Genetic Algorithms in Antennas and Smart Antennas  Design Overview: Two Novel Antenna Systems for Triband GNSS Applications and a Circular Switched Parasitic Array for WiMax Applications Developments with the Use of Genetic Algorithms

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Parameter</td><td align="center">Range of variation</td><td align="center">Step of variation</td><td align="center">GA result</td><td align="center">Results in physical dimensions</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Length of central element</td><td align="center">0.05λo : 2.05λo</td><td align="center">0.05λo</td><td align="center">0.8λo</td><td align="center">6.31 cm</td></tr><tr><td align="left">Length of peripheral elements</td><td align="center">0.05λo : 2.05λo</td><td align="center">0.05λo</td><td align="center">0.55λo</td><td align="center">4.34 cm</td></tr><tr><td align="left">Distance between central and peripheral elements</td><td align="center">
 0.05λo : 0.5λo</td><td align="center">0.05λo</td><td align="center">0.4λo</td><td align="center">3.16 cm</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Input parameters and results of the GA optimization procedure for the 5-element circular switched parasitic element with two active elements.

International Journal of Antennas and Propagation

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Table 3

Table 3: Genetic Algorithms in Antennas and Smart Antennas  Design Overview: Two Novel Antenna Systems for Triband GNSS Applications and a Circular Switched Parasitic Array for WiMax Applications Developments with the Use of Genetic Algorithms 

Table 3 | Genetic Algorithms in Antennas and Smart Antennas  Design Overview: Two Novel Antenna Systems for Triband GNSS Applications and a Circular Switched Parasitic Array for WiMax Applications Developments with the Use of Genetic Algorithms 