基于元材料的三带紧型MIMO天线系统用于5G物联网应用程序,具有机器学习性能验证
Md Afzalur Rahman1,2, Samir Salem Al-Bawri3,4, Samia Larguech5
1Space Science Centre, Institute of Climate Change , Universiti Kebangsaan Malaysia (UKM), Bangi, 43600, Malaysia.
Scientific reports
|July 1, 2025
概括
使用元材料技术的新型三带多输入多输出 (MIMO) 天线实现了5G和物联网应用的增强带宽,隔离和增益. 机器学习验证了它的性能,证实了它适用于先进的无线通信系统.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
背景情况:
- 超材料 (MTM) 技术为天线增强提供了独特的电磁特性.
- 毫米和微波频段对于现代无线通信至关重要,包括5G和物联网.
- 多输入多输出 (MIMO) 天线系统对于提高无线链路可靠性和数据速率至关重要.
研究的目的:
- 为毫米和微波频率设计和展示一个紧的三带MIMO天线模块.
- 通过整合超材料结构来研究实现的性能提升.
- 验证天线适用于各种高频无线应用,特别是5G和物联网.
主要方法:
- 一个新的三带MIMO天线模块是使用罗杰斯RT-5880基板设计的,具有紧的36x36x1.6mm^3足迹.
- 一个2x1的epsilon-负的元材料阵列被直角地放置在天线元素之间,以影响电磁场.
- 评估了性能指标,包括带宽,隔离,增益,信封相关系数 (ECC) 和多样性增益 (DG).
- 机器学习,特别是K-Nearest Neighbors (KNN) 模型,用于性能验证.
主要成果:
- 该天线在3.5 GHz,5.2 GHz和28 GHz频段有效运行,覆盖微波和毫米波频段.
- 观察到显著的改善:带宽增加了高达10.01%,隔离率提高到24dB (微波) 和32dB (毫米波),实现的收益增加了高达9.3dBi.
- 在ECC低于0.002和DG超过9.98dB时,实现了优异的多样性表现.
- 在验证天线带宽和效率方面,KNN模型实现了97.8%的准确性.
结论:
- 拟议的超材料增强的三带MIMO天线表现出卓越的性能特征.
- 它的紧尺寸,广泛的操作频率和优良的隔离使它成为5G和物联网应用的理想选择.
- 将元材料和基于机器学习的验证集成为先进的天线设计提供了一个有前途的方法.
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