Localization of passive UHF RFID tags on the assembly line

As the internet of things (IOT) develops, radio frequency identification (RFID), a key technology of IOT, is gaining more and more attention. In some manufacturing applications, such as the assembly line, the localization of the specific product is very important for the customized production. To improve the performance of the assembly line localization system, the method of using the phase of one RFID reader antenna is proposed. Note that the phase reflected by the tags is distance sensitive, which is able to locate the tags accurately. Through modeling analysis and experimental results on a motorized stage, it shows that the localization accuracy of using the phase reflected by the passive UHF RFID tags on the linear assembly line can meet the demand of the practical application.

[1]  K. V. S. Rao,et al.  Phase based spatial identification of UHF RFID tags , 2010, 2010 IEEE International Conference on RFID (IEEE RFID 2010).

[2]  Zhongxiang Shen,et al.  An improved MUSIC TOA estimator for RFID positioning , 2002, RADAR 2002.

[3]  Lei Yang,et al.  Tagoram: real-time tracking of mobile RFID tags to high precision using COTS devices , 2014, MobiCom.

[4]  Gaetano Borriello,et al.  SpotON: An Indoor 3D Location Sensing Technology Based on RF Signal Strength , 2000 .

[5]  Hans-Georg Kemper,et al.  Application-Pull and Technology-Push as Driving Forces for the Fourth Industrial Revolution , 2014 .

[6]  R. Matos Abreu,et al.  A Cost-Effective Local Positioning System Architecture Based on TDoA , 2004, ICT.

[7]  Yunhao Liu,et al.  LANDMARC: Indoor Location Sensing Using Active RFID , 2004, Proceedings of the First IEEE International Conference on Pervasive Computing and Communications, 2003. (PerCom 2003)..

[8]  Lingfei Mo,et al.  Two-dimension localization of passive RFID tags using AOA estimation , 2011, 2011 IEEE International Instrumentation and Measurement Technology Conference.