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J. B. Pendry, A. J. Holden, D. J. Robbins and W. J. Stewart, “Magnetism from Conductors and Enhanced Nonlinear Phenomena,” IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 11, 1999, pp. 20752083. doi:10.1109/22.798002

has been cited by the following article:

• TITLE: Enhancement of Characteristics of Antenna Arrays Employing S-Shaped Resonators

  AUTHORS: Belgacem Aouadi, Jamel Belhaj Tahar

  KEYWORDS: G-shaped Monopole Antenna; MIMO Systems; S-Shaped Resonators; Mutual Coupling; Antenna Correlation

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.4 No.8, August 6, 2012

  ABSTRACT: 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.