Design of an all-textile circular patch antenna with corrugated ground for guided wave along the body surface for WBAN applications
- Authors
- Tak, Jinpil; Lee, Seoungkyu; Choi, Jaehoon
- Issue Date
- May-2015
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- textiles; corrugated surfaces; patch antennas; WBAN
- Citation
- JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, v.29, no.7, pp.905 - 924
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
- Volume
- 29
- Number
- 7
- Start Page
- 905
- End Page
- 924
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/157332
- DOI
- 10.1080/09205071.2015.1026408
- ISSN
- 0920-5071
- 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.
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