A dual-band dual-polarized omnidirectional patch antenna for on-body application

被引：1
|
作者：
Gao, Guo-Ping [1 ]
Wang, Dan [1 ]
Ma, Ge [1 ]
Wang, Shi-Chen [1 ]
Dou, Zhi-Heng [1 ]
Hu, Bin [1 ]
机构：
[1] Lanzhou Univ, Sch Informat Sci & Engn, Gansu Prov Key Lab Wearable Comp, Lanzhou 730000, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2024年 / 66卷 / 03期
基金：
中国国家自然科学基金;
关键词：
circular polarization; dual-band dual-polarized antenna; linear polarization; omnidirectional mode; on-body; TEXTILE ANTENNA; MODE; RADIATION;
D O I：
10.1002/mop.34050
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：
Aiming at the 3.5 GHz world interoperability for microwave access band and 5.8 GHz industrial scientific medical band, a dual-band antenna operating in omnidirectional mode is proposed. The antenna uses a single-layer dielectric substrate made of FR-4, which is cheap and easy to process. It uses circular patches and metal branches to generate orthogonal electric fields to achieve circular polarization. At the same time, the upper patch is symmetrically slotted in a T shape, so that the patch produces two resonance frequencies. The measured impedance bandwidth of the antenna in circular polarization on-body mode and linear polarization on-body mode is 110 MHz (3.41-3.52 GHz) and 460 MHz (5.42-5.88 GHz), respectively. In addition, the antenna shows good performance under bending conditions and close to human tissue. At the same time, the low specific absorption rate value proves that the antenna is safe to wear on the human body.
引用
收藏
页数：8
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