Optimisation of compact UWB circularly polarised antenna

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Guan, Shanyue and Wu, Shiyue and Liu, Shaoshuai and Zhao, Zhiyong (2025) Optimisation of compact UWB circularly polarised antenna. International Journal of Information and Communication Technology, 26 (18). pp. 48-64. ISSN 1741-8070 (https://doi.org/10.1504/IJICT.2025.146694)

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Abstract

This study shows a compact and ultra-wideband (UWB) circularly polarised antenna designed to meet demands of modern wireless communication systems. By incorporating a novel semi-circular slot and innovative decoupling elements, the antenna achieves wideband operation, high isolation, and a miniaturised footprint. Simulations by the software ANSYS HFSS show excellent impedance matching, broad axial ratio bandwidth (ARBW), and stable gain across a wide frequency range. Experimental results further verify its potential for 5G networks and satellite navigation applications. The antenna has a compact structure, high radiation efficiency and effective decoupling strategy, which provides a reference scheme for the further development of wireless communication system.

ORCID iDs

Guan, Shanyue, Wu, Shiyue, Liu, Shaoshuai and Zhao, Zhiyong ORCID logoORCID: https://orcid.org/0009-0006-1457-1359;
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