用于可穿戴医疗应用的双带陷波微带馈电超宽带天线

Q3 Energy

Iranian Journal of Electrical and Electronic Engineering Pub Date : 2022-03-10 DOI:10.22068/IJEEE.18.1.2062

F. Bahmanzadeh, F. Mohajeri

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引用次数: 1

摘要

在本文中，提出了一种具有双频带抑制规范的非常小的柔性天线，用于可穿戴和超宽带（UWB）应用。该天线的总体尺寸约为18×18×0.508mm，通过从辐射贴片上刻蚀出两个不同尺寸的矩形槽型单开口环谐振器（SRR），在WiMAX（3.3 GHz至3.7 GHz）和WLAN（5.15 GHz至5.825 GHz）无线通信频带中获得了双频带陷波规范。设计的天线工作在2.1 GHz至12 GHz的宽阻抗带宽（|S11|<–10 dB）上，可以覆盖3.1 GHz至10.6 GHz的整个UWB频带，并拒绝上述两个频带。不对称的部分接地平面和倾斜的辐射贴片被用来实现140%的部分带宽。此外，由于具有良好的可穿戴辐射特性，该天线可以在2.4GHz至2.5GHz的工业科学医疗（ISM）波段工作。同时，所提出的天线的比吸收比（SAR）值小于1.6W/kg的标准限值。

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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Dual Band-Notched Microstrip-Fed UWB Antenna for Wearable Medical Applications

In this article, a very small flexible antenna with dual-band rejection specifications is proposed for operating in both wearable and ultra-wideband (UWB) applications. The overall size of this antenna is about 18×18×0.508 mm and by etching out two rectangular slot type single split-ring resonators (SRRs) of different dimensions from the radiating patch, dual band-notched specifications are obtained in WiMAX (3.3 GHz to 3.7 GHz) and WLAN (5.15 GHz to 5.825 GHz) wireless communication bands. The designed antenna operates over a wide impedance bandwidth (|S11| < –10 dB) from 2.1 GHz to 12 GHz which can cover the whole UWB band from 3.1 GHz to 10.6 GHz and reject the two mentioned bands. An asymmetrical partial ground plane and a beveled radiating patch are utilized to achieve 140% fractional bandwidth. Also, due to the good wearable radiation characteristics, this antenna can operate in industrial scientific medical (ISM) band from 2.4 GHz to 2.5 GHz. Meanwhile, the specific absorption ratio (SAR) value of the proposed antenna is less than the standard limit of 1.6 W/kg.

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来源期刊

Iranian Journal of Electrical and Electronic Engineering Engineering-Electrical and Electronic Engineering

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

12 weeks