Fig.1

Rail transit redundant control system of LTE"

Fig.2

Model of simple series system"

Fig.3

Model of simple parallel system"

Fig.4

Model of common network system"

Fig.5

Wire connection between iEPC and BBU"

Fig.6

Computing method of reliability of wire connection"

Fig.7

Computing method of reliability of wireless connection"

Fig.8

Simplified diagram of reliability calculation of the rail transit redundant control system of LTE"

Fig.9

Simplified diagram of reliability calculation of the rail transit non-redundancy control system of LTE"

Fig.10

Reliability of the rail transit control system of LTE"

Fig.11

Simplified diagram of reliability calculation of the rail transit redundant control system of LTE"

Fig.12

Simplified diagram of reliability calculation of the maglev redundant control system"

Fig.13

Cross connect wireless channel between RBS and MST"

Fig.14

Reliability of the maglev redundant control system"

Fig.15

Improved rail transit redundant control system of LTE"

Fig.16

Reliability of the improved rail transit redundant control system"

Fig.17

Reliability comparison between different models of various train control systems"

Fig.18

Structure of the whole line of improved LTE rail transit control system"

Fig.19

Reliability comparison between models of the whole line of various train control systems"

Table 1

Median lifetime of all control systems"