Figure 4From: Maximum a posteriori (MAP)-based tag estimation method for dynamic framed-slotted ALOHA (DFSA) in RFID systemsDifference between the real number and the estimated number of tags when the frame size is set to 32 where σ2 = 0.1 μ . Figures3 and4 show the mean estimation error which is defined as the mean difference between the real number and the estimated number of tags.Back to article page