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With the requirement of real-time and reliability on monitoring power transmission lines, this paper proposes a cooperative communication protocol with network coding in long-chain wireless sensor networks (WSN). The protocol makes full use of channel broadcast characteristics and cooperative communication. It applies the classical butterfly structure of network coding among the successive three hops...
For single-owner multi-user wireless sensor networks, there is the demand to implement the user privacy-preserving access control protocol in WSNs. Firstly, we propose a new access control protocol based on an efficient attribute-based signature. In the protocol, users need to pay for query, and the protocol achieves fine-grained access control and privacy protection. Then, the protocol is analyzed...
In this paper, we propose a novel multi-tier clustering strategy using cultural-based multiobjective particle swarm optimization (Cultural-MOPSO) for maximizing the longevity of wireless sensor networks. We take into account the distribution of surviving nodes and define three objective functions based on multi-tier cluster hierarchy to fully evaluate every clusterhead election. Simulation results...
Energy-efficient is a key problem of Under-water acoustic sensor network (UASN). Base on analysis of energy consumption for LEACH in underwater channel, we propose a novel scheme for cluster-head selection to ensure nodes energy load balance by considering residual energy of candidate nodes and the distance to SINK, which can lower the probability of selecting nodes with low energy and poor location...
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