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Paper Abstract and Keywords
Presentation 2021-03-04 13:20
[Poster Presentation] Recovery of Partially Missing OFDM Signal in Time-Domain
Chengbo Liu, Na Chen, Minoru Okada (NAIST) IT2020-127 ISEC2020-57 WBS2020-46
Abstract (in Japanese) (See Japanese page) 
(in English) Orthogonal Frequency Division Multiplexing (OFDM) suffers from the partial time-domain loss which is caused by obstacles and Impulsive Noise (IN) in harsh industrial scenarios such as automatic factories. The conventional methods include Partial Packet Recovery (PPR) and Blanking Nonlinearity (BN). PPR determines the erroneous part and re-send this part. However, PPR should have feedback and may have delay. BN selects the proper threshold to blank the signal which is affected by IN. However, it is sensitive to the threshold. In this pa- per, we utilize OFDM with Suboptimal Maximum Likelihood sequence estimation (SML) (OFDM-SML) to recover the received partial time-domain signal caused by obstacles. Moreover, OFDM-SML with BN (OFDM-SMLB) is proposed to further improve the performance of the conventional blanking system.
Keyword (in Japanese) (See Japanese page) 
(in English) Partial signal recovery / Impulsive noise / OFDM system / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 412, WBS2020-46, pp. 98-103, March 2021.
Paper # WBS2020-46 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 
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 WBS IT ISEC  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of WBS, IT, and ISEC 
Paper Information
Registration To WBS 
Conference Code 2021-03-WBS-IT-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Recovery of Partially Missing OFDM Signal in Time-Domain 
Sub Title (in English)  
Keyword(1) Partial signal recovery  
Keyword(2) Impulsive noise  
Keyword(3) OFDM system  
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1st Author's Name Chengbo Liu  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Na Chen  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Minoru Okada  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2021-03-04 13:20:00 
Presentation Time 80 minutes 
Registration for WBS 
Paper # IT2020-127, ISEC2020-57, WBS2020-46 
Volume (vol) vol.120 
Number (no) no.410(IT), no.411(ISEC), no.412(WBS) 
Page pp.98-103 
#Pages
Date of Issue 2021-02-25 (IT, ISEC, WBS) 


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