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| Presentation | 2016-10-06 13:00 [Poster Presentation] A Study of Color Deviation Mitigation Method for Digital Color Shift Keying using RGB-LED Array Yusuke Matsuda, Yusuke Kozawa, Yohtaro Umeda (TUS)  WBS2016-39 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Digital color shift keying (DCSK) is a visible light communication (VLC) intensity modulation method, which can fulfill the both roles of lighting and communication by using RGB-light emitting diodes (LEDs). DCSK transmits data through the intensities ratio of RGB-LEDs by digital multiple ``on-off'' LED control in a multiple RGB-LEDs (i.e., RGB-LED array). Moreover, the perceived color on human eye (i.e., target color) of modulated DCSK signal can be shifted by choosing the $M$ constellation points for data transmission. However, when the RGB intensities are assigned to multiple RGB-LEDs for representing DCSK symbol, the undesired color deviation occurs in an RGB-LED array. In this paper, we consider the life span of RGB-LED array by applying cyclic mapping to mitigate undesired color deviation in the target color controlled DCSK system, and experimentally evaluated by correlated color temperature (CCT), x-y chromaticity coordinate, and error vector performance (EVM) performance. As the result, the cyclic mapping methods leads EVM performance degradation up to 2dB, because the LEDs have more chances to turn on and off. But for lighting performance, CCT and x-y chromaticity coordinate get close to the designed value. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Visible Light Communication / LED / Color Shift Keying / Digital Color Shift Keying / Color Temperature / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 236, WBS2016-39, pp. 41-46, Oct. 2016. | |
| Paper # | WBS2016-39 | |
| Date of Issue | 2016-09-29 (WBS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and 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 | WBS2016-39 |
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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 of Color Deviation Mitigation Method for Digital Color Shift Keying using RGB-LED Array |
| Sub Title (in English) | |
| Keyword(1) | Visible Light Communication |
| Keyword(2) | LED |
| Keyword(3) | Color Shift Keying |
| Keyword(4) | Digital Color Shift Keying |
| Keyword(5) | Color Temperature |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yusuke Matsuda |
| 1st Author's Affiliation | Tokyo University of Science (TUS) |
| 2nd Author's Name | Yusuke Kozawa |
| 2nd Author's Affiliation | Tokyo University of Science (TUS) |
| 3rd Author's Name | Yohtaro Umeda |
| 3rd Author's Affiliation | Tokyo University of Science (TUS) |
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| Speaker | Author-1 |
| Date Time | 2016-10-06 13:00:00 |
| Presentation Time | 150 minutes |
| Registration for | WBS |
| Paper # | WBS2016-39 |
| Volume (vol) | vol.116 |
| Number (no) | no.236 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2016-09-29 (WBS) |
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