An Approach for Network Outage Detection from Drive-Testing Databases

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="163184.fig.004a" src="https://static.hindawi.com/articles/jcnc/volume-2012/163184/figures/163184.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Reference simulation</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="163184.fig.004b" src="https://static.hindawi.com/articles/jcnc/volume-2012/163184/figures/163184.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Problem simulation</td></tr></table></td></tr></table>

Journal of Computer Networks and Communications

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Figure 4

Figure 4: An Approach for Network Outage Detection from Drive-Testing Databases 