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Ninth International Network Conference (INC 2012)
Title: A Feasibility Study into Tracking Wi-Fi Enabled Mobile Devices
Author(s): Matthew Dagnell, Nathan Luke Clarke
Keywords: Mobile, WiFi, Tracking, Localisation, Yagi Antenna, 802.11g, Directional, WLAN
Abstract: Modern mobile and portable devices such as laptops and smart phones are expensive technologies that are often the target of theft. In the event that they are lost or stolen, it is desirable to recover them and their contents if possible. Whilst existing tracker technologies can often provide a rough geo-location, they lack in providing resolution in the last few hundred meters. This research focuses on the development of a mobile system for locating WiFi enabled portable devices via the WiFi signal emanating from them. A mobile localisation system utilising a combination of a directional Yagi antenna and the received signal strength was developed and shown to be effective at locating WiFi sources at ranges from 45m to 500m away depending on the environment.
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