Enhanced Loop Structure of NFC Antenna for Mobile Handset Applications

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</svg>-field intensity along with a normal direction (<svg height="8.4250002" id="M30" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 8.5874996 8.4250002" width="8.5874996" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>-axis) on the center of the loop antenna with varying capacitance of a capacitor embedded in the parasitic loop.</table>

International Journal of Antennas and Propagation

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Figure 4

Figure 4: Enhanced Loop Structure of NFC Antenna for Mobile Handset Applications 