一个通用接地超宽带多样性/MIMO天线,具有高度的元素间隔离
Shailesh1, Garima Srivastava2, Sachin Kumar3
1University School of Information, Communication and Technology, Guru Gobind Singh Indraprastha University, Delhi, 110078, India.
Scientific reports
|July 27, 2025
概括
本研究介绍了一种超宽带 (UWB) 多输入多输出 (MIMO) 天线. 紧的单面设计为物联网 (IoT) 安全系统提供了高性能.
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:
- 超宽带 (UWB) 技术能够实现高数据速率,但需要高效的天线解决方案.
- 多输入多输出 (MIMO) 系统可以提高无线通信的可靠性和容量.
- 紧,高性能天线对于将UWB MIMO集成到现代设备中至关重要.
研究的目的:
- 提出和分析一个新的UWB MIMO天线.
- 为了在一个紧的,单面的设计中实现良好的隔离和多样性性能.
- 评估天线是否适合物联网 (IoT) 应用.
主要方法:
- 使用修改的科赫碎形散热器和共平面波导 (CPW) 输送的UWB天线的设计.
- 通过两个天线元件的180°旋转安排实现MIMO能力.
- 整合一个曲线用于地面连接和隔离.
- 对S参数,时间域响应和MIMO多样性参数的分析.
主要成果:
- 实现了126.48%的阻抗带宽 (3.24-14.39 GHz).
- 保持了高效率 (>86%) 和峰值增益 (6.1 dB).
- 证明了优秀的MIMO多样性性能 (例如,ECC<0.05,DG ≈10 dB).
结论:
- 拟议的UWB MIMO天线具有紧的尺寸,良好的隔离和卓越的性能.
- 该天线符合关键的多样性参数,使其适用于高数据速率的应用.
- 它的特性与智能办公室基于物联网的安全系统的要求非常一致.
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