Vehicular area networks

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Vehicular area networks

• By Diana Ornelas

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What is it?

• A LAN that is inside around the vehicle
• Is a branch under VANET
• 4 types of communication
• Vehicle-to-vehicle
• Intra-vehicular
• Vehicle-to-broadband cloud
• Vehicle-to-roadside

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Why is it important?

• Each year in the U.S. there are
• 43,000 deaths
• Each day in the U.S. there are
• 16,000 crashes

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Vehicle-to-vehicle communication

• Data exchange
• Road conditions
• Warnings
• Enough space between cars
• Unstable movement of cars

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Vehicle to Vehicle Communication
I was just in a car crash
Ouch
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Vehicle to Vehicle Communication
I now know there is a car crash ahead
I just passed a car crash
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Intra-vehicular communication

• GPS
• Sensors
• Speed
• Tire pressure
• Fatigue detection
• Audio
• Video

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Intra-Vehicle Communication
GPS and Media
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Intra-Vehicle Communication
Driver Drowsiness Detection
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Intra-Vehicle Communication
Speed Limit Detection
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Vehicle-to-broadband cloud communication

• Driver behavior
• Fatigue
• Vehicle data
• Location
• Speed

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Vehicle to Broad Band Cloud Communication
Get Music, Maps, Traffic, Weather, or Other Cloud
Services
Connect via smart phone or 802.11p
3G/4G
Roadside Box
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Vehicle-to-roadside communication

• Obstacle and pedestrian detection
• Road surface condition detection
• Road signal detection
• Advertisement

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Vehicle-to-Roadside Communication
Speed Limit, Traffic, Weather, and Emergency
Services
Monitor and Report Vehicle Spacing
Roadside Box
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Vehicle safety automation

• OnStar collision
• Automatic braking
• Adaptive cruise control
• Vehicle navigation
• Traffic Monitoring Cameras

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security

• VANET
• Uses certified public keys called pseudonyms
• Each vehicle has several pseudonyms
• Each pseudonym has an expiration date
• Main concern is Sybil Attack
• Malicious vehicle can act as many vehicles

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P2dap

• Privacy Preserving Detection of Abuses of
  Pseudonyms
• Multi-hop
• Uses roadside boxes to monitor communication
• Roadside boxes connect to DMV

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P2dap

• P2DAP defends against 3 types of attacks
• Attacker announces false information
• Attacker acts as many vehicles
• Attacker hacks roadside box

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Questions???

• ?