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This study uses a ray tracing method to simulate urban Synthetic Aperture Radar (SAR) images. These images are based on 3D models of buildings, the ground, vegetation, and small scatterers, obtained ...

Through ray tracing simulation on three-dimensional (3D) urban environments, we characterize air-to-ground (A2G) channels for 5G and beyond wireless communications. In this study, we review four types ...