Compact 2x2 and 4x4 MIMO Antenna Systems for 5G Automotive Applications

Authors

  • Mohamed O. Khalifa Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA
  • Ahmad M. Yacoub Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA
  • Daniel N. Aloi Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA

Keywords:

Automotive antennas, correlation coefficient, 5G, 2x2 and 4x4 MIMO systems

Abstract

In this paper, three Vehicular multiple-input multiple-output (MIMO) 5G antenna systems have been constructed from using a newly developed 5G cellular branched Monopole element are presented. The MIMO systems operates in the 5G frequency bands (617MHz- 5GHz) with a compact structure that allows for up to four elements to be integrated in the same Sharkfin. The 3 configurations of MIMO systems have been simulated using HFSS, measured on a 1-meter ground plane (GND), then measured on a vehicle roof and the individual antenna parameters in terms of reflection coefficient and efficiency have captured. The MIMO antenna systems performance in terms of passive isolation, combined radiation pattern, envelope correlation coefficient (ECC), and diversity gain (DG) have been reported and discussed.

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Author Biographies

Mohamed O. Khalifa, Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA

Mohamed O. Khalifa received the B.S. degree in Electrical and Electronic Engineering from University of Khartoum, Khartoum, Sudan, in 2010 and the M.S. degree in Electrical Engineering from King Fahd University of Petroleum and Minerals, Dhahran, KSA, in 2015. He is currently pursuing the Ph.D. degree in Electrical and Computer Engineering at Oakland University. He served as a Research Assistant at King Fahd University of Petroleum and Minerals, Visiting graduate Intern at I-Radio Lab within the School of Engineering at University of Calgary in Alberta, Canada and Research Assistant at Applied EMAG and Wireless Lab at Oakland University from 2012-2018. He has been employed in Ficosa North America, Madison Heights, Michigan from 2018-2019 then in Molex LLC, Grand Blanc, Michigan from 2019 until present. His research interests reside in area of Power Amplifier design and linearization techniques and applied electromagnetics with emphasis on antenna measurements, antenna modeling/analysis and antenna design. He has authored/ co-authored around 10 technical papers and is an inventor on 3 patents.

Ahmad M. Yacoub, Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA

Ahmad M. Yacoub received the B.S. degree in Electrical Engineering from Princess Sumaya University for Technology Amman, Jordan, in 2014 and the M.S. degree in Electrical and Computer Engineering from Oakland University, Rochester, Michigan, in 2018. He is currently pursuing the Ph.D. degree in Electrical and Computer Engineering at Oakland University. He served as a Research Assistant at Applied EMAG and Wireless lab at Oakland University from 2016-2018. He has been employed in Molex LLC, Grand Blanc, Michigan from 2018 until present. Yacoub’s research interests reside in area of applied electromagnetics with emphasis on antenna measurements, antenna modeling/ analysis and antenna design. He is an inventor/coinventor of 2 patents.

Daniel N. Aloi, Department of Electrical Engineering Oakland University, Rochester, Michigan 48309, USA

Daniel N. Aloi received his B.S. (1992), M.S. (1996) and Ph.D. (1999) degrees in Electrical Engineering from Ohio University, located in Athens, Ohio, USA. He served as a Research Assistant from 1995-1999 in the Avionics Engineering Center within the School of Engineering and Computer Science at Ohio University; Summer Intern at Rockwell International in Cedar Rapids, Iowa, and Senior Project Engineer at OnStar, Incorporated, a subsidiary of General Motors from 2000-2002. He has been employed in the Electrical and Computer Engineering Department at Oakland University in Rochester, Michigan from 2002 until present. He is the Founder and Director of the Applied EMAG and Wireless Lab at Oakland University.
Aloi’s research interests reside in area of applied electromagnetics with emphasis on antenna measurements, antenna modeling/analysis and antenna design. He is a member of the Institute of Navigation and is a senior member of the Institute of Electrical and Electronics Engineers (IEEE). He has received in excess of $4M in research funding from a variety of federal and private entities including the Federal Aviation Administration, Defense Advanced Research Program Agency (DARPA) and the National Science Foundation (NSF). He has authored/co-authored over 100 technical papers and is an inventor on 5 patents.

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Published

2021-11-04

How to Cite

[1]
M. O. . Khalifa, A. M. . Yacoub, and D. N. . Aloi, “Compact 2x2 and 4x4 MIMO Antenna Systems for 5G Automotive Applications”, ACES Journal, vol. 36, no. 06, pp. 762–778, Nov. 2021.

Issue

2021: Vol 36 Iss 6

Section

General Submission