A novel miniaturzed dual-band microstrip antenna for WiFi/WiMAX applications

This paper proposes a new design approach of a hexagonal fractal ring patch antenna for dual-band applications. The proposed antenna operates at two resonant frequency bands to cover 2.45-GHz WiFi and 3.5-GHz WiMax applications. To achieve dual-band operation, a first-iterative fractal-ring radiating patch is printed on a substrate layer coupled with another identical fractal ring printed in the other side of the substrate. A Y-shaped fed line is used to feed the antenna. The numerical analysis and simulation are carried out with CST MWS. The measured results of the proposed antenna with compact size of 13×18.9×1.6 mm
³
show excellent performance and good agreement with the simulated ones.