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Paper Abstract and Keywords
Presentation 2014-01-23 10:50
Experimental Evaluation of Weighted Cooperative Sensing Based on Advanced Spectrum Database
Yuya Ohue, Masayuki Kitamura, Kei Inage, Koji Ishibashi, Takeo Fujii (Univ. of Electro-Comm.) SR2013-77
Abstract (in Japanese) (See Japanese page) 
(in English) A spectrum sharing which utilizes the cognitive radio (CR) has been attracted attention to improve the spectral efficiency in Wireless Vehicular Networks (WVN). In the spectrum sharing scenario, CR users are required to avoid the interference toward Primary User (PU). Consequently, the technique of recognizing radio environment for correctly detecting the communication status of PU is important. The spectrum sharing systems can be classified into two types, spectrum database approach and spectrum sensing approach. However, both spectrum sharing systems are not suitable for applying in WVN. Thus, to improve the sensing reliability in WVNs, we proposed a weighted cooperative sensing method using the measurement based spectrum database information. It becomes possible to give the weights for cooperation by considering reliability of sensing data from each node. As a result of simulation, the proposed technique improves the detection performance compared with the traditional sensing methods. However, we do not confirm the effectiveness of the proposed method in actual radio environment such as the shadowing environment affected by buildings and geometry. In this paper, we show emulated results from the measurement data of actual TV broadcasting signals to confirm the effectiveness of the proposed technique.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive radio / Energy detection / Weighted cooperative sensing / Radio environment database / Cognitive vehicular networks / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 400, SR2013-77, pp. 13-18, Jan. 2014.
Paper # SR2013-77 
Date of Issue 2014-01-16 (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)
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Conference Information
Committee SR  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) cognitive radio, software radio, M2M/D2D communications, standardization, etc. 
Paper Information
Registration To SR 
Conference Code 2014-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of Weighted Cooperative Sensing Based on Advanced Spectrum Database 
Sub Title (in English)  
Keyword(1) Cognitive radio  
Keyword(2) Energy detection  
Keyword(3) Weighted cooperative sensing  
Keyword(4) Radio environment database  
Keyword(5) Cognitive vehicular networks  
Keyword(6)  
Keyword(7)  
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1st Author's Name Yuya Ohue  
1st Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
2nd Author's Name Masayuki Kitamura  
2nd Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
3rd Author's Name Kei Inage  
3rd Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
4th Author's Name Koji Ishibashi  
4th Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
5th Author's Name Takeo Fujii  
5th Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
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Speaker Author-1 
Date Time 2014-01-23 10:50:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2013-77 
Volume (vol) vol.113 
Number (no) no.400 
Page pp.13-18 
#Pages 6 
Date of Issue 2014-01-16 (SR) 

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