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Satellite Communication for Intelligent Transport Systems
(ITS)
Dr. Yanying Li
ERTICO– ITS Europe
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Contents
• Introduction to ITS• Location based services• Communication in ITS• Satellite communication• Applications of satcom in ITS• Summary and Conclusion
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Introduction to ITS
What is ITS?
Intelligent Transport Systems – is the integration of information and communications technology with transport infrastructure, vehicles and users.
By sharing information, ITS allows people to get more from transport networks, in greater safety, efficiency, security and with less impact on the environment.
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Introduction to ITS
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Introduction to ITSITS for SafetyMore than 40,000 people die on Europe’s roads each year, costing €200
billion.• ITS can detect hazards on the road ahead and inform drivers before they
are visible; • ITS keep vehicles at a safe distance from one another• ITS inform drivers of the local conditions by constant communication and
information exchange between vehicles and the infrastructure
ITS can save lives and reduce the congestion caused by accidents.
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Introduction to ITSITS for EfficiencyCongestion costs the EU 1% of its GDP – around €100 billion – each year.• With funding and space for large-scale road building becoming
increasingly scarce, ITS is the solutions to ease congestion. • Dynamic traffic signal control, advanced incident detection and variable
message sign systems are already being used across Europe.• ITS deliver to vehicles real-time traffic information to enable on-board
navigation systems to decide the optimum route.
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Introduction to ITSITS for Efficiency• ITS give public transport users real-time service information, and
smart and seamless ticketing. • ITS enable freight operators and customs authorities to share
information and provide information on the most efficient routes.
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Introduction to ITS
ITS for Personal Safety and Public Security
• ITS provide vehicle anti-theft systems to prevent vehicles from being stolen or quickly recover stolen vehicles.
• Intelligent Vision Systems can automatically spot suspicious behaviour at transport hubs and in public transport
• Automatic tracking and alarm systems can speed the response to threats.
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Introduction to ITSITS for EnvironmentTransport accounts for 30% of total energy consumption in the EU.• The vast majority of this energy is still consumed by road transport.• ITS can improve the efficiency of passenger and goods transport
and ease congestion on the network, reducing greenhouse emissions and air pollution.
• ITS can increase quality and comfort level of public transport to encourage use of public transport and cut use of private cars.
• ITS can enable drivers and vehicles to operate more efficiently.
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Location based ServicesSatellite navigation plays an important role in
many ITS services
Knowing positioning of vehicles, cargos and travellers• Navigation for vehicles and pedestrians• Satellite navigation for fleet management• Satellite navigation for traveller information (positioning-based
information)• Satellite navigation for traffic data collection
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Location based Services
Navigation for vehicles and pedestrians
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Location based ServicesSatellite Navigation for traffic data collection: Floating vehicle data
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Location based Services
Vehicle tracking and monitoring: eCall
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Location based Services
Anti-theft Systems
• Automatically report a vehicle being stolen
• Continuously report positioning of the vehicle
• Might be able to remotely slow or stop the vehicle
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Communication in ITSNavigation & Communication
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Communication in ITS• The majority of ITS applications and services require one
or two way communication.• Currently the communication relies on terrestrial
network: – Radio broadcasting– GSM/ GPRS– WiFi/ WiMAX
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Communication in ITSRadio Broadcasting: RDS-TMC
Each traffic incident is sent as a Traffic Message. One message consists of time, an event code and a location code. The message is coded according to the standard which can be translated by a TMC receiver into the language of the user. The source of traffic information is typically police, traffic cameras, loops, floating vehicle data and others.
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Communication in ITSGSM/GPRS: German HGV road user charging
• Distance-based toll for all trucks of 12 tonnes and over• 700m investment• Complex system but without disruption of traffic• OBU for positioning, monitoring and billing• GSM is used to authorise payment• Infrared DSRC for enforcement
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Communication in ITS• Communication plays an important role in ITS• Currently communication relies on terrestrial
communication only. • Alternative communication solution?
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Satellite Communication
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Application of Satcom in ITS
23
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Application of Satellite Communication in ITS
Application of Satellite Communication in US
• Receiving traffic information via satellite radio• Vehicle Tracking• Automatic Crash Response• Remote Vehicle Diagnostics
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Application of Satellite Communication in ITS
In Europe:
• Satcom is not yet deployed in ITS• This is no satellite radio broadcasting• Benefits have not been fully understood• Cost is the main concern• Still in research stage
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Applications of Satcom in ITS
Satcoms in support of transport on European roads
• FP6 Project• SISTER is to establish how satellite communications can be used as
part of the operational implementation of ITS applications.• SISTER does not perform research into the development of NEW
applications but will investigate how the operation of satellite affects the operation of such services.
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Application of Satcom in ITS
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Application of Satcom in ITS
Demonstration
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Application of Satcom in ITS
Satellite communications• Satellite Data Broadcasting (SDB): One way communication• Satellite Narrow-band Data (SND): two way communication
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Application of Satcom in ITS
Receiver
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Application of Satcom in ITS
System Architecture
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Application of Satcom in ITS
eCall• Why satellite?• GSM geographical coverage of 95% of Swedish population• Only 60-70% of Sweden• Severe winter• Low density
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Application of Satcom in ITS
eCall
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Application of Satcom in ITS
eCall
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Application of Satcom in ITS
Satellite Data Broadcasting Service
Telematics Service Center
CarsOEM
& Local
Authorised Dealer
Telematic System
Integrator
Fleet
Navigation Device
Provider
OBU provider(s)
Communication Agent / Provider
Sat Com
Back Office
Component
ProviderSystem
Integrator
Content Provider Content Aggregator
Communication Agent/Provider
Customer Relation OEM
System Overview: Satellite Data Broadcasting Service
Public Transport
Communication Device Provider(s) Content
Provider and Aggregator
Con
tent
Pro
vide
r
Map
Traffic / Weather
RTK
Auth.
POI
Content Aggregator
SISTER SERVICE OPERATION
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Application of Satcom in ITS
SDB: Map Updating User Case
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Application of Satcom in ITS
Benefits
• Coverage• Back-up to terrestrial network• Enhanced quality of services• Chapter for mass data broadcasting• Chapter for mass data transmission (two-way)• Easy to deploy
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Application of Satcom in ITS
Issues
• Cost• Limited Service Providers/ Operators• Limited Capacity• Lack of Standards• Lack of Awareness
More research and investment are needed!
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Summary and ConclusionContents• Introduction to ITS• Positioning in ITS• Communication in ITS• Satellite communication• Application of satellite communication in ITS
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Summary and ConclusionIntroduction to ITS• Concept of ITS• ITS for safety• ITS for efficiency• ITS for security• ITS for environment
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Summary and ConclusionPositioning based Servcies• Importance of Positiong in ITS• Navigation• Vehicle tracking • Examples
– Floating Car Data– eCall– Anti-theft system
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Summary and ConclusionCommunication in Location Based Services• Mainly replies on terrestrial network • Radio Broadcasting• GSM/GPRS• WiFi/WiMax
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Summary and ConclusionSatellite communication• Introduction to satellite communication • Current systems• Current applications
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Summary and ConclusionApplication of satellite communication in ITS• Advantages of application of satcom• Current applications in US and European• The SISTER project
– Narrow-band Data Transmission: eCall– Satellite Data Broadcasting: Map Updating
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Summary and ConclusionConclusion
• ITS is the solution to many problems• Satellite positioning plays an important role in ITS• Many ITS applications and services require one-way or two
way communications• Currently communication in ITS relied on terrestrial network
only in Europe• It is essential to introduce satellite communication in ITS• More research and investment are needed
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Thank you!
More information about ERTICO at:www.ertico.com
More information about SISTER at:www.sister-project.org
My email:[email protected]