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Design of ultra-low-cost UHF RFID tags for supply chain applications

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16 Author(s)
R. Glidden ; Impinj Inc., Seattle, WA, USA ; C. Bockorick ; S. Cooper ; C. Diorio
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The availability of inexpensive CMOS technologies that perform well at microwave frequencies has created new opportunities for automated material handling within supply chain management (SCM) that in hindsight, be viewed as revolutionary. This article outlines the system architecture and circuit design considerations that influence the development of radio frequency identification (RFID) tags through a case study involving a high-performance implementation that achieves a throughput of nearly 800 tags/s at a range greater than 10 m. The impact of a novel circuit design approach ideally suited to the power and die area challenges is also discussed. Insights gleaned from first-generation efforts are reviewed as an object lesson in how to make RFID technology for SCM, at a cost measured in pennies per tag, reach its full potential through a generation 2 standard.

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IEEE Communications Magazine  (Volume:42 ,  Issue: 8 )