Fig. 3From: Adaptive Aloha anti-collision algorithms for RFID systems a, b The transmission efficiency E Aloha and MID \(\bar {d}_{\text {tr}}\) (in TC) of the static Aloha vs. the number of tags for different frame size, where x EPC=64, which leads to F i=0.1753 and F c=0.2577Back to article page