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Paper Abstract and Keywords
Presentation 2015-12-17 16:35
A study of the method to avoid the impact of LED non-linearity using multiple multi-color LED for Color Shift Keying
Naoya Murata, Yusuke Kozawa, Yohtaro Umeda (Tokyo Univ. of Science) WBS2015-68 ITS2015-40 RCC2015-70
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, Digital Color Shift Keying (DCSK) is considered, which represent the symbols using multiple multi-color LEDs to avoid the effect of LED non-linearity in Color Shift Keying (CSK). In DCSK, the variation of optical intensity can be represented with the total amount of non-varying intensity of multiple LEDs turned 'ON', so optical signal can avoid the impact of LED non-linearity to communication quality. Moreover, in this paper, the Bit Error Rate (BER) performances of DCSK and conventional CSK are evaluated by simulation analysis considering not only LED non-linearity but also the arrangement of multiple multi-color LEDs. Consequently, the BER performance of DCSK of 64-ary using 4 colors LED is better than CSK by 7 dB compared with conventional CSK.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible Light Communication / Digital Color Shift Keying / LED / Color Shift Keying / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 364, WBS2015-68, pp. 163-168, Dec. 2015.
Paper # WBS2015-68 
Date of Issue 2015-12-10 (WBS, ITS, RCC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 WBS2015-68 ITS2015-40 RCC2015-70

Conference Information
Committee RCC ITS WBS  
Conference Date 2015-12-17 - 2015-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Communications, Reliable Communication, etc. Poster Session. 
Paper Information
Registration To WBS 
Conference Code 2015-12-RCC-ITS-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study of the method to avoid the impact of LED non-linearity using multiple multi-color LED for Color Shift Keying 
Sub Title (in English)  
Keyword(1) Visible Light Communication  
Keyword(2) Digital Color Shift Keying  
Keyword(3) LED  
Keyword(4) Color Shift Keying  
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1st Author's Name Naoya Murata  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yusuke Kozawa  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Yohtaro Umeda  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2015-12-17 16:35:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # WBS2015-68, ITS2015-40, RCC2015-70 
Volume (vol) vol.115 
Number (no) no.364(WBS), no.365(ITS), no.366(RCC) 
Page pp.163-168 
#Pages
Date of Issue 2015-12-10 (WBS, ITS, RCC) 


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