Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="753541.fig.006a" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b> forward tQS</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="753541.fig.006b" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>backward tQS</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="753541.fig.006c" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.006c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>mirror tQS</td></tr></table></td></tr></table>

<table>(a) Standard (forward), (b) backward, and (c) mirror tQS.</table>

Journal of Electrical and Computer Engineering

fig6

Figure 6

Figure 6: Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks 