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Paper Abstract and Keywords
Presentation 2017-08-31 13:50
Research on time reversal underwater acoustic communication -- Application for spatial division multiplexing in comparison with OFDM --
Takuya Shimura, Yukihiro Kida, Mitsuyasu Deguchi (JAMSTEC) US2017-52
Abstract (in Japanese) (See Japanese page) 
(in English) Time reversal is an effective method for channel equalization in underwater acoustic communication. Its temporal and spa-tial focusing efficiently can compensate intersymbol interference (ISI). Additionally, time reversal is a promising solution also for multiple-input/multiple-output (MIMO) communication or multi user communication by realizing space division multi-plexing (SDM) based on its focusing effect. In this study, the performance of adaptive time reversal for SDM communication is investigated based on simulation and real data, comparing with orthogonal frequency-division multiplexing (OFDM). As results, it is demonstrated that adaptive time reversal has a much better performance than OFDM with SDM combiner.
Keyword (in Japanese) (See Japanese page) 
(in English) phase conjugate / time reversal / underwater acoustic communication / spatial division multiplexing / multiuser communication / MIMO communication / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 190, US2017-52, pp. 31-36, Aug. 2017.
Paper # US2017-52 
Date of Issue 2017-08-24 (US) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2017-52

Conference Information
Committee US  
Conference Date 2017-08-31 - 2017-08-31 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To US 
Conference Code 2017-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Research on time reversal underwater acoustic communication 
Sub Title (in English) Application for spatial division multiplexing in comparison with OFDM 
Keyword(1) phase conjugate  
Keyword(2) time reversal  
Keyword(3) underwater acoustic communication  
Keyword(4) spatial division multiplexing  
Keyword(5) multiuser communication  
Keyword(6) MIMO communication  
1st Author's Name Takuya Shimura  
1st Author's Affiliation JAMSTEC (JAMSTEC)
2nd Author's Name Yukihiro Kida  
2nd Author's Affiliation JAMSTEC (JAMSTEC)
3rd Author's Name Mitsuyasu Deguchi  
3rd Author's Affiliation JAMSTEC (JAMSTEC)
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Date Time 2017-08-31 13:50:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2017-52 
Volume (vol) IEICE-117 
Number (no) no.190 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-US-2017-08-24 

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