6 siafi gsm-r - international union of railways · gsm-r function#4: the train driver simply...
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GSM-R
SIAFI 2008Paris, 16 of April 2008
Mandoc Dan
UIC
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� Analogue Radio System, mostly walkie-talkie , simplex system� Range limited, continous communications not possible� Limited quality of communications � Limited applications, speech only� Large number of staff speaking the same channel� No encryptions for communication� Different frequency spectrums allocated
Precedent Situation – Analogue Radio
Ground –Train Radio
Maintenance Radio
Maneuver Radio
General Purpose Radio
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GSM-R� GSM-R is the new railway radio digital transmission system based on
ETSI-GSM concept, and it is a standard� It is designed, tested and improved by railways
� The system has also enhanced applications, railway needed :� Functional Addressing� Location Dependent Addressing� eMLPP ( Enhanced Multi Level Precedence & Preemption )� Voice Broadcast Calls� Voice Group Calls� Railway Emergency Call� …
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GSM-R Frequency characteristics
876 880 915890 921 925 935 960
Uplink (MS to BTS) Downlink ( BTS to MS)
UIC E-GSM P-GSM UIC E-GSM P-GSM
Dedicated Dedicated Frequency Band. Frequency Band.
Bandwidth 4 MHzCarrier Distance 200 KHz Nr of Carriers 19Nr of channels/carrier 8Inter BTS distance (actual limits) 6-17 km
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GSM-R Network
� A Train Controller is responsible for all trains in his area. He must be able to reach any of these trains quickly and without mistakes. It is established international practice (since many years) that each train has a number (which you may find in the time table).
GSM-R Function#1: The Train Controller simply dials the train number (not the MSISDN, which he anyway does not know!) followed by a two digits function code to reach the wanted function on the train (most commonly the Train Driver). This is achieved through Functional Addressing. Example: If the train number is 12345 and the Train Controller needs to reach the Train Driver he will dial 12345 followed by 01, i.e. 1234501
Functional Addressing
Area A
Area CArea B
12345
36524
63652
4636524636
Train Controller dials the Train Number…
…and is connected with the corresponding Train!
Area B
© Nokia Siemens Networks
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� It must be very easy for the Train Driver to reach the responsible Train Controller!
GSM-R Function #2 : The Driver only has to press one single button on his radio to reach the Train Controller responsible for the area his train is just passing through. This is achieved through Location Dependent Addressing LDA (cell based or enhanced)
Location Dependent Addressing
Area A
Area CArea B
Area A
Area DArea C
Area F
Area B
Area H
Area JArea E
Area GTrain Control
Centre
GSM-R Network
Train Driver pushes onesingle button…
…and is connected with the right Controller
© Nokia Siemens Networks
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GSM-R Network
� A Train Controller is responsible for all trains in his area. He must be able to reach all these trains at the same time for exchange of information of common interest.
GSM-R Function#3: The Train Controller simply dials the Short Code nnnn for Call All Trains in the Area. All Train Driver radios in the area are notified. The Train Drivers will take the call and start listening to the Train Controller. They also one by one can Push to Talk (PtT) and contribute to the information exchange. This is achieved through the Voice Group Call Service VGCS.
Call All Trains in the Area
Area A
Area CArea B
Train Controller dialsnnnn…
…all radio cells in the Area signal the call…
…and all Train radios takethe call!
Area B
© Nokia Siemens Networks
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GSM-R Network
Area A
Area CArea B
Area A
Area DArea C
Area F
Area B
Area H
Area JArea E
Area GTrain Control
Centre
� In Emergency situations a Train Driver must be able to warn all other trains at close range! The Train Controller for the Area must also be informed!
GSM-R Function#4: The Train Driver simply presses the red Railway Emergency button on his radio! All Train Driver radios at close range are notified and will automatically take the call! The Train Controller for the Area will also be alerted! This is achieved through the Railway Emergency Call REC.
Railway Emergency Call REC
Emergency is detected……Train Driver presses RED button …
…all radio cells in close range signal the call
…and the Train Controller is alerted and takes the cal l!
…all Train radios take the call…
© Nokia Siemens Networks
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VGC and MLPP
Controller
– Two subscribers are involved in a point to point call– Train controller initiates a Railway Emergency Call (REC)– The subscribers are notified– The ongoing ptp is terminated and the REC is connected
Emergency!
Emergency…
Emergency…
OK
OKPoint to point call
© Nokia Siemens Networks
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GSM-R Schematics
Base Station Subsystem (BSS) OperationSubsystem (OSS)
Network and SwitchingSubsystem (NSS)
Management -Subsystem
Switching- SubsystemRadio - Subsystem (MS +BSS)
MSMobile Station
HLR
EIRAuC
GCR
IN
VLR
BTSBase
Transceiver Station
TRAUTranscoding and
Rate Adaption Unit
BSCBase
Station Controller
MSCMobile Switching Center
OMC/NMCOperation and
Maintenance Center / Network
Management Center SMSCVMSC
GSM-Antenne
OMC-P
OMC-R Traditionalfixed
networks
Traditionalfixed
networks
Fixed network(Rail-Features)
Mobile communication platformFixed
communication platform
GSM-R network architecture
Subscribermanagement and
billing system
FFN
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GSM-R mobile Constituents
GSM-R Handhelds Cab Radio Types
(OPH)Operational Purpose Handheld
For use in normal environmental conditions
Professional use
Cab Radio (Dualmode)
Cab Radio (Voiceand Data
Communication
(GPH)General Purpose Handheld
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UIC GSM-R Related Projects in 2008
1.1.1.1. GSMGSMGSMGSM----R R R R 2.2.2.2. Advanced GSMAdvanced GSMAdvanced GSMAdvanced GSM----RRRR3.3.3.3. IPIPIPIP----IIII4.4.4.4. EEEE----TrainTrainTrainTrain
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UIC – GSM-R & Fixed Network Project
Main Tasks:Main Tasks:Main Tasks:Main Tasks:
�Maintain and update the existing specifications and standards for GSM-R , activity performed through UIC GSM-R experts groups: ERIG, Functional ERIG, Functional ERIG, Functional ERIG, Functional Group,Group,Group,Group, Operators GroupOperators GroupOperators GroupOperators Group
�Connections with ETSI through TCTCTCTC----RT GroupRT GroupRT GroupRT Group�Working close with the GSM-R Industry Group IGIGIGIG� Interoperability issues�Support to new implementing railways
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UIC Advanced – GSMR Project
�Packet switching mode for ETCS (GPRS & Others)�Target : field test campaign GPRS QoS for ETCS to prove that
GPRS could be the right solution;
�Based on the results of RFI and BV in GPRS QoS test campaigns, we are preparing live tests in real HSL environment for next period, and a frequency capacity study in mixed environment CSD & PSD
�Frequency matters :�Support the campaign for frequency band extension
�Protect the GSM-R spectrum against interferences
(e.g. UMTS 900, MCPA)
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UIC IP-I Project
The UIC IP-I project has to goals:
1. Interconnection of GSM-R networks
2.Building up a new communication network
Algiers
Amsterdam
Andorra La Vella
Athens
Belgrade
Berlin
Bern
Bratislava
Brussels
Bucharest
Budapest
Copenhagen
Dublin
Helsinki
Kishinev
Lisbon
Ljubljana
London
Luxembourg
Madrid
Minsk
Monaco
Oslo
Paris
Prague
Riga
Rome
San Marino Sarajevo
Skopje
Sof ia
Stockholm Tallinn
Tirane
Tunis
Vaduz
Valletta
Vatican City
Vienna
Vilnius
Warsaw
Zagreb
Algiers
Amsterdam
Andorra La Vella
Athens
Belgrade
Berlin
Bern
Bratislava
Brussels
Bucharest
Budapest
Copenhagen
Dublin
Helsinki
Kishinev
Lisbon
Ljubljana
London
Luxembourg
Madrid
Minsk
Monaco
Oslo
Paris
Prague
Riga
Rome
San Marino Sarajevo
Skopje
Sof ia
Stockholm Tallinn
Tirane
Tunis
Vaduz
Valletta
Vatican City
Vienna
Vilnius
Warsaw
Zagreb
NL
GR
SCG
D
CH
SK
B
RO
H
DK
FIN
P
SLO
GB
L
E
N
F
CZ
LV
I
BIH
BG
S
EST
A
LT
PL
HR
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GSM-R for ETCS• GSM-R is the bearer for ETCS• The GSM-R Network has to guarantee a high level of
Quality of Service in order to fulfill the needs of ETCS. • ETCS requires critical real time interactive data transfer; if
the movement authority is not available at the right time, the train will brake
• From strictly telecom point of view, only small application messages are sent periodically
• They are sent from OBU to RBC , as well as from RBC to OBU
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ETCS Requirements• Subset 093 defines the
ETCS requirements for GSM-R
• Tests have been done in Belgium, France, Germany, Italy, Netherlands, Switzerland, Spain
�The test results show a general fulfillment of the requirements
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GSM-R Specifications
GSM-R specifications :
EIRENE FRS v7
EIRENE SRS v15
MORANE updated documents
GSM-R Procurement Guide
and other useful information can be reached on UIC ERTMS/GSM-R Web Site :
http://ertms.uic.asso.fr
Middle 2008, we will have also the GSM-R Implementation Handbook finalized.
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GSM-R in Europe
�37MoU signatories
�17 of them already started
�Full implementation Stage
�GSM-R is a working system
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GSM-R Implementation Status
�Five administrations have finished the GSM-R implementation, or first stage of implementation finished the end 2007, and are migrated to GSM-R: Italy, Germany, Netherland, Norway and Sweden
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Total Network vs. GSM-R Planned Network
Total Railway Network : 220752 Km
Planned with GSM-R : 147719 Km
In Europe,67 % of the Railway Network is planned to be covered with GSM-R; from this 52101 km , which means 35,2% are in operation!
Railway Total Network vs GSM-R Planned Network
0
5000
10000
15000
20000
25000
30000
35000
40000
AD
IF
BD
K
BD
Z
BV
CF
L
CF
R
DB
Netz
HZ
JBV
LDZ
LG MA
V
Netw
ork Rail
OB
B
OS
E
PK
P
Prorail
RE
FE
R
RF
F
RF
I
RH
K
SB
B
SN
CB
SZ
SŽ
DC
ZS
R
Total Network
Planned Network
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Time Table
2008 :
47700 Km Migrated
32 %
2011:
55,4 % Migrated
Start of Implementation / In Service / Migrated GSM -R Networks
1995 2000 2005 2010 2015
OBB
SNCB
BDZ
HZ
SŽDC
BDK
RHK
RFF
DB Netz
OSE
MAV
RFI
CFL
Prorail
JBV
PKP
REFER
CFR
ZSR
SZ
ADIF
BV
SBB
UK
Start of Implementation
In Service
Migrated
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GSM-R Users
Mobile UsersPlanned :321833
Mobile UsersActivated :120953
37,5 %
�25901 Cab Radio’s Activated
0
10000
20000
30000
40000
50000
60000
70000
80000
AD
IF
BD
K
BV
DB
Netz
HZ
JBV
MA
V
Netw
ork Rail
OB
B
OS
E
PK
P
Prorail
RF
F
RF
I
RH
K
SB
B
SN
CB
SŽ
DC
Planned
Activated
GSM-R is not a Mobile Operator Business Case, but a Railway one !
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Conclusions
� GSM-R is a proven system, taken into account all over Europe, and not only
� Starting 2008, from an implementing system, we speak about a working system
� End of 2007 we have 5 administrations migrated, that means more than 47,700km migrated
� It was proven to work at 500 km/h!