TB 10088-2015 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| TB 10088-2015 | English | 685 |
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Code for Design of Railway Digital Mobile Communication System(GSM-R)
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TB 10088-2015: Code for Design of Railway Digital Mobile Communication System(GSM-R)---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/TB10088-2015
Code for Design of
Railway Digital Mobile Communication System (GSM-R)
Issued on June 1, 2017
Issued by National Railway Administration of the People’s Republic of China
1 General provisions
1.0.1 This Code is formulated with a view to unifying the design standards of Railway Digital Mobile
Communication System (GSM-R) (hereinafter referred to as GSM-R).
1.0.2 This Code is applicable to the design of new or reconstructed GSM-R.
1.0.3 The design of GSM-R mainly covers the core network, base station subsystem, mobile station,
operation maintenance and system support, etc.
1.0.4 The design of GSM-R shall provide the voice communication
dispatching call, and the data such as normal call and such as train operation control data, train
operation command data, train operation safety data, monitoring and test data as well as operation
management data according to the railway transportation requirements.
1.0.5 The design of GSM-R shall follow the principle of overall planning and comply with the
requirements for operation, management and equipment maintenance, existing systems and make rational use of existing related facilities.
1.0.6 The radio coverage and the frequency allocation of GSM-R shall be designed under unified
planning and priority shall be given to high-level railway lines.
1.0.7 The design of GSM-R shall comply with the requirements of the current main technical
strategy for railways. The application of techniques and equipment shall comply with the relevant provisions on railway construction management.
1.0.8 For the design of GSM-R, a redundancy solution shall be adopted according to the
requirements for quality of service as well as the technical and economic rationality if necessary. The
system reliability, availability, maintainability and safety shall comply with the requirements for
operation management and equipment maintenance.
1.0.9 The frequency use in GSM-R planning shall comply with the relevant national regulations of
radio management.
1.0.10 The design of GSM-R shall comply with the relevant national guidelines, policies, laws and
regulations on energy saving, material saving, economical of land and environmental protection.
1.0.11 Not only the requirements stipulated in this Code, but also those in the current relevant
Use national standards shall be complied with in the design of GSM-R.
3 Core Network
3.1 General Requirements
1 Switching Subsystem (SSS).
2 Intelligent Network (IN) Subsystem.
3 Core network equipment of General Packet Radio Service (GPRS) subsystem.
4 Equipment related to the packet switched (PS) domain application system.
3.1.1. The design of core network shall include the following contents
3.1.2. The setting location of the network equipment shall comply with the communication
network planning.
3.1.3 The subscriber capacity, quantity of interfaces and processing capacity of all the subsystems of the core network shall be under unified planning and design and should satisfy the demand in the short term.
3.1.4 The bandwidth of links for interconnection between the core network equipment should satisfy the demand for the 5th year after commercial operation and should be provided with the conditions for future expansion.
3.2 Switching Subsystem (SSS)
3.2.1 According to the network scale, the network structure of SSS may be designed as.
1 One-level structure of local network.
2 Two-level structure of tandem network and local network.
3.2.2 The design of tandem network includes the TMSCs and the trunk links connecting these nodes
and shall comply with the following provisions.
1 The whole network may be divided into several mobile service tandem areas.
2 Each tandem area should be provided with a standalone TMSC.
3 The interconnection between the TMSCs shall be in the form of a mesh network structure.
3.2.3 The local network shall be provided with the Mobile Switching Center (MSC), Visitor
Location Register (VLR), Group Call Register (GCR), Interworking Function (IWF), Gateway
Mobile Switching Center (GMSC), Home Location Register (HLR), Authentication Center (AuC),
Acknowledgement Center (AC), etc., and may be provided with the Short Message Service Center
(SMSC) and Equipment Identity Register (EIR) as required.
3.2.4 The setting and networking of MSC shall comply with the following provisions
1 MSC should be set in a centralized with redundancy configuration.
2 The 1+1 active/standby mode or the load sharing redundancy mode may be adopted for MSC.
3 A direct link should be provided between the adjacent handover MSCs for a Base Station
Manner Subsystem (BSS).
4 For the SSS designed with a two-level network structure, the MSC shall be connected to two
home TMSCs respectively.
5 When R4 network architecture is adopted for MSC and TMSC, transmission links should be
employed for the interconnection between the adjacent MSCs, between MSC and TMSC as well
between TMSCs.
6 When R4 network architecture is adopted for MSC, Ethernet-based interconnection may be
adopted between the redundant MSCSs as well as between MSCS and MGW.
3.2.5 The setting and networking of GMSC shall comply with the following provisions.
1 GMSC should be co-located with MSC and may be integrated with MSC according to the
network scale.
2 GMSC should be interconnected with the gateway of the related local communication network.
3 When a MSC covers multiple local networks of the related communication network, the GMSC
may be interconnected with the gateways of adjacent communication networks.
3.2.6 HLR should be set in a centralized manner with redundancy configuration and shall comply with the following provisions.
1 Multiple local networks may share a HLR.
2 Requirements for redundancy configuration of HLR.
1) The load sharing redundancy or 1+1 active/standby mode may be adopted for HLR. The
redundant HLRs should be set geographically.
2) The redundant HLRs have the same processing capacity.
3) The modes of connection and the quantity of interfaces between the redundant HLRs and
other equipment the same.
4) The bandwidth of the link between the redundant HLRs shall be determined based on the
redundancy mechanism.
3.2.7 SMSC should be set in a centralized
with the following provisions.
1 Multiple local networks may share a SMSC.
2 Requirements for redundancy configuration of SMSC
1) The 1+1 active/standby mode should be adopted for SMSC and the active and standby
SMSCs should be set geographically.
2) The standby SMSC has the same processing capacity as the active SMSC.
3) The modes of connection and the quantity of interfaces between the standby SMSC and
other equipment shall be the
4) The bandwidth of the link between the active and standby SMSCs shall be determined
based on the redundancy mechanism.
3.2.8 AC should be set in a centralized manner and shall comply with the following provisions.
1 The service scope of AC should be consistent with that of MSC.
2 AC may be integrated with MSC or set as standalone and in the
direct link may be provided between AC and the related MSC.
3.2.9 EIR should be set in a centralized manner with redundant configuration and shall comply with
the following provisions.
1 Multiple MSCs may share an EIR.
2 Requirements for redundant configuration of EIR.
1) The 1+1 active/standby mode should be adopted for EIR and the active and standby EIRs
should be set geographically.
2) The standby EIR has the same processing capacity as the active EIR.
3) The modes of connection and the quantity of interfaces between the standby EIR and other
equipment shall be the same as the active EIR.
4) The bandwidth of the link between the active and standby EIRs shall be determined based
the redundancy mechanism.
3.2.10 The setting of low call loss trunk groups for SSS shall comply with the following provisions.
1 The low call loss trunk groups shall be set between TMSCs and the loss probability shall not
be greater than 0.5%.
2 The low call loss trunk groups shall be set between the MSC and the home TMSC and the loss
probability shall not be greater than 0.5%.
3 The low call loss trunk groups shall be set between the MSC and the BSC and the loss
probability shall not be greater than 0.5%.
4 The number of trunks in a low call loss trunk group shall be designed based on the sum of the
MS traffic and the transit traffic on this route as well as the traffic overflowed from the efficient trunk group to this route, and in accordance with the loss probability index.
3.2.11 The low call loss trunk groups shall be set between GMSC and the gateway of related
communication network and the loss probability shall not be greater than 0.5%.
3.2.12 The non-blocking links shall be provided to connect the MSC with the ground equipment of
circuit switched (CS) domain application system, such as the Radio Block Center (RBC) of Chinese
Train Control System (CTCS) and ground Application Node (AN) of the synchronized operation and
control system for distributed locomotives.
3.2.13 The non-blocking links shall be provided to connect MSC with the dispatching office switch
of the railway wired dispatching communication system.
3.2.14 The efficient direct trunk groups may be provided between the adjacent handover MSCs
between BSSs.
3.2.15 The intra GSM-R network routing shall comply with the following provisions.
1 Direct route shall be prior to alternative route.
2 The traffic within the same tandem area shall be routed in this tandem
3 No more than 3 routes for an intra GSM-R call shall be chosen, with
sections of an route allowed.
3.2.16 The inter GSM-R network routing shall comply with the following provisions.
1 The routing between GSM-R and railway wired dispatching communication system.
1) If the call is originated by fix end, the routing shall be configured as “near in’’, if the call is
originated by mobile end, the routing shall be configured as “remote in”. If the call involved
inter-MSC, the routing shall be performed by GSM-R system.
2) For group calls made by the fix or mobile subscribers, the routing for fix subscribers shall
be performed by the railway wired dispatching communication system, the routing for
mobile subscribers shall be performed by GSM-R.
2 The routing between GSM-R and telephone network shall be configured as “near in”.
3.3 Intelligent Network (IN) Subsystem
3.3.1 The IN subsystem shall be provided with gsmSSP, SCP, SMP, SMAP, etc., and may be
provided with the IP (Intelligent Peripheral), SCEP and gprsSSP as required.
3.3.2 The equipment configuration for IN subsystem shall comply with the following provisions.
1 The gsmSSP shall be integrated with the MSC.
2 SCP, SMP and IP should be set in a centralized with geographical redundancy.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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