4th ITU Green
Standards Week
The New Revolution Of
Urban Rail Transit Informatization
Wuhan Research Institute Of
Posts & Telecommunication
– FiberHome Group
Jie Dong
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International
Telecommunication
Union
Market Size Of Urban Rail Transit Informatization
During the "Twelfth Five-Year", the national Rail Transit will put into operation to 2500 Km.
At the end of 2020, the total mileage will reach to 7000 Km, where the informatization is a very
important part of the construction.
The Total Investment
Of Urban Rail Transit
（One Hundred Million）
15000
12000
Proportion Of The Rail
Transit Informatization
Passengers Information
13500
Display System
43
4% ，960
%
10500
The Applications Of
The Rail Transit
Informatization
Carriage Video Monitoring
Informatization
9000
Train Operation Monitoring
Voice Trunking Service
3000
0
……..
2011-2015
2016-2020
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Technology Status And Development Trend
The requirement of Rail Transit Informatization are rising
Control Center use the real-time monitoring to control the running train, and provide a wealth
of real-time information service for passengers. It will improve the operational management, efficiency
and quality of service.
Now the Digital Broadcast
Television and WLAN
technology can not meet
the requirements of HighBandwidth services during
Restricting
The
development
of
Rail Transit
Informatization
the High-Speed movement
TD-LTE technology with High-Bandwidth, High Mobility, Seamless Handover performance.
It is one of the most mature and advanced communication technology, which will meet the
wireless communication requirements of the Rail Transit.
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The advantages of TD-LTE Technology
TD-LTE
WLAN
Public Band,
AntiInterference
Capability
Private Band, Low Interference ;
Inevitable External Interference；
Use ICIC ， IRC Anti-Interference Tech ，
Lack of Anti-Interference Tech
Solve the in-system interference problem
Throughput
Rate
At 10MHz bandwidth. Uplink and
In the actual project, using
downlink resources 1: 1, the downlink
20MHz bandwidth, downlink
peak is 20Mpbs and the uplink peak
peak is 15Mbps and uplink peak
reach to 8Mbps. Also the uplink and
is 2Mbps.
downlink rate are adjustable.
Mobility
With Anti-Frequency Shift algorithm, WLAN as a fixed wireless access
supports over 300Km/H movement, technology, mainly used in slow
fully meet the speed requirements of movements. No Anti-Frequency
Shift algorithm.
Urban Rail Transit.
Band Flexibility
Supports
1.4/3/5/10/15/20MHz Limited to 20MHz
network according to the requirements Bandwidth of 2.4G
Costs Of
Construction
And
Maintenance
Coverage
Distance
within the system；
Can use the Leaky Coaxial Cable
The output power of AP is so low
that we need to place an AP each
200 meters, so it is not suitable for
Leaky Coaxial Cable, also the
construction
is
difficult
and
maintenance costs will be high.
to connecting
world
Single RRUCommitted
can cover 1.2Km
in tunnels the
Single
AP 200m
International
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Union
LTE Wireless Communication System For Rail Transit
Control
Subsystem
Base Station
Subsystem
On Train
Subsystem
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Requirements Of
Rail Transit Wireless Communication System
Carriage
Video
Monitoring
（CCTV）
CBTC
Signal
System
Voice
Trunking
Service
Passenger
Information
System
(PIS)
Train
Operation
Monitoring
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Requirements Of Rail Transit Wireless Communication System
—— PIS Transmission
PIS Real-time
Broadcast System
PIS
System
PIS Record &
Broadcast System
To achieve the High-Bandwidth Real-time video transmission
between ground and train during the High-Speed movement.
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Requirements Of Rail Transit Wireless Communication System
—— Carriage Video Monitoring
Track
Monitoring
Train
Monitoring
Real-Time
Video
Monitoring
Driver
Monitoring
Platform
Monitoring
To achieve the bidirectional High-Bandwidth Real-time Carriage Video
Monitoring between ground and train during the High-Speed movement.
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Requirements Of Rail Transit Wireless Communication System
—— Train Operation Monitoring
Train Operation Monitoring: by using the Rail Transit wireless
communication system, it can uploaded the train Operation data to
the ground centers near real-time. It`s effectively support the
Maintenance Department manage the train databases.
To achieve a low rate Train to Ground data transmission in the
High-speed movement near real-time.
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Requirements Of Rail Transit Wireless Communication System
—— Voice Trunking Service
Voice Trunking Service: by using the Rail Transit wireless
communication system, The driver can use real-time voice communication
with the ground control center and accept emergency dispatch.
To achieve a low rate voice intercom and trunked dispatching in the
High-speed movement at real-time.
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Requirements Of Rail Transit Wireless Communication System
—— CBTC Signal System
CBTC Signal System: by using the Rail Transit wireless communication
system, it realize the bidirectional transmission of CBTC data between the
train and the ground, ensure the train operation safety.
To achieve a low rate\ high reliability bidirectional transmission in the
High-speed movement near real-time.
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Requirements Of Rail Transit Wireless
Communication System
Services
PIS Real-time Broadcast
PIS Record & Broadcast
Train Real-Time Video
Monitoring
（Train To Center）
Ground Real-Time
Video Monitoring
（Ground To Drive）
Direction Of
Data Flow
Ground
->Train
Ground
->Train
Train ->
Ground
Bandwidth
Needs
Real-Time
Requirement
Others
H
Real-Time
The underlying high
quality broadcast channel
（Downlink）
H
Non
Real-Time
The underlying multicast
channel
Real-Time
The underlying high
quality real-time data
channel
The underlying high
quality real-time data
channel
H
Ground
->Train
H
Real-Time
Train Operation Monitoring
Train ->
Ground
L
Public Internet On Train
Bidirectional
H
Quasi
Real-Time
Non
Real-Time
Voice Trunking Service
Bidirectional
L
Real-Time
Underlying dedicated
channel, Trunking-specific
signaling support
CBTC Signal System
Bidirectional
L
Real-Time
Underlying redundant
dedicated channel
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TD-LTE Based Five Applications Of The Rail Transit
Carriage
Video
Monitoring
（CCTV）
Passenger
Information
System
(PIS)
CBTC
Signal
System
Voice
Trunking
Service
TD-LTE
Based
Five
Applications
Of The Rail
Transit
Train
Operation
Monitoring
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The Innovation Of Industry Informatization
Innovation 1
Innovation 2
Innovation 3
Based on TD-LTE
technology, achieve
the high-bandwidth
transmission during
the High-speed
movement
By using Wireless Dispatch
Compensation Algorithm to
solve Handover and Time
Delay problems during the
High-speed movement, to
ensure the voice and video
transmission at real-time
By using one LTE
Wireless Network to
achieve several existing
Rail Transit network
functions, achieve the
Multi-network
integration, Multisystem integration and
Multi-service integration
Industry
Informatization
High Bandwidth
Industry
Informatization
High Mobility
Industry
Informatization
Multi-Network
Integration
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FiberHome Mature Commercial TD-LTE Products

Successfully developed the TD-LTE 1-channel, 2-channel, 8-channel base station.

Products passed the laboratory tests and field tests of MIIT.

In 2011, FiberHome join the construction of TD-LTE scale trial network in 6 cities
,finished the construction of the Guangzhou-scale TD-LTE trial network with 122 sites.

In 2012, FiberHome was responsible for Ningbo scale TD-LTE trial network
construction task.

In 2013 and 2014, Winning of China Telecom LTE tender ; Winning China Unicom LTE
tender ; Winning China Mobile LTE tender.
Distrib
uted
Base
Station
Integra
ted
Base
Station
Macro BBU
RRU
Guangzhou Trial
Network Project
Small Cell
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Publicly Display Of
Tender Results
International
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Union
The Experience
In Commercial Rail Systems Integration Projects
FiberHome Group has nearly 10 years of experience in the rail
transportation construction and project management.
• Rail Transit Line 1
• Rail Transit Line 2
• Rail Transit Line 4
Wuhan
Train
Operation
Monitoring
• Rail Transit Line 1
• Rail Transit Line 2
• Rail Transit Line 2
• Rail Transit Line 1
• Rail Transit Line 3
• Rail Transit Line 6
Chongqing
Live TV
PIS
Changsha
Video
Monitoring
Nanchang
Value-added
services
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Equipment
International
Maintenance
Telecommunication
Union
Wireless Industry Dream of FiberHome
Into the “Twelve Five”, FiberHome build Wireless Industrial Park with the international advanced
level of research、development and production, committed to
━ To be the best Wireless Communication Network Optimization Solutions provider
━ To be the mainstream provider of 3G / 4G wireless access services integrated solutions
━ Promote capital operation and internationalization strategy, to achieve the domestic leading and
international well-known level
Manufacturing Center
R&D Center
FiberHome
Staff Quarters
Production
Management Center
Staff Canteen
Wireless Industrial Park
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4th ITU Green
Standards Week
Thank you
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