Cross-Layer Throughput Optimization in Cognitive Radio Networks with SINR Constraints

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="985458.fig.005a" src="https://static.hindawi.com/articles/ijdmb/volume-2010/985458/figures/985458.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Throughput</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="985458.fig.005b" src="https://static.hindawi.com/articles/ijdmb/volume-2010/985458/figures/985458.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Optimality ratio</td></tr></table></td></tr></table>

<table>Comparison between heuristic, upper bound and global optimum for regular topology.</table>

International Journal of Digital Multimedia Broadcasting

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Figure 5

Figure 5: Cross-Layer Throughput Optimization in Cognitive Radio Networks with SINR Constraints 