A miniaturized implantable planar inverted-F antenna for biotelemetry applications at 2.45 GHz industrial, scientific, and medical band

被引：5

作者：

Wu, Qiu-Hai ^{[1
]}

Xuan, Xiu-Wei ^{[1
]}

Wang, Wei ^{[1
]}

Li, Kun ^{[1
]}

Zhao, Hai-Bo ^{[1
]}

机构：

[1] Tianjin Univ Technol, Sch Elect & Elect Engn, Tianjin 300384, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2020年 / 62卷 / 01期

基金：

中国国家自然科学基金;

关键词：

biotelemetry applications; implantable antenna; industrial; scientific; and medical (ISM); planar inverted-F antenna (PIFA); SAR; WIRELESS POWER TRANSFER;

D O I：

10.1002/mop.32022

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter proposes an implantable planar inverted-F antenna for biotelemetry applications, which operates at 2.4 GHz-2.48 GHz industrial, scientific, and medical band. The antenna is miniaturized by loading a shorting metal surface between the radiating patch and the ground. Moreover, biocompatible substrate-superstrate layers are used to achieve low specific absorption rate (SAR). We study the performance of antennas at different implant depths. The simulated and measured results show the proposed antenna has higher realized gain of -4.5 dB at 2.45 GHz. The impedance bandwidth (-10 dB) of 180 MHz (2.34 GHz-2.52 GHz) can be obtained. Moreover, this antenna has a lower SAR value of 113.5 W/kg for a 1-g standard, which satisfies the regulations in the IEEE standard.

引用

页码：391 / 396

页数：6

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