Efficient Radio Map Construction Based on Low-Rank Approximation for Indoor Positioning

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="461089.fig.007a" src="https://static.hindawi.com/articles/mpe/volume-2013/461089/figures/461089.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>  Different sampling rates</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="461089.fig.007b" src="https://static.hindawi.com/articles/mpe/volume-2013/461089/figures/461089.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b> Different variances of noise</td></tr></table></td></tr></table>

<table>Positioning errors on the simulated data.</table>

Mathematical Problems in Engineering

fig7

Figure 7

Figure 7: Efficient Radio Map Construction Based on Low-Rank Approximation for Indoor Positioning 