Three-Dimensional Geometry-Based UAV-MIMO Channel Modeling for A2G Communication Environments

We propose a 3-D elliptic-cylinder unmanned aerial vehicle (UAV) multiple-input-multiple-output (MIMO) channel model for air-to-ground communication environments. The mobility and altitude of UAV transmitters in the elevation plane are studied based on the proposed UAV-MIMO channel model. Furthermore, ground surface and roadside environment reflections are considered to investigate the statistical properties of the proposed UAV-MIMO channel model. Finally, numerical results show that the proposed channel statistics are consistent with previous results for communication channels. Overall, the proposed model, expressed by the space correlation functions, provides a novel and practical approach to investigate UAV-MIMO channels and design vehicular communication systems.

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