Design and Analysis of a Compact MIMO Antenna for 5G mmWave N257, N260, and N262 Band Applications

IF 1.8 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Infrared, Millimeter, and Terahertz Waves Pub Date : 2024-02-01 DOI:10.1007/s10762-024-00971-4

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Abstract

This research presents the design and analysis of a compact MIMO antenna tailored for 5G millimeter-wave applications, specifically targeting bands N257, N260, and N262. The antenna, characterized by its straightforward design, maintains compact dimensions of 10 mm × 16 mm while delivering exceptional performance with high gain. Employing Rogers RT/Duroid 5880 substrate material with a thickness of 0.508 mm, the antenna consists of two crescent-shaped radiating elements (patches) situated on the top surface of the dielectric material, complemented by a slotted ground on the bottom. The radiating elements are fed through a 50-Ω microstrip line. Operating across three distinct bands, the antenna’s capabilities are outlined as follows: the first band spans from 27.2 to 29 GHz, centering around 28 GHz; the second band encompasses the frequency range from 34 to 40.2 GHz, with a center frequency of 39 GHz achieved through slotting crescent-shaped radiating elements; the third band, ranging from 47.5 to 51.3 GHz with a center frequency of 48.7 GHz, is attained by engraving circular slots on the ground. To validate simulation outcomes, a hardware prototype of the antenna is manufactured, showcasing excellent agreement between simulations and measurements. The antenna design is implemented using the CST Microwave Studio software tool and is benchmarked against existing literature. Key attributes of the proposed antenna include its compact size, simple geometry, wide bandwidth, and high gain. The antenna’s favorable MIMO parameters (ECC, TARC, DG, and CCL), coupled with minimal spacing between elements, position it as a promising candidate for forthcoming 5G millimeter-wave communication applications.

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面向 5G 毫米波 N257、N260 和 N262 波段应用的紧凑型 MIMO 天线的设计与分析

摘要本研究介绍了为 5G 毫米波应用量身定制的紧凑型 MIMO 天线的设计和分析，特别是针对 N257、N260 和 N262 频段。该天线设计简洁，尺寸仅为 10 mm × 16 mm，但性能卓越，增益极高。天线采用厚度为 0.508 毫米的罗杰斯 RT/Duroid 5880 衬底材料，由位于介电材料顶面的两个新月形辐射元件（贴片）和位于底面的开槽接地组成。辐射元件通过 50Ω 微带线馈电。天线在三个不同的频段工作，其功能概述如下：第一个频段从 27.2 GHz 到 29 GHz，以 28 GHz 为中心；第二个频段包括 34 GHz 到 40.2 GHz 的频率范围，中心频率为 39 GHz，通过在新月形辐射元件上开槽来实现；第三个频段从 47.5 GHz 到 51.3 GHz，中心频率为 48.7 GHz，通过在地面上雕刻圆形槽来实现。为了验证仿真结果，我们制造了天线的硬件原型，仿真结果与测量结果非常吻合。天线设计使用 CST Microwave Studio 软件工具实现，并以现有文献为基准。拟议天线的主要特性包括体积小巧、几何形状简单、带宽宽和增益高。该天线具有良好的多输入多输出参数（ECC、TARC、DG 和 CCL），加上元件之间的间距最小，使其成为即将到来的 5G 毫米波通信应用的理想候选天线。

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来源期刊

Journal of Infrared, Millimeter, and Terahertz Waves 工程技术-工程：电子与电气

CiteScore

6.20

自引率

6.90%

发文量

审稿时长

3 months

期刊介绍： The Journal of Infrared, Millimeter, and Terahertz Waves offers a peer-reviewed platform for the rapid dissemination of original, high-quality research in the frequency window from 30 GHz to 30 THz. The topics covered include: sources, detectors, and other devices; systems, spectroscopy, sensing, interaction between electromagnetic waves and matter, applications, metrology, and communications. Purely numerical work, especially with commercial software packages, will be published only in very exceptional cases. The same applies to manuscripts describing only algorithms (e.g. pattern recognition algorithms). Manuscripts submitted to the Journal should discuss a significant advancement to the field of infrared, millimeter, and terahertz waves.