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Design and Analysis of Compact Printed Triple Band-Notched UWB Antenna

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3 Author(s)
Trang Dang Nguyen ; Division of Electronics and Electrical Engineering, Dongguk University, Seoul, Korea ; Dong Hyun Lee ; Hyun Chang Park

A compact printed microstrip-fed monopole ultrawideband antenna with triple notched bands is presented and analyzed in detail. A straight, open-ended quarter-wavelength slot is etched in the radiating patch to create the first notched band in 3.3-3.7 GHz for the WiMAX system. In addition, three semicircular half-wavelength slots are cut in the radiating patch to generate the second and third notched bands in 5.15-5.825 GHz for WLAN and 7.25-7.75 GHz for downlink of X-band satellite communication systems. Surface current distributions and transmission line models are used to analyze the effect of these slots. The antenna is successfully fabricated and measured, showing broad band matched impedance and good omnidirectional radiation pattern. The designed antenna has a compact size of 25 × 29 mm2.

Published in:

IEEE Antennas and Wireless Propagation Letters  (Volume:10 )