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基于类表面等离激元极化激元馈电方法优化介质棒天线性能

Optimizing Dielectric Rod Antenna Performance with Spoof Surface Plasmon Polariton-Based Feeding Method.

作者信息

Chaparala Rishitej, Imamvali Shaik, Tupakula Sreenivasulu, Aljaidi Mohammad, Bansal Shonak, Prakash Krishna, Alkoradees Ali Fayez

机构信息

Department of Electronics and Communication Engineering, SRM University-AP, Guntur 522240, India.

Department of Computer Science, Faculty of Information Technology, Zarqa University, Zarqa 13110, Jordan.

出版信息

Sensors (Basel). 2024 Nov 26;24(23):7543. doi: 10.3390/s24237543.

DOI:10.3390/s24237543
PMID:39686080
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11644619/
Abstract

This study investigates the use of spoof surface plasmon polaritons (SSPPs) as an effective feeding mechanism for antennas functioning within the extremely high-frequency (EHF) range. A novel method is proposed for feeding a dielectric rod antenna with SSPPs, featuring a simple design made from FR-4 material with a relative permittivity of 4.3. In contrast to traditional tapered dielectric rod antennas and their feeding configurations, this design shows promise for achieving a gain of up to 16.85 dBi with an antenna length of 7.6 λ. By carefully optimizing the design, impedance matching and directional radiation characteristics were obtained at 7.3 GHz. Simulations were conducted using CST Microwave Studio to validate and evaluate the design's performance. The enhanced gain, improved impedance bandwidth, and use of cost-effective materials such as FR-4 present a compelling case for adopting this design in future wireless communication technologies. Additionally, the remote sensing properties of the feeder can be utilized for concealed object detection, material characterization, and the analysis of the spectral properties of materials.

摘要

本研究探讨了利用欺骗表面等离激元极化子（SSPPs）作为在极高频（EHF）范围内工作的天线的一种有效馈电机制。提出了一种用SSPPs馈电介质棒天线的新方法，其特点是采用相对介电常数为4.3的FR-4材料制成的简单设计。与传统的锥形介质棒天线及其馈电配置相比，该设计有望在天线长度为7.6λ时实现高达16.85 dBi的增益。通过精心优化设计，在7.3 GHz频率下获得了阻抗匹配和定向辐射特性。使用CST微波工作室进行了仿真，以验证和评估该设计的性能。增益的提高、阻抗带宽的改善以及使用如FR-4等具有成本效益的材料，为在未来无线通信技术中采用这种设计提供了令人信服的理由。此外，馈线的遥感特性可用于隐藏物体检测、材料表征以及材料光谱特性分析。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8346/11644619/3abae20a87a6/sensors-24-07543-g015.jpg
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