E-Textile Embroidered Metamaterial Transmission Line for Signal Propagation Control

被引：23
作者：
Moradi, Bahareh [1 ]
Fernandez-Garcia, Raul [1 ]
Gil, Ignacio [1 ]
机构：
[1] Univ Politecn Cataluna, Dept Elect Engn, Barcelona 08222, Spain
来源：
MATERIALS | 2018年 / 11卷 / 06期
关键词：
e-textile; metamaterials; transmission line; wearable; split ring resonator; ANTENNA;
D O I：
10.3390/ma11060955
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, the utilization of common fabrics for the manufacturing of e-textile metamaterial transmission lines is investigated. In order to filter and control the signal propagation in the ultra-high frequency (UHF) range along the e-textile, a conventional metamaterial transmission line was compared with embroidered metamaterial particles. The proposed design was based on a transmission line loaded with one or several split-ring resonators (SRR) on a felt substrate. To explore the relations between physical parameters and filter performance characteristics, theoretical models based on transmission matrices' description of the filter constituent components were proposed. Excellent agreement between theoretical prediction, electromagnetic simulations, and measurement were found. Experimental results showed stop-band levels higher than -30 dB for compact embroidered metamaterial e-textiles. The validated results confirmed embroidery as a useful technique to obtain customized electromagnetic properties, such as filtering, on wearable applications.
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