This article studies the air-to-ground ultra-wideband channel through propagation measurements between 3.1 to 4.8 GHz using unmanned-aerial-vehicles (UAVs). Different line-of-sight (LOS) and obstructed-LOS scenarios and two antenna orientations were used in the experiments. Multipath channel statistics for different propagation scenarios were obtained, and the Saleh–Valenzuela model was found to provide a good fit for the statistical channel model. An analytical path loss model based on antenna gains in the elevation plane is provided for unobstructed UAV hovering and moving (in a circular path) propagation scenarios.
Ultra-Wideband Air-to-Ground Propagation Channel Characterization in an Open Area
IEEE Transactions on Aerospace and Electronic Systems ; 56 , 6 ; 4533-4555
01.12.2020
4868107 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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