On the Feasibility of Early Detection of Environmental Events through Wireless Sensor Networks and the Use of 802.15.4 and GPRS
In this paper, a general model of an Early Detection of Environmental Events System is presented. It follows established technologies and it is based on wireless sensor network nodes connected to a central computer using IEEE 802.15.4 and the General Radio Packet Service. In order to test its feasibility, the model is applied to the early detection of forest fires. The contribution of this paper is to show that although the system is theoretically apt to work well in small grid squares, its deployment over the totality of large areas is unfeasible due to the sheer number of sensors necessary, and their present costs and deployment difficulties. Instead, a second best alternative, giving not an early warning of an impending fire but an early notice that the fire is in its beginning phase, is shown to be feasible, from both technical and economic points of view.
KeywordsEarly warning wireless sensor network environmental events
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