Research on RFID Anticollision Algorithms in Industrial Internet of Things

Table 2

An recognition example by using QT algorithm.

Slot	Query prefix	Responding data from tags	Slot status
1	Empty string	xxxx	Collided
2	0	0xxx	Collided
3	00	0010	Successfully identify A
4	01	0101	Successfully identify B
5	1	11xx	Collided
6	10		Idle
7	11	11xx	Collided
8	110	1101	Successfully identify C
9	111	1110	Successfully identify D