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Paper Abstract and Keywords
Presentation 2017-01-20 12:05
Mesh Clustering for Measurement-based Spectrum Database
Rei Hasegawa, Takeo Fujii (UEC) SR2016-90
Abstract (in Japanese) (See Japanese page) 
(in English) A spectrum database is a radio propagation estimation tool for the spectrum sharing. Using the spectrum database, secondary users can reuse the primary spectrum with the interference power constraint. Especially, measurement-based spectrum database can achieve highly efficient spectrum sharing by utilizing statistics of the received power transmitted from a PU. However, the accuracy of the statistics deteriorates when local bias of the observation point in the square mesh or short range power value variation due to the influence of terrain and buildings. In this paper, we propose a method to determine the subject area of statistics by using the mesh clustering. Simulation results show that the error between the measured value and the statistics which is got by the proposed method is smaller than the conventional method even if small amount of stored data at the spectrum database.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / Spectrum Sharing / Spectrum Database / Clustering / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 409, SR2016-90, pp. 71-76, Jan. 2017.
Paper # SR2016-90 
Date of Issue 2017-01-12 (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 SR2016-90

Conference Information
Committee SR  
Conference Date 2017-01-19 - 2017-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Himegin Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive wireless network, Cross layer wireless technology, SDN, etc. 
Paper Information
Registration To SR 
Conference Code 2017-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mesh Clustering for Measurement-based Spectrum Database 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) Spectrum Sharing  
Keyword(3) Spectrum Database  
Keyword(4) Clustering  
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1st Author's Name Rei Hasegawa  
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 2017-01-20 12:05:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2016-90 
Volume (vol) vol.116 
Number (no) no.409 
Page pp.71-76 
#Pages 6 
Date of Issue 2017-01-12 (SR) 

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