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A Compact Printed Antenna for Triple-Band WLAN/WiMAX Applications

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4 Author(s)
Huiqing Zhai ; Nat. Lab. of Sci. & Technol. on Antennas & Microwaves, Xidian Univ., Xi'an, China ; Zhihui Ma ; Yu Han ; Changhong Liang

In this letter, a novel compact printed antenna for triple-band WLAN/WiMAX applications is presented. The proposed antenna consists of three simple circular-arc-shaped strips, whose whole geometry looks like “ear” type. By adjusting the geometries and the sizes of these three circular-arc-shaped strips, three different resonance modes can be effectively created for three distinct frequency bands, respectively. The overall dimension of the proposed antenna can reach 18 × 37 × 1 mm3 . Measured results show that the presented antenna can cover three separated impedance bandwidths of 400 MHz (2.38-2.78 GHz), 480 MHz (3.28-3.76 GHz), and 1000 MHz (4.96-5.96 GHz), which are well applied for both 2.4/5.2/5.8-GHz WLAN bands and 2.5/3.5/5.5-GHz WiMAX bands.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:12 )