Antenna and Radio Propagation Analysis in Several Dielectric Materials by EM Simulator

2020 IEEE International RF and Microwave Conference (RFM) Pub Date : 2020-12-14 DOI:10.1109/RFM50841.2020.9344789

Yoshihide Yamada, K. Kamardin, Nur Amalina Kamaruddin, Siti Harliza Mohd Razali, N. Zainudin, Ngu War Hlaing, H. Ja’afar

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Abstract

Recently, radio wave technologies are applying for human health care such as a capsule endoscopy and a hyperthermia. As another application, radio wave is planning to be used in seawater radio communication. At human body and seawater applications, a small size antenna is suitable. So, the normal mode helical antenna (NMHA) that has high efficiency at small size is selected. As for performance understanding, electromagnetic simulation tool is effective. The important subject in antenna application is to clarify the radio wave communication link budget in the dielectric material environment. In this paper, based on electromagnetic simulation results of antenna and radio propagation in the human body and seawater conditions, analytical understanding of antenna performance and radio propagation mechanism is conducted. Through this study, analytical equations for antenna performance and radio wave propagation are derived. The effectiveness of derived equations are ensured through comparison with simulation results.

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用电磁模拟器分析几种介质材料中的天线和无线电传播

最近，无线电波技术正在应用于胶囊内窥镜检查和热疗等人类保健领域。作为另一种应用，无线电波正计划用于海水无线电通信。在人体和海水应用中，小尺寸的天线是合适的。因此，选择了小尺寸、高效率的法模螺旋天线(NMHA)。在性能理解方面，电磁仿真工具是有效的。天线应用中的重要课题是明确介质介质环境下无线电波通信链路预算。本文基于人体和海水条件下天线和无线电传播的电磁仿真结果，对天线性能和无线电传播机理进行了分析认识。通过研究，导出了天线性能和无线电波传播的解析方程。通过与仿真结果的比较，验证了推导方程的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 IEEE International RF and Microwave Conference (RFM)

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