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| Presentation | 2017-10-12 15:00 [Poster Presentation] Experimental Evaluation of PWM/DPAM Hybrid Dimming Control Method for DCSK Yusuke Matsuda (TUS), Yusuke Kozawa (Ibaraki Univ.), Yohtaro Umeda (TUS)  WBS2017-27 |
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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 (LED) array. DCSK transmits data through the intensity rate of RGB-LEDs, which can be represented by digital “on-off” LED control by multiple RGB-LEDs. For the dimming control method of DCSK, two kinds of dimming scheme are considered. One is the pulse width modulation (PWM) dimming scheme, which changes the duty cycle of optical transmit signals, and the other is the digital pulse amplitude modulation (DPAM) dimming scheme, which changes the number of RGB-LEDs usage. In the former research, combining these two dimming scheme can realize the wider dimming range than DPAM, and the higher spectral efficiency than PWM. In this paper, we focus on this hybrid PWM/DPAM dimming control for DCSK, and experimentally evaluate the dimming accuracy and the effective throughput performance by each dimming level. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LED / visible light communication / color shift keying / digital color shift keying / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 234, WBS2017-27, pp. 21-26, Oct. 2017. | |
| Paper # | WBS2017-27 | |
| Date of Issue | 2017-10-05 (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 | WBS2017-27 |
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| Conference Information | |
| Committee | WBS |
| Conference Date | 2017-10-12 - 2017-10-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Rivage Spa Hikigawa (Nanki Shirahama) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Visual Light Communiation, Poster Session, etc. |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2017-10-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation of PWM/DPAM Hybrid Dimming Control Method for DCSK |
| Sub Title (in English) | |
| Keyword(1) | LED |
| Keyword(2) | visible light communication |
| Keyword(3) | color shift keying |
| Keyword(4) | digital color shift keying |
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| 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 | Ibaraki University (Ibaraki Univ.) |
| 3rd Author's Name | Yohtaro Umeda |
| 3rd Author's Affiliation | Tokyo University of Science (TUS) |
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| Speaker | Author-1 |
| Date Time | 2017-10-12 15:00:00 |
| Presentation Time | 120 minutes |
| Registration for | WBS |
| Paper # | WBS2017-27 |
| Volume (vol) | vol.117 |
| Number (no) | no.234 |
| Page | pp.21-26 |
| #Pages | 6 |
| Date of Issue | 2017-10-05 (WBS) |
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