Advances in Antenna Technology for Wireless Handheld Devices

<table>(a) 3D view of the PIFA. Ground plane size is <svg height="11.125" id="M10" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 119.8125 11.125" width="119.8125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> and PIFA is <svg height="11.225" id="M11" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 168.02499 11.225" width="168.02499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>; (b) proposed matching network including a switching circuit, a filter, and a series inductor.</table>

International Journal of Antennas and Propagation

Advances in Antenna Technology for Wireless Handheld Devices

Figure 11