Table 2 Comparison of active components of BackCom and traditional IoT nodes
From: Next generation backscatter communication: systems, techniques, and applications
| Â | Sensor | MCU | Variable impedance | DAC | Mixer | Power amplifier |
|---|---|---|---|---|---|---|
Energy/power consumption | 0.1 μJ per sensing task | 2.5 μW | 0.1 μW | 15 μW | 0.1 mW | 50 mW |
BackCom IoT node | \(\checkmark \) | \(\checkmark \) | \(\checkmark \) | Â | Â | Â |
Traditional IoT node | \(\checkmark \) | \(\checkmark \) | Â | \(\checkmark \) | \(\checkmark \) | \(\checkmark \) |