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Paper Abstract and Keywords
Presentation 2009-07-30 14:10
Auxiliary Control Channel For Spectrum Sensing in Cognitive Radio Systems
Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-44
Abstract (in Japanese) (See Japanese page) 
(in English) In cognitive radio (CR) system reliable spectrum sensing is the key step to discover spectrum opportunity and exploit it as secondary user. This ensures protection of primary users (PUs) from undesired interference by secondary users (SU). For reliable spectrum sensing, cooperation among individual CR terminals or spectrum sensors becomes essential. The use of commonly known method of cognitive pilot channel (CPC), for the purpose of cooperative sensing, has certain limitation. CPC is primarily intended to disseminate spectrum usage related information for CR terminals residing in a given mesh. Sharing or exchanging of spectrum sensing information may involve closely located CR terminals in which case CPC may not be practical. This paper proposes a novel means of exchanging sensing and related information among CR terminals or between CR terminals and spectrum sensing information sources. We introduce the use of ?auxiliary control channels for spectrum sensing (ACS)- that complements CPC in case of sensing information exchange with in a close range. Additionally, we propose a mechanism of coordination between the CPC and ACS.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / spectrum sensing / auxiliary control channel / cognitive pilot channel / distributed spectrum sensing / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 155, SR2009-44, pp. 139-144, July 2009.
Paper # SR2009-44 
Date of Issue 2009-07-22 (SR) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF SR2009-44

Conference Information
Committee SR  
Conference Date 2009-07-29 - 2009-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo institute of technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Exibition, reconfigurable hardware, and 10th anniversary ceremony 
Paper Information
Registration To SR 
Conference Code 2009-07-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Auxiliary Control Channel For Spectrum Sensing in Cognitive Radio Systems 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) spectrum sensing  
Keyword(3) auxiliary control channel  
Keyword(4) cognitive pilot channel  
Keyword(5) distributed spectrum sensing  
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1st Author's Name Yohannes D. Alemseged  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Chen Sun  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Ha Nguyen Tran  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Hiroshi Harada  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2009-07-30 14:10:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2009-44 
Volume (vol) vol.109 
Number (no) no.155 
Page pp.139-144 
#Pages 6 
Date of Issue 2009-07-22 (SR) 

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