A Multiple Resonant Frequencies Circular Reconfigurable Antenna Investigated with Wireless Powering in a Concrete Block

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Case</td><td align="center">Frequency (GHz)</td><td align="center">Transmitter</td><td align="center">Receiver</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">1</td><td align="center">0.5</td><td align="center">Dipole</td><td align="center">Dipole</td></tr><tr><td align="left">2</td><td align="center">0.5</td><td align="center">Dipole</td><td align="center">CRA</td></tr><tr><td align="left">3</td><td align="center">6.64</td><td align="center">CRA</td><td align="center">CRA</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

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Table 2: A Multiple Resonant Frequencies Circular Reconfigurable Antenna Investigated with Wireless Powering in a Concrete Block 