Figure 2.1 Key Operational Parameters and Design Trade-off

Figure 2.2 Worldwide regulatory allowances for UHF RFID operation

Figure 2.3 Radiated power relative to EIRP and ERP

Figure 2.4 Effect of sensitivity on range

Figure 2.5 Comparison of FCC and EU spectral masks

Figure 2.6 EN backscatter spectral mask

Figure 2.7 Signal quality for non- coherent ASK demodulation

Figure 2.8 EU channelization under EN

Figure 2.9 Interrogator Interference

Figure 2.10 Signal from tag interference

Figure 2.12 Triangulation

Figure 2.13 Trilateration

Figure 2.14 Multi-path interference

Figure 2.15 Impact from Materials

Figure 2.16 Packaged Active tag

Figure 2.17 Tag technology categories

Figure 2.18 Performance and feature trade-off between technology categories

Figure 2.19 Application vs Technology

Table 2.1 Common RTLS Techniques for Indoor Positioning Number of Antennas Location Method Positional Information 1 Proximity (Near-Field) Proximity (Far-Field) In or out of a magnetic field zone Radial proximity to antenna 2TriangulationA 2D position between antennas