Cross Polarization Minimized Fractal Antenna for HiperLAN Application
Keywords:
Miniaturization, Cantor Square, Sierpinski Carpet, HiperLAN, Cross Polarization.Abstract
Two Fractal based antennas are proposed here for HiperLAN applications. Cantor Square fractal antenna has a size of 30mm×20mm×1.6mm and Sierpinski Carpet antenna has a size of 30mm×25mm×1.6mm. To reduce Cross polarization stubs have been introduced in the feed line and thereby achieving polarization purity for the above said antennas. Both antennas can resonate at a 5GHz band with good return loss and low cross-polarization. Cantor fractal and Sierpinski Carpet at its 2nd iteration gives up to -60dB cross polarization with a return loss at -35dB making these designs good for LAN applications
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