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http://dx.doi.org/10.5515/KJKIEES.2007.18.4.389

Design of Miniaturized Broadband Parasitic Patch Antenna Using Reduced Size Main Patch with U-Shaped Parasitic Patches  

Wi, Sang-Hyuk (Dept. of Electrical and Electronic Engineering, Yonsei University)
Kim, Woo-Tae (Dept. of Electrical and Electronic Engineering, Yonsei University)
Hong, Young-Pyo (Dept. of Electrical and Electronic Engineering, Yonsei University)
Yuk, Jai-Rim (Sung-nam Mail Center, Ministry of Information and Communication)
Yook, Jong-Gwan (Dept. of Electrical and Electronic Engineering, Yonsei University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.18, no.4, 2007 , pp. 389-397 More about this Journal
Abstract
This paper proposes miniaturized broadband parasitic patch antenna. The proposed antenna consists of a probe fed reduced size main patch and U-shaped parasitic patches. The parasitic patches are incorporated to the radiating edges of the main patch to miniaturize the antenna size. The broadband impedance matching can be achieved by either E-plane or H-plane electromagnetic coupling between main patch and parasitic elements. The size of radiating elements is $18{\times}17.6\;mm^2$ and the overall dimension of designed antenna with substrate and ground plane is $25{\times}30{\times}4\;mm^3$. The fabricated antenna on a FR4 substrate shows two resonant frequencies(5.12 GHz and 6.08 GHz) with 27.3 %(1.5 GHz) fractional bandwidth at 5.5 GHz center frequency. The calculated and measured radiation patterns are almost similar to conventional patch antenna.
Keywords
Broadband Parasitic Patch Antenna; Reduced Size Rectangular Patch; U-Shaped Parasitic Patches;
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  • Reference
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