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Paper Abstract and Keywords
Presentation 2015-11-06 11:20
Bit Error Rate Performance of Single Carrier Differential QPSK/Differential Detection in Actual Under Water Acoustic Communications Environment
Nanase Yumoto, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-232
Abstract (in Japanese) (See Japanese page) 
(in English) This paper discusses bit error rate (BER) performance of underwater acoustic communications (UWAC) in actual under water environment. This paper assumes that modulation and coding schemes are differential QPSK and differential detection as a function of transmission symbol rate. This paper evaluates BER performance by means of off-line acoustic communication evaluation systems using commercial electronic acoustic equipment and off-line signal processing software for BER evaluation using the stored received signals. This paper evaluates BER performance of UWAC in actual shallow environments of Lake Biwa, assuming water depth of around 3m. This field evaluation results confirm that the proposed UWAC system has BER of less than 10-3, assuming 5m distance between transmit and receive transducers and 2-branch diversity reception and less than around 800sps transmit symbol rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Under Water Acoustic Communications / Differential Encoding / Differential Detection / Shallow Underwater Communications / Lake Biwa Actual Environment / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 288, RCS2015-232, pp. 251-256, Nov. 2015.
Paper # RCS2015-232 
Date of Issue 2015-10-28 (RCS) 
ISSN Print edition: ISSN 0913-5685    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 RCS2015-232

Conference Information
Committee AP RCS WPT SAT  
Conference Date 2015-11-04 - 2015-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum & Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer 
Paper Information
Registration To RCS 
Conference Code 2015-11-AP-RCS-WPT-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bit Error Rate Performance of Single Carrier Differential QPSK/Differential Detection in Actual Under Water Acoustic Communications Environment 
Sub Title (in English)  
Keyword(1) Under Water Acoustic Communications  
Keyword(2) Differential Encoding  
Keyword(3) Differential Detection  
Keyword(4) Shallow Underwater Communications  
Keyword(5) Lake Biwa Actual Environment  
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Keyword(7)  
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1st Author's Name Nanase Yumoto  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Souichiro Morita  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Akinobu Murayama  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Hiroshi Kubo  
4th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2015-11-06 11:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-232 
Volume (vol) vol.115 
Number (no) no.288 
Page pp.251-256 
#Pages 6 
Date of Issue 2015-10-28 (RCS) 

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