3D高度隔离的6端口三带MIMO天线系统,为5G物联网应用程序提供360°覆盖,基于机器学习验证
Md Afzalur Rahman1, Samir Salem Al-Bawri2,3, Sultan S Alharbi4
1Space Science Centre, Climate Change Institute, Universiti Kebangsaan Malaysia (UKM), 43600, Bangi, Malaysia.
Scientific reports
|January 3, 2025
概括
一个新的多频段天线支持5G物联网,通过在6GHz以下,Ku和毫米波频段运行. 机器学习验证了其性能,使先进的6端口MIMO系统能够实现360度连接.
科学领域:
- 电气工程 电气工程
- 无线通信无线通信
背景情况:
- 广泛的5G物联网 (IoT) 网络需要能够处理广泛频率范围的多功能天线系统.
- 现有的天线解决方案往往难以覆盖第五代物联网应用所需的多种频段.
研究的目的:
- 为5G物联网应用设计的新型多频段天线,在6GHz以下 (2-7GHz),Ku频段 (13-17.5GHz) 和毫米波 (25-39GHz) 频段运行.
- 根据单元天线设计,开发一个具有增强性能的6端口多输入多输出 (MIMO) 系统.
主要方法:
- 天线使用集成的槽和寄生组件来实现多频段操作.
- 机器学习,特别是随机森林回归模型,用于预测和验证单元天线的实现增益,达到89%以上的准确性.
- 使用代码设计技术设计了一个6端口的MIMO配置.
主要成果:
- 该天线展示了三带运行带宽,最大实现的收益为4.3dBi (sub-6 GHz),5.5dBi (Ku-band) 和9.9dBi (毫米波).
- 6个端口的MIMO系统实现了360度覆盖,高隔离 (21-30dB跨频段) 和模式多样性.
- 机器学习验证证实了整个频谱的出色性能.
结论:
- 开发的多频带天线和MIMO系统非常适合未来的5G物联网连接.
- 这项技术有可能在智能环境,车辆通信和广播服务中显著推进应用.
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