A Security Situation Prediction Algorithm Based on HMM in Mobile Network

Table 2

The state transition probability matrix when scale factor =2.

Prediction step	State	G	P	A	C
P=1	G	0.9168	0.0012	0.0385	0.0435
	P	0.0615	0.9259	0.0126	0.0000
	A	0.0000	0.0000	1.0000	0.0000
	C	0.0000	0.0000	0.0015	0.9985
P=2	G	0.8156	0.0000	0.1755	0.0086
	P	0.0042	0.9956	0.0000	0.0000
	A	0.0000	0.0000	0.9861	0.0138
	C	0.0021	0.0000	0.0018	0.9961
P=3	G	0.7271	0.0032	0.2697	0.0000
	P	0.1689	0.8311	0.0000	0.0000
	A	0.0000	0.0866	0.8864	0.0269
	C	0.0000	0.0000	0.0000	1.0000