Table 4 Confusion matrix at SNR =−2 dB.
From: Automatic Modulation Recognition Using Wavelet Transform and Neural Networks in Wireless Systems
QAM | ASK | FSK | |
|---|---|---|---|
QAM | 99.5 | 0.5 | |
ASK | 1 | 99 | |
FSK | 0.1 | 0.1 | 99.8 |
- The confusion matrix shows a high percentage of correct inter-class modulation recognition (case II) when SNR is not lower than
dB.
dB.