Wearable, Small, and Robust: The Circular Quarter-Mode Textile Antenna

被引：115

作者：

Agneessens, Sam ^{[1
]}

Lemey, Sam ^{[1
]}

Vervust, Thomas ^{[2
]}

Rogier, Hendrik ^{[1
]}

机构：

[1] Ghent Univ iMinds, Dept Informat Technol, B-9000 Ghent, Belgium

[2] Ghent Univ IMEC, Dept Elect & Informat Syst, B-9000 Ghent, Belgium

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷

关键词：

Antenna miniaturization; antennas; quarter-mode substrate integrated waveguide; substrate integrated waveguide antennas; textile antennas; wearable antennas; wearable electronics; INTEGRATED WAVE-GUIDE; 2.45; GHZ; SUBSTRATE; BAND; TECHNOLOGY;

D O I：

10.1109/LAWP.2015.2389630

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：

A miniaturized wearable antenna, entirely implemented in textile materials, is proposed that relies on a quarter-mode substrate integrated waveguide topology. The design combines compact dimensions with high body-antenna isolation, making it excellently suited for off-body communication in wearable electronics/smart textile applications. The fabricated antenna achieves stable on-body performance. A measured on-body impedance matching bandwidth of 5.1% is obtained, versus 4.8% in free space. The antenna gain equals 3.8 dBi in the on-body and 4.2 dBi for the free-space scenario. High radiation efficiency, measured to be 81% in free space, is combined with a low calculated specific absorption rate of 0.45 mW/g, averaged over 1 g of tissue, with 500 mW input power.

引用

页码：1482 / 1485

页数：4

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