Research on RFID Anticollision Algorithms in Industrial Internet of Things

Table 1

Summary of various types of anticollision algorithms.

Types	Representatives	Features	Development trends
Aloha-based	MAP [19]	High estimation accuracy and high complexity	Reduce the complexity
	ECD [10]	Pulse detection	Improve the feasibility
	FEIA [22]	Slot-by-slot adjustment	Enhance initial performance
Tree-based	CT [29]	Remove the empty queries	Further improve the efficiency
	DPPS [30]	Identify multiple tags in the same time slot	Optimize query mechanism
	CwT [12]	Window mechanism to reduce the transmitted bits	Reduce the slot number
Hybrid-based	BSTSA [17]	First proposed hybrid architecture	Performance improvement
	GBSA [18]	Performance limit of UHF RFID	Optimize the architecture