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2011-11-24

A MIMO Antenna Design Challenges for UWB Application

By Muzammil Jusoh, Mohd Faizal Bin Jamlos, Muhammad Ramlee Kamarudin, and Mohd Fareq Bin Abd Malek
Progress In Electromagnetics Research B, Vol. 36, 357-371, 2012
doi:10.2528/PIERB11092701

Abstract

This paper proposes a compact printed ultra-wideband (UWB) multiple-input-multiple-output (MIMO) antenna with a dimension of 38 x 91 mm2. The presented UWB-MIMO antenna is comprised of two identical patch elements with D separation distance on the same substrate. The basic single antenna structure has a novel design comprising seven circles surrounding a center circle with partial ground plane implementation. Furthermore, the experimental antenna has peak gain of 5.3 dBi between an operating frequency of 2.8 GHz and 8.0 GHz under a minimum reflection coefficient of less than -10 dB (S11<-10 dB). Moreover, the antenna successfully achieved mutual coupling minimization of < -17 dB, eventually resulting in enhancement of radiation efficiency. Besides, the UWB-MIMO's correlation coefficient was effectively reduced to less than -22 dB, which reflected an improvement in the antenna's diversity. In this paper, the proposed antenna is examined both numerically and experimentally.

Citation


Muzammil Jusoh, Mohd Faizal Bin Jamlos, Muhammad Ramlee Kamarudin, and Mohd Fareq Bin Abd Malek, "A MIMO Antenna Design Challenges for UWB Application," Progress In Electromagnetics Research B, Vol. 36, 357-371, 2012.
doi:10.2528/PIERB11092701
http://www.jpier.org/PIERB/pier.php?paper=11092701

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