RFID Indoor Positioning Based on AP Clustering and Improved Particle Swarm Algorithm

Table 1

Description of key parameters.

Parameters	Name	Explanatory notes or take value
	Similarity matrix	Storage tags similarity
	Preference	Measuring the number of clusters
	Damping factor	Algorithm convergence ()
	Number of particles	20
	Particle velocity	[-]
	Particle position	[-]
and	Dynamic learning factor	[]
and	Random number	[0,1]
	Weighting factors	0.9
	Number of iterations	[]
	RSSI value of the tags to be measured	[]
	Adaptation function	Evaluation of good and bad particles