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RFID Positioning Principles and Techniques for Accurate Tracking

Explore the principles and techniques behind RFID positioning systems for accurate tracking of objects and assets. Learn about trilateration, triangulation, and direction-based positioning methods. Discover how RFID technology can be used for precise location determination in various environments.

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RFID Positioning Principles and Techniques for Accurate Tracking

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  1. Chapter 15 - Principles and Techniques of RFID Positioning

  2. Figure 15.1 Block diagram of an RFID positioning system

  3. Figure 15.2 Ratio between the received power and the transmitted power

  4. z x y Reader antenna Figure 15.3 (a) Simulated RSS in Free space

  5. z Reader antenna x y Figure 15.3 (b) Simulated RSS in Metallic cabinet at the side

  6. z Reader antenna x y Figure 15.3 (c) Simulated RSS in Metallic cabinet at front

  7. p1(x1,y1) p2(x2,y2) d1 d2 p(x,y) d3 p3(x3,y3) Figure 15.4 Tag positioning using trilateration

  8. p(x,y) D β α p2(x2,y2) p1(x1,y1) Figure 15.5 Tag positioning using triangulation

  9. p(x,y) pM(xM,yM) p1(x1,y1) y p2(x2,y2) x Figure 15.6 Tag positioning using triangulation with more than two reader antennas

  10. p(x,y) d α p1(x1,y1) Figure 15.7 Tag positioning based on direction and range information

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