一个基于5G无线应用的模态分析的紧型MIMO天线
Parveez Shariff Bhadravathi Ghouse1, Deepthi Mariam John1, Pallavi R Mane1
1Department of Electronics and Communication Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India.
Micromachines
|June 27, 2024
概括
这项研究引入了一个28GHz的MIMO天线,使用连续供应的双元二极管阵列和一个超表面来改善隔离. 该设计增强了通道容量,并实现了超过21dB的隔离,这对于5G应用至关重要.
科学领域:
- 电磁学和天线设计
- 超材料和超表面.
- 无线通信系统无线通信系统
背景情况:
- 毫米波 (mmWave) 频率,如28 GHz,对于下一代无线系统如5G至关重要.
- 改善多输入多输出 (MIMO) 天线系统的隔离对于提高通道容量和整体系统性能至关重要.
- 超表面为电磁波操纵提供了新的解决方案,包括天线隔离增强.
研究的目的:
- 为了呈现一个平面的,连续养的,双元双极阵列MIMO天线,运行在28GHz.
- 研究使用超表面结构来改善MIMO天线元件之间的隔离.
- 分析天线的性能,包括带宽,增益和多样性参数.
主要方法:
- 设计和模拟一个连续供应的,不均的双元双极阵列天线.
- 将天线扩展到三元MIMO配置.
- 整合一个矩形形的超表面结构与一个有缺陷的地面平面,以抑制表面波合.
- 对天线性能的描述,包括S参数,辐射模式和多样性指标.
主要成果:
- 拟议的MIMO天线在28GHz的频率共振,激发J1,J2和J3模式的组合.
- 超表面和有缺陷的地面结构实现了超过21dB的隔离改善.
- 该天线的带宽为26.729.6GHz,峰值增益为6.3dBi.
- 通过使用外相关系数,多样性增益和频道容量损失验证天线性能.
结论:
- 开发的平面MIMO天线具有基于地表的隔离,有效地运行在28 GHz.
- 拟议的隔离技术显著抑制了表面波合,提高了MIMO性能.
- 天线的性能指标表明它适用于高频无线通信应用.
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