A Moving Object Indoor Tracking Model Based on Semiactive RFID

Box 1

Flow chart of GPSO-PF.

(1) Sequential importance sampling

 For

 End for

(2) Re-sampling

 If

 End If

(3) State estimation

(4) Particle distribution optimization process

 ①Initialization

 ②Particle optimization

 For

 End for

 ③ Particle assignment