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Paper Abstract and Keywords
Presentation 2015-03-06 10:15
A Novel Spectrum Occupancy Rate Measurement Technique Based on Received Signal Power CDF Using Least Squares Method for Noise Power Estimation
Shota Rachi, Akira Saito, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) SR2014-140
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have proposed a spectrum occupancy rate measurement technique using CDF (Cumulative Probability Distribution Function) of received signal power as a threshold in order to quantitatively evaluate the temporal and spatial usage of frequency resources. However, the conventional technique has a drawback, i.e. measurement performance is significantly degraded in low received SNR conditions. To improve the measurement performance of the conventional technique in low SNR conditions, this report proposes a novel spectrum occupancy rate measurement technique based on received signal power CDF using least squares method for noise power estimation. Computer simulations and experiments have been conducted to evaluate the measurement performance of the proposed new technique according to various, parameters such as received signal SNR, packet length, and measured number of samples, as well as parameters related to the measurement technique such as noise power estimation section. Simulation and experimental results show that the proposed new technique improves measurement accuracy in low SNR conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive radio / Cumulative probability distribution function / Least square method / Received signal power / Spectrum occupancy / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 491, SR2014-140, pp. 175-179, March 2015.
Paper # SR2014-140 
Date of Issue 2015-02-25 (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 SR2014-140

Conference Information
Committee RCS SR SRW  
Conference Date 2015-03-04 - 2015-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To SR 
Conference Code 2015-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Novel Spectrum Occupancy Rate Measurement Technique Based on Received Signal Power CDF Using Least Squares Method for Noise Power Estimation 
Sub Title (in English)  
Keyword(1) Cognitive radio  
Keyword(2) Cumulative probability distribution function  
Keyword(3) Least square method  
Keyword(4) Received signal power  
Keyword(5) Spectrum occupancy  
Keyword(6)  
Keyword(7)  
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1st Author's Name Shota Rachi  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Akira Saito  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Masahiro Umehira  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
4th Author's Name Shigeki Takeda  
4th Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2015-03-06 10:15:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2014-140 
Volume (vol) vol.114 
Number (no) no.491 
Page pp.175-179 
#Pages 5 
Date of Issue 2015-02-25 (SR) 

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