Experimental Demonstration of Coexistence of Microwave Wireless Communication and Power Transfer Technologies for Battery-Free Sensor Network Systems

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="357418.fig.009a" src="https://static.hindawi.com/articles/ijap/volume-2013/357418/figures/357418.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>+35 deg. beam steering</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="357418.fig.009b" src="https://static.hindawi.com/articles/ijap/volume-2013/357418/figures/357418.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>-20 deg. beam steering</td></tr></table></td></tr></table>

<table>Measured constellations of the received IF signals when the beam is steered.</table>

International Journal of Antennas and Propagation

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Figure 9

Figure 9: Experimental Demonstration of Coexistence of Microwave Wireless Communication and Power Transfer Technologies for Battery-Free Sensor Network Systems 

Figure 9 | Experimental Demonstration of Coexistence of Microwave Wireless Communication and Power Transfer Technologies for Battery-Free Sensor Network Systems 