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http://dx.doi.org/10.5515/KJKIEES.2008.19.1.033

Design of IBBD Array Antennas for WiBro/WiMAX Band  

Choi, Hwan-Gi (Dept. of Electronic Engineering, Dankook University)
Choi, Hak-Keun (Dept. of Electronic Engineering, Dankook University)
Jung, Young-Bae (Electronics and Telecommunications Research Institute)
Jeon, Soon-Ik (Electronics and Telecommunications Research Institute)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.1, 2008 , pp. 33-39 More about this Journal
Abstract
In this paper, a broadband rectangular reflector antenna with 16-array elements for WiBro/WiMAX band(2.3${\sim}$3.5 GHz) is designed, and its radiation characteristics are investigated. The designed antenna is composed of the IBBD(Integrated Balun Bow-tie Dipole) elements and has the feed circuit at the rear of the reflector to reduce the unwanted electromagnetic wave from it. To confirm the broadband characteristics of the designed antenna, test antenna is fabricated and its radiation characteristics are measured, compared with calculated results. The measured results show good agreement with the calculated results. As a result of measurements, 1.8GHz of bandwidth(VSWR<1.6) is achieved at $2.06{\sim}3.89GHz$ and the antenna gain over 10.3 dBi. We confirm that the designed antenna can be used as a broadband antenna for WiBro/WiMAX.
Keywords
IBBD; Array Antenna; WiBro; WiMAX;
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