Engineering and Technology

UAV-Assisted Wireless Communications: An Experimental Analysis of Air-to-Ground and Ground-to-Air Channels in Open Environments

K. Shafafi, E. N. Almeida, et al.

Explore groundbreaking research conducted by Kamran Shafafi, Eduardo Nuno Almeida, André Coelho, Helder Fontes, Manuel Ricardo, and Rui Campos as they delve into the complexities of Air-to-Ground and Ground-to-Air wireless channels. Their experimental analysis reveals how distance and UAV heading enhance our understanding of signal strength and TCP throughput, surpassing traditional models.

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Abstract

This paper experimentally characterizes Air-to-Ground (A2G) and Ground-to-Air (G2A) wireless channels in open environments, considering distance and UAV heading. Received Signal Strength Indicator (RSSI) and TCP throughput were analyzed between ground users and UAVs at distances from 50m to 500m and various UAV headings. The study provides a more accurate channel model than deterministic models like Friis and two-ray, also characterizing the antenna radiation pattern based on UAV headings.

Publisher

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Published On

Jan 01, 2023

Authors

Kamran Shafafi, Eduardo Nuno Almeida, André Coelho, Helder Fontes, Manuel Ricardo, Rui Campos

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