一个5G MIMO移动智能终端天线的设计,具有metasurface加载
He Xia1, Heming Fan2, Zhulin Liu3
1State Grid Jibei Electric Power Co., Ltd., Chengde County Power Supply Branch, Bancheng Street Station Road, Chengde 067000, China.
Sensors (Basel, Switzerland)
|May 14, 2025
概括
本研究介绍了一种紧的双带5G MIMO天线阵列,用于增强无线通信. 拟议的设计实现了高度的隔离和增益,这对于下一代移动网络至关重要.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- 由于空间有限,5G应用需要多个频段,因此需要先进的天线解决方案.
- 现有的天线设计往往难以平衡小型化与多频段性能和隔离.
研究的目的:
- 提出和验证一个八个单元的双带5G MIMO天线阵列,以改善多带覆盖和通信能力.
- 为了实现微型化和高性能,使用槽式,分支式加载和超表面技术.
主要方法:
- 一个双带单极天线阵列的设计,在3.23-4.14 GHz (n78) 和4.31-5.3 GHz (n79) 运行.
- 为小型化和双频段运行实施分槽和分支装载.
- 元素的直角放置和超表面结构的整合,以增强隔离和增强.
主要成果:
- 在天线元件之间实现了超过18dB的隔离.
- 阵列的峰值增益达到11.95dBi,总增益在6至12dBi之间.
- 演示出优异的性能指标,包括低封面相关系数 (<0.05),高通道容量 (>41 bps/Hz),显著的多样性增益 (~10 dB) 和高辐射效率 (>72%).
结论:
- 拟议的八个单元的双频5G MIMO天线阵列有效地应对空间有限和多频段要求的挑战.
- 插槽,分支加载,直角元件放置和超表面技术的整合,为5G应用提供了卓越的天线设计,具有出色的隔离,增益和整体性能.
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