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| Presentation | 2022-09-16 14:30 A Fast Handover Mechanism for Ground-to-Train Free-Space Optical Communication using Station ID Recognition by Dual-Port Camera Kosuke Mori, Fumio Teraoka, Shinichiro Haruyama (Keio Univ.)  IA2022-29 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | There is a demand for high-speed and stable ground-to-train optical communication as a network environment for trains. The existing ground-to-train optical communication system developed by the authors uses a camera and a QPD (Quadrant photo diode) to capture beacon beacon beams. The problem with the existing system is that it is impossible to identify the base station. In the system proposed in this paper, a beacon light modulated with the ID of the base station is transmitted, and the base station is identified by demodulating the image from the dual-port camera on the opposite side. In this paper, we developed an actual system and conducted experiments using a car on the road. The results showed that only one packet was lost with the ping command every 1 ms near handover. Although the communication device itself has a bandwidth of 100 Mbps, the throughput before and after the handover was about 94 Mbps, and only dropped to about 89.4 Mbps during the handover. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Free-space optical communication / Ground-to-train communication / Fast handover / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 185, IA2022-29, pp. 77-84, Sept. 2022. | |
| Paper # | IA2022-29 | |
| Date of Issue | 2022-09-08 (IA) | |
| 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 | IA2022-29 |
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| Conference Information | |
| Committee | IA CQ MIKA |
| Conference Date | 2022-09-15 - 2022-09-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Citizens Actives Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Communications Quality, 6G, IoT, Cross layer Technologies, Internet Operation and Management, etc. |
| Paper Information | |
| Registration To | IA |
| Conference Code | 2022-09-IA-CQ-MIKA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Fast Handover Mechanism for Ground-to-Train Free-Space Optical Communication using Station ID Recognition by Dual-Port Camera |
| Sub Title (in English) | |
| Keyword(1) | Free-space optical communication |
| Keyword(2) | Ground-to-train communication |
| Keyword(3) | Fast handover |
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| Keyword(8) | |
| 1st Author's Name | Kosuke Mori |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Fumio Teraoka |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
| 3rd Author's Name | Shinichiro Haruyama |
| 3rd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-09-16 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | IA |
| Paper # | IA2022-29 |
| Volume (vol) | vol.122 |
| Number (no) | no.185 |
| Page | pp.77-84 |
| #Pages | 8 |
| Date of Issue | 2022-09-08 (IA) |
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