Research Article
A Security Situation Prediction Algorithm Based on HMM in Mobile Network
Table 3
The state transition probability matrix when scale factor =10.
| Prediction step | State | G | P | A | C |
| P=1 | G | 0.8357 | 0.0657 | 0.0801 | 0.0185 | P | 0.0487 | 0.8778 | 0.0736 | 0.0000 | A | 0.0015 | 0.0187 | 0.9763 | 0.0035 | C | 0.0139 | 0.0108 | 0.0000 | 0.9753 | P=2 | G | 0.7155 | 0.0311 | 0.2238 | 0.0295 | P | 0.1148 | 0.8192 | 0.0660 | 0.0000 | A | 0.0076 | 0.0271 | 0.9578 | 0.0075 | C | 0.0257 | 0.0214 | 0.0000 | 0.9529 | P=3 | G | 0.5375 | 0.0698 | 0.3236 | 0.0691 | P | 0.1557 | 0.7434 | 0.1009 | 0.0000 | A | 0.0015 | 0.0802 | 0.8802 | 0.0381 | C | 0.0396 | 0.0000 | 0.0101 | 0.9503 |
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