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J Electromagn Eng Sci > Volume 13(1); 2013 > Article
Journal of Electromagnetic Engineering and Science 2013;13(1):51-53.
DOI: https://doi.org/10.5515/JKIEES.2013.13.1.51   
MIMO Antenna Using Resonance of Ground Planes for 4G Mobile Application
Xing Zhao, Kyeol Kwon, Jeahoon Choi
Dept. of Electronics and Computer Engineering, Hanyang University
Abstract
A MIMO antenna using the resonance of ground planes is proposed for 4G mobile application. A resonant mode is generated when the double ground planes (upper and lower) in the mobile terminal are excited as the radiator. By combining the resonant modes contributed from both the antenna element and the ground planes, the proposed MIMO antenna realizes a wideband property over LTE band 13. In addition, an inductive coil is employed to reduce the antenna volume. These approaches not only simplify antenna design but also effectively improve bandwidth and efficiency. The proposed MIMO antenna has an excellent ECC value of below 0.1 because of the nearly orthogonal radiation patterns of the two radiators. Moreover, an additional antenna is adopted to cover WiMAX, WLAN, and Bluetooth services simultaneously in frequency range from 2 GHz to 2.7 GHz.
Key words: MIMO, 4G, ECC, Ground Planes, Inductive Coil

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