Compact dual-band enhanced bandwidth 5G mm – wave MIMO dielectric resonator antenna utilizing metallic strips

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Aeu-International Journal of Electronics and Communications Pub Date : 2024-09-24 DOI:10.1016/j.aeue.2024.155510

Hamza Ahmad , Mohd Haizal Jamaluddin , Fauziahanim Che Seman , Muhibur Rahman , Nida Nasir , Ayesha Ayub

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Abstract

A compact dual-band Multiple-Input Multiple-Output Dielectric Resonator Antenna with improved bandwidth for 5G mm-wave applications is presented. Two rectangular DRAs mounted on a substrate backed ground plane are excited by microstrip feed through aperture coupling. Notches cut out from center of the DRAs helps to achieve a dual-band response with improved bandwidth by exciting several modes. The isolation between the DRAs is achieved by appropriately positioning metallic strips on walls on of the DRAs. A dual-band response with enhanced bandwidth and mutual coupling reduction. The impedance bandwidth for the proposed design is between 26.5–30 GHz (12.4 %) and 34.2–40 GHz (15.6 %). The maximum isolation achieved in the lower band is 32 dB and above 45 dB in the upper band. The overall size of the design is 1.88λ_o x 0.94λ_o x 0.20λ_o. The design procedure is described, and the role of decoupling strips are explained. A prototype is fabricated and measured to validate the proposed design.

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利用金属带的紧凑型双频增强带宽 5G 毫米波 MIMO 介质谐振器天线

本文介绍了一种紧凑型双频多输入多输出介质谐振器天线，它具有更高的带宽，适用于 5G 毫米波应用。两个矩形介质谐振器安装在一个基底面上，通过孔隙耦合由微带馈电激励。从 DRA 中心切出的凹槽有助于实现双频响应，并通过激发多种模式提高带宽。DRA 之间的隔离是通过在 DRA 壁上适当放置金属条来实现的。双频响应，带宽增强，相互耦合减小。拟议设计的阻抗带宽介于 26.5-30 千兆赫（12.4%）和 34.2-40 千兆赫（15.6%）之间。低频段实现的最大隔离度为 32 dB，高频段超过 45 dB。设计的总体尺寸为 1.88λo x 0.94λo x 0.20λo。介绍了设计程序，并解释了去耦条的作用。制作并测量了一个原型，以验证所提出的设计。

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来源期刊

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.