Miniaturization of a Microstrip Patch Antenna with a Koch Fractal Contour Using a Social Spider Algorithm to Optimize Shorting Post Position and Inset Feeding

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">Resonance frequency (GHz)</td><td class="align_center">Bandwidth (%)</td><td class="align_center">Radiation efficiency (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Patch without the shorting post (fractal level 0)</td><td class="align_center">2.45</td><td class="align_center">2.35</td><td class="align_center">58.6</td></tr><tr><td class="align_left">Patch without the shorting post (fractal level 1)</td><td class="align_center">1.70</td><td class="align_center">1.78</td><td class="align_center">27.4</td></tr><tr><td class="align_left">Patch without the shorting post (fractal level 2)</td><td class="align_center">1.37</td><td class="align_center">1.77</td><td class="align_center">14.8</td></tr><tr><td class="align_left">Patch with the shorting post (fractal level 2)</td><td class="align_center">0.73</td><td class="align_center">1.37</td><td class="align_center">11.0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of resonance frequency, bandwidth, and radiation efficiency simulation results.</div>

International Journal of Antennas and Propagation

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Table 1

Table 1: Miniaturization of a Microstrip Patch Antenna with a Koch Fractal Contour Using a Social Spider Algorithm to Optimize Shorting Post Position and Inset Feeding 

Table 1 | Miniaturization of a Microstrip Patch Antenna with a Koch Fractal Contour Using a Social Spider Algorithm to Optimize Shorting Post Position and Inset Feeding 