Vol. 15

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2010-06-10

Performance Enhancement of Tri-Band Monopole Antenna for WLAN / WiMAX Applications

By Le-Hu Wen, Ying-Zeng Yin, Zhen-Yang Liu, Dan Xi, Min Zhang, and Yan Wang
Progress In Electromagnetics Research Letters, Vol. 15, 61-68, 2010
doi:10.2528/PIERL10050606

Abstract

A novel tri-band monopole antenna applied to WLAN / WiMAX applications is proposed in this paper. The antenna comprises of two semicircles: one is fed by a microstrip line, and the other is shorted to the ground. By incorporating L-shaped strips, good filter as tri-band performance is achieved. The proposed antenna shows a good multi-band property to satisfy the requirement of WLAN in the 2.4/5.2/5.8 GHz bands and WiMAX in the 2.5/3.5/5.5 GHz bands. In addition, a near omni-directional radiation characteristic is also obtained. Experimental data show that the antenna can provide three separate impedance bandwidths of 400 MHz (centered at 2.6 GHz), 400 MHz (centered at 3.4 GHz) and 1100 MHz (centered at 5.3 GHz) with two fine notched bands at the undesired bandwidths.

Citation


Le-Hu Wen, Ying-Zeng Yin, Zhen-Yang Liu, Dan Xi, Min Zhang, and Yan Wang, "Performance Enhancement of Tri-Band Monopole Antenna for WLAN / WiMAX Applications," Progress In Electromagnetics Research Letters, Vol. 15, 61-68, 2010.
doi:10.2528/PIERL10050606
http://jpier.org/PIERL/pier.php?paper=10050606

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