Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System

Daisuke Iwaizumi, Naohiko Kohtake

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

There can be many failures in the ground communication infrastructure following an earthquake such as the Great East Japan Earthquake. In such an event, disaster management agencies may not be able to alert residents to a Tsunami Warning or provide evacuation information. Consequently we have developed the RedRescue system, which broadcasts disaster notifications and evacuation information using the Ll-SAIF signal - an augmentation signal of the Quasi-Zenith Satellite System (QZSS). A feature of RedRescue is that, in the case of a breakdown in ground communication, disaster and evacuation information can be received using a GNSS receiver (e.g., a smartphone) without using a special device such as a satellite phone. This paper reports on the results of simulating the effectiveness of the system in transmitting disaster and evacuation information in terms of reachability and promptness. Specifically, we compared the performances of RedRescue and existing systems such as the Emergency Broadcast systems. For reachability of information, the RedRescue has a greater reach than the Emergency Broadcasts for the same reception ratio dealing with the arrival time of a tsunami. We defined the promptness of information as time taken to reach a determined percentage of the evacuees who received the information For promptness of information, RedRescue reaches the determined percentage faster than the Emergency Broadcasts. Hence, when notifying users of a disaster, we found that RedRescue was more effective than existing systems in terms of reachability and promptness because it was able to transmit information to many users faster than existing systems without being affected by the position of the user.

Original languageEnglish
Title of host publicationProceedings of the International Astronautical Congress, IAC
PublisherInternational Astronautical Federation, IAF
Pages3058-3064
Number of pages7
Volume4
ISBN (Print)9781629939094
Publication statusPublished - 2013
Externally publishedYes
Event64th International Astronautical Congress 2013, IAC 2013 - Beijing, China
Duration: 2013 Sep 232013 Sep 27

Other

Other64th International Astronautical Congress 2013, IAC 2013
CountryChina
CityBeijing
Period13/9/2313/9/27

Fingerprint

disasters
zenith
Disasters
disaster
Satellites
augmentation
evaluation
Tsunamis
emergencies
Earthquakes
Smartphones
Communication
tsunami
Mobile phones
earthquakes
communication
earthquake
disaster management
GNSS
warning

ASJC Scopus subject areas

  • Space and Planetary Science
  • Aerospace Engineering
  • Astronomy and Astrophysics

Cite this

Iwaizumi, D., & Kohtake, N. (2013). Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System. In Proceedings of the International Astronautical Congress, IAC (Vol. 4, pp. 3058-3064). International Astronautical Federation, IAF.

Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System. / Iwaizumi, Daisuke; Kohtake, Naohiko.

Proceedings of the International Astronautical Congress, IAC. Vol. 4 International Astronautical Federation, IAF, 2013. p. 3058-3064.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Iwaizumi, D & Kohtake, N 2013, Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System. in Proceedings of the International Astronautical Congress, IAC. vol. 4, International Astronautical Federation, IAF, pp. 3058-3064, 64th International Astronautical Congress 2013, IAC 2013, Beijing, China, 13/9/23.
Iwaizumi D, Kohtake N. Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System. In Proceedings of the International Astronautical Congress, IAC. Vol. 4. International Astronautical Federation, IAF. 2013. p. 3058-3064
Iwaizumi, Daisuke ; Kohtake, Naohiko. / Evaluation of reachability and promptness in delivering disaster and evacuation information using an augmentation signal of the Quasi-Zenith Satellite System. Proceedings of the International Astronautical Congress, IAC. Vol. 4 International Astronautical Federation, IAF, 2013. pp. 3058-3064
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