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Paper Abstract and Keywords
Presentation 2022-07-25 09:30
[Poster Presentation] A Study of PDs Arrangement for Underwater Visible Light Communication using Angular Diversity Receiver
Keigo Matsunaga, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ) WBS2022-19 MICT2022-19
Abstract (in Japanese) (See Japanese page) 
(in English) Underwater optical wireless communication (UWOC) has tremendous capabilities for searching and excavating under sea resources however, the available area of UWOC has been limited in the deep ocean as it's SNR is severely deteriorated by solar noise and any other background noise in shallow water. This paper proposes UWOC using angular diversity receiver which is consisted of multiple photo diodes (PDs) arranged at different angles for reducing solar noise and using maximal ration combining scheme as diversity combining method. Also, we compare the three different area's average SNR of 8 different types of receivers and consider the PD placement that provides the most stable communication performance.
As a result, in the 2m$times$2m area, the receiver with PDs are arranged evenly (Rx8) showed the highest SNR. On the other hand, in the areas of 4m$times$4m and 8m$times$8m, the receiver with most PDs are placed at side of the receiver (Rx1) showed the best SNR when the background light noise was significant.In addition, while receivers other than Rx1 have SNR degradation of more than 10 dB due to solar noise, the Rx1 receiver can limit the SNR degradation to 7dB. This result confirms that Rx1 shows the most stable communication performance against temporal changes in solar noise.
Keyword (in Japanese) (See Japanese page) 
(in English) Underwater visible light communication (UVLC) / Angle diversity / Equal gain combining / Select Best combining / Maximal Ratio Combining / Solar noise / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 131, WBS2022-19, pp. 12-17, July 2022.
Paper # WBS2022-19 
Date of Issue 2022-07-18 (WBS, MICT) 
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 WBS2022-19 MICT2022-19

Conference Information
Committee MICT WBS  
Conference Date 2022-07-25 - 2022-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Prefectural University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wideband System, Healthcare and Medical Information Communication Technologies, Student Poster Session, etc. 
Paper Information
Registration To WBS 
Conference Code 2022-07-MICT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of PDs Arrangement for Underwater Visible Light Communication using Angular Diversity Receiver 
Sub Title (in English)  
Keyword(1) Underwater visible light communication (UVLC)  
Keyword(2) Angle diversity  
Keyword(3) Equal gain combining  
Keyword(4) Select Best combining  
Keyword(5) Maximal Ratio Combining  
Keyword(6) Solar noise  
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Keyword(8)  
1st Author's Name Keigo Matsunaga  
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 2022-07-25 09:30:00 
Presentation Time 75 minutes 
Registration for WBS 
Paper # WBS2022-19, MICT2022-19 
Volume (vol) vol.122 
Number (no) no.131(WBS), no.132(MICT) 
Page pp.12-17 
#Pages 6 
Date of Issue 2022-07-18 (WBS, MICT) 

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