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Paper Abstract and Keywords
Presentation 2012-07-27 09:00
Wireless Visible Light Communication system using OFDM subcarriers
Ryo Harada, Makoto Togawa, Masahiro Muraguchi (TUS) MW2012-45 OPE2012-38 EST2012-27 MWP2012-26 Link to ES Tech. Rep. Archives: MW2012-45 OPE2012-38 EST2012-27 MWP2012-26
Abstract (in Japanese) (See Japanese page) 
(in English) Visible light communications (VLC) using LEDs have been rapidly developed. Nevertheless, current VLCs cannot transmit large data with high-speed because of limited high-frequency operation of LEDs, i.e. generally up to about 10 [MHz]. In this study, we introduce OFDM to enhance transmission capacity of VLCs under the limited frequency range. Furthermore, an adaptive modulation technique is also employed for the OFDM. It selects an appropriate modulation for each subcarrier of the OFDM according to frequency characteristics of LEDs. As the early stages of our study, a transmission capacity of 9 [Mbps] has been demonstrated using a simple VLC system with inexpensive LEDs.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital communication / digital signal processing / LED / OFDM / wireless communication / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 155, MW2012-45, pp. 119-124, July 2012.
Paper # MW2012-45 
Date of Issue 2012-07-19 (MW, OPE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 MW2012-45 OPE2012-38 EST2012-27 MWP2012-26 Link to ES Tech. Rep. Archives: MW2012-45 OPE2012-38 EST2012-27 MWP2012-26

Conference Information
Conference Date 2012-07-26 - 2012-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2012-07-MWP-OPE-MW-EMT-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wireless Visible Light Communication system using OFDM subcarriers 
Sub Title (in English)  
Keyword(1) Digital communication  
Keyword(2) digital signal processing  
Keyword(3) LED  
Keyword(4) OFDM  
Keyword(5) wireless communication  
1st Author's Name Ryo Harada  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Makoto Togawa  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Masahiro Muraguchi  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Date Time 2012-07-27 09:00:00 
Presentation Time 25 
Registration for MW 
Paper # IEICE-MW2012-45,IEICE-OPE2012-38,IEICE-EST2012-27,IEICE-MWP2012-26 
Volume (vol) IEICE-112 
Number (no) no.155(MW), no.156(OPE), no.157(EST), no.158(MWP) 
Page pp.119-124 
#Pages IEICE-6 
Date of Issue IEICE-MW-2012-07-19,IEICE-OPE-2012-07-19,IEICE-EST-2012-07-19,IEICE-MWP-2012-07-19 

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