Dou Liu
ABSTRACT
Wireless sensor network (WSN) has become one of the most important technologies in the 21st century because of its low energy and low cost. In order to reduce the energy consumption of WSN nodes and improve the network lifetime, this paper proposes a hierarchical clustering routing protocol for WSN. Firstly, according to the cluster head decision factors, the algorithm constructs the cluster head decision matrix after parameter standardization. By assigning weight to each decision factor, the cluster head decision matrix based on weight is given. By calculating the distance between the candidate node and the ideal best point the ideal worst point, the first k nodes are selected as the cluster head nodes. In order to reduce the energy consumption of the cluster head nodes, this algorithm will also select a node in the cluster as the intra-cluster network node to realize the transmission of cluster head fusion data to be transmitted to the base station. The simulation results show that this method can reduce the energy consumption of sensor nodes to the maximum and prolong the network lifetime.
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