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| Presentation | 2013-03-08 10:50 Effects of detour-route switching decisions around congested areas in an evacuation guidance using opportunistic communication Akihiro Fujihara, Hiroyoshi Miwa (Kwansei Gakuin Univ.)  IN2012-213 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Some studies on effective disaster evacuation guidance in large-scale disaster situations in urban areas have been undertaken. Last year, our group proposed the real-time disaster evacuation guidance using opportunistic communication, where evacuees gather location information of impassable roads in their smartphones and share the information each other by opportunistic communication between nearby evacuees. We showed that this method gives effective evacuation guidance in the challenged network environment where the mobile communication is disabled by disaster. Since many evacuees simultaneously move to refuge areas, however, congestion by evacuees emerges and it causes the delay of evacuation time. In this paper, we investigated effects of detour-route switching decisions around congested areas on the reduction of evacuation time in our evacuation guidance using a mathematical model. We introduced three route switching strategies and compare their performances by numerical simulation. As a result, we found that faster route switching decision based on shared congestion information before reaching congested areas is better to reduce the evacuation time. We also found that some strategies even delay the evacuation time because evacuees go back and forth between some congested areas in vain. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Delay-tolerant network / Opportunistic communication / Disaster evacuation guidance / Congestion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 464, IN2012-213, pp. 353-358, March 2013. | |
| Paper # | IN2012-213 | |
| Date of Issue | 2013-02-28 (IN) | |
| 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 | IN2012-213 |
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| Conference Information | |
| Committee | NS IN |
| Conference Date | 2013-03-07 - 2013-03-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Zanpamisaki Royal Hotel |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2013-03-NS-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effects of detour-route switching decisions around congested areas in an evacuation guidance using opportunistic communication |
| Sub Title (in English) | |
| Keyword(1) | Delay-tolerant network |
| Keyword(2) | Opportunistic communication |
| Keyword(3) | Disaster evacuation guidance |
| Keyword(4) | Congestion |
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| 1st Author's Name | Akihiro Fujihara |
| 1st Author's Affiliation | Kwansei Gakuin University (Kwansei Gakuin Univ.) |
| 2nd Author's Name | Hiroyoshi Miwa |
| 2nd Author's Affiliation | Kwansei Gakuin University (Kwansei Gakuin Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-03-08 10:50:00 |
| Presentation Time | 20 minutes |
| Registration for | IN |
| Paper # | IN2012-213 |
| Volume (vol) | vol.112 |
| Number (no) | no.464 |
| Page | pp.353-358 |
| #Pages | 6 |
| Date of Issue | 2013-02-28 (IN) |
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