With the scale expands, traditional deployment algorithms are becoming increasingly complicated than before, which are no longer\nfit for sensor networks. In order to reduce the complexity, we propose a node deployment algorithm based on viscous fluid model.\nIn wireless sensor networks, sensor nodes are abstracted as fluid particles. Similar to the diffusion and self-propagation behavior\nof fluid particles, sensor nodes realize deployment in unknown region following the motion rules of fluid. Simulation results show\nthat our algorithm archives good coverage rate and homogeneity in large-scale sensor networks.
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