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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Mutual Coupling Reduction of a (2×1) MIMO Antenna System Using Parasitic Element Structure for WLAN Applications

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Author Abdul Ghafor A. Abdul Hameed, Abdul Kareem S. Abdullah, Haider M. Al Sabbagh, Hussain K. Bashir
ISSN 2079-8407
On Pages 605-613
Volume No. 6
Issue No. 11
Issue Date Decmeber 1, 2015
Publishing Date December 1, 2015
Keywords MIMO, parasitic element, ISM band, mutual coupling


Abstract

In this paper, a novel parasitic element structure is proposed to reduce the mutual coupling produced in a compact (2×1)multi-input multi-output (MIMO) antenna system working at 2.4 GHz for wireless local area network (WLAN) applications. The proposed structure has a rectangular shape with (10) square slots built using FR-4 substrate with relative permittivity of 4.4 and loss tangent 0.025.The resulted MIMO antenna is found to have a low mutual coupling of about -25dB and an envelope correlation coefficient less than 0.1 in the band of interest. The antenna also has a wide relative bandwidth of 18.75%, high total efficiency of 89.5% and acceptable realized gain of about 2.25dBi.
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