Tootfinder

On the Use of Bj\"orck Sequences in LEO-based PNT Systems
Harish K. Dureppagari, Chiranjib Saha, R. Michael Buehrer, Harpreet S. Dhillon
https://arxiv.org/abs/2506.00706

On the Use of Björck Sequences in LEO-based PNT Systems
In this paper, we investigate the use of Björck sequences, a class of constant amplitude zero autocorrelation (CAZAC) sequences, as a potential candidate for the design of positioning reference signals (PRS) in Low Earth Orbit (LEO)-based positioning, navigation, and timing (PNT) systems. Unlike legacy systems such as Global Navigation Satellite Systems (GNSS) or terrestrial networks (TNs), LEO-based systems experience large Doppler shifts and delay spreads, where traditional orthogonalization…

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