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Paper Abstract and Keywords
Presentation 2020-11-05 15:10
[Invited Talk] Semi-Blind Channel Estimation using Pilot Subcarriers and Subspace Approach in Orthogonal Precoded OFDM
Hikaru Kawasaki, Takeshi Matsumura, Fumihide Kojima (NICT) CS2020-50
Abstract (in Japanese) (See Japanese page) 
(in English) Orthogonal precoded (OP)-orthogonal frequency-division multiplexing (OFDM) is an OFDM scheme with an invertible precoding. As previously reported, slight redundancy on data transmission enables orthogonal precoding to efficiently suppress high out-of-band emission (OOBE) of traditional OFDM signals. Meanwhile, precoding generally affects modulating symbols on all subcarriers, and thus, prevents classical channel estimation schemes based on pilot subcarriers. This study makes a summary of channel estimation schemes previously proposed by the authors and proposes a semi-blind channel estimation scheme suitable for OP-OFDM with pilot subcarriers.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / precoding / OOBE suppression / subspace approach / semi-blind channel estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 223, CS2020-50, pp. 18-23, Nov. 2020.
Paper # CS2020-50 
Date of Issue 2020-10-29 (CS) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 CS  
Conference Date 2020-11-05 - 2020-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Online + Central Community Center, Nonoichi Community Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadband access, Home network, Network service, Communication applications, etc. 
Paper Information
Registration To CS 
Conference Code 2020-11-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Semi-Blind Channel Estimation using Pilot Subcarriers and Subspace Approach in Orthogonal Precoded OFDM 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) precoding  
Keyword(3) OOBE suppression  
Keyword(4) subspace approach  
Keyword(5) semi-blind channel estimation  
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1st Author's Name Hikaru Kawasaki  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Takeshi Matsumura  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Fumihide Kojima  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2020-11-05 15:10:00 
Presentation Time 25 minutes 
Registration for CS 
Paper # CS2020-50 
Volume (vol) vol.120 
Number (no) no.223 
Page pp.18-23 
#Pages
Date of Issue 2020-10-29 (CS) 


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