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Paper Abstract and Keywords
Presentation 2019-01-31 10:15
A Study on Regularization Parameter in OFDM Communication Using Sparse Channel Estimation
Kenta Kawahara, Takahiro Natori (Tokyo Univ. of Science), Takashi Yoshida (TMCIT), Akira Nakamura, Makoto Itami, Naoyuki Aikawa (Tokyo Univ. of Science) IT2018-38 SIP2018-68 RCS2018-245
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, sparse estimation using signal sparsity, which is one solution to the inverse problem, attracts attention.The optimal regularization parameter used for sparse channel estimation in OFDM communication varies depending on the magnitude of the noise and the propagation environment.However, the currently proposed method experimentally searches and determines the regularization parameter that makes the average BER characteristic the best.In this paper, we used a method to adaptively determine regularization parameters.
By computer simulation, we show that the proposed method realizes the same estimation accuracy as the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) scattered-pilot OFDM / l1 regularization / sparse channel estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 435, RCS2018-245, pp. 19-24, Jan. 2019.
Paper # RCS2018-245 
Date of Issue 2019-01-24 (IT, SIP, RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 IT2018-38 SIP2018-68 RCS2018-245

Conference Information
Committee RCS SIP IT  
Conference Date 2019-01-31 - 2019-02-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2019-01-RCS-SIP-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Regularization Parameter in OFDM Communication Using Sparse Channel Estimation 
Sub Title (in English)  
Keyword(1) scattered-pilot OFDM  
Keyword(2) l1 regularization  
Keyword(3) sparse channel estimation  
1st Author's Name Kenta Kawahara  
1st Author's Affiliation Graduate school, Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Takahiro Natori  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Takashi Yoshida  
3rd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (TMCIT)
4th Author's Name Akira Nakamura  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
5th Author's Name Makoto Itami  
5th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
6th Author's Name Naoyuki Aikawa  
6th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Date Time 2019-01-31 10:15:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-IT2018-38,IEICE-SIP2018-68,IEICE-RCS2018-245 
Volume (vol) IEICE-118 
Number (no) no.433(IT), no.434(SIP), no.435(RCS) 
Page pp.19-24 
#Pages IEICE-6 
Date of Issue IEICE-IT-2019-01-24,IEICE-SIP-2019-01-24,IEICE-RCS-2019-01-24 

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