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Paper Abstract and Keywords
Presentation 2016-10-06 13:00
[Poster Presentation] A Study on Signal Demodulation Method Based on Pseudo Captured Image and its Complexity Reduction for Image-Sensor-Based Visible Light Communication
Yuki Ohira (Nagaoka Univ. of Tech.), Shintaro Arai (Okayama Univ. of Sci.), Tomohiro Yendo (Nagaoka Univ. of Tech.) WBS2016-41
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we focus on the visible light communication using a high-speed image sensor for an intelligent transports system.
This system's receiver suffers from an inability to detect the correct
light-emitting diode pixel values since the captured image blurs owing to spatial channel characterization.
To overcome this problem, we proposed data demodulation methods from blurred images
by using maximum likelihood estimation (MLE) method.
However, this method requires high complexity as the number of LEDs increases.
In this paper, we propose a demodulation algorithm whose performance approaches
the MLE method with significantly reduced complexity by considering the reliability of results of MMSE estimation using a threshold parameter.
We conduct computer simulation to evaluate the BER performance of proposed method and complexity reduction performance.
We confirm that the BER performance of the proposed method is close to MLE method and the complexity reduction performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible light communication / LED / High-speed image sensor / ITS / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 236, WBS2016-41, pp. 53-57, Oct. 2016.
Paper # WBS2016-41 
Date of Issue 2016-09-29 (WBS) 
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)
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Conference Information
Committee WBS  
Conference Date 2016-10-06 - 2016-10-06 
Place (in Japanese) (See Japanese page) 
Place (in English) National Defense Academy 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Visual Light Communiation, Poster Session, etc. 
Paper Information
Registration To WBS 
Conference Code 2016-10-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 Captured Image and its Complexity Reduction for Image-Sensor-Based Visible Light Communication 
Sub Title (in English)  
Keyword(1) Visible light communication  
Keyword(2) LED  
Keyword(3) High-speed image sensor  
Keyword(4) ITS  
1st Author's Name Yuki Ohira  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Shintaro Arai  
2nd Author's Affiliation Okayama University of Science (Okayama Univ. of Sci.)
3rd Author's Name Tomohiro Yendo  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Date Time 2016-10-06 13:00:00 
Presentation Time 150 
Registration for WBS 
Paper # IEICE-WBS2016-41 
Volume (vol) IEICE-116 
Number (no) no.236 
Page pp.53-57 
#Pages IEICE-5 
Date of Issue IEICE-WBS-2016-09-29 

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