Abstract | ||
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Air-to-Ground (A2G) wireless communications using Unmanned Aerial Vehicles (UAVs) as Low Altitude Platforms (LAPs) have become a hot topic in recent decades. Among all the A2G channel models that can be used for A2G channel characterization, the two-ray ground reflection path loss model can be used for environments with fewer scatterers such as over water, suburban and mountainous. In such environments, signal down-fades appear due to the destructive combination of the direct component and the ground reflected component. This paper presents a frequency diversity approach to improve the coverage in such an environment. Our results show that frequency diversity can improve coverage at least by 17% when two frequencies are used assuming the threshold to be -80 dBm. Moreover, this work analyses the coverage improvement that can be obtained through polarization diversity. Our results show that having both horizontal and vertical polarizations can improve the coverage by 10%-95%, assuming the transmission frequency to be 700MHz and UAV altitude is between 100 m-300 m. |
Year | DOI | Venue |
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2019 | 10.1109/WiSEE.2019.8920311 | 2019 IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE) |
Keywords | Field | DocType |
UAV,Air-to-Ground,two-ray,ground reflection,elevation angle,frequency diversity,polarization diversity | Motion planning,Diversity scheme,Direct component,Wireless,Remote sensing,Communication channel,Altitude,Atmospheric model,Path loss,Environmental science | Conference |
ISSN | ISBN | Citations |
2380-7628 | 978-1-7281-2141-3 | 0 |
PageRank | References | Authors |
0.34 | 13 | 5 |
Name | Order | Citations | PageRank |
---|---|---|---|
Nirmani Hewa Ranchagoda | 1 | 0 | 0.68 |
Sithamparanathan Kandeepan | 2 | 6 | 5.85 |
Ming Ding | 3 | 790 | 81.23 |
Akram Al-Hourani | 4 | 468 | 33.31 |
Karina Mabell Gomez | 5 | 280 | 23.87 |