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Paper Abstract and Keywords
Presentation 2019-05-17 14:25
Effects of Fabrication Accuracy on the Radiation Characteristics of Electromagnetically Coupled Microstrip Patch Antennas Embroidered Using Conductive Yarns
Daiki Ichikawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2019-13
Abstract (in Japanese) (See Japanese page) 
(in English) Embroidered wearable antennas composed of conductive yarns are inherently conformal, light-weight, and flexible and therefore easy to incorporate into conventional apparel using ordinary fabrication techniques with a computerized sewing machine. A microstrip patch antenna is one of the most promising antennas for the next-generation conformal wearable wireless system, since patch antenna's ground plane can reduce undesired effects caused by the human body. The radiation characteristics of electromagnetically coupled embroidered microstrip patch antennas composed of conductive yarns have been investigated in this paper. The effects of mechanical instability in antenna's dimensional parameters on the radiation characteristics have also been assessed based on the measurements for several embroidered sample patch antennas, which are electromagnetically fed through the embroidered microstrip line. The stability of resonant frequency, bandwidth, gain, and radiation pattern are measured and assessed for different combinations of dimensional parameters. Compared to the conventional probe fed microstrip patch antennas, which usually need to have so-called direct mechanical contact to the feed line, it has been confirmed that electromagnetically coupled microstrip patch antennas demonstrate better repeatability even when they are embroidery fabricated on a mechanically flexible felt substrate with conductive yarns.
Keyword (in Japanese) (See Japanese page) 
(in English) Conductive yarn / Electromagnetically coupled microstrip feed / Patch antenna / Fabrication accuracy / Dimensional accuracy / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 28, AP2019-13, pp. 71-74, May 2019.
Paper # AP2019-13 
Date of Issue 2019-05-09 (AP) 
ISSN Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee AP  
Conference Date 2019-05-16 - 2019-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanpo-no-yado Arima (Arima Onsen, Hyogo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2019-05-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of Fabrication Accuracy on the Radiation Characteristics of Electromagnetically Coupled Microstrip Patch Antennas Embroidered Using Conductive Yarns 
Sub Title (in English)  
Keyword(1) Conductive yarn  
Keyword(2) Electromagnetically coupled microstrip feed  
Keyword(3) Patch antenna  
Keyword(4) Fabrication accuracy  
Keyword(5) Dimensional accuracy  
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1st Author's Name Daiki Ichikawa  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Tadahiko Maeda  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2019-05-17 14:25:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2019-13 
Volume (vol) vol.119 
Number (no) no.28 
Page pp.71-74 
#Pages
Date of Issue 2019-05-09 (AP) 


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