A Fast RFID Tag Anticollision Algorithm for Dynamic Arrival Scenarios Based on First-Come-First-Serve

Algorithm 2

Tag procedure pseudo code of DAS-DFSA.

(1)	IsIdentified = false;
(2)	SIDt = 0;
(3)	TagSate = NewArrival;
(4)	while (!IsIdentified)
(5)	{
(6)	receive reader instruction;/ Includes Start, IndicateWait, IndicateArrival, Ack et al. /
(7)	if (Instruction is Start) begin
(8)	SIDt = Generate random slot number;/ SIDt between 0 and SIDw. /
(9)	Set TagSate to Arrival;
(10)	end
(11)	else if (Instruction is IndicateWait) begin
(12)	if (SIDt = = SIDc and TagSate is Wait)
(13)	response RN16;
(14)	else if (Instruction is IndicateArrival) begin
(15)	if (SIDt = = SIDc and (TagSate is Wait or Arrival))
(16)	response RN16;
(17)	else if (TagSate is NewArrival) begin
(18)	SIDt = Generate random slot number;/ SIDt between SIDl + 1 and L. /
(19)	Set TagSate to Arrival;
(20)	if(SIDt = = SIDc)
(21)	response RN16;
(22)	end
(23)	end
(24)	else if (Instruction is Ack)
(25)	if (RN16 is itself) begin
(26)	Set IsIdentified to ture;
(27)	Set TagSate to Identified;
(28)	end
(29)	end
(30)	}