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Paper Abstract and Keywords
Presentation 2019-01-11 17:05
Development and Evaluation of a Visible-Light CDM Experimental System with Dimming Control for Indoor Lighting Equipment
Ryo Kawamoto, Yuto Doi, Kenmu Kamimura, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) MICT2018-66
Abstract (in Japanese) (See Japanese page) 
(in English) Visible-light communication systems using LED light sources are suitable to realize secure indoor networks. In this study, we develop an experimental system with the function of data transmission and dimming control. The developed system is based on a synchronous optical code-division multiplexing (CDM) using the equal-weight orthogonal (EWO) interference cancellation scheme. It uses both codewords of a modified prime sequence code (MPSC) and an inverted MPSC. Dimming level is determined by the ratio of inverted MPSC in a frame which consists of several CDM slots. It is shown that the developed system achieves multi-level dimming control and multi-channel data transmission simultaneously. The experimental results about the brightness agree well with the theoretical results.
Keyword (in Japanese) (See Japanese page) 
(in English) optical CDM / MPSC / inverted MPSC / MUI / LED / dimming control / experiment /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 383, MICT2018-66, pp. 31-36, Jan. 2019.
Paper # MICT2018-66 
Date of Issue 2019-01-04 (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)
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Conference Information
Committee MICT  
Conference Date 2019-01-11 - 2019-01-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Meiji Universtiy (Surugadai Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Healthcare and Medical Information Communication Technologies, etc. 
Paper Information
Registration To MICT 
Conference Code 2019-01-MICT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and Evaluation of a Visible-Light CDM Experimental System with Dimming Control for Indoor Lighting Equipment 
Sub Title (in English)  
Keyword(1) optical CDM  
Keyword(2) MPSC  
Keyword(3) inverted MPSC  
Keyword(4) MUI  
Keyword(5) LED  
Keyword(6) dimming control  
Keyword(7) experiment  
Keyword(8)  
1st Author's Name Ryo Kawamoto  
1st Author's Affiliation Polytechnic University (Polytechnic Univ.)
2nd Author's Name Yuto Doi  
2nd Author's Affiliation Polytechnic University (Polytechnic Univ.)
3rd Author's Name Kenmu Kamimura  
3rd Author's Affiliation Polytechnic University (Polytechnic Univ.)
4th Author's Name Tomoko K. Matsushima  
4th Author's Affiliation Polytechnic University (Polytechnic Univ.)
5th Author's Name Shinichiro Miyazaki  
5th Author's Affiliation Polytechnic University (Polytechnic Univ.)
6th Author's Name Kotoku Omura  
6th Author's Affiliation Polytechnic University (Polytechnic Univ.)
7th Author's Name Shoichiro Yamasaki  
7th Author's Affiliation Polytechnic University (Polytechnic Univ.)
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Speaker Author-1 
Date Time 2019-01-11 17:05:00 
Presentation Time 25 minutes 
Registration for MICT 
Paper # MICT2018-66 
Volume (vol) vol.118 
Number (no) no.383 
Page pp.31-36 
#Pages 6 
Date of Issue 2019-01-04 (MICT) 

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