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Table 3 Priority of T2W services

From: A novel network architecture for train-to-wayside communication with quality of service over heterogeneous wireless networks

Priority

Services

1 (low)

Passenger internet

2

Crew intranet

3

Diagnostics

4

Application update

 

Content update

 

TCMS event

5

CCTV security

6

Intercom (VoIP)

 

CCTV safety

 

TCMS cyclic

7

Public address

 

PIS data

8 (high)

Configuration traffic