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Paper Abstract and Keywords
Presentation 2014-02-17 11:30
Alamouti-Type Coding for Visible Light Communication Based on Direct Detection Using Image Sensor
Yuta Amano, Koji Kamakura (Chiba Inst. of Tech.), Takaya Yamazato (Nagoya Univ.) ITS2013-37 IE2013-102
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes Alamouti-type space time (ST) coding to visible light communication (VLC) using light emitting diodes (LEDs) and image sensor with a high-speed camera.
Although multiple LEDs of an array are used as transmitters, the received signal is essentially the image of the transmitting element, whose size in pixel reduces with distance.
When the receiver captures the LED array at a distance where images of two neighboring LEDs in the array are not separated at the image plane,
such distortion depreciates the symbol decision quality.
Our proposed scheme aims at expanding the communication range limited by the pixel resolution of image sensor.
Our implemented prototype demonstrates that ST coding is feasible to achieve 48,m error-free transmission range while the repetition transmission achieves 26,m error-free range.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible light communications / Free-space optical systems / Optical wireless communications / LED traffic lights / Alamouti type space-time coding (STC) / Intensity modulation and direct detection / Image sensor communication /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 433, ITS2013-37, pp. 43-48, Feb. 2014.
Paper # ITS2013-37 
Date of Issue 2014-02-10 (ITS, IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 ITS2013-37 IE2013-102

Conference Information
Committee ITS IE ITE-AIT ITE-HI ITE-ME  
Conference Date 2014-02-17 - 2014-02-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Image Processing, etc. 
Paper Information
Registration To ITS 
Conference Code 2014-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Alamouti-Type Coding for Visible Light Communication Based on Direct Detection Using Image Sensor 
Sub Title (in English)  
Keyword(1) Visible light communications  
Keyword(2) Free-space optical systems  
Keyword(3) Optical wireless communications  
Keyword(4) LED traffic lights  
Keyword(5) Alamouti type space-time coding (STC)  
Keyword(6) Intensity modulation and direct detection  
Keyword(7) Image sensor communication  
Keyword(8)  
1st Author's Name Yuta Amano  
1st Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
2nd Author's Name Koji Kamakura  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
3rd Author's Name Takaya Yamazato  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2014-02-17 11:30:00 
Presentation Time 15 minutes 
Registration for ITS 
Paper # ITS2013-37, IE2013-102 
Volume (vol) vol.113 
Number (no) no.433(ITS), no.434(IE) 
Page pp.43-48 
#Pages
Date of Issue 2014-02-10 (ITS, IE) 


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