By: Diana Ornelas

A LAN that is inside & around the vehicle

Is a branch under VANET 4 types of communication:

Vehicle-to-vehicle Intra-vehicularVehicle-to-broadband cloudVehicle-to-roadside

Each year in the U.S. there are:43,000+ deaths

Each day in the U.S. there are:16,000+ crashes

Data exchangeRoad conditions

WarningsEnough space between carsUnstable movement of cars

I was just in a

car crash Ouch

I just passed a car crash

I now know there is a car crash

ahead

GPS Sensors

SpeedTire pressureFatigue detection

Audio Video

GPS and Media

Driver Drowsiness Detection

Speed Limit Detection

Driver behaviorFatigue

Vehicle dataLocationSpeed

3G/4G3G/4G Roadside BoxRoadside Box

Connect via smart phone or

802.11p

Get Music, Maps, Traffic, Weather, or Other Cloud

Services

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

Roadside BoxRoadside Box

Speed Limit, Traffic, Weather, and Emergency

Services

Monitor and Report Vehicle

Spacing

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

VANETUses certified public keys called

pseudonymsEach vehicle has several pseudonymsEach pseudonym has an expiration date

Main concern is Sybil AttackMalicious vehicle can act as many vehicles

Privacy Preserving Detection of Abuses of Pseudonyms

Multi-hop Uses roadside boxes to monitor

communication Roadside boxes connect to DMV

P2DAP defends against 3 types of attacks:Attacker announces false informationAttacker acts as many vehiclesAttacker hacks roadside box

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