Abstract
The small world network model of the topology structure of the wireless sensor network and analyzes its complex characteristics from the perspective of network science theory is proposed in this paper. Topology structure is the first step for designing and constructing wireless sensor network. The life-time of the whole network can be prolong by a desirable topology. The measurement of wireless sensor network is analyzed in the research. The results show that, in the mesh network, the node degree is uniformly distributed, it has a relatively small average path length and higher cluster coefficient. A comparison with other types of networks, wireless sensor networks is not a regular network, the network is not completely random. It is the random network between the small-world networks, has a certain property of a similar small-world networks. In order to reduce the hops for the network, this paper construct a small-world wireless sensor network by adding some shortcuts to the network, which is subject to the distance constraints between individual nodes. Simulation results shoe that these shortcues will remarkably reduce the average path length. This will improve the energy efficiency of the network.
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