一个新的高隔离4端口紧型MIMO天线与DGS用于5G应用
Cem Güler1, Sena Esen Bayer Keskin2
1Department of Airframe and Powerplant Maintenance, Kırklareli University, Kırklareli 39750, Turkey.
Micromachines
|July 29, 2023
概括
本研究介绍了一种紧的四端口多输入多输出 (MIMO) 天线,用于5G毫米波通信. 该设计利用有缺陷的地面结构来实现高隔离性和宽带宽,适合移动设备.
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:
- 对高速无线通信的需求需要为5G技术提供先进的天线解决方案.
- 毫米波 (mm-wave) 频率提供了很大的带宽,但在天线设计方面存在挑战,特别是在移动应用中.
研究的目的:
- 为5G毫米波通信频段设计和实现一个低调的四端口多输入多输出 (MIMO) 天线.
- 使用有缺陷的地面结构 (DGS) 增强天线隔离和阻抗带宽.
- 评估MIMO性能指标用于实际的5G应用.
主要方法:
- 一个常规的单极补丁天线被设计和优化为26GHz.
- 有半圆槽和圆形/矩形槽的正方形DGS被纳入地面平面.
- 四个对称的辐射元件正交排列,以减少尺寸和改善隔离.
- 该天线是在罗杰斯5880基板上制造的.
主要成果:
- 在26 GHz频段实现了超过34.2dB的隔离.
- 覆盖了5G毫米波频段 (25.28-28.02 GHz),带宽为10 dB.
- 获得了8.72dBi的最大增益.
- 观察到相互合和外相关系数 (ECC) 值的降低.
结论:
- 拟议的紧型MIMO天线符合5G毫米波通信的要求.
- DGS的设计有效地提高了隔离和带宽.
- 天线的性能指标表明它适用于智能设备,手机和传感器.
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