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An efficient resource management mechanism is important in a heterogeneous system to discover available resources, to allocate an appropriate subset of resources to applications, and to map data or tasks onto selected resources. The key component, tasks scheduling, draws our attention. Make span is the principal concern many existing researches. But, other QoS requirements are also important in more...
We consider information retrieval in a wireless sensor network deployed to monitor a spatially correlated random field. We address sensor scheduling in each data collection under the performance measure of network lifetime. We formulate this problem as an energy constrained coverage problem and proposal a scheduling algorithm based on a greedy approach. In the proposed algorithm, we consider the impact...
We develop an efficient distributed sequential Bayesian estimation method to localize a diffusive source in wireless sensor networks. Potential applications include security, environmental monitoring, pollution control, and explosives detection. We first derive the physical model of the substance dispersion by solving the diffusion equations under different environmental scenarios. We then integrate...
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