Table 4 Temperature-dependent resonance characteristics and frequency allocation of the 12-resonator chipless RFID temperature sensor.
From: Edge machine learning over IoT for chipless RFID environmental sensing in smart agriculture
fres under 0°C (GHz) | fres under 30°C (GHz) | fres under 60°C (GHz) | fres under 90°C (GHz) | |
|---|---|---|---|---|
Resonator 1 | 4.10 | 4.145 | 4.192 | 4.262 |
Resonator 2 | 4.30 | 4.346 | 4.391 | 4.458 |
Resonator 3 | 4.50 | 4.543 | 4.592 | 4.659 |
Resonator 4 | 4.70 | 4.744 | 4.792 | 4.863 |
Resonator 5 | 4.90 | 4.947 | 4.991 | 5.061 |
Resonator 6 | 5.10 | 5.145 | 5.193 | 5.262 |
Resonator 7 | 5.30 | 5.346 | 5.391 | 5.459 |
Resonator 8 | 5.50 | 5.544 | 5.592 | 5.658 |
Resonator 9 | 5.70 | 5.746 | 5.792 | 5.859 |
Resonator 10 | 5.90 | 5.946 | 5.991 | 6.058 |
Resonator 11 | 6.10 | 6.145 | 6.192 | 6.261 |
Resonator 12 | 6.30 | 6.343 | 6.393 | 6.464 |
