Excess Loss Model for Low Elevation Links in Urban Areas for UAVs
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In this paper we analyze the link between an UAV and a ground control station in an urban area. This link shows a unique geometry which is somewhere in between the purely terrestrial (e.g., a macro-cell channel) and the land mobile satellite case (LMS). We describe a measurement campaign which reproduces the UAV link conditions and shows how the excess loss is mainly dependent on the elevation angle and fairly independent of the distance. Finally, we propose a simple physical model for predicting the excess loss based on a combination of diffracted and reflected components. Results from this model are in good agreement with the measurements.
Document typePeer reviewed
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SourceRadioengineering. 2011, vol. 20, č. 3, s. 561-568. ISSN 1210-2512
- 2011/3