Table 1 Overview of the sensing solutions
From: Heterogeneous spectrum sensing: challenges and methodologies
Device | Resolution | Frequency | Processing | Sweeping | Cost |
|---|---|---|---|---|---|
name | bandwidth | span | |||
TelosB | 2 MHz | 2.4 GHz ISM band | RSSI | Narrow band | Medium |
Wi-Spy2.4x | 50 to 600 KHz | 2.4 GHz ISM band | RSSI | Narrow band | Medium |
Airmagnet | 155 KHz | 2.4 and 5 GHz ISM bands | FFT | In 20 MHz | Low |
USRP | 48 KHz ∗ | RF board dependent | FFT | In 20 MHz ∗ | Medium |
imecse | 78 KHz ∗ | 100 MHz to 6 GHz | FFT | In 20 MHz ∗ | High |