Author

F. Menzione

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Preprint Aug 2026

Beam scheduling policy for communications and PNT services from LEO satellites

Future low Earth orbit (LEO) constellations are expected to provide positioning, navigation, and timing (PNT) as a native service alongside broadband, removing the GNSS dependency inherited by 5G non-terrestrial networks. This is known in the literature as fused PNT. This paper asks how a multibeam satellites in a LEO...

Alejandro González-Garrido, F. Menzione, O. Picchi et al. · 0 citations

Open access Sep 2026

Enhancing 5G NTN VSAT RACH in GNSS-Denied Environments: A Multi-Step Single-Satellite AoA/FoA/ToA Positioning Using Levenberg–Marquardt Kalman Filtering

The 3GPP 5G Non-Terrestrial Network (NTN) technology fundamentally relies on a Global Navigation Satellite System (GNSS) fix at the User Equipment (UE) to pre-compensate for user-link delay and Doppler shifts prior to any transmission, including the random-access procedure for the initial access. In GNSS-denied or inte...

F. Menzione, Alejandro González-Garrido, Flavien Ronteix-Jacquet et al. · Italian National Conference... · 0 citations