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The energy of the sensor network nodes is limited, and in order to save the energy consumption of the sensor nodes, a compressed sensing method based on the spatial-temporal correlation of nodes is proposed. The LEACH algorithm is used to cluster the network nodes and select the cluster head. Then, the cluster head node is sampled by the compressed sensing theory. The sampled data is passed to the...
A wide range of applications have started to use Wireless Sensor Networks (WSNs) as an information collection and monitoring tool. However, frequently appeared data faults make it difficult to extract and interpret information from the collected data. Therefore, it is driving the need for fault detection. In this paper, we present a multi-scale principal component analysis (MSPCA) based data fault...
Topology control is an important research direction in wireless sensor networks, by selecting a good topology control mechanisms is good for improving the efficiency of network communication and prolonging the life cycle of network. Based on the analysis algorithms of TopDisc algorithm, this thesis introduces an improved algorithm - proposes a topology control algorithm based on energy and power control...
Under the premise of ensuring the network connectivity and coverage, by selecting a good topology control mechanisms is good for improving the efficiency of network communication and prolonging the life cycle of network. Based on the analysis algorithms of TopDisc algorithm, this thesis introduces an improved algorithm of TopDisc-injecting the surplus of energy into the algorithm. And through analysis...
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