A Wide-Bandwidth Wearable All-Textile PIFA With Dual Resonance Modes for 5 GHz WLAN Applications

被引：74
作者：
Gao, Guo-Ping [1 ]
Yang, Chen [1 ]
Hu, Bin [1 ,2 ]
Zhang, Rui-Feng [1 ]
Wang, Shao-Fei [1 ]
机构：
[1] Lanzhou Univ, Sch Informat Sci & Engn, Gansu Prov Key Lab Wearable Comp, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Biol Sci, CAS Ctr Excellence Brain Sci & Intelligence Techn, Shanghai 200031, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 06期
基金：
中国国家自然科学基金;
关键词：
All-textile antenna; dual resonance modes; planar inverted-F antenna (PIFA); wearable antenna; wide bandwidth; wireless local area network (WLAN); PATCH ANTENNA; LOW-PROFILE; BAND; RADIATION; DESIGN;
D O I：
10.1109/TAP.2019.2905976
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 novel wide-bandwidth wearable all-textile planar inverted-F antenna (PIFA), designed for 5 GHz wireless local area network (WLAN) applications (5.15-5.825 GHz), is proposed in this communication. By using hollow copper rivets, nylon conductive fabric, and wool felt, a PIFA with a compact structure and flexible fabrication is realized. Additional wide bandwidth is achieved by adding a pair of shorting pins and etching a slot to manipulate the dual resonances of the TM0,1/2 and TM0,3/2 modes. The variation in the electric field distributions qualitatively explains the effects of the shorting pins and the slot for these two modes. As a result, the antenna has a good performance with a measured fractional bandwidth of 18.0%, a peak gain of 5.9 dBi, and an average efficiency up to 74.1%. In addition, stable performance on a human body is obtained such that the operating bandwidth on different human tissues and under different bending conditions can cover the design band. The calculated specific absorption rate (SAR) values are 0.9307 and 0.4016 W/kg under 1 g average and 10 g average, respectively. These properties make the proposed antenna suitable for wearable systems.
引用
收藏
页码：4206 / 4211
页数：6
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