Table 5 Confusion Matrix at SNR =−6 dB.
From: Automatic Modulation Recognition Using Wavelet Transform and Neural Networks in Wireless Systems
QAM16 | QAM32 | QAM64 | |
|---|---|---|---|
QAM16 | 99.5 | 0.4 | 0.1 |
QAM32 | 0.2 | 99.3 | 0.5 |
QAM64 | 0.1 | 0.1 | 99.8 |
- The confusion matrix shows a high percentage of correct QAM intra-class recognition when SNR is not lower than
dB.
dB.