Aeronautical GNSS Channel Model for Spurious Signals Arriving from Below the Horizon

Alexandre Chabory (1) , Maxandre Coulon (1) , Axel Javier Garcia Peña (1)

1 ENAC - Ecole Nationale de l'Aviation Civile

This article presents models and results for simulating the aeronautical GNSS channel when a spurious signal is arriving from below the horizon. The proposed models concern the source, the multipath channel and the airborne receiver antenna. For this latter, two solutions are proposed: a simple one with constant below-the-horizon characteristics, and a more realistic that uses a far-field simulation in the presence of the airframe structure. Simulation results on a comprehensive test-case are discussed.

Mots clés: GNSS; propagation mode; multipath

Domaines: Sciences de l'ingénieur [physics]; Electromagnétisme

Alexandre Chabory, Maxandre Coulon, Axel Javier Garcia Peña. Aeronautical GNSS Channel Model for Spurious Signals Arriving from Below the Horizon. EuCAP 2021 15th European Conference on Antennas and Propagation, Mar 2021, Dusseldorf, Germany. pp.1-5 /ISBN:978-1-7281-8845-4, ⟨10.23919/EuCAP51087.2021.9410982⟩. ⟨hal-03214293⟩