Design and performance evaluation of a 6×6 MIMO array with partial ground plane for sub-6 GHz mobile applications

Hossain, Fahmida and Hossain, A. K. M. Zakir and Ibrahimy, Muhammad Ibn and Jamil Alsayaydeh, Jamil Abedalrahim (2024) Design and performance evaluation of a 6×6 MIMO array with partial ground plane for sub-6 GHz mobile applications. International Journal of Intelligent Engineering and Systems, 17 (1). pp. 612-623. ISSN 2185-310X E-ISSN 2185-3118

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Abstract

This article presents a 6×6 MIMO array optimized for sub-6 GHz mobile and wireless applications. Utilizing a partial ground plane (PGP), the array incorporates a single-element half-circle-slotted monopole antenna to achieve a wideband response. The compact design, measuring 75 × 150 mm² and only 0.508 mm thick, is engineered to fit 6.6-inch display smartphones. Operating between 2.82 and 5.95 GHz, the array offers a -10 dB bandwidth and a VSWR of less than 2. It also delivers port-to-port isolation less than -20 dB and a peak realized gain of 5.3 dBi, with an antenna efficiency of 71%. Comprehensive far-field radiation patterns are observed across all 6 ports. The array maintains an envelope correlation coefficient (ECC) under 0.004 and a diversity gain (DG) above 9.98, demonstrating robust performance. Specific absorption rate (SAR) results at 3.5 GHz confirms compliance with MIMO standards, with values as low as 0.13 W/kg. This high-performance MIMO array is a strong contender for sub-6 GHz 5G applications.

Item Type:	Article (Journal)
Uncontrolled Keywords:	MIMO array, Sub-6 GHz, Partial ground plane (PGP), Wideband antenna, Smartphone integration
Subjects:	T Technology > T Technology (General) > T10.5 Communication of technical information
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User:	Dr Muhammad Ibrahimy
Date Deposited:	01 Apr 2024 12:17
Last Modified:	01 Apr 2024 12:19
URI:	http://irep.iium.edu.my/id/eprint/111616

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