Abstract. The Radio Frequency IDentification (RFID) based Active Vehicle Positioning (RAVP) is a feasible and high precision positioning method for moving vehicle on road when someplace uncovered by the signal of GPS or some other satellite based positioning systems. In this paper, RAVP is introduced and the precision of it is analyzed in different tag arrangement patterns through Monte Carlo simulation. The results show that the triangular tag arrangement has a reasonable position precision (0.6meter) which has high precise to locate vehicles on their belonging lanes, and hence this method can be used for lane departure warning and autonomous driving system.

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