A Wideband 3-D-Printed Core-Plug Embedded Quarter-Mode Dielectric Resonator Antenna

IF 4.6 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2026-10-01 Epub Date: 2026-08-26 DOI:10.1109/LAWP.2026.3727700

Giacomo Muntoni;Andrea Melis;Matteo Bruno Lodi;Marco Simone;Olga Basile;Giuseppe Mazzarella;Gino Sorbello;Alessandro Fanti

引用次数: 0

Abstract

A novel 3-D-printed wideband core-plug embedded quarter-mode dielectric resonator antenna (QMDRA) is presented in this letter. Reduced size and broadside radiation for the presented antenna are obtained by exploiting the magnetic field symmetry of the fundamental TM_01δ mode. Wideband behavior is obtained by leveraging the core-plug embedded configuration. The antenna has been fabricated taking advantage of the free-form factor of the 3-D-printing technology and employing high-dielectric ceramic filaments. The strong agreement between simulated and measured results shows an impedance bandwidth ranging from 4.31 GHz to 9.24 GHz (73%), a maximum realized gain extending from 5 dBi to 7.05 dBi, and high efficiency (∼90%) for an antenna as small as 0.21λ₀ × 0.21λ₀ × 0.25λ₀.

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宽带3d打印芯塞嵌入式四分之一模介电谐振器天线

本文介绍了一种新型3d打印宽带芯塞嵌入式四分之一模介质谐振器天线（QMDRA）。通过利用基模TM01δ的磁场对称性，减小了天线的尺寸和宽侧辐射。宽带行为是通过利用核心插头嵌入式配置获得的。该天线利用了3d打印技术的自由形状因素，并采用了高介电陶瓷丝。仿真结果与实测结果非常吻合，阻抗带宽范围为4.31 GHz至9.24 GHz(73%)，最大实现增益范围为5 dBi至7.05 dBi，且天线小至0.21λ0 × 0.21λ0 × 0.25λ0时效率高（约90%）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.