A microstrip antenna at UWB frequencies for body wearable wireless devices

2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS) Pub Date : 2014-12-01 DOI:10.1109/ANTS.2014.7057231

V. Karthik, T. Rao

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引用次数: 6

Abstract

This paper proposes a novel Microstrip Antenna for body Wearable Wireless Devices (WWD) used for monitoring bio signals in human body. The antenna finds immense application in health monitoring utilizing WWD in Sports, Medicine and monitoring military personnel where monitoring bio- signals is the prime objective. Ultra wide band (UWB) technology adequately meets power, size and distance considerations for WBANs. The antenna designed operates at dual bands, 4.2-4.9 GHz and at 7.6-8.4 GHz within the unlicensed UWB spectrum (3.1-10.6 GHz). The antenna design also considers the difference in interaction of body tissues with the electromagnetic (EM) fields. The performance of the antenna is studied and analyzed at different places on the body in terms of radiation efficiency, total gain and Specific Absorption Rate (SAR). The anatomical positions for WWD are chosen considering the most common and comfortable sites on body. A simplified, human body tissue layer model that is frequency dependent in its properties is used for simulations. Simulations are carried out using EM simulation analysis tools.

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一种用于人体可穿戴无线设备的超宽带频率微带天线

提出了一种用于监测人体生物信号的可穿戴无线设备(WWD)微带天线。该天线在以监测生物信号为主要目的的体育、医学和军事人员的WWD健康监测中有着广泛的应用。超宽带(UWB)技术充分满足了wban的功率、尺寸和距离方面的考虑。设计的天线在未授权的UWB频谱(3.1-10.6 GHz)内工作在4.2-4.9 GHz和7.6-8.4 GHz双频段。天线设计还考虑了人体组织与电磁场相互作用的差异。对天线在人体不同部位的辐射效率、总增益和比吸收率(SAR)进行了研究和分析。根据人体最常见、最舒适的部位来选择WWD的解剖位置。一个简化的，人体组织层模型，是频率依赖于其属性用于模拟。利用电磁仿真分析工具进行仿真。

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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来源期刊

2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS)

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