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Polymers 2018, 10(8), 861; https://doi.org/10.3390/polym10080861

Design and Electromagnetic Properties of a Conformal Ultra Wideband Antenna Integrated in Three-Dimensional Woven Fabrics

1
Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, Shanghai 201620, China
2
College of Textiles, Donghua University, Shanghai 201620, China
*
Author to whom correspondence should be addressed.
Received: 30 May 2018 / Revised: 24 July 2018 / Accepted: 31 July 2018 / Published: 3 August 2018
(This article belongs to the Special Issue Textile and Textile-Based Materials)
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Abstract

Wearable antennas play an important role in transmitting signals wirelessly in body-worn systems, helping body-worn applications to achieve real-time monitoring and improving the working efficiency as well as the life quality of the users. Over conventional antenna types, ultra wideband (UWB) antennas have advantages of very large operating bandwidth, low power consumption, and high data transmission speed, therefore, they become of great interest for body-worn applications. One of the strategies for making the antenna comfortable to wear is replacing the conventional rigid printed circuit board with textile materials in the manufacturing process. In this study, a novel three-dimensional woven fabric integrated UWB antenna was proposed and fabricated with pure textile materials. The antenna electromagnetic properties were simulated and measured and its properties under bending were investigated. The antenna operated in a wide bandwidth from 2.7 to 13 GHz with the proper radiation pattern and gain value. At the same time, the antenna performance under bending varied in a reasonable range indicating that the antenna is prospectively applied on the curved surfaces of the human body. Additionally, the current distribution of the antenna showed that different conductive parts had different current densities indicating the uniqueness of the three-dimensional textile-based antenna. View Full-Text
Keywords: textile antenna; ultra wideband antenna; three-dimensional woven fabric; smart textiles; electromagnetic properties textile antenna; ultra wideband antenna; three-dimensional woven fabric; smart textiles; electromagnetic properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kuang, Y.; Yao, L.; Yu, S.-H.; Tan, S.; Fan, X.-J.; Qiu, Y.-P. Design and Electromagnetic Properties of a Conformal Ultra Wideband Antenna Integrated in Three-Dimensional Woven Fabrics. Polymers 2018, 10, 861.

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