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Paper Abstract and Keywords
Presentation 2020-12-14 15:15
A study of CSK constellation point design for Underwater SLIPT using Time Splitting receiver
Takuma Kogo, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) WBS2020-19 ITS2020-15 RCC2020-22
Abstract (in Japanese) (See Japanese page) 
(in English) Simultaneous light wave information and power transfer (SLIPT) plays an important role in constructing a flexible underwater network system to achieve both underwater visible light communication (UVLC) and underwater power transfer. In this paper, we consider color shift keying (CSK) as multicolor-based modulation for underwater SLIPT (USLIPT). Also, we design optimized CSK (OCSK) constellation based on chlorophyll concentration. Moreover, we evaluate average bit-error rate as a communication performance and harvested energy as a power supply performance of the system with USLIPT using time splitting receiver. As a result, the proposed OCSK system can achieve a variability rate of total received current of 0. Also, the error rates of OCSK and OOK are less than $10^{-6}$ for the water quality of pure sea when the distance between the transmitter and receiver, the full width transmitter beam divergence angle and the receiver aperture diameter are 50 m, 6 degrees and 0.05 m, respectively. Furthermore, in this pure sea condition, the harvest energy of OCSK was found to be slightly greater than that of OOK for the same DC bias current value at the transmitter.
Keyword (in Japanese) (See Japanese page) 
(in English) underwater visible light communication / color shift keying / underwater simultaneous lightwave information and power transfer / Time Splitting / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 290, WBS2020-19, pp. 61-66, Dec. 2020.
Paper # WBS2020-19 
Date of Issue 2020-12-07 (WBS, ITS, RCC) 
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 WBS2020-19 ITS2020-15 RCC2020-22

Conference Information
Committee ITS WBS RCC  
Conference Date 2020-12-14 - 2020-12-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Communications, Reliable Communication and Control, Radar and Sensing, etc. 
Paper Information
Registration To WBS 
Conference Code 2020-12-ITS-WBS-RCC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study of CSK constellation point design for Underwater SLIPT using Time Splitting receiver 
Sub Title (in English)  
Keyword(1) underwater visible light communication  
Keyword(2) color shift keying  
Keyword(3) underwater simultaneous lightwave information and power transfer  
Keyword(4) Time Splitting  
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1st Author's Name Takuma Kogo  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Yusuke Kozawa  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Hiromasa Habuchi  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2020-12-14 15:15:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # WBS2020-19, ITS2020-15, RCC2020-22 
Volume (vol) vol.120 
Number (no) no.290(WBS), no.291(ITS), no.292(RCC) 
Page pp.61-66 
#Pages 6 
Date of Issue 2020-12-07 (WBS, ITS, RCC) 

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