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Paper Abstract and Keywords
Presentation 2009-05-29 16:50
A study on design of weighted cooperative sensing system
Hironori Tsuchiya, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2009-20
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a cooperative sensing technique for the spectrum sharing between an existing system
(primary system: PS) and a new wireless radio system (secondary system: SS) which equips the cognitive
radio techniques. To enhance the detection performance, strategies of fusion of the local statistics from individual
secondary users have been investigated. We define an effective weight, which depends on the received signal power
from PS and noise power. A usage of the weight in cooperative sensing can improve the detection performance. We
also propose the received signal power estimation method to determine the weight and analyze the statistics and
mean square error of the estimator. Additionally, we design SS’s parameters (number of samples, number of nodes,
number of antennas, and length of estimation period) in multipath fading environment. The design criterion of
each parameter is determined so that the detection performance in worst case can achieve required target detection
performance for PS.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / cooperative sensing / Neyman-Pearson theorem / plural antenna elements / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 61, SR2009-20, pp. 129-134, May 2009.
Paper # SR2009-20 
Date of Issue 2009-05-21 (SR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 SR2009-20

Conference Information
Committee SR  
Conference Date 2009-05-28 - 2009-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive/Software radio and international workshop 
Paper Information
Registration To SR 
Conference Code 2009-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on design of weighted cooperative sensing system 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) cooperative sensing  
Keyword(3) Neyman-Pearson theorem  
Keyword(4) plural antenna elements  
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1st Author's Name Hironori Tsuchiya  
1st Author's Affiliation Tokyo University of Agriculture and Technology. (Tokyo Univ. of Agr and Tech.)
2nd Author's Name Kenta Umebayashi  
2nd Author's Affiliation Tokyo University of Agriculture and Technology. (Tokyo Univ. of Agr and Tech.)
3rd Author's Name Yukihiro Kamiya  
3rd Author's Affiliation Tokyo University of Agriculture and Technology. (Tokyo Univ. of Agr and Tech.)
4th Author's Name Yasuo Suzuki  
4th Author's Affiliation Tokyo University of Agriculture and Technology. (Tokyo Univ. of Agr and Tech.)
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Speaker
Date Time 2009-05-29 16:50:00 
Presentation Time 25 
Registration for SR 
Paper # IEICE-SR2009-20 
Volume (vol) IEICE-109 
Number (no) no.61 
Page pp.129-134 
#Pages IEICE-6 
Date of Issue IEICE-SR-2009-05-21 


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