research on the connected car hans-j. reumerman philips technology research laboratories aachen...
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Research on the Connected Car
Hans-J. ReumermanPhilips Technology Research Laboratories AachenConnectivity Systems
• Application• Industry relations• Technology & RWTH cooperation• Business Implications• Research Roadmap
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 2 /13
Connected Car applications • Safety
– Danger Warning– Cooperative sensing
• Road Tolling • Private &
Commercial• Logistics
• Traffic Management– Time, Space, Energy
resource efficiency
• Driver assistance– Real-time & local
info– Remote diagnosis
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 3 /13
Starting Point
Ad-
hoc
WLA
N
• USA: 5.9 GHz IEEE 802.11pDSRC Industry Cons.Field Trials 2007Nat. decision 2008
• Japan: Safety-cars incl. Car2car technology;VICS widely deployed
• Europe: eSafety Initiative; 5,8 Ghz discussed in ECC;Research projects
The first large scale "self org. ad-hoc networks" application?
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 4 /13
PREVENT 2004-2006Wireless Local Danger Warning - WILLWARN • based on car2car comm. and assists driver
by means of warning and foresighted information
• provides an electronic horizon
www.prevent-ip.org
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 5 /13
Car-2-Car Communication Consortium
• open for suppliers, research organisations and other partners
• different levels of membership
More Information: www.car-2-car.org
LastMileCom
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 6 /13
Preparing the Standards for the connected car• consolidates input from all major research
projects• prepares EU frequency allocation &
standardisation• initiates prototyping (2006) and field trials (2007)
Charter
Coreteam
IEEE 1609.x
802.11p
IEEE 1609.x
802.11p
ETSI TC 37
ETSI TC 37
ITU-R WP8A
ITU-R WP8A
ISO TC 204 (CALM)
ISO TC 204 (CALM) Network on Wheels
Cooperative Vehicle-
Infrastructure SystemsSafeSpot
(infrastructure based safety)
SEVECOM (wireless security)
PREVENT projects
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 7 /13
Philips Research Focus
Local Danger Warning
Local Danger Warning
Safety Comfort
802.11p MAC802.11p MAC
TCP/IP and geocast based applications
TCP/IP and geocast based applications
Security & privacySecurity & privacy
Multi-hop distr. MACMulti-hop distr. MAC
Appl/SessionHandling
Appl/SessionHandling
IEEE 1609
WIGWAM AP5802.11p+
Commun. Protocols & 802.11p Simulation; algorithms for car2car prototype
PREVENT/ WILLWARN
Generic VANET functions
Navigation++drive-thru paymentlocal map updatesmultihop-RSU, car2car
Focus: Single-hop, 1km range, road2car
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 8 /13
RWTH cooperation
Team: Lothar Stibor, Yunpeng Zang, Dr. Rokitansky
• Channel and mobility model integrated into WARP2 (SDL) simulator (world first 802.11p MAC simulator)
• Highway and rural intersection scenario simulations
• Congestion avoidance for broadband VANET using beaconing for scheduled TxOp's (VWMN)
• Congestion control for 802.11 compatible solutions
• IEEE 802.11p and IEEE 1609 contributions & IPR
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 9 /13
Simulated Scenarios• Average car density
– message forwarding algorithms
– Coverage of the zone of relevance
– Stability of neighbourhood relations
– Hello message repetition rate
• High vehicle speed
– Communication with oncoming traffic
• Low equipment rate scenario
– Determination of minimum necessary equipment rate
• Traffic jam
– congestion control algorithms
• Discarding of outdated warnings
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 10 /13
Crosslayer Congestion ControlMulti-layer solutions for congestion control
in safety and comform mixed scenarios
SME
Applications
Routing
MAC
PHY
· Slow start and immediate drop for comfort traffic
· Access priorities with separated queues, AIFS settings
· Channel usage evalution for reserving bandwidth for safety services
· Dedicated RF for safety services;· Special preamble for safety
message;
Channel · Spectrum regulation for dedicated safety frequency channel
· Cancelling multihop comfort traffic @Network layer· Freeze/flush non-safety queues @MAC layer· Cancelling ongoing non-safety transmission @PHY layer
Safety Related
Message
Vehiculardata
Environm.data
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 11 /13
12
34 3 4
Field Test
Evaluate User appreciation
Get Buy-in from telematics stakeholders
Simulation
IEEE 802.11p
How to transfer knowledge into money
Concept evaluation
Industry Sponsorssupervise & execute
Feedback &improvement
Worldwide Standardisation
Vehicular Ad-hoc Network Simulation
Philips Technology Research Laboratories Aachen, Apr 21, 2023 [email protected] 12 /13
Business Implications
• US tolling drives 802.11p roll out• Government/legislation needs successful
deployment before investing in infrastructure
• Low-penetration applications need large coverage or municipal Wi-Fi
• Connected Car competes with Connected Driver (TomTom plus OBD2 via Bluetooth)
• Proven Security/Privacy solution is a Must
