MMW-NOMA: An Uplink NOMA Communication System Based on the Node Pairing Algorithm of Maximum and Minimum Weight in Underwater Acoustic Networks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/7654456/figures/7654456.fig.003a.svgz" name="7654456.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Pairing of 20 nodes</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/7654456/figures/7654456.fig.003b.svgz" name="7654456.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Pairing of 40 nodes</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/7654456/figures/7654456.fig.003c.svgz" name="7654456.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Pairing of 80 nodes</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2022/7654456/figures/7654456.fig.003d.svgz" name="7654456.fig.003d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Pairing of 160 nodes</td></tr></table>

<div>The distribution diagrams of node pairs in MMW-NOMA.</div>

Wireless Communications and Mobile Computing

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Figure 3

Figure 3: MMW-NOMA: An Uplink NOMA Communication System Based on the Node Pairing Algorithm of Maximum and Minimum Weight in Underwater Acoustic Networks 

Figure 3 | MMW-NOMA: An Uplink NOMA Communication System Based on the Node Pairing Algorithm of Maximum and Minimum Weight in Underwater Acoustic Networks 