A portable IR-UWB based WSN for personnel tracking in emergency scenarios

In emergency situations such as fires in homes and offices, it is often the case where members of a response team (eg. firefighters) are not able to locate each other due to fire and smoke. It is desirable to have a system which is able to locate all personnel such that a team leader can monitor their location and to enable the firefighters themselves to know their proximity to other firefighters. This paper discusses the design and implementation of an impulse-radio ultra-wideband sensor network that can be easily deployed around the perimeter of a building and can be used to locate personnel indoors. It is found that the ranging accuracy of the sensor network meets the accuracy requirements but has limited range, especially through very thick walls.

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