A Design of Irregular Grid Map for Large-Scale Wi-Fi LAN Fingerprint Positioning Systems

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="203419.fig.002a" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/203419/figures/203419.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Regular grid structure</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="203419.fig.002b" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/203419/figures/203419.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Irregular grid structure</td></tr></table></td></tr></table>

<table>Comparison of regular and irregular forms of grids.</table>

The Scientific World Journal

fig2

Figure 2

Figure 2: A Design of Irregular Grid Map for Large-Scale Wi-Fi LAN Fingerprint Positioning Systems 