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Type: Journal article
Title: Wearable textile shielded stripline for broadband operation
Author: Xu, Z.
Kaufmann, T.
Fumeaux, C.
Citation: IEEE Microwave and Wireless Components Letters, 2014; 24(8):566-568
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Issue Date: 2014
ISSN: 1531-1309
Statement of
Zhi Xu, Thomas Kaufmann and Christophe Fumeaux
Abstract: A shielded stripline structure made from textile materials is introduced as a wearable flexible transmission line for broadband operation. The stripline with a total height of 3.2 mm consists of a foam substrate and silver fabric conductors. For shielding purpose, the structure is truncated on its sides at a total width of 20 mm using embroidered via walls made from conductive thread. The impedance bandwidth and propagation characteristics are investigated through simulation and experiment, demonstrating that the textile stripline can work efficiently and reliably from dc to 8 GHz. Moreover, it is shown that the textile stripline is robust in terms of propagation characteristics, as even when bent up to 90 and 180 it can maintain consistent propagation properties in the whole operation band. A further advantage of the structure is the simple fabrication, arising from the low sensitivity of the structure to width and height tolerances, as well as to the accuracy of the feeding method. Finally, it is shown that the low-loss radio frequency foam substrate material can be replaced with low-cost clothing felt without significant detrimental impact on the efficiency.
Keywords: Broadband transmission line; silver fabric; textile stripline; wearable antenna
Rights: © 2014 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission
DOI: 10.1109/LMWC.2014.2321060
Appears in Collections:Aurora harvest 7
Electrical and Electronic Engineering publications

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