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In wireless sensor network, all nodes are energy constrained and designing an energy efficient routing protocol is very important. Clustering routing protocol is a kind of energy efficient routing, while using a virtual backbone to organize the nodes and perform an efficient routing is also a feasible way.
Wireless sensor network is composed of hundreds of sensor nodes involving in limited energy, efficient and low-energy consuming routing algorithm is the crucial problem to the routing design. In this paper, the LEACH protocol, which is a typical clustering routing protocol, has been researched and improved based on energy, the new algorithm is different from the LEACH in the method of determining...
In order to prolong the WSN's lifetime, a refined protocol named LEACH-H (hybrid cluster head selection LEACH) is proposed in this paper. In the first round of Leach-H, the base-station selects a cluster head set through adopting simulated annealing algorithm; in the followed rounds, the cluster heads will select new cluster heads in their own cluster. This will not only solve the problem that the...
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