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Paper Abstract and Keywords
Presentation 2008-01-24 15:10
A non-linear distortion reduction method of RFID with OFDM-FSK adaptive modulation
Shinya Takasaki, Yoshinobu Kajikawa, Yukio Iida, Yasuo Nomura (Kansai Univ.) SIP2007-146 RCS2007-149
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a transmission method to reduce a nonlinear distortion, which is a problem when a OFDM(Orthogonal Frequency Division Multiplexing) is used for RFID(Radio Frequency Identification) with a superregeneration method. The amplification characteristic in the superregeneration method has nonlinearity, various nonlinear component consequently occur when a multicarrier signal passes through it. For this problem, the OFDM-FSK(Frequency Shift Keying) which can reduce the number of carrier waves is effective and reduces the influence of the nonlinear distortion. However, a transmission characteristic deteriorates when the number of FSK increases in the OFDM-FSK. We therefore propose an adaptive OFDM-FSK to reduce the influence of the nonlinear distortion by using different multiple values of FSK. We show that a transmission characteristic can be largely improved by using the proposed method through some computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM-FSK / OFDM / FSK / RFID / superregenerative / multicarrier / nonlinearity / distortion  
Reference Info. IEICE Tech. Rep., vol. 107, no. 440, RCS2007-149, pp. 91-96, Jan. 2008.
Paper # RCS2007-149 
Date of Issue 2008-01-17 (SIP, RCS) 
ISSN Print edition: ISSN 0913-5685    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)
Download PDF SIP2007-146 RCS2007-149

Conference Information
Committee RCS SIP  
Conference Date 2008-01-24 - 2008-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City Uni. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-01-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A non-linear distortion reduction method of RFID with OFDM-FSK adaptive modulation 
Sub Title (in English)  
Keyword(1) OFDM-FSK  
Keyword(2) OFDM  
Keyword(3) FSK  
Keyword(4) RFID  
Keyword(5) superregenerative  
Keyword(6) multicarrier  
Keyword(7) nonlinearity  
Keyword(8) distortion  
1st Author's Name Shinya Takasaki  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Yoshinobu Kajikawa  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Yukio Iida  
3rd Author's Affiliation Kansai University (Kansai Univ.)
4th Author's Name Yasuo Nomura  
4th Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2008-01-24 15:10:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2007-146, RCS2007-149 
Volume (vol) vol.107 
Number (no) no.438(SIP), no.440(RCS) 
Page pp.91-96 
#Pages 6 
Date of Issue 2008-01-17 (SIP, RCS) 

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