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Paper Abstract and Keywords
Presentation 2019-11-21 09:25
Read Accuracy Improvement by Beam Scan and Repeated Read with Moving Conductor -- Example of application in stationary RFID using 920MHz band --
Sora Funayama, Yasushi Yamao (UEC) RCS2019-214
Abstract (in Japanese) (See Japanese page) 
(in English) Radio Frequency Identification (RFID) is expected as a promising solution that bring about revolution in the supply chain management. On the other hand, RFID has an issue on read reliability due to radio propagation. For achieving a good read success rate, however, it is necessary to understand indoor radio propagation environment with surrounding materials that reflect radio waves and generate standing waves. In this paper, we analyze RFID read success rate in metal shelf environment through FDTD simulation. In order to improve the read success rate, we propose a reader/writer (R/W) beam scanning and repeated transmission scheme with a moving conductor. By displacing the conductor in the vicinity of R/W antenna, null position caused by the standing waves is moved. Then, read success rate can be improved by repeated transmission and selection combining. It is confirmed from the simulations that the read rate is greatly improved by the proposed scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / RFID / read success rate / moving conductor / standing wave / bean scan / repeated transmission / metal shelf  
Reference Info. IEICE Tech. Rep., vol. 119, no. 296, RCS2019-214, pp. 67-72, Nov. 2019.
Paper # RCS2019-214 
Date of Issue 2019-11-13 (RCS) 
ISSN 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 RCS2019-214

Conference Information
Committee AP RCS  
Conference Date 2019-11-20 - 2019-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2019-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Read Accuracy Improvement by Beam Scan and Repeated Read with Moving Conductor 
Sub Title (in English) Example of application in stationary RFID using 920MHz band 
Keyword(1) IoT  
Keyword(2) RFID  
Keyword(3) read success rate  
Keyword(4) moving conductor  
Keyword(5) standing wave  
Keyword(6) bean scan  
Keyword(7) repeated transmission  
Keyword(8) metal shelf  
1st Author's Name Sora Funayama  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Yasushi Yamao  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2019-11-21 09:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2019-214 
Volume (vol) vol.119 
Number (no) no.296 
Page pp.67-72 
#Pages
Date of Issue 2019-11-13 (RCS) 


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