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PARASITIC STRIP RECTANGULAR MICROSTRIP MONOPOLE ANTENNAS FOR HIPERLAN AND UWB OPERATION

M. Veereshappa and Dr.S.N Mulgi

A low profile parasitic strip rectangular monopole microstrip antenna is proposed for HIPERLAN/2 and UWB operation. The antenna has a simple structure consisting of a rectangular radiating patch of size 2.34 X 3.04 cm2 with parasitic strip and uses low cost substrate material FR4. The proposed antenna excites six resonant modes and gives a peak gain of 11.70 dB. If the radiating patch is modified by loading simple rectangular vertical slots on the patch the antenna operates for five bands of frequencies. Both the cases antennas operate in the frequencies range of 4 to 16 GHz and gives ominidirectional radiation characteristics. The proposed antenna may find application in microwave communication systems.