Table 4 Comparison of experimental results with different indicators under different SNRs
From: Active eavesdropping detection: a novel physical layer security in wireless IoT
SNR (dB) | Precision | F1 Score | ||
|---|---|---|---|---|
SVM (%) | BP (%) | SVM (%) | BP (%) | |
\(-\)8 | 70.54 | 84.18 | 82.72 | 91.41 |
\(-\)6 | 70.54 | 80.15 | 82.72 | 88.98 |
\(-\)4 | 70.54 | 70.69 | 82.72 | 82.83 |
\(-\)2 | 70.54 | 71.07 | 82.72 | 83.41 |
0 | 71.79 | 69.02 | 83.58 | 81.67 |
2 | 70.92 | 72.14 | 82.98 | 83.82 |
4 | 73.01 | 71.19 | 84.40 | 83.17 |
6 | 73.71 | 70.36 | 87.45 | 82.60 |
8 | 74.67 | 93.11 | 85.50 | 96.43 |
10 | 78.52 | 94.30 | 87.97 | 97.07 |
12 | 84.40 | 95.92 | 91.54 | 97.92 |
14 | 83.33 | 96.36 | 90.90 | 97.83 |
16 | 83.98 | 98.85 | 91.29 | 99.42 |
18 | 88.67 | 98.23 | 93.99 | 93.11 |
20 | 86.26 | 97.50 | 92.62 | 98.73 |