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Paper Abstract and Keywords
Presentation 2019-11-04 11:00
[Poster Presentation] An Efficient Noise Floor Estimation for Spectrum Measurements
Hiroki Iwata, Kenta Umebayashi (TUAT) SR2019-68
Abstract (in Japanese) (See Japanese page) 
(in English) Statistical information in terms of spectrum occupancy is useful for the smart dynamic spectrum sharing and it can be obtained by long-term, broadband, and wide-area spectrum measurements. In this paper, we investigate an energy detection-based spectrum measurements, in which the noise floor (NF) estimation is a key functionality for the appropriate detection threshold setting. Typically, the NF has the slowly time-varying property and frequency-dependency, and several NF estimation algorithms including forward consecutive mean excision (FCME) algorithm-based method have been proposed.
However, these methods did not deeply consider the slowly time-varying property of the NF and are not computationally efficient. Accordingly, we propose a low cost NF estimation algorithm based on NF level change detection. This algorithm is computationally efficient since it skips the NF estimation process when the NF does not change. In numerical evaluations, we show that the proposed algorithm achieves the signficant reduction of the number of NF estimation processes without the NF estimation performance loss significantly.
Keyword (in Japanese) (See Japanese page) 
(in English) Noise Floor Estimation / Energy Detection / Dynamic Spectrum Sharing / Smart Spectrum Access / Spectrum Measurement / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 262, SR2019-68, pp. 9-16, Nov. 2019.
Paper # SR2019-68 
Date of Issue 2019-10-28 (SR) 
ISSN 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 2019-11-04 - 2019-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Rutgers University Inn & Conference Center, NJ, USA 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SmartCom2019 
Paper Information
Registration To SR 
Conference Code 2019-11-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Efficient Noise Floor Estimation for Spectrum Measurements 
Sub Title (in English)  
Keyword(1) Noise Floor Estimation  
Keyword(2) Energy Detection  
Keyword(3) Dynamic Spectrum Sharing  
Keyword(4) Smart Spectrum Access  
Keyword(5) Spectrum Measurement  
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1st Author's Name Hiroki Iwata  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
2nd Author's Name Kenta Umebayashi  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
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Speaker Author-1 
Date Time 2019-11-04 11:00:00 
Presentation Time 90 minutes 
Registration for SR 
Paper # SR2019-68 
Volume (vol) vol.119 
Number (no) no.262 
Page pp.9-16 
#Pages
Date of Issue 2019-10-28 (SR) 


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