by: diana ornelas. a lan that is inside & around the vehicle is a branch under vanet 4 types...
Post on 31-Dec-2015
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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
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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