一个紧而高效的设计为N78/48 5G应用的双端口MIMO天线
Manumula Srinubabu1, Nuthakki Venkata Rajasekhar1
1School of Electronics, VIT-AP University, Amaravati, A.P., India.
Heliyon
|April 10, 2024
概括
本研究介绍了一种小型的,双端口多输入多输出 (MIMO) 天线,用于5G应用. 这种新的设计实现了宽阻抗带宽和优异的隔离,使其适用于6GHz以下频率.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线设计天线设计
背景情况:
- 现代无线通信系统,特别是5G,需要在紧的形状因素中提供高性能天线.
- 在密切距离的多输入,多输出 (MIMO) 天线元件中实现宽带宽和高隔离率是一个重大的设计挑战.
研究的目的:
- 设计和验证一个紧的,为N78/48应用和5G sub-6GHz要求量身定制的双端口MIMO天线.
- 通过创新的结构修改,提高天线性能,特别是阻抗带宽和元素隔离.
主要方法:
- 在FR-4基板上开发了一种新的不规则的多边形天线几何形状,带有突出的条纹.
- 整合了包括部分截断地面,接地头,侧头和T形脱元件在内的技术,以改善隔离和带宽.
- 通过s参数分析验证性能,并与测量数据进行比较.
主要成果:
- 该天线实现了一个广泛的阻抗带宽 (Sxx < -10 dB) 从3.25-3.85 GHz.
- 在整个操作频段中保持了出色的隔离 (S21 > -19.25 dB),尽管密切的元素间距为1.5 mm.
- 峰值增益达到3.3dBi,辐射效率为92%,并记录了MIMO性能指标,如0.0089的ECC.
结论:
- 拟议的天线设计为5G sub-6GHz应用提供了紧而高效的解决方案.
- 解元件和地面平面修改的整合有效地减轻了相互合,并提高了性能.
- 该天线满足了现代无线通信系统的严格要求,显示了高收益,效率和隔离.
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