在 5G Sub 6 GHz 应用程序的光圈供电介电共振器 MIMO 天线中增强了隔离
Arpita Patel1, Trushit Upadhyaya1, Pandey Rajat Girjashankar2
1Electronics and Communication Department, Chandubhai S. Patel Institute of Technology, Charotar University of Science & Technology, Changa, Gujarat, India.
Scientific reports
|March 28, 2025
概括
本研究介绍了用于5G MIMO系统的四端口介电共振器天线 (DRA),实现高隔离和双频段操作. 新的设计提高了先进无线通信的效率和多样性性能.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
- 无线通信无线通信
背景情况:
- 5G网络需要高性能天线来提高数据速率和可靠性.
- 多输入多输出 (MIMO) 技术对于实现这些5G要求至关重要.
- 介电共振天线 (DRA) 具有微型化和高效率等优势.
研究的目的:
- 为6 GHz以下的5G MIMO应用提出和分析一个四端口DRA.
- 为了实现高度隔离,双频段运行,并在天线设计中提高效率.
- 为了验证天线对5G通信系统的性能.
主要方法:
- 在三角形补丁和方形DRA之间使用了电磁合.
- 有针对性的共振模式 (TEx111和TEx121) 对宽带和极化多样性感到兴奋.
- 使用材料 (εr=9.9,tanδ=0.0001) 实现了低损耗和高效率.
主要成果:
- 在没有额外的脱结构的情况下,可以实现超过20dB的自我隔离.
- 获得了 88.9% 和 93.8% 的高效率.
- 峰值增益为9.12dBi和8.58dBi,记录在3.72GHz和4.75GHz之间.
- 优秀的多样性性能得到了证实,信封相关系数 (ECC) 为0.042,频道容量损失 (CCL) 低于0.2位/秒/Hz.
结论:
- 拟议的四端口DRA证明了5G MIMO系统的优越隔离,效率和多样性性能.
- 设计的特点与6GHz以下5G应用的严格要求保持一致.
- 该天线的验证性能证实其适用于下一代无线通信.
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