Resilience of thick-line WSN based surveillance systems under irregular crossings

Surveillance application has become one of promising application areas of wireless sensor networks (WSNs) which aims to monitor any anomaly at real time. Network lifetime is a critical concern in the design of such a network. However, due to non uniform crossings and irregular area geography, sensors deployed along the monitored area may run out of energy. A failure of these sensors may cause a hole in the network coverage. It is essential then to provide a deployment scheme taking into account the irregular models of intruders in order to maximize the network lifetime. The focus of this work is, first, to provide a deployment strategy of thick-line WSN in order to ensure an optimal structure of the network under the irregular intrusions as it represents a more realistic sensor placement strategy than the random deployment where we propose a novel model to formally define the lifetime of WSN based on energy consumed caused by the irregular crossings. Then, propose a resilience method for WSN based surveillance systems under irregular intrusions in order to preserve a network lifetime as long as possible.