Effect of Earth Ground and Environment on Body-Centric Communications in the MHz Band

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="243191.fig.007a" src="https://static.hindawi.com/articles/ijap/volume-2012/243191/figures/243191.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Legs are directly shunted to the earth ground</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="243191.fig.007b" src="https://static.hindawi.com/articles/ijap/volume-2012/243191/figures/243191.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>3 cm above the earth ground</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="243191.fig.007c" src="https://static.hindawi.com/articles/ijap/volume-2012/243191/figures/243191.fig.007c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>40 cm above the earth ground</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="243191.fig.007d" src="https://static.hindawi.com/articles/ijap/volume-2012/243191/figures/243191.fig.007d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Human body in free space</td></tr></table></td></tr></table>

<table>Electric field distribution around the human body.</table>

International Journal of Antennas and Propagation

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Figure 7

Figure 7: Effect of Earth Ground and Environment on Body-Centric Communications in the MHz Band 