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Paper Abstract and Keywords
Presentation 2009-08-03 09:50
Modeling and Analysis for Proactive-decision Spectrum Handoff in Cognitive Radio Network
Chung-Wei Wang (National Chiao Tung Univ/Tohoku Univ.), Li-Chun Wang (National Chiao Tung Univ), Fumiyuki Adachi (Tohoku Univ.) RCS2009-80
Abstract (in Japanese) (See Japanese page) 
(in English) Spectrum handoff occurs when the primary users appear in the licensed band occupied by the secondary users. Spectrum handoff procedures help the secondary users to vacate the occupied licensed spectrum and find suitable target channel to resume the unfinished transmission. In this paper, we discuss how to select the target channels to minimize the total service time with multiple spectrum handoffs. We propose a preemptive resume priority (PRP) M/G/1 queuing network model to evaluate the total service time for various target channels selections. Then, we suggest a low-complexity greedy algorithm to select target channels. Numerical results show that a spectrum handoff scheme based on the proposed greedy selection strategy can reduce the total service time compared to the random selection scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / Spectrum Handoff / Spectrum Mobility / Preemptive Priority / Preemption / Queueing Theory / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 164, RCS2009-80, pp. 13-18, Aug. 2009.
Paper # RCS2009-80 
Date of Issue 2009-07-27 (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 RCS2009-80

Conference Information
Committee RCS  
Conference Date 2009-08-03 - 2009-08-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Equalization, Multihop Systems, Resource Control, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2009-08-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Modeling and Analysis for Proactive-decision Spectrum Handoff in Cognitive Radio Network 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) Spectrum Handoff  
Keyword(3) Spectrum Mobility  
Keyword(4) Preemptive Priority  
Keyword(5) Preemption  
Keyword(6) Queueing Theory  
1st Author's Name Chung-Wei Wang  
1st Author's Affiliation National Chiao Tung University/Tohoku University (National Chiao Tung Univ/Tohoku Univ.)
2nd Author's Name Li-Chun Wang  
2nd Author's Affiliation National Chiao Tung University (National Chiao Tung Univ)
3rd Author's Name Fumiyuki Adachi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2009-08-03 09:50:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2009-80 
Volume (vol) IEICE-109 
Number (no) no.164 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2009-07-27 

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