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Paper Abstract and Keywords
Presentation 2010-08-27 13:40
A study on effective observation information gathering method in cooperation Sensing
Takanao Yazawa, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-100
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, a method to achieve accurate and efficient method of gathering information for cooperative sensing based on a hard decision information using OR-rule is proposed.
In the single sensing, the degradation of the detection rate due to the shadowing environment is a problem.
On the contrary, in the cooperative sensing, the detection accuracy is expected to be improved due to space diversity, but the acquisition time and power consumption cost is higher.
As a comparison method, we propose a method in which TDMA is used to gather information and OR-rule is used for detection.
In TDMA, time slots equal to the number of secondary users is needed for gathering information.
In the proposed method, the secondary user that detects the primary user, sends a simple signal without synchronization in the common 1 time slot.
Due to this, information gathering in short time becomes possible.
Also, the secondary user that could not detect primary user, do not transmit a signal.
Due to this, power consumption can be reduced.
The fusion center that makes final decision achieves cooperative sensing based on the OR-rule by detecting power on that 1 time slot.
Using computer simulations, we compare the proposed method and compare under the same detection rate, the proposed scheme shows a significant reduction in energy consumption and acquisition time.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / cooperative sensing / data gathering / OR-rule / TDMA / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 175, RCS2010-100, pp. 129-134, Aug. 2010.
Paper # RCS2010-100 
Date of Issue 2010-08-19 (RCS) 
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 RCS2010-100

Conference Information
Committee SAT RCS  
Conference Date 2010-08-26 - 2010-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2010-08-SAT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on effective observation information gathering method in cooperation Sensing 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) cooperative sensing  
Keyword(3) data gathering  
Keyword(4) OR-rule  
Keyword(5) TDMA  
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1st Author's Name Takanao Yazawa  
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 Author-1 
Date Time 2010-08-27 13:40:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-100 
Volume (vol) vol.110 
Number (no) no.175 
Page pp.129-134 
#Pages 6 
Date of Issue 2010-08-19 (RCS) 

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