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Paper Abstract and Keywords
Presentation 2026-01-23 13:20
Evaluation of a DTN Data Transfer Method using UAVs between Isolated Areas
Hiroto Kondo, Osamu Mizuno (Kogakuin Univ.) CAS2025-75 ICTSSL2025-53
Abstract (in Japanese) (See Japanese page) 
(in English) Smartphones are widely used today. However, during large scale disasters such as earthquakes and extreme weather events, existing communication infrastructure can be severely damaged. Therefore, it becomes difficult to collect disaster information and communicate among affected people. In such situations, DTN has attracted attention as a communication method that enables direct communication between devices without relying on infrastructure. We have proposed a MATOC as a routing method for DTN. This method assigns importance levels to data and controls data transmission based on their importance. However, when disasters cause isolated areas, information sharing is possible inside each isolated area. Information exchange between different isolated areas becomes difficult. We apply MATOC with a message ferry method using UAVs as mobile base stations. This approach enables information exchange between isolated areas. After improving the issues identified in our previous work, we evaluate the effectiveness of the proposed method through simulations. Simulation results show that MATOC improves the propagation rate of high priority data compared with conventional routing methods. In addition, we show the effects of the number of UAVs, movement speed, and hovering on the propagation rate and propagation speed of high priority data.
Keyword (in Japanese) (See Japanese page) 
(in English) DTN / Disaster Mitigation / Isolated Areas / UAV / Message Ferry / Data Priority / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 322, ICTSSL2025-53, pp. 108-113, Jan. 2026.
Paper # ICTSSL2025-53 
Date of Issue 2026-01-15 (CAS, ICTSSL) 
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 CAS2025-75 ICTSSL2025-53

Conference Information
Committee ICTSSL CAS  
Conference Date 2026-01-22 - 2026-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICTSSL 
Conference Code 2026-01-ICTSSL-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of a DTN Data Transfer Method using UAVs between Isolated Areas 
Sub Title (in English)  
Keyword(1) DTN  
Keyword(2) Disaster Mitigation  
Keyword(3) Isolated Areas  
Keyword(4) UAV  
Keyword(5) Message Ferry  
Keyword(6) Data Priority  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroto Kondo  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Osamu Mizuno  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
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Speaker Author-1 
Date Time 2026-01-23 13:20:00 
Presentation Time 25 minutes 
Registration for ICTSSL 
Paper # CAS2025-75, ICTSSL2025-53 
Volume (vol) vol.125 
Number (no) no.321(CAS), no.322(ICTSSL) 
Page pp.108-113 
#Pages 6 
Date of Issue 2026-01-15 (CAS, ICTSSL) 

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