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Abstract
For the complex environment and multi influencing factor in coalface, Wireless Sensor Networks (WSN) is a effective solutions for the coal face of environmental monitoring and miner positioning. Based on the environmental features of the coalface, a WSN deployment paradigm is proposed in this paper, and the DV-HOP localization algorithm is determined to be the miner location solution. Due to the low accuracy of DV-HOP algorithm on condition of the uneven structure of the coalface WSN and the big distance gap between adjacent node, a RSSI-based weight DV-HOP algorithm is proposed. In this algorithm the hops of adjacent node is weighted by the RSS of flooding packets transmitted between adjacent nodes, which associated the hops with the distance of adjacent nodes. Simulation results show that under the same experimental the accuracy of our algorithm is better than the DV-HOP algorithm, and can meet the requirements of localization on the coalface environment.
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