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Paper Abstract and Keywords
Presentation 2023-11-24 15:50
Communication Speed Estimation of Undersea Wavelet-OFDM Communication under EM Noise Environment
Shiryu Motomura, Takuto Semba (Kyutech), Toshiyuki Wakisaka (PHD), Tohlu Mastushima, Yuki Fukumoto, Kazuhiro Eguchi (Kyutech) EMCJ2023-79
Abstract (in Japanese) (See Japanese page) 
(in English) As the marine business expands, there is a growing demand for real-time capturing of autonomous underwater vehicles (AUVs) status using radio frequency communications. On the other hand, electromagnetic noise emitted by AUVs can interfere with communications. To investigate the impact of electromagnetic noise in undersea Wavelet-OFDM communication, the author constructed an experimental setup that simulates the radio wave transmission characteristics of underwater antennas without the experimental environment in the sea and introduced external noise to assess communication speed. The authors compared the noise power induced in the receiver to the communication speed using the proposed evaluation setup. The results shows that when the distance between the loop antennas was 1 m, communication was disabled by applying a -90 dBm disturbance. Additionally, the author proposed a method to estimate communication speed using transmission characteristics and measured electromagnetic noise. The communication speeds calculated using the proposed method agreed with the measured results with a maximum error of 1.65 Mbps. However, the calculated carrier-to-Noise Ratio (CNR), which determines the communication speed, differed by a maximum of 20 dB from measured it. Improving accuracy remains a challenge for future research.
Keyword (in Japanese) (See Japanese page) 
(in English) Undersea Wavelet-OFDM communication / communication speed estimation / electromagnetic noise / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 283, EMCJ2023-79, pp. 40-45, Nov. 2023.
Paper # EMCJ2023-79 
Date of Issue 2023-11-17 (EMCJ) 
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 EMCJ  
Conference Date 2023-11-24 - 2023-11-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Young Scientist Meeting 
Paper Information
Registration To EMCJ 
Conference Code 2023-11-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Communication Speed Estimation of Undersea Wavelet-OFDM Communication under EM Noise Environment 
Sub Title (in English)  
Keyword(1) Undersea Wavelet-OFDM communication  
Keyword(2) communication speed estimation  
Keyword(3) electromagnetic noise  
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1st Author's Name Shiryu Motomura  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Takuto Semba  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
3rd Author's Name Toshiyuki Wakisaka  
3rd Author's Affiliation Panasonic Holdings Corporation (PHD)
4th Author's Name Tohlu Mastushima  
4th Author's Affiliation Kyushu Institute of Technology (Kyutech)
5th Author's Name Yuki Fukumoto  
5th Author's Affiliation Kyushu Institute of Technology (Kyutech)
6th Author's Name Kazuhiro Eguchi  
6th Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Speaker Author-1 
Date Time 2023-11-24 15:50:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2023-79 
Volume (vol) vol.123 
Number (no) no.283 
Page pp.40-45 
#Pages 6 
Date of Issue 2023-11-17 (EMCJ) 

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