University of Pardubice
A wireless sensor Networks is a collection of simple devices with limited computation and resources. It is used to collect informations that are send back to the user. The sensed informations are real-time data streams for applications such as environmental monitoring, structural engineering, health care, VANET, and aircraft etc. The features of Wireless Sensor Networks (WSN) is that nodes are randomly deployed in the area where information collection is needed. Thus the security problem is an important issue as they are exposed to attacks and specifically to Denial of Service that can affect the sensor nodes battery lifetime.