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| Presentation | 2026-01-27 14:00 A disaster location identification system for victims using a drone WiFi relay system” using WiFi installed on a mobile phone -- A Wi-Fi based system that enables independent operation -- Teruya Fujii, Atsushi Yamane (Science Tokyo), Norikazu Eda, Susumu Yoneda (SB), Takeshi Ito, Yuya Okumura (Mtex)  IT2025-72 SIP2025-86 RCS2025-243 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the number of people stranded in natural disasters and other disasters has increased, and rapid rescue is required. In areas without mobile phone coverage, even if the location of a stranded person is identified using the GPS function on their mobile device, it is not possible to notify the distress searchers. Therefore, we developed a "disaster location identification system" that uses a drone equipped with a mobile radio relay system and flies over the distress area to temporarily create a designated area and acquire GPS information from mobile devices. However, the developed system had some problems, such as the inability to communicate with telecommunications carriers other than SoftBank, and the requirement that drones be tethered to the ground by cable due to Radio Law regulations, meaning that wide-area searches could not be conducted by flying. Noting that Wi-Fi communication does not depend on telecommunications carriers and that radio relay is possible even when flying in the air, we developed a "distress location identification system" that is equipped with a Wi-Fi radio relay system on a drone. Noting that Wi-Fi communication does not depend on telecommunications carriers and that wireless relay is possible even when flying in the air, we developed a "disaster location identification system" that uses a Wi-Fi wireless relay system mounted on a drone and targets Wi-Fi-enabled mobile phones. This paper provides an overview of the proposed system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | victim identification / GPS / Wi-Fi / drone Wi-Fi radio relay system / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 125, no. 334, RCS2025-243, pp. 202-207, Jan. 2026. | |
| Paper # | RCS2025-243 | |
| Date of Issue | 2026-01-19 (IT, SIP, RCS) | |
| 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 | IT2025-72 SIP2025-86 RCS2025-243 |
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| Conference Information | |
| Committee | IT RCS SIP |
| Conference Date | 2026-01-26 - 2026-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Forest Sendai |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing for Wireless Communications, Learning, Mathematics, Information Theory, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2026-01-IT-RCS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A disaster location identification system for victims using a drone WiFi relay system” using WiFi installed on a mobile phone |
| Sub Title (in English) | A Wi-Fi based system that enables independent operation |
| Keyword(1) | victim identification |
| Keyword(2) | GPS |
| Keyword(3) | Wi-Fi |
| Keyword(4) | drone Wi-Fi radio relay system |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Teruya Fujii |
| 1st Author's Affiliation | Institute of Science Tokyo (Science Tokyo) |
| 2nd Author's Name | Atsushi Yamane |
| 2nd Author's Affiliation | Institute of Science Tokyo (Science Tokyo) |
| 3rd Author's Name | Norikazu Eda |
| 3rd Author's Affiliation | Soft Bank Corp. (SB) |
| 4th Author's Name | Susumu Yoneda |
| 4th Author's Affiliation | Soft Bank Corp. (SB) |
| 5th Author's Name | Takeshi Ito |
| 5th Author's Affiliation | Mtex (Mtex) |
| 6th Author's Name | Yuya Okumura |
| 6th Author's Affiliation | Mtex (Mtex) |
| Speaker | Author-1 |
| Date Time | 2026-01-27 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2025-72, SIP2025-86, RCS2025-243 |
| Volume (vol) | vol.125 |
| Number (no) | no.332(IT), no.333(SIP), no.334(RCS) |
| Page | pp.202-207 |
| #Pages | 6 |
| Date of Issue | 2026-01-19 (IT, SIP, RCS) |
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