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Landslide frequently occurred in Heifang platform of Gansu province which have brought great loss to local villagers. Filed monitoring and warning system based on wireless sensor network with Zigbee technology for landslide is a good choice for landslide monitoring. The prediction of energy loss through propagation models is important for deployment of sensor nodes in Heifang platform environment. The objective of this paper is to find the best propagation model in Heifang platform to predict signal attenuation, in which we analyze the signal strength of different receiver height by measuring RSSI value, optimize parameters of Log-norm shadowing model by simulated annealing algorithm, and make comparison with different models to show the best model in this place.

Power Loss Analysis of Zigbee Propagation Models on the Landslide of Heifang platform