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Master of Science

By Manav Seth


thesisEmergency "911" service is a critical function provided in the Public Switched Telephone Network (PSTN), cellular and Voice over Internet Protocol (VoIP) networks. Wi-Fi, despite its growing importance, has no such service. In this thesis, we develop a 911-like service for Wi-Fi-capable devices, enabling them to send emergency messages through any available hotspot or access point. Our service makes use of existing 802.11 management frames and does not require the client device to associate or authenticate with the access point; this makes it available even on protected networks to which the client would not normally have access, even encrypted ones. This design ensures maximum potential reach and usability, and helps to increase public safety

Topics: 911; Emergency service; Networks; Wi-Fi; Emergency reporting systems
Publisher: University of Utah
Year: 2011
OAI identifier:

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