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| Presentation | 2017-01-20 10:30 Design and Implementation of High-Speed Reliable LED-to-Camera Communication for Smartphones Aoi Koizuka, Yuki Hokazono, Makoto Suzuki, Hiroyuki Morikawa (UTokyo)  MoNA2016-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the IoT era, LED-to-camera communication for smartphones is promising as low-cost, small-size, and intuitive data access to things. However; there are intermittent time gaps between camera frames, which makes it unsuitable for large data transfer and thus narrows its usage to simple applications such as exchanging a few tens of bits of ID. Towards this, we propose a packet retransmission strategy which leverages the periodicity of burst packet losses and achieve more than 10x throughput of previous works without data losses. In order to achieve high through put based on this strategy, we also propose modulation and packetization methods which facilitate the clock extraction and shorten start codes and an error detection method which leverages the frame brightness and rising up of PWM. The experimental results show that our communication method can be implemented in wide range of smartphone models. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LED-to-camera Communication / Rolling Shutter / IoT / Visible Light Communication / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 406, MoNA2016-36, pp. 29-34, Jan. 2017. | |
| Paper # | MoNA2016-36 | |
| Date of Issue | 2017-01-12 (MoNA) | |
| 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 | MoNA2016-36 |
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| Conference Information | |
| Committee | ASN MoNA MICT |
| Conference Date | 2017-01-19 - 2017-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MoNA |
| Conference Code | 2017-01-ASN-MoNA-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design and Implementation of High-Speed Reliable LED-to-Camera Communication for Smartphones |
| Sub Title (in English) | |
| Keyword(1) | LED-to-camera Communication |
| Keyword(2) | Rolling Shutter |
| Keyword(3) | IoT |
| Keyword(4) | Visible Light Communication |
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| Keyword(8) | |
| 1st Author's Name | Aoi Koizuka |
| 1st Author's Affiliation | Research Center for Advanced Science and Technology, The University of Tokyo (UTokyo) |
| 2nd Author's Name | Yuki Hokazono |
| 2nd Author's Affiliation | Research Center for Advanced Science and Technology, The University of Tokyo (UTokyo) |
| 3rd Author's Name | Makoto Suzuki |
| 3rd Author's Affiliation | Research Center for Advanced Science and Technology, The University of Tokyo (UTokyo) |
| 4th Author's Name | Hiroyuki Morikawa |
| 4th Author's Affiliation | Research Center for Advanced Science and Technology, The University of Tokyo (UTokyo) |
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| Speaker | Author-1 |
| Date Time | 2017-01-20 10:30:00 |
| Presentation Time | 25 minutes |
| Registration for | MoNA |
| Paper # | MoNA2016-36 |
| Volume (vol) | vol.116 |
| Number (no) | no.406 |
| Page | pp.29-34 |
| #Pages | 6 |
| Date of Issue | 2017-01-12 (MoNA) |
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