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Paper Abstract and Keywords
Presentation 2009-05-28 12:30
A Study on Dynamic Spectrum Control based Interference Suppression for Cognitive Radio Networks
Tomomi Aoki, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) SR2009-1
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes an interference suppression technique using a dynamic spectrum control (DSC) for distributed control based cognitive radio networks.
Based on the consideration that the CSMA/CA is not efficient in terms of throughput due to its strict collision avoidance process, this paper employs a DSC in which a certain number of discrete spectra having the highest channel gain is selected individually in each link allowing a partial band interference, and such interference is suppressed by the equalizer in the receiver. To further suppress mutual interference occurrence, a part of spectrum having relatively high interference level is also removed from the candidate of selectable discrete spectra. Evaluation of channel capacity and system throughput by computer simulation conforms that the proposed scheme is effective in achieving high channel capacity and system throughput even under autonomous distributed control.
Keyword (in Japanese) (See Japanese page) 
(in English) Autonomous distributed control / Cognitive Radio / Dynamic Spectrum Control / Partial Band Interference / Spectrum sharing / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 61, SR2009-1, pp. 1-6, May 2009.
Paper # SR2009-1 
Date of Issue 2009-05-21 (SR) 
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)
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Conference Information
Committee SR  
Conference Date 2009-05-28 - 2009-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive/Software radio and international workshop 
Paper Information
Registration To SR 
Conference Code 2009-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Dynamic Spectrum Control based Interference Suppression for Cognitive Radio Networks 
Sub Title (in English)  
Keyword(1) Autonomous distributed control  
Keyword(2) Cognitive Radio  
Keyword(3) Dynamic Spectrum Control  
Keyword(4) Partial Band Interference  
Keyword(5) Spectrum sharing  
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1st Author's Name Tomomi Aoki  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Shinsuke Ibi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Seiichi Sampei  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2009-05-28 12:30:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2009-1 
Volume (vol) vol.109 
Number (no) no.61 
Page pp.1-6 
#Pages
Date of Issue 2009-05-21 (SR) 


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