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GB/T 28029.7-2020Electronic railway equipment - Train communication network (TCN) - Part 2-6: On-board to ground communication (English PDF)

轨道交通电子设备列车通信网络（TCN）第2-6部分：车地通信

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 6, 2020

Implementation date

October 1, 2020

Scope

GB/T 28029.7-2020 is the English-translated version of 轨道交通电子设备列车通信网络（TCN）第2-6部分：车地通信.

GB/T 28029.7-2020 is the Chinese standard "Electronic railway equipment - Train communication network (TCN) - Part 2-6: On-board to ground communication". Its scope clause reads: This part of GB/T 28029 specifies the communication specifications between the on-board system and the ground system.

Communication systems, interfaces and protocols are defined as mobile communication functions, and all available wireless technologies can be used.

This section makes requirements for the following purposes. a) Select the wireless network based on the quality of service (QoS) parameters requested by the application; b) Train control and monitoring system (TCMS) and/or vehicle multimedia and remote OMTS applications can remotely access applications running on ground facilities; c) Allow applications running on ground facilities to remotely access in-vehicle TCMS and/or OMTS applications.

In order to make the terminal equipment connected to the TCN network and adopt the virtual/functional addressing mechanism specified in GB/T 28029.4-2020 To connect with ground applications and interact with each other, this section specifies further requirements.

In addition, this section covers security requirements to ensure that only authorized and authenticated applications open the interface and exchange data encrypted.

Safety-related data communication between vehicle and ground applications and passenger Internet connection services are not covered by this part.

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Document preview — GB/T 28029.7-2020

National Standard of the People's Republic of China

ICS: 45.060
Classification: S 70

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviations and conventions
3.1 Terms and definitions
3.2 Acronyms
3.3 Conventions of State Diagram
4 Vehicle-ground communication system architecture
4.1 Overview
4.2 Requirement
4.3 Mobile communication network architecture
4.4 System Breakdown Structure (SBS)
4.5 Functional Breakdown Structure (FBS)
4.6 Mobile communication gateway
4.7 Mobile communication redundancy
4.8 Change of train composition
4.9 Information Security
5 Communication Framework
5.1 Overview
5.2 MCG Agent Service Architecture
5.3 Addressing concepts
5.4 Data types used for T2G communication
5.5 Communication protocol
5.6 Communication services
6 MCG services and interfaces
6.1 Description
6.2 Overview
6.3 Service provision
6.4 MCG/GCG system service description
7 GCG services and interfaces
7.1 GCG overview
7.2 GCG addressing
7.3 GCG implementation
7.4 GCG Service
Appendix A (Normative Appendix) Message Representation
Appendix B (Normative Appendix) Coding and Sorting of Remote Monitoring Data
References

1 Scope

This part of GB/T 28029 specifies the communication specifications between the on-board system and the ground system.

Communication systems, interfaces and protocols are defined as mobile communication functions, and all available wireless technologies can be used.

This section makes requirements for the following purposes.

a) Select the wireless network based on the quality of service (QoS) parameters requested by the application;

b) Train control and monitoring system (TCMS) and/or vehicle multimedia and remote

OMTS applications can remotely access applications running on ground facilities;

c) Allow applications running on ground facilities to remotely access in-vehicle TCMS and/or OMTS applications.

In order to make the terminal equipment connected to the TCN network and adopt the virtual/functional addressing mechanism specified in GB/T 28029.4-2020

To connect with ground applications and interact with each other, this section specifies further requirements.

In addition, this section covers security requirements to ensure that only authorized and authenticated applications open the interface and exchange data encrypted.

Safety-related data communication between vehicle and ground applications and passenger Internet connection services are not covered by this part.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 28029.1-2020 Rail Transit Electronic Equipment Train Communication Network (TCN) Part 1. Basic Structure (IEC 61375-1..2012, MOD)

GB/T 28029.4-2020 Rail Transit Electronic Equipment Train Communication Network (TCN) Part 2-3. TCN Communication Protocol (IEC 61375-2-3..2015, MOD)

GB/T 28029.12 Rail transit electronic equipment Train communication network (TCN) Part 3-4. Ethernet marshalling network (ECN) (GB/T 28029.12-2020, IEC 61375-3-4..2014, MOD)

GB/T 35673-2017 Industrial communication network network and system security system security requirements and security levels (IEC 62443-3-

3..2013, IDT)

IEC 62280 Safety-related communication in rail transit communication, signal and processing system transmission systems (Railwayapplica- tions-Communication, signalingandprocessingsystems-Safetyrelatedcommunicationintransmis- sionsystems)

IEC 62443 (all parts) Industrial Communication Networks and System Security (Industrial Communication Networks-

Networkandsystemsecurity)

IEC 62580-1 Rail-vehicle electronic equipment on-board multimedia and remote communication system. Part 1. Basic hierarchy (Elec- tronicrailwayequipment-On-boardmultimediaandtelematicsubsystemsforrailways-Part 1. Gen- eralarchitecture)

ISO /IEC 20922..2016 Information Technology Message Queuing Telemetry Transmission (MQTT) v3.1.1 [Informationtechnology-

MessageQueuingTelemetryTransport (MQTT) v3.1.1]

IEEE802.3 Special requirements for local area network and metropolitan area network for remote communication and information exchange between information technology systems. Part 3.

TB/T 2834 | GB/T 28029.14 | GB/T 28029.13 | GB/T 28029.11 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 177 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61375 · IEC 62443

Cited by

GB/T 42286.2-2022Electronic railway equipment - On board driving data recording - Part 2: Conformity testing

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