RAILWAY INDUSTRY DRIVERS

• End of life for 2G incl. GSM-R

(GSM-R IG support commitment until 2030)

• Non-EU countries interested in ETCS, but not

tied up to GSMR

MOBILE INDUSTRY TRENDS

• 4G/LTE as a natural successor to 2G/GSM-R

• 4G air interface “preserved” through 5G

• 4G/LTE is now a mature technology

PROFESSIONAL RADIO STANDARDS

• 3GPP/TCCA & Mission Critical Voice features

part of standardization (Rel.12, 13, 14)

TRADITIONAL SERVICES

• Support the mandatory services of the current

GSM-R / ERTMS systems.

• Satisfy UIC URS specification

• Interoperate with former ERTMS systems

• Offer border crossing capabilities

NEW SERVICES

• On-board passenger video surveillance

• Track & platform look-ahead from drivers

• Remote video of level crossings

• Real time train performance monitoring

• On-board tele-medicine ( future EC rules )

• Value Added Services for Passenger

• Sensors

UIC/ERA/ETSI TC RT (NG2R)/Shift2Rail,..involvement of UIC,ERA, Industry

Ongoing evaluation of aspects as successor technology (following 3GPP evolution),

spectrum, system architecture

GSM-R

2G/3G, WIFI

S&C(*) (ETCS)

Passenger Info

Traffic Regulation

Maintenance

2G/3G/4G,

Satellite, WIFI Passenger Info

Internet Access

GSM-R

or TETRA Operational Voice

(*) Signalling & Control

GSM-R ,

Tetra, DMR

On-Board CCTV, Platform CCTV

RAILWAYS FREIGTH METRO

LTE

S&C(*) (ETCS, CBTC)

Passenger Info

Traffic Regulation

Maintenance

Internet Access

Operational Voice

CCTV

WiFi (propr.) S&C(*) (CBTC)

SINGLE LTE RADIO INTERFACE WITH DIFFERENTIATED QoS

E2E LTE Network

Application Enablers

Location

Presence QoS

Comms

Guest Services

API Platform

Context

Control

Content

Multimedia

Expose network intelligence to

applications & device ecosystem

Service aware network

API Platform API Exposure Suite (AES)

Business Suite

Application Developers

Suite

Application Prototyping

Suite

Application Publishing Suite

API Provider Suite Enables secure

exposure of

differentiating

service capabilities

such as enriched

communications,

content delivery,

service control and

context awareness

Application

Enablers

Railways Applications Safety-critical data communications

Safety-critical voice communications

Safety-related telecoms (e.g. CCTV, PA, …)

Other communications

Public Safety Apps Mission critical data

Mission critical voice (PTT)

Location Based Services

Mission critical CCTV

E2E LTE = 4G RAN + IPMPLS BACKHAUL

GSMR LTE

Voice group call service (VGCS) LTE IMS-based VoIP (VoLTE) + IMS-based Push-to-talk over Cellular (PoC); This

will be realized with 3GPP Rel12,13,14 (GCSE, MCPTT)

Voice broadcast calls (VBS) VoLTE + PoC: IP multicast of voice and video services;

This will be realized with 3GPP Rel12,13,14 (GCSE, MCPTT)

Priority and preemption (eMLPP) Access class barring mechanisms + policy control rules +

Quality of Services (QoS) mechanisms

Functional addressing (FN) Session Initiation Protocol (SIP) addressing

Location-dependent addressing

(LDA, eLDA)

Functional addressing (FN)

Localization services in LTE (Release 10)

Railway emergency calls

(REC, e-REC)

Emergency and critical safety voice services over IMS in LTE (see VGCS)

Fast call set up Very low latency of LTE to support fast exchange of signaling

(e.g., IMS-based PoC) + Access class barring

Data exchange

(SMS, shunting)

IMS-based SMS service

Use Signaling Gateway (SG) interface between Mobility Management Entity

(MME) and Mobility Switching Center (MSC) server

MME-based Short Message Service (SMS) service

LTE CAPABLE OF MEETING KEY REQUIREMENT,

WHILE BRINGING THE POTENTIAL OF BROADBAND

• Several Industry Associations, Regulators and Standardization

bodies investigating the “market feasibility”

• Research projects & pilots proving the “technical feasibility”

http://tecrail.lcc.uma.es

http://systuf.ifsttar.fr/index-en.php

MASSIVE GROUP COMMUNICATIONS

• One to many communications per group

• 10s to 1,000s members per group

• 10s of groups per cell

• Fast call set and floor control

• Pre-emption and Emergency calls

FALLBACK MODE

• Base station continues to offer services to users

under the coverage area even if disconnected from the

network

LTE

Core Network

DIRECT MODE OPERATIONS

• Direct communication btw terminals in group mode

• Relay mode

• Out-of coverage operations

• Special mode of operations

GCSE (3GPP Rel-12) ProSe (3GPP Rel-12 and Rel-13)

IOPS (3GPP Rel-13)

PUSH TO TALK (PTT)

• Primary mode of communications mission and business

critical users

• Emergency calls, late entry…

MCPTToLTE (3GPP Rel-13, 14)

GCSE – Group Communications System Enablers

ProSe – Proximity Services

IOPS – Isolated E-UTRAN Operations

MCPTToLTE – Mission Critical PTT over LTE

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http://tecrail.lcc.uma.es

3G

PP

evo

luti

on

R

ailw

ays

1995 2000 2005 2010 2015 2020 2025

NG for Railways

2G: GSM, GPRS, EDGE

Standardization & Verification

Pilot, IOT

New EIRENE , BI-ETCS, UIC, ERA, GSM-R IG, UNISIG, 3GPP

Development

GSM-R based on mature GSM products & technology

ETCS over IP

Leveraging the 3GPP ecosystem!!! to continuously benefit from public network evolution, guarantee interworking and roaming

1995 2000 2005 2010 2015 2020 2025

LTE/LTE-A LTA-A-Pro Rel.14

‘16 ‘17

3G – UMTS, HSPA (skipped for railways)

‘16 ‘17

NG backbone (PDH/SDH to IP-MPLS + DWDM) for Railways

tbc

2030

2030

• Key topic to solve is spectrum (e.g. re-farming, new bands, sharing)

• Start with overlay, then smooth migration

All services over LTE

Railway layer over IMS

Multiple user communities (ISP, MSP, Rail, Public safety)

Mission critical voice & ETCS L2 over GSM-R

High speed data pipe over LTE

Full LTE for Rail

GSM-R + LTE pure Data Overlay

Mission critical voice over GSM-R

ETCS applications over GSM-R

Multimedia data over LTE (incl. voice, video, maintenance applications)

GSM-R / LTE InterOpTest for PTT

GSM-R + LTE Multimedia Overlay

(*) In countries where

spectrum is available

and cross-border

interoperability not

mandatory, full LTE

scenarios could be an option

# of subs

traffic

/sub/m

onth

2G

Mobile voice, traffic

scaling proportional

to number of subs.

3G

Start of mobile

broadband. Usage

per subscriber

increasing.

4G

Mobile entertainment, total traffic

driven by average data usage instead

of by number of subscribers.

5G

The rise of new low latency services

along with ultra-narrowband M2M

traffic and device numbers causes

diverging requirements, both technical

and economical. 4G is maintained for

macro layer and coupled with5G for

ultra-dense coverage. 5G aspects as

cloud in Ran/Core, Mobile Edge

Computing or virtualization can be

considered as implementation options

for railways

TRENDS: RAN “PRESERVED” & CORE “BACKWARDS COMPATIBLE”

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Nokia Railway Solutions

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Your next stop

is the Nokia

booth #15

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