Performance evaluation with DEVS formalism and implementation of active emergency call system for realtime location and monitoring |
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Authors: | Young-Sik Jeong Won-Hee Han Eun-Ha Song Sang-Soo Yeo |
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Affiliation: | 1. Department of Computer Software Engineering, Soonchunhyang University, Asan, Republic of Korea;2. Center for Radio Administration and Technology Development, Xihua University, Chengdu, China;3. Department of Computer Science, St. Francis Xavier University, Antigonish, NS, Canada;4. Department of Multimedia Engineering, Dongguk University, Seoul, Republic of Korea;5. Department of Computer Science and Engineering, Seoul National University of Science and Technology, Seoul, Republic of Korea |
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Abstract: | In this paper, we designed and implemented the active emergency call system for emergency call service actively. Active emergency call system has two physical components; E-Device (Emergency Mobile Device) and E-Server (Emergency Server). The role of E-Device is the mobile device in order to call emergency by using mild handicapped, the elderly and children who are able to communicate their intention to another. E-Server is the server for management E-Devices with realtime monitoring. E-Device will be developed to the portable size for easily mild handicapped, the elderly and children. When they need the service of emergency call, the button of E-Device can be used and the call signal is transmitted to the emergency office and the guardian through Internet and CDMA. E-Server should be developed the integrated control system for management of E-Devices basically. And it also supported to realtime monitoring of E-Devices with respect to high quality of emergency call service for rise the efficiency. And finally we describe the results of performance evaluation about the location error of E-Device between coordinate of GPS received signal and actual E-Device coordinate, when it has been called emergency, by using DEVS (Discrete Event System Specification) formalism. |
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