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Design of an all-textile circular patch antenna with corrugated ground for guided wave along the body surface for WBAN applications

Title
Design of an all-textile circular patch antenna with corrugated ground for guided wave along the body surface for WBAN applications
Author
최재훈
Keywords
textiles; corrugated surfaces; patch antennas; WBAN
Issue Date
2015-04
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, v. 29, NO 7, Page. 905-924
Abstract
An all-textile circular patch antenna with corrugated ground for guided wave along the body surface is proposed. The proposed antenna consists of center-coupled-fed circular patch and thread-corrugated ground. The thread-corrugated ground, made of conductive sewing threads, acts as an inductively reactive surface to support a body surface TM mode wave. The proposed antenna with a thickness of 7mm (0.14 lambda(0) at 6GHz) operates in the 6-GHz band. Considering a practical on-body application, the proposed antenna is fabricated using all-textile materials, such as conductive fabric, conductive threads, fabric substrate, and conductive epoxy. To evaluate the human body effect, a two-thirds muscle-equivalent semi-solid phantom is utilized. The measured 10-dB return loss bandwidth of the antenna on the phantom is 9.5%, which ranges from 5.77 to 6.34GHz. The gain enhancement on the phantom surface (theta=90 degrees) is 8.65dB from -8.1 dBi for the antenna without a corrugated ground to 0.55 dBi for the antenna with a thread-corrugated ground.
URI
http://www.tandfonline.com/doi/full/10.1080/09205071.2015.1026408http://hdl.handle.net/20.500.11754/23767
ISSN
0920-5071; 1569-3937
DOI
10.1080/09205071.2015.1026408
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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