Fig. 7From: Adaptive Aloha anti-collision algorithms for RFID systemsA comparison between AFSA2 and EPC Q-selection algorithm, where R c0=0.5, x EPC=64, and Δ changes according to the values of Q. a Transmission efficiency E Aloha. b Mean identification delay \(\bar {d}_{\text {tr}}\) (in TC). Notice that in this figure, the value of \(\bar {d}_{\text {tr}}/100\), instead of \(\bar {d}_{\text {tr}}\) itself, is plotted for EPC Variant IIBack to article page