applications supported by next-generation 5.9 ghz dsrc · u.s. dot (recently) requested…....
TRANSCRIPT
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Applications Supported by
Next-Generation 5.9 GHz DSRC
ITS World Congress – SS20Madrid, Spain
November 18, 2003Dick Schnacke
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Topics:
1) What is 5.9 GHz DSRC ?
2) What’s leading the drive to it ?
3) How & When Will it Come ?
4) The Applications
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5.9 GHz –
What is it?
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5.9 GHz – What Is It ?
The Next Generation of Vehicular Communication
Transmission Range increases 2 orders of magnitude
From 10 meters to 1000 meters
Transmission Rate increases 2 orders of magnitude
From 0.25 Mbps to 25 Mbps
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5.9 GHz – What Is It ?
The Next Generation of Vehicular Communication
Primary band allocation
Tailored to the hi-speed mobile environment
Near-instant access
Application prioritization
Dynamic frequency control
Dynamic power control
‘Bulletproof’ security
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Solution Elements
SAP
MAC Extension IEEE 1609.04
Network Layer IEEE 1609.3
SAP
Logical Link Layer (LLC)IEEE 802.2
SAP
Upper LayerManager
IEEE 1609.02
SAP
Transportation Layer (UDP/TCP)
SAP Application Service IEEE 1609.2
SAP
SAP
SAP
Physical & MAC layer ASTM E2213-02
Lower layer
Manager
IEEE 1609.4
SAP
SAPNetwork Layer
ManagerIEEE 1609.3
Resource ManagerIEEE 1609.1
DSRC App #1
SAP
SAP
SAP
SAP
DSRC App #2
Software Hardware
Developmentboard
uprocessor
Operatingsystem
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5.9 GHz DSRC Band Plan
Ch 172 Ch 174 Ch 176 Ch 178 Ch 180 Ch 182 Ch 184
Optional 20 MHz Optional 20 MHz
Ch 172 Ch 174 Ch 176 Ch 178 Ch 180 Ch 182 Ch 184
Optional 20 MHz Optional 20 MHz
US and potential Mexican DSRC allocation
Proposed Canadian DSRC Allocation
Control Channel
Service Channel
Vehicle to vehicle
Primarily public safety high power applications
Canadian Special license zone
5.85
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Frequency (GHz)
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5.9 GHz –
Why the Push to it?
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5.9 GHz – Primary Incentive
Safety is the primary catalyst
1960s – safety goal led to the seatbeltSurvive the crash
1980s – safety goal led to the airbagSurvive a worse crash
2000s – another goal ?
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5.9 GHz – Primary Incentive
U.S.Congress – 10 year goal to reduce fatalities (50%)DOT & automakers charged to make it happenStudies are done – results are inAnswer is NOT simply to PROTECT people better in a crashAnswer is to ELIMINATE the crashThe key is situational awareness, and….
DSRC is a key enabling technology to achieve it
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How?
Know what’s around youOther vehiclesRoad conditionsWeather conditions
Awareness of anomaliesCars moving unexpectedly toward youUnseen hazardsSwiftly occurring changes
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What’s needed?
SensingReliable, high-performance communications
Vehicle-to-roadsideVehicle-to-vehicle
Having:Longer communication rangesHigher data capacitiesFaster access timesPriority management
5.9 GHz ‘next-generation’ DSRC has appeared to fill the needed role
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And There Are Commercial Aspects…..
New applications = new business opportunities
New opportunities = real interest in many industry areas
ManufacturersSystem integratorsService / content suppliers
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5.9 GHz –
How / When?
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5.9 GHz Developments
Concept born more than 5 years agoSporadic progress made over past 4-5 years (mostly related to standards)
No guiding lightNo real sponsorNo killer business modelNo sugar daddy
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U.S. DOT (Recently) Requested….Fast-paced prototype development program for 5.9 GHz DSRC
Industry drivenShared-cost, but heavily funded up front by DOT
Goals:Prove the standardsProvide standard-compliant operational hardware for the vehicle OEMsPerform testing to confirm vitality of the hardware, reasonableness of certain safety applications, and system acceptance by vehicle usersProvide a launching pad for industry
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Schedule
Nov
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Task 1: Completion of standards
Phase 1
Task 2: Development of system design
Task 3: Development of prototypeequipment
Hardware
Software
Task 4: Evaluation testing
Phase 2
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Vehicle OEMs are Onboard
Continued application testingBuildup of ‘improved’ (but not fully compliant) test units to gain confidence and improve test results
Needed by May 2004Prototype development units coming ‘too late’
Working toward ‘livable antenna configurations’Trying to marry implementation needs with typical OEM product implementation timelines
Best guess now: 2008/2009 model year
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5.9 GHz –
The Applications?
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Present-day ‘Old’ Technology Supports….Roughly 10 Applications:
Electronic tollingTraffic managementParking paymentsCertain e-commerce (m-commerce)Commercial vehicle weigh-station bypassElectronic border clearance Fleet managementAccess controlFew others
Limited by basic nature of the technology
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Some Potential DSRC Applications
ACCESS POINT OPERATIONS ACCESS CONTROL
TRAFFIC MANAGEMENTPROBE DATA COLLECTIONTRAFFIC INFORMATIONTRAVELLER INFORMATIONHIGHWAY/RAIL INTERSECTION WARNING IN-VEHICLE SIGNING (numerous)
TRAFFIC SIGNAL INTERFACEINTERSECTION COLLISION AVOIDANCEEMERGENCY VEHICLE SIGNAL PREEMPTIONTRANSIT VEHICLE SIGNAL PRIORITY
ELECTRONIC PAYMENT (In-motion)TOLL COLLECTIONPARKING PAYMENTRENTAL CAR PROCESSING
ELECTRONIC PAYMENT (Stationary)FUELFAST FOODOTHER (numerous)
INFORMATION TRANSFERMAP UPDATESINTERNET ACCESSENTERTAINMENT (numerous)
VEHICLE REGISTRATION
PUBLIC SAFETYSAFETY WARNINGS (numerous)VEHICLE-TO-VEHICLE DATA TRANSFER
COMMERCIAL VEHICLE OPERATIONS (In-motion)
ROLLOVER WARNINGWEIGH-STATION BYPASS CLEARANCEBORDER CLEARANCEON-BOARD SAFETY DATA TRANSFERCVO FLEET MANAGEMENTTRACTOR - TRAILER INTERFACE
COMMERCIAL VEHICLE OPERATIONS (Stationary)
DRIVER’S DAILY LOGVEHICLE SAFETY INSPECTIONTRACTOR-TRAILER MATCHING
TRANSIT DATA TRANSFER TRANSIT VEHICLE DATA TRANSFERTRANSIT VEHICLE REFUELING
MAINTENANCEREPAIR SERVICE RECORDDIAGNOSTIC DATA TRANSFERVEHICLE SOFTWARE UPDATES
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5.9 GHz Application Types
Vehicular Safety: 50 - 60 applicationsPublic Safety: 10 - 15 applicationsOther – approximately 40 applications
Tolling / Traffic managementOther payment systemse-commerceFleet / CVO Everything else
TOTAL: up to 125 applications presently defined
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Vehicle Safety Applications - RSU -> OBU
Enhanced route guidance and navigation Point of interest notification Map downloads and updates GPS correction Curve speed warning Highway/rail collision warning Adaptive headlight aiming Adaptive drivetrainmanagement Merge assistant Pedestrian crossing information Pedestrian/children warning
School zone warning Animal crossing zone information Sign information - dips, rough road Low parking structure warning 'Keep clear' warning Wrong-way driver warning Low Bridge Warning Work Zone Warning Left turn assistant Stop sign movement assistanceInfrastructure Intersection Collision WarningTraffic Signal WarningStop Sign Warning
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Vehicle Safety Applications - OBU -> RSU
Emergency Vehicle Signal PreemptionIntelligent on-ramp meteringIntelligent traffic lights Infrastructure based traffic management - probes SOS services Post-crash warning Just-in-time repair notificationBlind merge warning
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Vehicle Safety Applications - OBU -> OBU
Merge assistant Blind merge warningHighway/rail collision warning Pre-crash sensing Cooperative glare reduction Instant problem messaging Vehicle-based road condition warning Vehicle-to-vehicle road feature notification Curve speed warning Electronic brake lights Enhanced differential GPS corrections Vehicle-to-vehicle intersection collision warning
Lane change assistantBlind spot warningPost-crash warningVisibility Enhancer Cooperative collision warning Cooperative vehicle-highway automation system (platooning) Approaching emergency vehicle warning Cooperative adaptive cruise control Approaching emergency vehicle warning Hybrid intersection collision warningLeft turn assistantStop sign movement assistance
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Public Safety Applications
Emergency Vehicle Signal PreemptionVehicle-to-Vehicle Data TransferApproaching Ambulance, Police Car, Fire TruckVideo LinksSafety Warnings (numerous)Others
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‘Everything Else’ Applications
All the ‘old’ applicationsCongestion alert – perhaps in time to exitDistance to next exit or toll pointToll amount at next toll pointAccount balanceDistance to rest area / service areaServices available at service areaMap databasesNews, music, etc.Mobile internet
Traveler InformationRental car operationsRepair service recordsDiagnostic data transferVehicle software updatesSafety inspectionsDrivers daily logsTractor-trailer communicationsTractor-trailer matchingTransit vehicle data transferTransit vehicle fuel management
And many more
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Many Safety Applications are Warnings
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HIGHWAY/RAIL INTERSECTION WARNING
5.9 GHz DSRC
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5.9 GHz DSRCNARROW BRIDGE - WARNING SIGN
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NARROW BRIDGE - WARNING SIGN + DSRC BEACON
Warning Sign and Beacon
90 m (300 ft) range
NARROW BRIDGE
5.9 GHz DSRC
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“Icy Bridge Ahead” Warning
ROAD CONDITION WARNING
Median
up to 1000 ft range
Multi-App Beacon
Road Condition Warning Com. Zone
Road Sensor Station
BRIDGE
ICE
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“Work Zone Ahead” Warning
WORK ZONE WARNING
Divider
up to 1000 ft range
Work Zone
Traffic Cones
Work Zone Warning Communication Zone
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“Roadway Impediment Ahead” Warning
Grass Divider
up to 1000 ft range
EMERGENCY VEHICLE WARNING
Stopped Emergency Vehicle Warning Com. Zone
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Divider
Stopped VehicleTransmitting
VEHICLE TO VEHICLE COLLISION AVOIDANCE - STOPPED VEH. WARNING
Stopped Vehicle Warning Com. Zone
Stopped Vehicle Warning message sent every 50 ms to a range of 1100 ft. when the stopping vehicle’s brakes are applied and its speed drops 20 mph below the speed limit of the road or its speed drops below 5 mph.
VEHICLE
AHEAD
STOPPED
In-Vehicle Display and Annunciation
1100 ft range
5.9 GHz DSRC
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Fueling & Info-Fueling Near the Tollroad
IN-VEHICLE SIGNING, PROBE DATA COLLECTION, TRAFFIC INFORMATION,
Multi-App Beacon
Grass Divider
up to 1000 ft range
Probe Data Collectionand
Traffic Information
Multi-App Beacon
In-vehicle Signing
GAS PAYMENT and Data Transfer
Gas Pumps
Data Transfer Beacon Fueling Beacon
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~ ~
Traffic Signals
EMERGENGY VEHICLE SIGNAL PREEMPTION
RSU located in center of intersection
Emergency Vehicle
up to 1000 m
~ ~~ ~
5.9 GHz DSRC
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Traffic Signal
TRANSIT SIGNAL PRIORITY, PREEMPTION, and COLLISION AVOIDANCE
Beacon located in center of intersection
Emergency Vehicle Signal Preemption
Collision Avoidance
Transit Signal Priority
Transit Vehicle
5.9 GHz DSRC
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CVO - Centric Applications
LOW BRIDGE WARNING and ROLL OVER WARNING
Beacon in the curve warning sign
Truck receives curve parameters from beacon in the curve warning sign. On-board computer calculates proper speed for the vehicle’s loading and warns driver if rollover is indicated.
Beacon transmitting Bridge Clearance or Warning Information
gantry
Truck being measured from the gantry and receiving clearance info for overpass ahead
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Cooperative Vehicle Operations
Entering!
Braking!
Curve50 mph
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Mobile Networks Include the Roadside
Cooperative route planningCooperative accident avoidancePropagation of data
WeatherTrafficNewsEntertainment (audio, MP3 file download)
DSRCBeacon
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Cooperative Crash Avoidance (1)
Each vehicle sends its location, speed and direction routinely to neighboring vehicles
10 times per second
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VEHICLE TO VEHICLE COLLISION AVOIDANCE – ROUTINE MESSAGING
Divider
Routine position, speed, direction messages
5.9 GHz DSRC
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Cooperative Crash Avoidance (2)
Vehicles compare received vehicle information with like information from own vehicleFirst evidence of possible collision results in driver warnings
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Divider
Routine position, speed, direction messages
Stopping message
VEHICLE
STOPPING
CAUTION
In-Vehicle Display and Annunciation
.
.
.
VEHICLE TO VEHICLE COLLISION AVOIDANCE - STOPPING VEH. WARNING
5.9 GHz DSRC
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Cooperative Crash Avoidance (3)
If collision becomes unavoidable, vehicles trade lots of information in the final milliseconds to better protect occupants
Info: weight, vehicle characteristics & capabilities
Vehicles now know all about the crash BEFORE IT HAPPENS
What’s going to hit me?Where will it hit me?How much energy will be in the collision?Do our bumpers line up?
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Cooperative Crash Avoidance (4)
Knowing this information, numerous protective measures can be considered
‘Last-moment’ steering or braking operationsPre-tensioning seatbeltsRe-positioning bumpers to better line up and/or absorb more energyDeploying airbags in a customized way to best protect in THIS PARTICULAR CRASHEtc.
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Toll Collection – Plaza Zones
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Gas Station – Zones Within Zones
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Summary5.9 GHz DSRC developments are acceleratingBoth safety initiatives and business opportunities are providing incentiveMoney is starting to flow into developmentAutomakers are supporting the programMany new applications will be enabled2004 will be a pivotal year in these developments
For more information:Dick [email protected]
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