Design of a textile ultra-wideband antenna with stable performance for body-centric wireless communications

被引：47
作者：
Sun, Yiye [1 ]
Cheung, Sing Wai [1 ]
Yuk, Tung Ip [1 ]
机构：
[1] Univ Hong Kong, EEE Dept, Hong Kong, Hong Kong, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2014年 / 8卷 / 15期
关键词：
textiles; ultra wideband antennas; ultra wideband communication; antenna radiation patterns; microstrip lines; antenna feeds; slot antennas; wearable antennas; telecommunication cables; biomedical communication; microstrip antennas; body-centric wireless communication; flexible ultrawideband textile antenna; flexible UWB textile antenna; circle-shaped radiator; tapered microstrip-fed line; rectangular slot ground plane; cloth; human body movement; computer simulation; feeding cable; antenna radiation pattern; UWB ANTENNAS;
D O I：
10.1049/iet-map.2013.0658
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：
The study proposes a flexible ultra-wideband (UWB) textile antenna for body-centric wireless system. The antenna consists of a circle-shaped radiator, a tapered microstrip-fed line and a ground plane with a rectangular slot. For body-centric applications, a cloth with 100% cotton is used as the substrate in the design of the antenna. To emulate the on-body condition, the antenna is studied when it is bent and crumpled, and when the feed line and ground plane are misaligned because of human body movement. The antenna is studied using computer simulation, and is also prototyped and measured for verification of simulation results. The feeding cable used in measurement affects the measured results, which is also studied. Simulated and measured results agree very well. Results show that the flexible UWB textile antenna has good performance in terms of bandwidth, realised gain, efficiency and radiation patterns, making it a good candidate for body-centric wireless communications.
引用
收藏
页码：1363 / 1375
页数：13
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