EESS: An Energy-Efficient Spectrum Sensing Method by Optimizing Spectrum Sensing Node in Cognitive Radio Sensor Networks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2018/9469106/figures/9469106.fig.007a.svgz" name="9469106.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The number of nodes deployed is 300</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2018/9469106/figures/9469106.fig.007b.svgz" name="9469106.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The number of nodes deployed is 400</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2018/9469106/figures/9469106.fig.007c.svgz" name="9469106.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The number of nodes deployed is 500</td></tr></table>

<div>Comparison of cluster numbers at different nodes densities.</div>

Wireless Communications and Mobile Computing

fig7

Figure 7

Figure 7: EESS: An Energy-Efficient Spectrum Sensing Method by Optimizing Spectrum Sensing Node in Cognitive Radio Sensor Networks 