Abstract
In view of the wireless sensor network routing LEACH protocol ignored the election of cluster head nodes energy, node density and relative information of base station location, proposes a improved clustering routing algorithm based on energy, density and location information of Sink. Introduces the residual energy and density factors in the threshold formula, makes the cluster heads for the entire network distribution more reasonable, more balanced energy. After the cluster is established, introducing the concept of cooperative communication. In data transmission phase, data is transmitted by the assistant cluster head elected. By using OMNeT++ simulation platform, compared with classical LEACH protocol and the improved LEACH protocol, the simulation results show that the improved algorithm can effectively reduce energy consumption, increase the lifetime of the whole networks.
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