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Non-Terrestrial Networks are going to play an important role in future 6Gwireless networks to enhance global connectivity a performance in cooperationwith terrestrial networks. In order to properly design and deploynon-terrestrial networks, the satellite-to-ground channel must be properlycharacterized, with particular focus on the urban environment. This paper usesa Ray-Tracing simulation tool to analyze the primary propagation mechanisms andthe behaviour of the Rician K-factor as a function of satellite position in areference urban environment. Non-specular reflection due to surfaceirregularities emerges as a primary propagation mechanism in non-line-of-sightcases. Additionally, the Rician K-factor shows a slightly increasing trend withelevation angle, in contrast to previous studies.

A study on Satellite-to-Ground Propagation in Urban Environment