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Paper Abstract and Keywords
Presentation 2010-03-05 17:20
Optimal Admission Control in Cognitive Radio Networks with Sensing Errors
Chung-Wei Wang (Nat Chiao-Tung Univ/Tohoku Univ.), Li-Chun Wang (Nat Chiao-Tung Univ.), Fumiyuki Adachi (Tohoku Univ.) RCS2009-341
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates the admission control problem for the secondary users in cognitive radio (CR) networks. Specifically, we try to find the optimal channel access probability for the secondary users to maximize channel utilization while the quality of service (QoS) requirements of both the primary users and the secondary users are maintained. Intuitively, a larger access probability for the secondary users can increase channel utilization. However, because miss detection exists, a larger access probability will degrade the QoS performance of the primary users due to much more interference from the secondary users. Furthermore, a larger access probability also degrades the QoS performance of the secondary users due to much more contention among the secondary users. In order to find the best access probability, we formulate this issue as an optimization problem. The analytical results show the optimal access probability under various miss detection and false alarm probabilities and provide useful insight on the tradeoff between channel utilization and the QoS performance of both the primary users and the secondary users.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / spectrum sharing / spectrum handoff / spectrum management / queueing theory / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 440, RCS2009-341, pp. 491-496, March 2010.
Paper # RCS2009-341 
Date of Issue 2010-02-24 (RCS) 
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 RCS2009-341

Conference Information
Committee RCS AN MoNA SR  
Conference Date 2010-03-03 - 2010-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2010-03-RCS-AN-MoMuC-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimal Admission Control in Cognitive Radio Networks with Sensing Errors 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) spectrum sharing  
Keyword(3) spectrum handoff  
Keyword(4) spectrum management  
Keyword(5) queueing theory  
1st Author's Name Chung-Wei Wang  
1st Author's Affiliation National Chiao-Tung University/Tohoku University (Nat Chiao-Tung Univ/Tohoku Univ.)
2nd Author's Name Li-Chun Wang  
2nd Author's Affiliation National Chiao-Tung University (Nat Chiao-Tung Univ.)
3rd Author's Name Fumiyuki Adachi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2010-03-05 17:20:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2009-341 
Volume (vol) IEICE-109 
Number (no) no.440 
Page pp.491-496 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2010-02-24 

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