Empirical Path Loss Channel Characterization Based on Air-to-Air Ground Reflection Channel Modeling for UAV-Enabled Wireless Communications

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2021/5589487/figures/5589487.fig.008a.svgz" name="5589487.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>CM1: grass floor scenario</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2021/5589487/figures/5589487.fig.008b.svgz" name="5589487.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>CM2: soil floor scenario</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2021/5589487/figures/5589487.fig.008c.svgz" name="5589487.fig.008c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>CM3: rubber floor scenario</td></tr></table>

<div>Path loss characteristics of A2A channel modeling by using LoRa module at 868 MHz.</div>

Wireless Communications and Mobile Computing

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Figure 8

Figure 8: Empirical Path Loss Channel Characterization Based on Air-to-Air Ground Reflection Channel Modeling for UAV-Enabled Wireless Communications 

Figure 8 | Empirical Path Loss Channel Characterization Based on Air-to-Air Ground Reflection Channel Modeling for UAV-Enabled Wireless Communications 