Research Article
A Novel Modulation Classification Approach Using Gabor Filter Network
Table 3
Updated Gabor filter atom parameters and weights for QAM 2–64.
| Shift parameter () | QAM2 | QAM4 | QAM8 | QAM16 | QAM32 | QAM64 |
| 5.54 | 5.07 | 5.77 | 5.65 | 4.81 | 5.27 | 5.77 | 5.90 | 4.25 | 4.45 | 4.18 | 4.29 | 4.69 | 4.24 | 4.33 | 5.20 | 4.56 | 5.56 | 4.63 | 4.72 | 4.83 | 4.17 | 4.67 | 4.56 | 5.02 | 4.29 | 5.00 | 4.08 | 5.13 | 4.59 | 5.03 | 5.18 | 5.68 | 5.89 | 5.23 | 4.79 | 5.16 | 5.09 | 5.89 | 4.91 | 5.79 | 4.63 | 4.61 | 4.67 | 5.52 | 5.91 | 4.35 | 4.47 | 4.48 | 4.59 | 5.13 | 5.62 | 5.61 | 4.47 | 5.43 | 5.14 | 5.13 | 4.94 | 4.15 | 4.75 |
| Scale parameter () | QAM2 | QAM4 | QAM8 | QAM16 | QAM32 | QAM64 |
| 15.63 | 16.25 | 10.25 | 16.76 | 1.67 | 2.45 | 16.03 | 8.57 | 8.17 | 5.18 | 13.53 | 16.21 | 14.87 | 14.08 | 2.55 | 18.87 | 6.78 | 5.33 | 1.92 | 18.27 | 12.31 | 6.63 | 13.33 | 4.66 | 6.44 | 3.16 | 11.89 | 18.48 | 9.38 | 5.94 | 13.32 | 3.17 | 4.80 | 6.85 | 11.90 | 2.50 | 11.49 | 12.94 | 12.83 | 15.33 | 7.44 | 15.29 | 14.39 | 3.33 | 7.33 | 7.58 | 6.03 | 5.21 | 19.04 | 14.23 | 7.39 | 5.13 | 18.00 | 12.81 | 8.67 | 2.94 | 8.48 | 1.05 | 12.56 | 2.59 |
| Modulation parameter () | QAM2 | QAM4 | QAM8 | QAM16 | QAM32 | QAM64 |
| 2.35 | −0.05 | 0.80 | 3.14 | −0.53 | 1.82 | −2.72 | −0.56 | −0.37 | −0.53 | 2.90 | −3.02 | 1.91 | 2.52 | −1.90 | 0.95 | −1.33 | −2.24 | −1.02 | 0.10 | −1.55 | 1.46 | 2.47 | 0.38 | 1.73 | 1.08 | 1.83 | 1.51 | −0.75 | −1.89 | −2.75 | −1.83 | −2.57 | −1.42 | 2.66 | 1.10 | 0.47 | 0.20 | −2.79 | −2.21 | 0.54 | −1.57 | 0.32 | 0.11 | −0.93 | −1.56 | −0.94 | −0.55 | 1.88 | 0.33 | −2.59 | 0.31 | −1.28 | 0.68 | −0.76 | −2.27 | 0.07 | 2.83 | −1.01 | −1.70 |
| Weights () | QAM2 | QAM4 | QAM8 | QAM16 | QAM32 | QAM64 |
| −0.031 | −0.504 | 1.009 | −1.428 | −1.095 | 0.339 | −0.021 | −0.446 | −0.796 | −1.339 | −0.559 | −0.835 | −0.043 | −0.187 | −0.285 | −0.725 | 0.304 | 0.442 | 0.194 | 0.794 | 0.299 | −1.122 | 1.359 | −0.558 | 0.354 | 1.061 | 0.664 | −0.476 | −1.109 | 0.506 | 0.250 | −0.591 | −0.306 | 0.044 | −1.357 | −0.234 | 0.097 | −0.622 | −0.380 | 1.193 | 0.290 | 0.022 | 0.007 | 0.247 | −0.769 | −0.316 | 0.624 | −0.177 | 0.245 | 0.467 | −0.608 | 0.984 | −0.334 | 0.694 | 0.046 | −0.117 | 0.536 | 0.552 | −0.294 | 0.423 |
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