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Enhancement of Characteristics of Antenna Arrays Employing S-Shaped Resonators

Author(s): Belgacem Aouadi | Jamel Belhaj Tahar

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 04;
Issue: 08;
Start page: 326;
Date: 2012;
Original page

Keywords: G-shaped Monopole Antenna | MIMO Systems | S-Shaped Resonators | Mutual Coupling | Antenna Correlation

This paper illustrates a simple kind of tri-band printed G-shaped monopole antenna for Multiple-Input-Multiple-Output (MIMO) systems. The proposed antenna is used to achieve three operating frequencies, 2.45 GHz, 5.2 GHz and 8.2 GHz for wireless communications. To improve the isolation between the two radiating elements, we use left-handed materials composed of only S-shaped resonators to get negative refractive index at the three operating frequencies. When one layer of S-shaped resonators is employed, the antenna correlation, the diversity gain and the bandwidth are also enhanced. The simulated results are presented and evaluated with and without left-handed materials.
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