Deployment of Ad-Hoc Sensor Networks in Underground Mines

A. Chehri, P. Fortier, and P.-M. Tardif (Canada)


Wireless sensor networks, channel propagation, radioloca tion.


Wireless sensor networks have been the subject of various researches in the last few years. Considering the impor tance of this technology, future deployment of wireless sen sor networks in a mine or an underground area is an orig inal application. For example, an operator could remotely supervise different physical phenomena in the mine from his computer and thus provide safe air/oxygen for the min ers underground by monitoring the level of methane and other noxious gases. He could also monitor the tempera ture, detect any anomaly, or locate workers and objects in the galleries of the mine in real time. These applications can be seen as a first step towards the concept of the ”in telligent mine”. However, several difficulties must be over come before we can use the immense potential of mobile ad-hoc networks. For example, the topology of the net work changes constantly. One has to find ways for each sensor to know where it is in the network. Another prob lem is the processing of the data in a collaborative way, the chaotic propagation of the RF signal in underground mine, etc. Our work deals with the potential applications and the challenges of using wireless sensor networks in un derground mines.

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