INDUSTRY GROUP
GSM-R
State of the Art and
Close Future Trends
UIC ERTMS World
Conference
Istanbul 1-3 April 2014
Ola BERGMAN
Head of GSM-R Standardization
NSN
www.gsm-rail.com
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GSM-R - State of the Art and Close Future Trends
INDUSTRY GROUP
Agenda
Why GSM-R?
GSM-R Renewals and Improvements
GSM-R Interoperability/Compatibility Testing IOT
Validation of GSM-R Test Specifications
New Professional Radio Standardization in 3GPP
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Why GSM-R?
INDUSTRY GROUP
•
•
•
Under UIC leadership a modern Railway Mobile System was specified
during the 90’s – GSM-R – replacing analogue technology…
…and has been refined over the years since then
It includes all required voice and data features for Railway Operation
•
•
•
GSM-R is Interoperable and Multivendor
GSM-R has a very large footprint – in Europe and internationally
GSM-R is a true success story!
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GSM-R Renewals and Improvements
INDUSTRY GROUP
Ongoing in existing Networks/Systems
•
•
•
•
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Shift to Internet Protocol IP
Introduction of Release 4 GSM-R Core, GPRS footprint
Geographical Redundancy for Improved Core Availability
Renewal of RAN
Mitigation of Radio Interferences
Upgrades to ETCS L2/3 bearer capability
In Advanced Stage of Standardization
•
•
ER-GSM - Capacity Increase Option
ETCS over Packet Switching (GPRS/EDGE)
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Release 4 Core
INDUSTRY GROUP
 Upcoming GSM-R Core Network is the evolution of legacy TDM* based
Core to Packet Based Core – from Release 99 to Release 4
 The Bearer Independent Core Network architecture is defined by 3GPP* *
in Release 4 specifications and since years widely deployed in public
mobile networks around the world serving millions of subscribers
 Physical Separation of the control and signaling telecom layer - MSC
Server from the bearer plane - Media Gateway
 Release 4 is fully compliant with UIC EIRENE specifications and ERA
GSM-R baselines
 Release 4 is a major milestone towards Internet Protocol IP
TDM* - Time Division Multiplexing,
3GPP** - 3rd Generation Partnership Project
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GPRS deployments
INDUSTRY GROUP
Austria

Belgium

Bulgaria

Czech Republic

Denmark
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Greece
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Hungary
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Ireland
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Italy
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Lithuania
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Netherlands
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Norway
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Portugal
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Slovakia
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Slovenia
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Sweden
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Switzerland
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United Kingdom
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 Live
 In deployment
www.gsm-rail.com
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Geographical Redundancy
INDUSTRY GROUP
Two geographically distant GSM-R Core & Central Dispatcher Nodes to
protect against Disasters
GSM-R
Dispatcher
Node
GSM-R Core on Location A
GSM-R
Dispatcher
Node
GSM-R Core on Location B
www.gsm-rail.com
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Renewal of GSM-R Radio Access Network RAN
INDUSTRY GROUP
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First GSM-R systems were deployed starting 1998
Since then radio technology has improved significantly
Less power consumption, less footprint, improved functionality, better
maintainability,...
Several Railways are updating/planning to update the Radio Access
Network RAN, i.e. to renew the Base Station Subsystem BSS
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ER-GSM - Capacity Increase Option
INDUSTRY GROUP
• Additional ER-GSM frequencies (4 + 3 MHz)
•
873
75% more GSM-R capacity
Uplink
880
E-GSM
915
918
GSM
E-GSM
Public Users
Railways
Downlink
925
960
GSM
Public Users
Railways
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GSM-R Inter Operability Testing (IOT) 2014
co-financed by the European Commission
INDUSTRY GROUP
GSM-R
Network
GSM-R
Network
MSC/VLR/
HLR/…
BSS
BSS
MSC/VLR/
HLR/…
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GSM-R Inter Operability Testing (IOT) 2014
co-financed by the European Commission
INDUSTRY GROUP
CAB
radio
GSM-R Network
1.
MSC/VLR/HLR/…
BSS
2.
Train Controller
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GSM-R Inter Operability Testing (IOT) 2014
co-financed by the European Commission
INDUSTRY GROUP
EIRENE
5/13
EIRENE
6/14
EIRENE
7/15
Issued
2000
Issued
2003
Issued
2006
2002
Global IOT
Phase 1&2
>
>
>
>
Nortel and NSN NSS/ NSS & NSS/
BSS EIRENE
5/13
Static roaming
functionality
GSM services
Advanced Rail
services
Q2/ Q4 2004
Q1/ Q4 2005
Q1 2007
IOT Phase 3 Initial & Global IOT &
Regression
Field Phase
> NSN and Nortel - NSS/ NSS
4.1
& NSS/ BSS
Global IOT
Phase 4.2
>
>
EIRENE 5/13
Inter PLMN connections
tested
Additional features tested
>
Nortel BSS to NSN
NSS EIRENE 6/14
> Nortel NSS
to NSN BSS
EIRENE 6/14
EIRENE
7.3.0/15.3.0
Q1 2011
Global IOT
Phase 9.3
> KCC BSS
to NSN NSS
EIRENE 7/15
Q2 2011
EIRENE
7.4.0/15.4.0
Q3 2011
2014
Global IOT
Phase 9.2
> KCC NSS
Global IOT
Phase 9.1
> KCC NSS
Global IOT
Phase X Specs
to NSN BSS
EIRENE 7/15
to NSN EIRENE
7/15NSS
> GSM-R NSS/
>NSS & NSS/ BSS
& E to E
>QoS
IOT Phase 3 extension
>
Focus on additional features (late entry,
eMLPP, Call barring and Access Matrix,
Class of Registration, …)
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Validation of GSM-R Test Specifications
INDUSTRY GROUP
•
The ERTMS MoU signed in April 2012 stipulates: “The GSM-R test
specifications for conformity assessment of GSM R on-board radios and
networks will be validated and included in the TSI CCS”
•
GSM-R IG addresses by performing validation test campaigns 2013 and 2014 –
coordinated with ERA
The reason for GSM-R IG to invest in this is three-fold
•
1. A mandatory and sufficiently thorough test spec will guarantee a certain
GSM-R quality all over Europe
2. Efforts for verification of compliance with TSI requirements predictable
3. Commonly agreed test specs imperative for European Cross-acceptance also allowing for ”reusage” of e.g. generic ISV
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All these contributing to better efficiency and lower costs for both Railways and
Suppliers
GSM-R IG is strongly in favour of including the Test Specs in the CCS TSI
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New Professional Radio Standardization in 3GPP
INDUSTRY GROUP
Critical Communications (ref GSM-R Group Call functionality) currently
in 3GPP work planned for inclusion in Release 12
•
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Group Call System Enablers over LTE (GCSE_LTE)
ProSe
Mission Critical PTT over LTE (MCPTToLTE)
•
This standardization is driven by Users and Suppliers of Public and
Professional Mobile Radio aiming at one Common, Efficient, Fully
Featured and User Friendly solution…
…aiming at many Users - potentially entire Public Safety Sector …
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Interesting to follow progress with regards to a Next
Generation system following after GSM-R
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INDUSTRY GROUP
the Future of Rail
Communication –
a Joint Enterprise
Thank you!
www.gsm-rail.com
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