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Miniaturized antenna design for wireless biomedical sensors.

机译：无线生物医学传感器的小型化天线设计。

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摘要

This thesis is focused on the design and simulation of miniaturized antennas for wireless biomedical sensors. The motivation of the work was to provide a solution for wireless systems that are embedded or placed on the body. Currently, small antennas are on demand to be implanted inside the body or placed closely to the body. The performance of such antennas, gain and efficiency, is affected by the lossy tissues that surround them. The goal of this work was to design antennas that are placed on a living body and integrated with a sensor system implanted in living tissue, to measure the dielectric properties of the tissue. The antenna type that this work was based on is Planar Inverted F Antenna (PIFA). The assumption was that the antenna is placed on skin layer and not embedded inside a tissue layers. A few antennas were designed and simulated. Two major studies were performed. First, an antenna, which was originally proposed in literature for wireless communication systems, was adopted and revised for biomedical applications. The antenna performance while it was on two tissue layers (skin and fat) was studied and optimized. The objective was to understand how miniaturization and the surrounding environment affect the antenna resonance frequency and performance. A second study was performed to design a novel PIFA antenna to improve the performance and reduce the size further.
机译：本文主要针对无线生物医学传感器的小型化天线设计与仿真。这项工作的目的是为嵌入式或放置在人体上的无线系统提供解决方案。当前，需要将小天线植入体内或紧密放置在体内。这种天线的性能（增益和效率）受围绕它们的有损耗组织的影响。这项工作的目的是设计放置在生物体上并与植入活体组织中的传感器系统集成的天线，以测量组织的介电性能。这项工作基于的天线类型是平面倒F天线（PIFA）。假设是将天线放置在皮肤层上，而不是嵌入组织层内。设计并仿真了一些天线。进行了两项主要研究。首先，最初在文献中提出的用于无线通信系统的天线被采用并修改用于生物医学应用。研究并优化了在两个组织层（皮肤和脂肪）上的天线性能。目的是了解小型化和周围环境如何影响天线谐振频率和性能。进行了第二项研究，以设计新颖的PIFA天线，以改善性能并进一步减小尺寸。

著录项

  • 作者

    Alharbi, Mohannad.;

  • 作者单位

    The University of North Dakota.;

  • 授予单位 The University of North Dakota.;
  • 学科 Electrical engineering.
  • 学位 M.S.
  • 年度 2014
  • 页码 118 p.
  • 总页数 118
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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