Design and optimization of a conformal 433 MHz helmet-mounted antenna for tactical application

Ramli, Noor Amalina and Bashri, Mohd Saiful Riza (2025) Design and optimization of a conformal 433 MHz helmet-mounted antenna for tactical application. In: 2025 IEEE International RF and Microwave Conference (RFM), 17-19 September 2025, Penang, Malaysia.

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Abstract

This study investigates the design and simulation of a conformal antenna operating at 433 MHz for integration onto a military helmet. The antenna is optimized to follow the curved surface of the helmet, enabling low-profile deployment for soldier-worn communication systems. Full-wave electromagnetic simulations were conducted using CST Studio Suite to evaluate key performance parameters, including the reflection coefficient (S₁₁), radiation pattern, and antenna gain. The results demonstrate good impedance matching at the target frequency, with a stable radiation pattern and acceptable gain despite the curvature and proximity to the human head. These findings indicate that the proposed helmet-mounted conformal antenna is a promising candidate for reliable tactical communication at 433 MHz, with potential for further improvement and real-world deployment.

Item Type:	Proceeding Paper (Plenary Papers)
Uncontrolled Keywords:	conformal antenna, monopole antenna, specific absorption rate (SAR).
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunication. Including telegraphy, radio, radar, television
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Science
Depositing User:	Dr. Mohd Saiful Riza Bashri
Date Deposited:	18 Sep 2026 11:31
Last Update:	18 Sep 2026 11:31
Queue Number:	2026-09-Q5125
URI:	http://irep.iium.edu.my/id/eprint/131289
Indexed In:	SCOPUS

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