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Paper Abstract and Keywords
Presentation 2025-01-24 09:50
A study on relay node placement for multi-hop APCMA communication
Ryota Yamamoto, Naoki Wakamiya (Osaka Univ.), Iruru Ouchi, Mikio Hasegawa (TUS) SeMI2024-75
Abstract (in Japanese) (See Japanese page) 
(in English) This paper examines the placement of relay nodes for multi-hop communication using Asynchronous Pulse Code Multiple Access (APCMA) with very low frequency radio waves. APCMA encodes data in intervals of a small number of pulses. To decode a message, a receiver simply finds a combination of pulses having valid intervals. Thus, it is possible to demultiplex and decode messages when they are overlapped with each other, which contributes to the high multiplexing capability of APCMA. In this paper, we propose a Genetic Algorithm-based algorithm to determine the placement of relay nodes which accomplishes the required message reception probability with the minimum number of relay nodes. We confirmed that our proposal can reduce the number of relay nodes by about 17% compared to the regular placement. However, we also found that there was a room for further improvement of our proposal.
Keyword (in Japanese) (See Japanese page) 
(in English) underwater communication / Asynchronous Pulse Code Multiple Access / multi-hop / Very Low Frequency / Genetic Algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 353, SeMI2024-75, pp. 76-81, Jan. 2025.
Paper # SeMI2024-75 
Date of Issue 2025-01-16 (SeMI) 
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)
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Conference Information
Committee SeMI  
Conference Date 2025-01-23 - 2025-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SeMI 
Conference Code 2025-01-SeMI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on relay node placement for multi-hop APCMA communication 
Sub Title (in English)  
Keyword(1) underwater communication  
Keyword(2) Asynchronous Pulse Code Multiple Access  
Keyword(3) multi-hop  
Keyword(4) Very Low Frequency  
Keyword(5) Genetic Algorithm  
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Keyword(8)  
1st Author's Name Ryota Yamamoto  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Naoki Wakamiya  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Iruru Ouchi  
3rd Author's Affiliation Tokyo University of Science (TUS)
4th Author's Name Mikio Hasegawa  
4th Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2025-01-24 09:50:00 
Presentation Time 20 minutes 
Registration for SeMI 
Paper # SeMI2024-75 
Volume (vol) vol.124 
Number (no) no.353 
Page pp.76-81 
#Pages 6 
Date of Issue 2025-01-16 (SeMI) 

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