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The specific capabilities of Wireless Sensor Networks (WSNs), such as fast deployment and flexibility, together with the low cost solutions that can be achieved, bring new opportunities for an all-new range of applications, far from the typical scenarios of low requirements and high redundancy. Some of these new scenarios involve the assurance of predefined performance goals. To guarantee that these...
Wireless Sensor Networks (WSNs) are widely recognized as a solution to build monitoring systems, even in critical environments. WSNs, however, are subjected to faults due to several causes (i.e. rain, EMF radiations, vibrations, etc..) and tools and methodologies for the design of dependable WSN-based systems are needed. Formal methods partially meet such needs by assessing the degree of correctness...
Recently, Wireless Sensor and Actor Networks have been receiving a growing attention from the research community because of their suitability for critical applications. Maintaining inter-actor connectivity becomes extremely crucial in such situations where actors have to quickly plan optimal coordinated response to detected events. Failure of critical actor partitions the inter-actor network into...
The increasing availability of low-cost battery-operated wireless cameras has motivated the deployment of large-scale Wireless Multimedia Sensor Networks (WMSNs) which can be leveraged for gathering disparate views of events from multiple perspectives. Such multi-perspective coverage not only provides better visual knowledge about the events but also helps reduce occlusions in many critical applications...
We present the derivation of a novel metric for the performance prediction of Wireless Sensor Networks (WSNs). In particular, the metric can be applied in, for example, monitoring and surveillance applications where WSNs are used. Those networks execute protocols or techniques that are often sensitive to spatial correlation. The proposed metric is based on the correlation in the sensed phenomenon...
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