volume | PIER Journals

2015-09-24

Design of Tri-Band Quasi-Self-Complementary Antenna for WLAN and WiMAX Applications

Hui Li,

Dr. Hui Li

Xidian University

China

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Le Kang,

Dr. Le Kang

Xidian University

China

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Xin Huai Wang,

Dr. Xin Huai Wang

Xidian University

China

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Ying-Zeng Yin

Professor Ying-Zeng Yin

Xidian University

China

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Progress In Electromagnetics Research Letters, Vol. 56, 89-94, 2015

doi:10.2528/PIERL15071708

Abstract

In this article, a novel printed quasi-self-complementary antenna with tri-band characteristic is presented for WLAN and WiMAX applications. A triangular quasi-self-complementary structure, which consists of a radiating patch and its counterpart slot on the ground, is employed to produce two operating bands centered at about 2.5 and 5.2 GHz. Then, by introducing a rectangular slit cut from the patch and its complementary mirror image strip inserted into the slot, an additional resonance at 3.5 GHz is excited and tri-band operation can be realized. A prototype of the proposed antenna has been successfully fabricated and measured. Both the simulated and measured results are obtained to demonstrate the promising performance required for practical applications. Based on the results, it is shown that 10-dB impedance bandwidths of the proposed antenna are 510 MHz (2.25-2.76 GHz), 330 MHz (3.38-3.71 GHz), and 770 MHz (5.1-5.87 GHz), respectively. Also, nearly omnidirectional radiation patterns and acceptable antenna gains can be achieved over the three operating bands.

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Hui Li, Le Kang, Xin Huai Wang, and Ying-Zeng Yin, "Design of Tri-Band Quasi-Self-Complementary Antenna for WLAN and WiMAX Applications," Progress In Electromagnetics Research Letters, Vol. 56, 89-94, 2015.
doi:10.2528/PIERL15071708

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