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.002a" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b> A, B, and C are synchronous, and cycles are aligned</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="753541.fig.002b" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>A, B, and C are synchronous, but cycles are not aligned</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="753541.fig.002c" src="https://static.hindawi.com/articles/jece/volume-2012/753541/figures/753541.fig.002c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>A, B, and C are asynchronous, and also cycles are not aligned</td></tr></table></td></tr></table>

<table>Synchronous and asynchronous PS nodes’ QS.</table>

Journal of Electrical and Computer Engineering

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Figure 2: Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks 