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Observing a phenomenon that the pre-image set of nonzero Hadamard spectra of the composition of a function and a trace function is independent of the function, a construction of multiple bent function signal sets using different bent functions is given. Their correlation and high-order shift-distinct property are discussed. As a by-product, the union of the multiple bent function signal sets produces...
In this paper, we introduce a concept of correlation of multiple shift-distinct signal sets, and make a connection between constructions of multiple binary signal sets with low maximum correlation and constructions of a binary signal set with larger size and low maximum correlation. We then present one construction for multiple shift-distinct binary signal sets with low maximum correlation using Kasami...
Multiple access interference (MAI) in CDMA system is related to the correlation of the transmitted signals from multiple users. In this work, we investigate the correlations of binary signal sets over fading channels, particularly the Gold and Kasami signal sets. A lower bound on the maximum correlation with fading is established. Moreover, an asymptotic bound depending on the length of the sequence...
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