Information: Join today and make your research activities more affordable! Technical workshop participation fees and annual registration fees are available at member rates.
Notice: [Important] Announcement of Changes to Registration Fee Payment and Manuscript Upload Procedures for IEICE Technical Meetings
IEICE Technical Committee Submission System
Conference Paper's Information		 Online Proceedings
[Sign in]
Tech. Rep. Archives
 Go Top Page Go Previous   [Japanese] / [English] 

Paper Abstract and Keywords
Presentation 2023-11-17 11:25
[Encouragement Talk] Differential OFDM for Underwater Acoustic Communications and its Experimental Results in Sharrow Sea Environment
Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2023-172
Abstract (in Japanese) (See Japanese page) 
(in English) It is well-known that underwater acoustic communications (UWACs) play an important role for underwater mobile communications. However, UWACs suffer from time selectivity due to Doppler shifts and frequency selectivity due to delay spread, because speed of sound is 1/200000th that of light, where these channel environments are called doubly-selective environments. First, this paper discusses features and issues of UWACs. Next, in order to solve these issues, this paper proposes differential OFDM employing a phase offset insertion scheme for each subcarrier (SPO), multiple differential detection with channel prediction and parallel blind demodulation with respect to different re-samplers. Finally, computer simulation results confirm that the proposed differential OFDM has excellent performance in severe doubly-selective channel environments of UWACs.
Keyword (in Japanese) (See Japanese page) 
(in English) Underwater Acoustic Communications / Doubly-Selective Channels / Differential OFDM / Channel Prediction / Multiple Differential Detection / Re-Sampling / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 263, RCS2023-172, pp. 101-106, Nov. 2023.
Paper # RCS2023-172 
Date of Issue 2023-11-08 (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 RCS2023-172

Conference Information
Committee AP RCS  
Conference Date 2023-11-15 - 2023-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Prefectural Workers' Welfare Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2023-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Differential OFDM for Underwater Acoustic Communications and its Experimental Results in Sharrow Sea Environment 
Sub Title (in English)  
Keyword(1) Underwater Acoustic Communications  
Keyword(2) Doubly-Selective Channels  
Keyword(3) Differential OFDM  
Keyword(4) Channel Prediction  
Keyword(5) Multiple Differential Detection  
Keyword(6) Re-Sampling  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroshi Kubo  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Taichi Fujita  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Kouichi Hashimoto  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Takumi Yoshimura  
4th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
5th Author's Name  
5th Author's Affiliation ()
6th Author's Name  
6th Author's Affiliation ()
7th Author's Name  
7th Author's Affiliation ()
8th Author's Name  
8th Author's Affiliation ()
9th Author's Name  
9th Author's Affiliation ()
10th Author's Name  
10th Author's Affiliation ()
11th Author's Name  
11th Author's Affiliation ()
12th Author's Name  
12th Author's Affiliation ()
13th Author's Name  
13th Author's Affiliation ()
14th Author's Name  
14th Author's Affiliation ()
15th Author's Name  
15th Author's Affiliation ()
16th Author's Name  
16th Author's Affiliation ()
17th Author's Name  
17th Author's Affiliation ()
18th Author's Name  
18th Author's Affiliation ()
19th Author's Name  
19th Author's Affiliation ()
20th Author's Name  
20th Author's Affiliation ()
21st Author's Name  
21st Author's Affiliation ()
22nd Author's Name  
22nd Author's Affiliation ()
23rd Author's Name  
23rd Author's Affiliation ()
24th Author's Name  
24th Author's Affiliation ()
25th Author's Name  
25th Author's Affiliation ()
26th Author's Name / /
26th Author's Affiliation ()
()
27th Author's Name / /
27th Author's Affiliation ()
()
28th Author's Name / /
28th Author's Affiliation ()
()
29th Author's Name / /
29th Author's Affiliation ()
()
30th Author's Name / /
30th Author's Affiliation ()
()
31st Author's Name / /
31st Author's Affiliation ()
()
32nd Author's Name / /
32nd Author's Affiliation ()
()
33rd Author's Name / /
33rd Author's Affiliation ()
()
34th Author's Name / /
34th Author's Affiliation ()
()
35th Author's Name / /
35th Author's Affiliation ()
()
36th Author's Name / /
36th Author's Affiliation ()
()
Speaker Author-1 
Date Time 2023-11-17 11:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2023-172 
Volume (vol) vol.123 
Number (no) no.263 
Page pp.101-106 
#Pages 6 
Date of Issue 2023-11-08 (RCS) 

[Return to Top Page]

[Return to IEICE Web Page]
The Institute of Electronics, Information and Communication Engineers (IEICE), Japan