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Paper Abstract and Keywords
Presentation 2015-01-30 10:05
Experimental Evaluation of Azimuth Variable Path Loss Fitting
Kenshi Horihata, Issei Kanno, Akio Hasegawa (ATR), Toshiyuki Maeyama (ATR/Takushoku Univ.), Yoshio Takeuchi (ATR) SR2014-104
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed the framework of white space boundary estimation with a smaller number of sensing points. The framework decides the white space boundary by estimating coverage of incumbent radio systems with Positions of transmission sources and predicted pathloss. To consider the local propagation characteristics around the transmission sources for estimating the coverage, we are studying the method of azimuth variable pathloss fitting. The variables are decided by weighted least squares method, of which weighs are based on the angle difference between the azimuth of pathloss fitting and every sensing point. In this paper, we describe experimental evaluation about predicted pathloss and white space estimation with our studied method.
Keyword (in Japanese) (See Japanese page) 
(in English) Spectrum database / Radio environment map / Spectrum sharing / Pathloss fitting / White space / Azimuth variable / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 435, SR2014-104, pp. 63-68, Jan. 2015.
Paper # SR2014-104 
Date of Issue 2015-01-22 (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 SR2014-104

Conference Information
Committee SR  
Conference Date 2015-01-29 - 2015-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) KKR Hakodate 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive Radio Network, Heterogeneous Network, Cross-layer Radio Technologies, SDN (Software Defined Network), etc. 
Paper Information
Registration To SR 
Conference Code 2015-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of Azimuth Variable Path Loss Fitting 
Sub Title (in English)  
Keyword(1) Spectrum database  
Keyword(2) Radio environment map  
Keyword(3) Spectrum sharing  
Keyword(4) Pathloss fitting  
Keyword(5) White space  
Keyword(6) Azimuth variable  
Keyword(7)  
Keyword(8)  
1st Author's Name Kenshi Horihata  
1st Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
2nd Author's Name Issei Kanno  
2nd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
3rd Author's Name Akio Hasegawa  
3rd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
4th Author's Name Toshiyuki Maeyama  
4th Author's Affiliation Advanced Telecommunications Research Institute International/Takushoku University (ATR/Takushoku Univ.)
5th Author's Name Yoshio Takeuchi  
5th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
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Speaker Author-1 
Date Time 2015-01-30 10:05:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2014-104 
Volume (vol) vol.114 
Number (no) no.435 
Page pp.63-68 
#Pages 6 
Date of Issue 2015-01-22 (SR) 

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