Abstract
Wireless sensor nodes are battery-powered devices with limited processing and transmission power, energy-efficient configuration has become a major design goal to improve the lifetime of the network. A cluster-based network topology can increase the scalability and lifetime, the classical clustering solutions elect the cluster head according the nodes’ residential energy in homogeneous networks, and however, the network is mostly inhomogeneous in practical application. In this paper, a cluster head election mechanism is proposed in a network which deploys the nodes with non-uniform energy and data gathering rates. This protocol is able to distribute energy consumption more reasonable among the sensors in the network, and make each node lifetime more similar.
Published Version
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