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Dissertation-zwang-2014.pdf (36.46 MB)

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Electronic Textile Antennas and Radio Frequency Circuits for Body-Worn Applications

Wang, Zheyu
http://rave.ohiolink.edu/etdc/view?acc_num=osu1396955748

Abstract Details

2014, Doctor of Philosophy, Ohio State University, Electrical and Computer Engineering.
A novel class of embroidered textile radio frequency (RF) circuit and antennas is presented. They are based on a new class of highly conductive metal-coated polymer fibers (e-fibers) and are used to realize a variety of wearable RF electronics woven into daily garments. The subject e-fibers are composed of high strength and flexible polymer core, typically 10um in thickness, and covered with a 2um thick metallic coating. Computerized embroidery machinery and high density stitching was employed to achieve high conductivity and precise fabrication of the e- fiber textiles woven into regular clothing. Using this process, prototype textile antennas and RF circuits were ''printed'' onto garments and evaluated. Their RF characteristics were measured in o -body (free-standing) and on-body con figurations. It is demonstrated that the textile antennas exhibit excellent RF performances, nearly as good as conventional copper antennas. This is in addition to their excellent mechanical strength and flexibility. Importantly, the textile antennas can be inconspicuously woven into clothing, without a ffecting comfort, fashionality, and washability. Consequently, various textile-based conformal and wearable antennas and sensors were designed and measured for communications, medical sensing, and RF energy harvesting applications. Overall, the proposed conductive textile-based antennas and RF circuitry provide solutions to future RF functionalized and fashionable garments for wearable wideband antennas with omni-directional coverage as well as frequency and beam recon figuration.
John Volakis (Advisor)
Fernando Teixeira (Committee Member)
Christopher Baker (Committee Member)
177 p.
Electrical Engineering; Electromagnetics
electronic textiles, polymer, wearable antennas, wearable electronics, wireless communications, radio frequency applications

Recommended Citations

Citations

  • Wang, Z. (2014). Electronic Textile Antennas and Radio Frequency Circuits for Body-Worn Applications [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1396955748

    APA Style (7th edition)

  • Wang, Zheyu. Electronic Textile Antennas and Radio Frequency Circuits for Body-Worn Applications. 2014. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1396955748.

    MLA Style (8th edition)

  • Wang, Zheyu. "Electronic Textile Antennas and Radio Frequency Circuits for Body-Worn Applications." Doctoral dissertation, Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1396955748

    Chicago Manual of Style (17th edition)

osu1396955748
651
© 2014, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.