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J Electromagn Eng Sci > Volume 15(1); 2015 > Article
Journal of Electromagnetic Engineering and Science 2015;15(1):6-13.
DOI: https://doi.org/10.5515/JKIEES.2015.15.1.6   
A Novel Monopole Antenna with Two Arc-Shaped Strips for WLAN/WiMAX Application
Joong Han Yoon1, Sung Jae Ha2, Young Chul Rhee3
1Department of Electronics Engineering, Silla University
2Department of Information and Communication Engineering, Korea Polytechnics College
3Department of Information and Communication Engineering, Kyungnam University
Abstract
In this paper, a novel monopole antenna for WLAN/WiMAX application is presented. The proposed antenna consists of two arc-shaped strips, a vertical strip, and a slot in the ground plane. In this study, a prototype of the proposed triple-band antenna was designed, fabricated, and tested. The quantitative and experimental results demonstrate that the proposed antenna satisfy the -10 dB impedance bandwidth requirement of 440 MHz for 2.4/2.5 GHz bands (from 2.26 to 2.70 GHz), 970 MHz for 3.5 GHz bands (from 3.27 to 4.24 GHz), and 870 MHz for the GHz bands (from 5.08 to 5.95 GHz), while simultaneously covering the WLAN and WiMAX bands. In addition, the presented triple-band antenna has an omnidirectional radiation pattern at all three frequency bands with an antenna gain of 4.45 dBi for the lowest band, 2.04 dBi for the middle band, and 3.98 dBi for the highest band.
Key words: Arc-Shaped Strip, Triple-Band Operation, Vertical Strip, WLAN/WiMAX Antenna

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