Vincenz Mechler, M.Sc.

Adaptive Physical Layer / Propagation Channel Modelling / Drone Communication / Researcher

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Vincenz Mechler

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  2024  22nd Annual International Conference on Mobile Systems, Applications and Services (MOBISYS '24) Conference

Always On Air: Adaptive Physical Layer Switching For Uninterrupted UAV Air-to-Ground Communication

Vincenz Mechler Felix Wiegand Matthias Hollick Bastian Bloessl

BibTeX DOI: 10.1145/3661810.3663467

Abstract
Reliable wireless communication is crucial for remote operation of Unmanned Aerial Vehicles (UAVs). Yet, staying in control of the vehicle at all times poses a great challenge, given the dynamics of the wireless channel. Existing technologies are optimized for a given application and, therefore, not well suited for this use case, as they cannot provide both high throughput in high Signal to Noise Ratio (SNR) regimes and high reliability in low SNR regimes. To overcome this limitation, we propose a channel-aware predictive physical layer switching algorithm, utilizing the UAV's telemetry data for implicit synchronization. We evaluate our system experimentally in a fully emulated testbed, achieving an overall outage probability as low as 0.7 % while increasing the average throughput.