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用于5G毫米波网络的具有增强方向图分集的阵列激励宽带高增益天线。

Array inspired wideband and high gain antenna with enhanced pattern diversity for 5G mm wave networks.

作者信息

Alqwaifly Nawaf A, Awan Wahaj Abbas, Alsaab Nabeel, Alsunaydih Fahad Nasser, Alhassoon Khaled

机构信息

Department of Electrical Engineering, College of Engineering, Qassim University, Buraydah, Saudi Arabia.

Information and Communication Engineering, Chungbuk National University, Cheogju, 28644, South Korea.

出版信息

Sci Rep. 2025 Jul 28;15(1):27383. doi: 10.1038/s41598-025-12868-w.

DOI:10.1038/s41598-025-12868-w
PMID:40721797
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12304096/
Abstract

This paper presents a four-port MIMO antenna array designed for future 5G millimeter-wave applications. Initially, a single antenna element is developed by loading two semi-circular stubs onto a basic rectangular patch to enhance the impedance bandwidth. To further improve the antenna's performance, a three-element array is designed and optimized for high-performance characteristics. Subsequently, the array is extended to a four-element MIMO configuration for diverse applications. The proposed antenna system is designed and analyzed using Rogers TMM-4 substrate with a thickness of 1.52 mm. This substrate is selected due to its low loss and dielectric properties similar to those of FR-4. The performance of all three antenna designs is evaluated in terms of S-parameters, gain versus frequency, radiation patterns, and radiation efficiency. Additionally, MIMO performance parameters are studied for the MIMO antenna configuration. The proposed antennas operate in the millimeter-wave frequency band ranging from 24.4 to 27.9 GHz. Beyond return loss and operational bandwidth, the array also offers high gain, and the investigation of MIMO performance metrics demonstrates excellent characteristics. To verify and validate the simulated results, hardware prototypes of both the standalone and array antennas are fabricated and measured. The measured results show good agreement with the simulated data. Finally, the performance of the proposed antenna is compared with recently published work. The results and comparison confirm that the proposed antenna features a compact size and simple structural configuration, while offering wide bandwidth, high gain, and acceptable MIMO parameter values. These attributes make the proposed antenna a strong candidate for integration into upcoming 5G devices operating in the millimeter-wave spectrum.

摘要

本文介绍了一种为未来5G毫米波应用设计的四端口MIMO天线阵列。首先，通过在基本矩形贴片上加载两个半圆形短截线来开发单个天线元件，以提高阻抗带宽。为了进一步改善天线性能，设计并优化了一个三元阵列以实现高性能特性。随后，将该阵列扩展为四元MIMO配置以用于各种应用。所提出的天线系统使用厚度为1.52毫米的罗杰斯TMM-4基板进行设计和分析。选择该基板是因为其低损耗以及与FR-4类似的介电特性。从S参数、增益与频率的关系、辐射方向图和辐射效率等方面评估了所有三种天线设计的性能。此外，还研究了MIMO天线配置的MIMO性能参数。所提出的天线工作在24.4至27.9GHz的毫米波频段。除了回波损耗和工作带宽外，该阵列还具有高增益，并且对MIMO性能指标的研究表明其具有优异的特性。为了验证和确认仿真结果，制作并测量了独立天线和阵列天线的硬件原型。测量结果与仿真数据吻合良好。最后，将所提出天线的性能与最近发表的工作进行了比较。结果和比较证实，所提出的天线尺寸紧凑、结构配置简单，同时具有宽带宽、高增益和可接受的MIMO参数值。这些特性使所提出的天线成为集成到即将推出的工作在毫米波频谱的5G设备中的有力候选者。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1851/12304096/8d89028d12da/41598_2025_12868_Fig14_HTML.jpg
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Heliyon. 2024 Oct 12;10(20):e39228. doi: 10.1016/j.heliyon.2024.e39228. eCollection 2024 Oct 30.
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Flexible four-port MIMO antenna for 5G NR-FR2 tri-band mmWave application with SAR analysis.用于5G NR-FR2三频段毫米波应用并带有比吸收率分析的柔性四端口多输入多输出天线。
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A shared-aperture pentaband antenna with high impedance surface for CubeSat application.
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Planar MIMO antenna for mmWave applications: Evolution, present status & future scope.用于毫米波应用的平面多输入多输出天线：演进、现状与未来展望。
Heliyon. 2023 Feb 2;9(2):e13362. doi: 10.1016/j.heliyon.2023.e13362. eCollection 2023 Feb.
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Isolation Improvement of Parasitic Element-Loaded Dual-Band MIMO Antenna for Mm-Wave Applications.用于毫米波应用的加载寄生元件双频段MIMO天线的隔离度改善
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