A New Geometry of Multi-band MIMO Antenna for 5G and 6G Systems

Karrar Shakir Muttair; Oras Ahmed Shareef; Hazeem Baqir Taher; Faiz Arith

doi:10.51173/jt.v6i4.2596

Authors

Karrar Shakir Muttair Nanotechnology and Advanced Material Research Unit, Faculty of Engineering, University of Kufa, Najaf, Iraq
Oras Ahmed Shareef Department of Computer Engineering Techniques, Electrical Engineering Technical College, Middle Technical University, Baghdad, Iraq
Hazeem Baqir Taher Department of Computer Science, College of Education for Pure Sciences, Thi-Qar University
Faiz Arith Faculty of Electronic & Computer Engineering (FKEKK), University Technical Malaysia Melaka (UTeM), Durian Tunggal, Malaysia

DOI:

https://doi.org/10.51173/jt.v6i4.2596

Keywords:

MIMO Antenna Design, 5G And 6G Antennas, CST, Mutual Coupling, Ku and K Bands, Fabrication Materials

Abstract

The demand for high-efficiency, small-sized ultrawide-band (UWB) antennas has risen due to the need for fast wireless communication systems. In this manuscript, we propose a novel geometry for a 4-port multi-in multi-out (MIMO) antenna with an L-shaped structure that solves the limitations of current designs in UWB applications. The dimensions and thickness of an antenna design are 18×18×1.5875 mm. It operates in multiple bands, such as Ku, K, and millimeter wave (mmWave) spectrum ranging from 17 to 100 GHz. This feature is ideal for small fifth-generation (5G) and sixth-generation (6G) wireless communication devices. We used two separate ground strips at the bottom to minimize interference in the MIMO element design and enhance antenna performance. The antenna performed exceptionally well in all measured parameters. The reflection coefficient (RC) was less than -10 dB, the mutual coupling (MC) coefficient reached -62.4 dB, and the radiation antenna efficiency ranged between 82% and 94%. It achieved the highest gain of 13 dBi at 87 GHz. In addition, the envelope correlation coefficient (ECC) is < 0.02, and the diversity gain (DG) ranges between 9.9 and 10 dB. This antenna surpasses all others in every parameter when compared to proposals by different researchers. This makes it a superior choice for modern wireless devices catering to 5G and 6G networks.

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Author Biographies

Karrar Shakir Muttair, Nanotechnology and Advanced Material Research Unit, Faculty of Engineering, University of Kufa, Najaf, Iraq

Oras Ahmed Shareef , Department of Computer Engineering Techniques, Electrical Engineering Technical College, Middle Technical University, Baghdad, Iraq

Dr. Oras Ahmed Shareef received B.Sc. and M.Sc. degrees in laser and optoelectronic engineering from Al-Nahreen University, Iraq, in 2000 and 2002, respectively, and Ph.D. (2018) in Nanomaterial-based solar cell from Newcastle University, UK. Her research area (within emerging technology and materials group) is renewable energy, with a research portfolio based on the first-principles simulation of defects and impurities in semiconductors, crystal surfaces, nanostructures, and photovoltaic technologies. Furthermore, her interest in communication engineering and related-advanced applications, such as indoor & outdoor wave propagation, as well as antenna designs and applications. Dr. Al-Ani has more than 50 published works in local and international journals. In addition to her participation in several internal and international conferences. Since 2005, Dr. Oras has been a lecturer and an undergraduate supervisor at the College of Electrical Techniques Engineering in Baghdad, Iraq. During her Ph.D. study (2014-2018) at Newcastle University, she had the opportunity to demonstrate and teach in several labs at different levels at the School of Electrical and Electronics Engineering, where she acted as an assistant lecturer and Lab demonstrator. After passing several teaching and engaging training modules at Newcastle University as learning, Dr. Al-Ani was recognized as an Associate Fellow with the British Higher Education Academy.

Hazeem Baqir Taher , Department of Computer Science, College of Education for Pure Sciences, Thi-Qar University

Dr. Hazeem Baqir Taher is a professor at the Department of Computer Science, College of Education for Pure Sciences, Thi-Qar University, Thi-Qar, Iraq. He is also the Director General of the Missions and Cultural Relations in the Iraqi Ministry of Higher Education and Scientific Research. He has a Ph.D. and is interested in working in the field of image processing and intelligent systems. In addition, he published many research papers in his field of specialization.

Faiz Arith, Faculty of Electronic & Computer Engineering (FKEKK), University Technical Malaysia Melaka (UTeM), Durian Tunggal, Malaysia

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