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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics
Narinderjit Singh Sawaran Singh
INTI International University
Computer Science & IT Electrical & Electronics Engineering

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Dual-band MIMO antenna for wideband THz communication in future 6G applications Jamal Hossain Nirob; Kamal Hossain Nahin; Md. Ashraful Haque; Md. Sharif Ahammed; Narinderjit Singh Sawaran Singh; Redwan A. Ananta; Md. Kawsar Ahmed; Liton Chandra Paul
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 23, No 2: April 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v23i2.26553

Abstract

This paper presents an industrial and innovation dual-band multiple-input multiple-output (MIMO) antenna designed for terahertz (THz) frequencies to enhance future sixth-generation (6G) communication systems. The antenna utilizes a polyimide substrate with a thickness of 12 µm, a dielectric constant of 3.5 and a tangent loss of 0.0027. Both the patch and the ground plane are constructed from copper, ensuring robust performance. The antenna achieves resonance at 5.45 THz with a gain of 14 dB and a bandwidth of 0.7 THz and at 6.34 THz with a gain of 14.44 dB and a bandwidth of 1.77 THz. Additionally, it demonstrates a minor peak at 7.4 THz and a maximum efficiency of 95.87%. The transmission coefficient shows an isolation of -31.01 dB, indicating excellent separation between antenna elements. Key MIMO performance metrics, containing the envelope correlation coefficient (ECC), diversity gain (DG), mean effective gain (MEG), total active reflection coefficient (TARC), and channel capacity loss (CCL), were analyzed, displaying optimum performance. An analogous circuit was designed and simulated in advanced design system (ADS) to validate these discoveries, creating comparable reflection coefficients to those attained from computer simulation technology (CST) simulations. These findings approve the antenna’s possible for THz-band 6G wireless communication applications.
Graphene-based THz antenna with a wide bandwidth for future 6G short-range communication Md. Kawsar Ahmed; Md. Sharif Ahammed; Md. Ashraful Haque; Narinderjit Singh Sawaran Singh; Jamal Hossain Nirob; Redwan A. Ananta; Kamal Hossain Nahin; Liton Chandra Paul
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 23, No 2: April 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v23i2.26562

Abstract

In this study, we present the design and investigation of a terahertz (THz) frequency antenna optimized for the 2-10 THz range, featuring both single-element and multiple-input multiple-output (MIMO) configurations, with a focus on industrial and innovative applications to enhance future 6G communication systems. The antenna, constructed on a polyimide substrate with dimensions of 90×30 µm, achieves a bandwidth from 4.0328 to 10 THz. The MIMO configuration, which includes two ports, demonstrates excellent isolation with a value of -27 dB. The proposed antenna system achieves a gain of 12.38 dB and an efficiency of 89%, making it highly appropriate for THz communication applications. Furthermore, the envelope correlation coefficient (ECC) of 0.002 and diversity gain (DG) of 9.99 affirm the antenna’s effectiveness in MIMO systems. A resistance inductance capacitance (RLC) circuit model was employed to accurately represent the S11 curve, ensuring precise characterization of the antenna’s performance. These results underscore the probability of the proposed antenna for high-speed, short-range communication systems.
Co-Authors Deshinta Arrova Dewi Jamal Hossain Nirob JosephNg Poh Soon Kamal Hossain Nahin Liton Chandra Paul Malathy Batumalay Md Ashraful Haque Md Ashraful Haque Md Ashraful Haque Md. Abdul Kader Jilani Md. Afzalur Rahman Md. Afzalur Rahman Md. Ashraful Haque Md. Fatin Ishraque Md. Kawsar Ahmed Md. Sharif Ahammed Mirajul Islam Mohd Azman Zakariya Mohd Azman Zakariya Rajermani Thinakaran Redwan A. Ananta Redwan Al Mahmud Asad Ananta Redwan Al Mahmud Bin Asad Ananta