SIW Cavity-backed Gain-enhanced Circularly Polarized Metamaterial-loaded Dual-band MIMO Antenna for WLAN and 5G Applications

Authors

  • Infant Leo S Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India
  • G. Aloy Anuja Mary Department of Electronics and Communication Engineering, School of Electrical and Communication, Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology, Avadi, Chennai-600062, India
  • A. Syed Mazhar Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India
  • Satyam Mishra Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India
  • G. Jothi Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences Chennai, Tamilnadu, India

DOI:

https://doi.org/10.13052/2024.ACES.J.400410

Keywords:

5G sub-6 GHz, circularly polarized, gain enhancement, metasurface, MIMO antenna, SIW cavity

Abstract

This work proposes the development of a metamaterial-loaded circularly dual-band cavity-backed substrate integrated waveguide (SIW) MIMO antenna designed for the sub-6 GHz, emphasizing sub-6 GHz 5G and WLAN applications. The creation of dual operating bands is enabled via a modified dual split ring resonator (CSRR)-shaped slot that is etched into the SIW cavity-backed rectangular radiator. Additionally, the antenna incorporates 6x3 modified SSRR unit cells strategically located in front of the intended radiators along the y-axis. This arrangement enables circular polarization and enhances the gain of the proposed radiator at 3.3 GHz and 5 GHz. The metamaterial loading of the proposed antenna yields a gain of 5.5 dB at 2.4 GHz and 5.4 dB at 5 GHz. Further, the implementation of a CSRR electromagnetic bandgap (EBG) decoupling structure reduces the mutual coupling between the radiators. The antenna exhibits an exceptional diversity performance. The experimental validation of the system confirms its intended functionality.

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Author Biographies

Infant Leo S, Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India

Infant Leo S received the Bachelor of Engineering degree in Electronics and Communication Engineering and Master of Engineering degree in Communication Systems from the Anna University, Chennai, Tamil Nadu, India, in 2015 and 2019, respectively, and is currently pursuing the Doctor of philosophy from the National Institute of Technology Tiruchirappalli, Tamil Nadu, India. He is currently working as an Assistant Professor in the Department of Electrical, Electronics and Communication Engineering at Galgotias University in Greater Noida, Gautam Buddh Nagar, Uttar Pradesh. He has been interested in RF Microwave antennas circuit design and electromagnetics for more than 8 years.

G. Aloy Anuja Mary, Department of Electronics and Communication Engineering, School of Electrical and Communication, Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology, Avadi, Chennai-600062, India

G. Aloy Anuja Mary received the B.E. and M.E. degrees in Electronics Engineering from the Manonmaniam and Anna University in 2003 and 2005, respectively, and Ph.D from Anna University, Chennai, Tamil Nadu, India. She is currently Professor in ECE at Vel tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology,Chennai. She has been interested in the WirelessCommunication and Network Security for more than 15 years.

A. Syed Mazhar, Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India

A. Syed Mazhar received the B.E, M.E and Ph.D. (Pursuing) in Electronics and Communication Engineering from the Anna University, Chennai, Tamil Nadu India, in 2008 and 2012, respectively, and an MBA in Project Management from the Alagappa University, Karaikudi, Tamil Nadu, India. He is currently working as an Assistant Professor Gr-3 in ECE at Galgotias University, Greater Noida, U.P, India. He has been interested in medical electronics, microprocessor and microcontroller and satellite communications for more than 13 years.

Satyam Mishra, Department of Electrical, Electronics and Communication Engineering, Galgotias University Gautam Buddh Nagar, Greater Noida, Uttar Pradesh, India

Satyam Mishra received the Bachelor of Technology degree in Electronics and Communication Engineering from the Dr.A.P.J.Abdul Kalam Technical University at Uttar Pradesh, India, in 2017 and Master of Technology degree in Signal Processing and Digital design from the Delhi Technological University at Delhi, India, in 2022 and is currently pursuing the Doctor of philosophy from the National Institute of Technology Delhi, India. He is currently working as an Assistant Professor in the Department of Electrical, Electronics and Communication Engineering at Galgotias University in Greater Noida, Gautam Buddh Nagar, Uttar Pradesh. He has been interested in the numerical aspects of antenna design and electromagnetic Machine Learning for more than 5 years.

G. Jothi, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences Chennai, Tamilnadu, India

G. Jothi received the B.E. and M.E. degrees in Computer Science Engineering from Anna University, Chennai, Tamil Nadu India. She is an adjunct professor in ECE at Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai.

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Published

2025-04-30

How to Cite

[1]
I. L. . S, G. A. A. . Mary, A. S. . Mazhar, S. . Mishra, and G. . Jothi, “SIW Cavity-backed Gain-enhanced Circularly Polarized Metamaterial-loaded Dual-band MIMO Antenna for WLAN and 5G Applications”, ACES Journal, vol. 40, no. 04, pp. 363–372, Apr. 2025.

Issue

2025: Vol 40 Iss 4

Section

General Submission

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