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Paper Abstract and Keywords
Presentation 2014-06-12 14:20
Performance Evaluation of a Dual-band Implantable Antenna Design using a Human-Arm-Model
Lin HoYu (KDDI R&D Lab.), Masaharu Takahashi, Kazuyuki Saito, Koichi Ito (Chiba Univ.) AP2014-44
Abstract (in Japanese) (See Japanese page) 
(in English) Implantable devices (IMDs) have been continually anticipated as a future tool for in-body wireless communication because of their potential to replace cable connectivity with biological telemetry monitoring. However, the antenna performance is attenuated by surrounding human tissues and power conservation is critical to long-term continuous monitoring of implants owing to the miniaturization of implantable devices. In this report, the proposed antenna is designed to operate in one of ultra-high frequency bands (UHF, 0.92 GHz) and Industry-Science-Medical bands (ISM, 2.4 GHz), because dual-band operation has potential to allow the implants to switch between dormant the wake-up modes to conserve energy and extend the lifetime of implants. In addition, the proposed antenna is assumed to be integrated into IMDs consisting of some electronic components (such as a battery and circuit) and a biological coating, a shielding box is introduced to reduce the mutual influence between the antenna and the electronic component. For numerical analysis, simple human arm model is used to represent a part of human arm to evaluate the antenna performance of reflection coefficient, current distribution, radiation pattern, and radiation efficiency by use of finite element method (FEM).
Keyword (in Japanese) (See Japanese page) 
(in English) Body-centric wireless communications / Implantable antennas / Inverted-F antennas / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 76, AP2014-44, pp. 25-28, June 2014.
Paper # AP2014-44 
Date of Issue 2014-06-05 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF AP2014-44

Conference Information
Committee AP  
Conference Date 2014-06-12 - 2014-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-06-AP 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of a Dual-band Implantable Antenna Design using a Human-Arm-Model 
Sub Title (in English)  
Keyword(1) Body-centric wireless communications  
Keyword(2) Implantable antennas  
Keyword(3) Inverted-F antennas  
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1st Author's Name Lin HoYu  
1st Author's Affiliation KDDI R&D Laboratories (KDDI R&D Lab.)
2nd Author's Name Masaharu Takahashi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Kazuyuki Saito  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Koichi Ito  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2014-06-12 14:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2014-44 
Volume (vol) vol.114 
Number (no) no.76 
Page pp.25-28 
#Pages 4 
Date of Issue 2014-06-05 (AP) 

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