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Paper Abstract and Keywords
Presentation 2026-03-05 16:25
Investigation of Array Antenna Configurations in Highly Efficient OFDM Underwater Acoustic Communication
Kota Koyano, Ayaka Saeki, Shuji Nonaka (Tokyo Univ. of Science), Daisuke Hisano (The Univ. of Osaka), Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC), Kazuki Maruta (Tokyo Univ. of Science) RCS2025-281
Abstract (in Japanese) (See Japanese page) 
(in English) This study aims to achieve high-capacity underwater acoustic communication by shortening OFDM symbols and cyclic prefixes, treating delayed paths as interference, and suppressing them using the spatial degrees of freedom of array antennas. Considering the practical limitations of hydrophone spacing, we evaluate the impact of antenna parameters on interference suppression with a passband channel simulator and discuss feasible deployment configurations.
Keyword (in Japanese) (See Japanese page) 
(in English) Underwater acoustic communication / OFDM / SIMO / MIMO / MassiveMIMO / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 387, RCS2025-281, pp. 128-133, March 2026.
Paper # RCS2025-281 
Date of Issue 2026-02-25 (RCS) 
ISSN 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 RCS2025-281

Conference Information
Committee RCS SR SRW  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Science 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2026-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Array Antenna Configurations in Highly Efficient OFDM Underwater Acoustic Communication 
Sub Title (in English)  
Keyword(1) Underwater acoustic communication  
Keyword(2) OFDM  
Keyword(3) SIMO  
Keyword(4) MIMO  
Keyword(5) MassiveMIMO  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kota Koyano  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Ayaka Saeki  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Shuji Nonaka  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
4th Author's Name Daisuke Hisano  
4th Author's Affiliation The University of Osaka (The Univ. of Osaka)
5th Author's Name Mitsuyasu Deguchi  
5th Author's Affiliation Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
6th Author's Name Yukihiro Kida  
6th Author's Affiliation Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
7th Author's Name Takuya Shimura  
7th Author's Affiliation Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
8th Author's Name Kazuki Maruta  
8th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2026-03-05 16:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2025-281 
Volume (vol) vol.125 
Number (no) no.387 
Page pp.128-133 
#Pages 6 
Date of Issue 2026-02-25 (RCS) 

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