高度可集成的平面结构印刷循环偏振天线,用于新兴的宽带物联网应用在毫米波波段
Ubaid Ullah1, Slawomir Koziel2,3, Anna Pietrenko-Dabrowska3
1Networks and Communication Engineering Department, Al Ain University, P.O.Box (112612), Abu Dhabi, UAE. ubaid.ullah@aau.ac.ae.
Scientific reports
|May 2, 2024
概括
本研究介绍了一种用于物联网 (IoT) 应用的新型宽带天线,提供了改进的连接性. 该设计具有平面几何形状,在毫米波波段实现了出色的性能.
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:
- 物联网 (IoT) 设备需要强大的无线连接,特别是在偏远或地理多样化的地区.
- 现有的天线解决方案在提供可靠的通信方面面临挑战,原因是偏振不匹配和带宽有限.
- 毫米波 (mm-Wave) 频率提供了很大的带宽,但需要专门的天线设计才能高效运行.
研究的目的:
- 为物联网 (IoT) 应用提出和验证一种具有平面几何学的新型打印宽带天线.
- 解决物联网通信系统中极化不匹配和有限带宽的挑战.
- 为了实现宽侧方向的高效辐射,具有高增益和宽阻抗带宽.
主要方法:
- 建议采用共平面波导料改造的微条线单极天线设计.
- 循环偏振波通过定期插入的,沿微条线不对称地激发的矩形块来激发.
- 进行了数值模拟和实验验证,以验证天线的性能.
主要成果:
- 该天线实现了超过8 GHz的阻抗带宽,在毫米波频段内从25至33.5 GHz运行.
- 在26至33.5GHz工作频段内,获得低于3dB的轴向比.
- 在宽侧方向实现了10dBic的平均带内实现增益.
结论:
- 拟议的打印宽带天线显示了提高物联网设备连接的巨大潜力.
- 该设计有效地减轻了极化不匹配,这对于与不同方向的卫星进行通信至关重要.
- 平面几何和验证的性能使其适合各种物联网部署.
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