Miniaturized UWB antenna design for 5G and space-based microwave applications

Document Type

Article

Publication Title

Results in Engineering

Abstract

This article presents an innovative Ultra-Wideband (UWB) Miniaturized Radiator tailored for microwave applications. The design addresses key challenges such as achieving broad impedance bandwidth, maintaining a compact form factor, and ensuring high radiation efficiency. Extensive simulations using CST Microwave Studio were conducted on a 13 × 14 × 1.5 mm³ FR-4 substrate to comprehensively evaluate the performance of the antenna. The proposed design exhibits notable features, such as an impressive 121.8 % impedance bandwidth and a remarkable -28 dB (S11). Ensuring consistent radiation patterns, the antenna guarantees reliable and efficient operation. It operates from 3.4 GHz to 14 GHz, with a middle point of 8.7 GHz, and an efficiency of 82.9 % with delivers a wide gain of 3.92 dBi, making it quite suitable for many uses. Its design is particularly suitable for communications in the UWB, S-band, C-band, and X-band.

DOI

10.1016/j.rineng.2025.105592

Publication Date

9-1-2025

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