Computer Science ›› 2013, Vol. 40 ›› Issue (6): 76-79.

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Novel RFID Anti-collision Algorithm Based on Tags Movement

SHI Feng-cha,CUI Chen and YU Jian   

  • Online:2018-11-16 Published:2018-11-16

Abstract: A novel frame slotted ALOHA anti-collision algorithm based on code division multiple access(CD-FSA) was presented and the expression of tag identification cratio was deduced.And then,the paper built a mathmatical model for the relative motion of tags and a reader in the practical application and gave the formula of identification cratio of the grouped tags lefting the region when the system reaches equilibrium state.Finally,computer simulation and analysis were made.The results show that whether tags are the state of stationary or movement,tag ientification cratio of the CD-FSA algorithm is higher than that of the frame slotted ALOHA algorithm.

Key words: RFID,CDMA,Frame slotted ALOHA,Tag movement,Identification cratio

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