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Coverage and connectivity are two important performance evaluation indices for wireless sensor network (WSNs). In this paper, we focus on the connected target k-coverage (CTCk) problem in heterogeneous wireless sensor networks (HWSNs). A distributed connected target k-coverage algorithm (DCTCk) is proposed in order to generate connected cover sets for energy efficient connectivity and coverage maintenance...
Coverage and connectivity are the key research questions in wireless sensor networks, the relationship of which is very closely. One of the traditional methods for solving Coverage and connectivity is integer programming algorithm, whose research background is homogeneous wireless sensor networks and single coverage. The method can not satisfy the requirements in actual high-precision target detection...
Aiming at the monitored nonstationary signal in sensor networks, distributed compressed sensing-based data aggregation model and algorithm, DCS-DF-1, is presented to reduce the number of transmissions in sensor networks and improve the precision of sensing. To implement this algorithm, the variance of each recover sensing sequence of sensor is estimated using the wavelet transform, and the optimum...
In Wireless Sensor Networks (WSN), sensors form the network dynamically without help of any infrastructure. The accidental death of the nodes due to technical failures or death due to power exhaustion may disturb the existing coverage and connectivity of the network. In this paper, distributed coverage hole recovery algorithms for the wireless sensor networks are designed that use the vector methods...
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