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| Presentation | 2021-03-04 13:20 [Poster Presentation] Experimental Evaluation for Alamouti-type Spatio-temporal Coding in Image Sensor Communication Using a Rotary LED Transmitter Zhengqiang Tang, Shintaro Arai (Okayama Univ. of Sci.), Takaya Yamazato (Nagoya Univ.)  IT2020-125 ISEC2020-55 WBS2020-44 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This study provides the experimental evaluations for afterimage-based Alamouti-type Spatio-temporal coding (STC) in image sensor communication (ISC) using a rotary LED transmitter that is a device developed in our previous study. The transmitter rotates LEDs around a vertical axis and switches the blinking status per one degree of rotation. In this case, the camera can capture multiple blinking statuses as afterimages in a single frame. The amount of received data per captured image is increased by using afterimages, thus improving the data transmission rate even if a commercial camera with a low frame rate is used as the receiver. Furthermore, we also proposed an Alamouti-type spatio-temporal coding (STC) based on the afterimage of the LED light for further improving the demodulation performance. In the previous study, we evaluated this proposed coding method by computer simulations. This study evaluates the demodulation performance of the Alamouti-type STC by experiments using the rotary LED transmitter. The experimental results show that the proposed method extends the error-free transmission distance and improves the demodulation performance of long-distance communication compared to the conventional one of on-off keying (OOK). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | visible light communication (VLC) / image sensor communication (ISC) / rotary LED transmitter / Alamouti-type spatio-temporal coding / experimental evaluation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 412, WBS2020-44, pp. 86-91, March 2021. | |
| Paper # | WBS2020-44 | |
| Date of Issue | 2021-02-25 (IT, ISEC, WBS) | |
| ISSN | 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 | IT2020-125 ISEC2020-55 WBS2020-44 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2021-03-04 - 2021-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Joint Meeting of WBS, IT, and ISEC |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2021-03-WBS-IT-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation for Alamouti-type Spatio-temporal Coding in Image Sensor Communication Using a Rotary LED Transmitter |
| Sub Title (in English) | |
| Keyword(1) | visible light communication (VLC) |
| Keyword(2) | image sensor communication (ISC) |
| Keyword(3) | rotary LED transmitter |
| Keyword(4) | Alamouti-type spatio-temporal coding |
| Keyword(5) | experimental evaluation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Zhengqiang Tang |
| 1st Author's Affiliation | Okayama University of Science (Okayama Univ. of Sci.) |
| 2nd Author's Name | Shintaro Arai |
| 2nd Author's Affiliation | Okayama University of Science (Okayama Univ. of Sci.) |
| 3rd Author's Name | Takaya Yamazato |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-03-04 13:20:00 |
| Presentation Time | 80 minutes |
| Registration for | WBS |
| Paper # | IT2020-125, ISEC2020-55, WBS2020-44 |
| Volume (vol) | vol.120 |
| Number (no) | no.410(IT), no.411(ISEC), no.412(WBS) |
| Page | pp.86-91 |
| #Pages | 6 |
| Date of Issue | 2021-02-25 (IT, ISEC, WBS) |
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