Abstract
With Wireless Sensor Network(WSN) technology,building automation system monitors the occupant distribution,so as to realize the light control,Heating,Ventilation and Air Conditioning,fireproofing and intelligent security.Multi-path effects of WSN influence the RSSI(Received Signal Strength Indication) accuracy seriously in some applications.To resolve this problem,ECDF(Empirical Cumulative Distribution Function) method was introduced in this paper.Through the conditional probability and radio map method,ECDF processed the data and prsented the distribution results.By training ECDF with indoor sensor data,the results indicate this method determines the occupant distribution effectively and robustly.
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