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Channel modeling has a profound influence on the reliability of communications between a base station-enabled unmanned aerial vehicle (UBS) and cellular user (CU). Considering the height, width, and distribution of the surrounding buildings, in this article we present a model to calculate the likelihood of line-of-sight propagation. Additionally, the altitudes of CU and UBS, CU-UBS separation, and wavelength have also been taken into account. We specifically model the path-loss statistics based on line-of-sight and non-line-of-sight propagation between CU and UBS. The validity of the proposed approach has been confirmed through simulation results. To present the comparative analysis, the standard air-to-ground (AtG) channel proposed by ITU has been used as the base model.

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Line of Sight and Non Line of Sight Propagation-Based Path Loss Model for UAV-To-Ground Channel

  • 会议论文

  • 发表日期：

    2026年

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  • Dilip Mandloi,
  • Rajeev Arya

摘要

Channel modeling has a profound influence on the reliability of communications between a base station-enabled unmanned aerial vehicle (UBS) and cellular user (CU). Considering the height, width, and distribution of the surrounding buildings, in this article we present a model to calculate the likelihood of line-of-sight propagation. Additionally, the altitudes of CU and UBS, CU-UBS separation, and wavelength have also been taken into account. We specifically model the path-loss statistics based on line-of-sight and non-line-of-sight propagation between CU and UBS. The validity of the proposed approach has been confirmed through simulation results. To present the comparative analysis, the standard air-to-ground (AtG) channel proposed by ITU has been used as the base model.