Compact dual-band high-gain MIMO antenna with multi-stage notched microstrip design for sub-THz communications

Al Gburi, Ahmed Jamal Abdullah and Azzouz, Abdelbasset and Bouhmidi, Rachid and Chetioui, Mohammed and Zakaria, Zahriladha (2025) Compact dual-band high-gain MIMO antenna with multi-stage notched microstrip design for sub-THz communications. Proceedings of the Bulgarian Academy of Sciences, 78 (10). pp. 1488-1496. ISSN 1310-1331

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Abstract

This paper presents a compact two-port MIMO antenna designed for 0.1–1 THz applications. The antenna features a multi-stage notched microstrippatch, fed by a 50-ohm line with a 0.02 mm feed width, built on a polyimide sub-strate (thickness: 0.04 mm,εr= 4.3, loss tangent= 0.004). With a footprint of0.4×0.79mm2, it resonates at 0.372 THz and 0.762 THz, offering bandwidthsof 20 GHz and 60 GHz. Simulations using HFSS v15 show return losses of−30.73dB and−31.76dB,VSWRs of 1.06 and 1.05, and high gains of 5.00 dBi and 13.30 dBi. The de-sign ensures strong isolation (ECC<0.02), making it suitable for compact, high-gain THz MIMO systems.

Item Type:	Article
Uncontrolled Keywords:	Compact design, Dual-band, ECC, HFSS, High gain, Terahertzantenna
Divisions:	Faculty Of Electronics And Computer Technology And Engineering
Depositing User:	Norfaradilla Idayu Ab. Ghafar
Date Deposited:	13 May 2026 01:00
Last Modified:	13 May 2026 01:00
URI:	http://eprints.utem.edu.my/id/eprint/29698
Statistic Details:	View Download Statistic

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