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Paper Abstract and Keywords
Presentation 2015-12-17 10:30
[Poster Presentation] A Study on Signal Demodulation Method Based on Pseudo Blinking Pattern Image for Image-Sensor-Based Visible Light Communication
Yuki Ohira, Shintaro Arai (NIT, Kagawa College), Tomohiro Yendo (Nagaoka Univ. of Tech.), Di He (SJTU) WBS2015-44 ITS2015-16 RCC2015-46
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we focus on the image-sensor-based visible light communication (VLC) for the intelligent transport system (ITS).
As one of disadvantages of the image-sensor-based VLC, this receiver suffers from the degradation of the captured image with increasing the communication distance.
In this case, it is difficult to correctly recover data because the captured image blurs owing to defocusing. To overcome this problem, we propose a novel demodulation method using blurred captured image to recover data correctly even if the captured image blurs seriously.
In the proposed method, we make pseudo blinking pattern images which are imitations of all LED blinking pattern of the transmitter.
The proposed method calculates a Euclidean distance of pixels between the original captured image and each pseudo blinking pattern image.
Finally, we choose the smallest distance from among all Euclidean distances and determine the received LED blinking pattern from the pseudo blinking pattern image corresponding to the smallest distance.
From the simulation results, we have confirmed that the proposed method improves the BER performance as compared with the conventional OOK method based on simple threshold processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible Light Communication (VLC) / LED / Image sensor / ITS / Infrastructure to Vehicle VLC / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 365, ITS2015-16, pp. 31-35, Dec. 2015.
Paper # ITS2015-16 
Date of Issue 2015-12-10 (WBS, ITS, RCC) 
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 WBS2015-44 ITS2015-16 RCC2015-46

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 ITS 
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 on Signal Demodulation Method Based on Pseudo Blinking Pattern Image for Image-Sensor-Based Visible Light Communication 
Sub Title (in English)  
Keyword(1) Visible Light Communication (VLC)  
Keyword(2) LED  
Keyword(3) Image sensor  
Keyword(4) ITS  
Keyword(5) Infrastructure to Vehicle VLC  
1st Author's Name Yuki Ohira  
1st Author's Affiliation National Institute of Technology, Kagawa College (NIT, Kagawa College)
2nd Author's Name Shintaro Arai  
2nd Author's Affiliation National Institute of Technology, Kagawa College (NIT, Kagawa College)
3rd Author's Name Tomohiro Yendo  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
4th Author's Name Di He  
4th Author's Affiliation Shanghai Jiao Tong University (SJTU)
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Date Time 2015-12-17 10:30:00 
Presentation Time 120 
Registration for ITS 
Paper # IEICE-WBS2015-44,IEICE-ITS2015-16,IEICE-RCC2015-46 
Volume (vol) IEICE-115 
Number (no) no.364(WBS), no.365(ITS), no.366(RCC) 
Page pp.31-35 
#Pages IEICE-5 
Date of Issue IEICE-WBS-2015-12-10,IEICE-ITS-2015-12-10,IEICE-RCC-2015-12-10 

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