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Wireless sensor networks are composed of energy-constrained nodes. Therefore, it is crucial to design routing algorithms that optimize the energy usage of nodes. Aimed at maximizing the network lifetime, we introduced an optimal routing algorithm based on the max-min model. In this algorithm, the data transmission matrix is defined and the relaying node selection mechanism is designed to avoid possible...
Wireless sensor networks (WSNs) are very important for monitoring underground mine safety. Aimed at the characteristics of structure of the tunnel in underground mine, the tunnel wireless sensor network (TWSN) is presented to monitor the tunnel's environment. Sensor placement scheme in TWSN has considerable impact on the network lifetime. In this paper, based on analysis of the energy consumption...
Wireless sensor networks(WSNs) are very important for monitoring underground mine safety. Aimed at the characteristics of structure of the tunnel in underground mine, the tunnel wireless sensor network (TWSN) is presented to monitor the tunnel. TWSN has the unbalanced communication load which leads to early invalidation of nodes close to the base station. The nonuniform clustering algorithm for TWSN...
Aimed at the problem of unbalanced energy consumption of cluster heads caused by inter-cluster communications in wireless sensor networks clustering routing protocols, a novel algorithm named cluster head load balanced clustering (CHLBC) is presented. Based on uneven distributed cluster heads, CHLBC builds backbone network's inter-cluster transit route which is composed of cluster heads and calculates...
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