties [pdf]Paper  abstract   bibtex   
In this paper, we devise a computational approach for designing polyphase sequences with two key properties; (i) a phase argument which is piecewise linear, and (ii) an impulse-like autocorrelation. The proposed approach relies on fast Fourier transform (FFT) operations and thus can be used efficiently to design sequences with a large length or alphabet size. Moreover, using the suggested method, one can construct many new such polyphase sequences which were not known and/or could not be constructed by the previous formulations in the literature. Several numerical examples are provided to show the performance of the proposed design framework in different scenarios.

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