A Wideband High-Gain Dual-Polarized Slot Array Patch Antenna for WiMAX Applications in 5.8 GHz

<table>(a) 3D view of <svg height="11.125" id="M27" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 33.974998 11.125" width="33.974998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> array antenna with its ground plane. Rohacell (bottom: circular patches): <svg height="15.2375" id="M28" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 60.512501 15.2375" width="60.512501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mm; substrate (top: slots, bottom: feed lines): <svg height="18.049999" id="M30" style="vertical-align:-5.76984pt" version="1.1" viewbox="0 0 60 18.049999" width="60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mm. (b) Feed structure of array antenna. (c) Quarter-wave matching transformer. (d) <svg height="11.3125" id="M32" style="vertical-align:-0.1092pt" version="1.1" viewbox="0 0 14.9875 11.3125" width="14.9875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>-section <svg height="15" id="M33" style="vertical-align:-2.22495pt" version="1.1" viewbox="0 0 24.674999 15" width="24.674999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> transformer.</table>

International Journal of Antennas and Propagation

fig2

Figure 2

Figure 2: A Wideband High-Gain Dual-Polarized Slot Array Patch Antenna for WiMAX Applications in 5.8 GHz 