gsm-r brief 2009 report - uic.org filegsm-r brief 2009 report gsm-r implementation status gsm-r cr...

ETMS Platform Steering Committee -02.12.2009 1

GSM-R Brief 2009 Report

GSM-R Implementation StatusGSM-R CR Process

GPRS for ETCSAdditional Frequencies

GSM-R Frequencies InterferencesGTIP

Future Railways Radio Telecom System Feasibility StudyDan Mandoc, UIC ERIG Chairman


Implementation Status in Europe

6 countries finalized or first step finalized

10 implementers

Tenders ongoing or under preparation in 7 countries


GSM-R International OperationsStatus report: 1st half 2009

• 10 EIRENE networks interconnected• 16 Direct interconnections in operation• 13 Transit routing paths in operation

•International traffic still small but constantly increasing

Source: ENIR


European planned network vs. GSM-R in operation

Planned network: 149.210 kmNetwork constructed: 73.563 kmNetwork in operation: 63.615 km

63.615 km in operation (42,6 % of planned GSM-R networkin Europe)

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Expected Implementation Road Map

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European GSM-R Users mid 2009

Mobile Users

•Activated: 137.271•Planned ~ 300.000

• 31 917 Cab Radio• 1 331 EDORactivated

GSM-R is not a public mobile operator business case, but a Railway one !

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GSM-R CR Report

• The new CR Process in place since beginning 2009• The process involves CER, EIM, ERA and UIC. UNISIG involved

when the CRs touches ETCS

2009 Results:• 38 Change Requests delivered towards ERA (through CER&EIM)• 20 already treated in the ERA Final Assessment meetings• Other 17 will be studied in next EFA meeting, in February• TSI Index 48 – Cab Radio Test Cases finalized. They are in

process to be transferred to ERA • 19 IRs analyzed by the PreQ until now

The next EIRENE Version 7.1/15.1 is under discussionDeadline was postponed to March 2010


Update on GSM-R Specifications Evolution2010 2011 2012


GPRS for ETCS

Work ongoing to complete the feasibility studyUNISIG agreed on last ERA CG meeting that the specs on their side shall be ready “12-18 months” from the moment when EEIG/ERA indicates GPRS as a bearer for ETCS

Test Cases were revised, version 0.5 was sent to UNISIG and commented. Ping pong ongoing, results expected soon

Tests on GPRS behavior, performed also in HS mobility condition – are considered finalized. No major concern

Based on the UNISIG traffic model, next test campaign is under preparation. Major partners on IG side: NSN and Comtest


• Discussions with BV to host both lab and field tests

• Target is fulfilling the commitment: Feasibility study finalizedbefore end March 2010

• Related European Funding in the frame of Ten-T 2007-2013 application resolution awaited

!!High dependence on Railways to perform the Test Campaign!!Allocated funds (100 kEuros) forces to compromises


GSM-R Frequency Management


GSM-R signals

UMTS 900

signals

FrequencyRegulator

Solution: Reduce the signal level for UMTS and LTE close to railways, or reduce the out of band emission mask

Maximum allowedinterference in GSM-R band,

-107dBm/200kHz at 4m height

925MHz

Signals from UMTS 900 are ”leaking ” into the GSM-R band – legal out of band

emission!

! GSM-R Frequencies Interferences – blocking situations are increasing, expected to “explode”


Actions Taken

(Long Term) GSM-R frequencies interference issue was submitted to ETSI , to start a so called Special Task Force (STF), which will:– Revise the UMTS 900 out of band emissions– Adapt the Cab Radio blocking conditions/performances – Guidelines for cooperation between Mobile Operators and

Railways, when in rail proximity

(Short term) Filtering or similar solutions (at least for EDOR’s) issue are under study in UIC Operators Group – as short term solution. A proposal for improved radio modules, seen as cheaper is under study


• The SI 7 WG, working for the CEPT will have the kick off meeting on UM TS900 interferences on GSM-R in 9-10 of December 2009, in Paris. Main task is the develop the previous described guidelines, but also to see what is the main cause:– UMTS specifications?– GSM-R radio modules behavior?– Bad behavior ( allowed transmission level exceeded)?

This issue is seen as one of the biggest threats for GSM-R therefore ERTMS; is solutions will not be found, the increasing blocking situations will strongly affect ERTMS in the future


Additional Frequencies

• 02(05) and 04(06) are now finalized (Approved in July 2009)• It allows Railways to ask for up to additional 3 MHz in the PMR/PAMR

bandwidth• No products developed so far• DB has already applied for additional 3 MHz paired• Main usage - additional important applications like shunting, etc.

!!!If Railways will not ask for frequencies or at least inform the regulators that in future they might be interested, in 5 years, we will lose this opportunity!

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Additional Frequencies


ETL GTIP?

• As presented in October 2008, ETL is an acronym for the GSM-R European Test Lab

• Work have been performed in 2008 to study the preconditions of an ETL

• Participants were DB, RFF, RFI, Nortel, NSN, ERA, UIC• We reinforce our conclusions on the need of such a Lab, and on the

negative consequences if this concept would not be considered

• We remind you the ETL objectives, presented in the October 2008 CG:


ETL Objectives / Functionalities

A. Objectives / functionalities for the ETL

1. All GSM-R subsystems (NSS, BSS, CAB, Handhelds, EDOR, FTSS) 2. European Validation for new subsystems 3. Validation on a new EIRENE Version5. * National Project Validation Phase6. * Additional activities

B. Possible GSM-R IG activities:

1 Prerelease Documentation2. Maintenance Process – for the maintenance products which does not

affect interoperability, in which case a certificate stating this will be released.

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