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J Electromagn Eng Sci > Volume 13(3); 2013 > Article
Journal of Electromagnetic Engineering and Science 2013;13(3):195-198.
DOI: https://doi.org/10.5515/JKIEES.2013.13.3.195   
Metamaterial-Based Zeroth-Order Resonant Antennas for MIMO Applications
Gunyoung Kim, Bomson Lee
Department of Electronics & Radio Engineering, Kyung Hee University
Abstract
A compact ($0.26{times}0.05$ ${lambda}_0$ at 2.27 GHz) metamaterial-based zeroth-order resonant antenna system consisting of epsilon-negative (ENG) and mu-negative (MNG) structures is proposed. Although the spacing between the ENG and MNG antennas is only 0.09 ${lambda}_0$, the isolation is relatively high (27.6 dB at 2.27 GHz). Furthermore, the envelope correlation is only 0.015. The radiation efficiencies of the proposed two radiators are also very high (90% on average).
Key words: Epsilon Negative, Metamaterial, MIMO, Mu Negative, Zeroth-Order Resonant

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