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Paper Abstract and Keywords
Presentation 2014-07-31 10:50
[Poster Presentation] Detection probability based parameter adaptation for cooperative spectrum sensing using measurement-based spectrum database
Kohsuke Nakagawa, Takeo Fujii (UEC) RCC2014-36 NS2014-56 RCS2014-108 SR2014-37 ASN2014-55
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, spectrum sharing with cognitive radio for wireless vehicular networks (WVN) has been emerging. For achieving spectrum sharing, spectrum sensing is used to protect primary user (PU) communications. However, simple sensing is affected by variable surrounding environment caused by mobility of secondary users (SU). The performance degrades in low signal to noise ratio (SNR) environment. Therefore, a cooperative sensing improving performance has been studied. In the cooperative sensing, since many costs such as power and wireless resources need to share observed information, setting appropriate sensing parameters is important to reduce costs.
In order to realize resource efficient sensing, an adaptive parameter control scheme for cooperative sensing based on a measurement-based spectrum database is proposed in this paper. In this scheme, firstly secondary user gets location information and sends it to the database. The database searches the averaged received power information of PU signal at the location SU and reports it to the SU. The SU can estimate the PU detection performance according to parameters such as presence or absence of cooperation, the number of cooperation nodes and so on based on the information from database. SU decides sensing parameters to fulfill the desired criterion values such as detection probability and false alarm rate. As a result, the proposed scheme ensures the desired performance with minimum costs on a mobile environment such as WVN and the stable communication performance of PU can be protected.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / Energy Detection / Cooperative Sensing / Radio Environment Database / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 165, SR2014-37, pp. 95-100, July 2014.
Paper # SR2014-37 
Date of Issue 2014-07-23 (RCC, RCS, SR, ASN), 2014-07-24 (NS) 
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 RCC2014-36 NS2014-56 RCS2014-108 SR2014-37 ASN2014-55

Conference Information
Committee RCC ASN NS RCS SR  
Conference Date 2014-07-30 - 2014-08-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Terrsa 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M: Machine-to-Machine, D2D: Device-to-Device, etc. 
Paper Information
Registration To SR 
Conference Code 2014-07-RCC-ASN-NS-RCS-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Detection probability based parameter adaptation for cooperative spectrum sensing using measurement-based spectrum database 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) Energy Detection  
Keyword(3) Cooperative Sensing  
Keyword(4) Radio Environment Database  
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1st Author's Name Kohsuke Nakagawa  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Takeo Fujii  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2014-07-31 10:50:00 
Presentation Time 90 minutes 
Registration for SR 
Paper # RCC2014-36, NS2014-56, RCS2014-108, SR2014-37, ASN2014-55 
Volume (vol) vol.114 
Number (no) no.162(RCC), no.163(NS), no.164(RCS), no.165(SR), no.166(ASN) 
Page pp.75-80(RCC), pp.53-58(NS), pp.107-112(RCS), pp.95-100(SR), pp.83-88(ASN) 
#Pages 6 
Date of Issue 2014-07-23 (RCC, RCS, SR, ASN), 2014-07-24 (NS) 

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