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Paper Abstract and Keywords
Presentation 2010-07-30 10:25
Performance evaluation of the cognitive piggyback overlay system using QAM modulation
Jun Naganawa, Kentaro Kobayashi, Takaya Yamazato, Masaaki Katayama (Nagoya Univ.) SR2010-31
Abstract (in Japanese) (See Japanese page) 
(in English) This manuscript considers a secondary system sharing the spectrum with the primary system at the same time and frequency. The proposed cognitive overlay system relays the primary signal and piggybacks its own data on it. As the modulation scheme, phase shift keying and quadrature amplitude modulation are considered and performance with them are compared. The result of the analysis for Rayleigh fading environment shows that the proposed scheme with regenerative relay allows the secondary signal to communicate at the same speed of the primary signal without any harm to it.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / spectrum sharing / overlay / piggyback / regenerative repeater / QAM / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 153, SR2010-31, pp. 89-94, July 2010.
Paper # SR2010-31 
Date of Issue 2010-07-22 (SR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SR2010-31

Conference Information
Committee SR  
Conference Date 2010-07-29 - 2010-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) ATR (Kyoto) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Technical Exihibition, Reconfigurable Hardware, etc. 
Paper Information
Registration To SR 
Conference Code 2010-07-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance evaluation of the cognitive piggyback overlay system using QAM modulation 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) spectrum sharing  
Keyword(3) overlay  
Keyword(4) piggyback  
Keyword(5) regenerative repeater  
Keyword(6) QAM  
1st Author's Name Jun Naganawa  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Kentaro Kobayashi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Takaya Yamazato  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Masaaki Katayama  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2010-07-30 10:25:00 
Presentation Time 20 minutes 
Registration for SR 
Paper # SR2010-31 
Volume (vol) vol.110 
Number (no) no.153 
Page pp.89-94 
Date of Issue 2010-07-22 (SR) 

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