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Sparse Complementary Pairs with Additional Aperiodic ZCZ Property
Cheng-Yu Pai, Zilong Liu, Chunlei Li, Chao-Yu Chen · 2023-04-18 · via cs.IT updates on arXiv.org

This paper presents a novel class of complex-valued sparse complementary pairs (SCPs), each consisting of a number of zero values and with additional zero-correlation zone (ZCZ) property for the aperiodic autocorrelations and crosscorrelations of the two constituent sequences. Direct constructions of SCPs and their mutually-orthogonal mates based on restricted generalized Boolean functions are proposed. It is shown that such SCPs exist with arbitrary lengths and controllable sparsity levels, making them a disruptive sequence candidate for modern low-complexity, low-latency, and low-storage signal processing applications.

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