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Paper Abstract and Keywords
Presentation 2015-03-04 10:50
Dominant Interferers in Cognitive Radio Network
Yee-Loo Foo (MMU, Malaysia), Jun-ichi Takada (Tokyo Inst. of Tech.) SR2014-115
Abstract (in Japanese) (See Japanese page) 
(in English) Aggregate interference from a large number of cognitive radios (CRs) is a deterring factor to the implementation of spectrum sharing strategies. Even if all CRs implement spectrum sensing and are made to transmit at the same power, we show that there are CRs who are the major contributors of the aggregate interference. We call them the dominant interferers. Any attempt of alleviating the interference should first target the region where the dominant interferers are located. In this paper, we explain the method of determining their respective distances from the primary system, based on a theoretical model of their spatial distribution. This is accompanied by some numerical examples that demonstrate the use of the method.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / interference model / dominant interferer / spectrum sensing / energy detector / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 491, SR2014-115, pp. 31-36, March 2015.
Paper # SR2014-115 
Date of Issue 2015-02-25 (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)
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Conference Information
Committee RCS SR SRW  
Conference Date 2015-03-04 - 2015-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To SR 
Conference Code 2015-03-RCS-SR-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dominant Interferers in Cognitive Radio Network 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) interference model  
Keyword(3) dominant interferer  
Keyword(4) spectrum sensing  
Keyword(5) energy detector  
1st Author's Name Yee-Loo Foo  
1st Author's Affiliation Multimedia University, Malaysia (MMU, Malaysia)
2nd Author's Name Jun-ichi Takada  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Date Time 2015-03-04 10:50:00 
Presentation Time 25 
Registration for SR 
Paper # IEICE-SR2014-115 
Volume (vol) IEICE-114 
Number (no) no.491 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-SR-2015-02-25 

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