Download presentation
Presentation is loading. Please wait.
1
VII System Architecture
Ron Heft Nissan Technical Center North America
2
Overview Where we Stand System architecture and components
Onboard Equipment (OBE) Roadside Equipment (RSE) Backside message switch Use case / data flow examples Traffic probe data (V–I center) Intersection signal violation warning (I local–V)
3
Where We Stand Architecture and Technology Committee
Co-Chaired by: George Gilhooley, Florida DOT Ron Heft, Nissan Initial Architecture Subject to change Feasibility and Functional testing planned
4
System Picture Vehicle Side Road Side Back Side End User Driver
Vehicle and Road Data OBE RSE DSRC Roadside Road Data DSRC Vehicle-to-Vehicle Infrastructure Data System Vehicle Side Road Side Back Side
5
System Block Diagram Driver End User Vehicle Data Driver HMI
Subscriber Applications Onboard Equipment Message Switch 5.9 DSRC Roadside Equipment
6
The Onboard Equipment DSRC Antenna GPS Antenna HMI Devices DSRC
Transceiver GPS Receiver HMI Devices Interface Application Processor Chassis Body Devices Vehicle Services Interface CAN
7
The Roadside Equipment
DSRC Antenna GPS Antenna DSRC Transceiver GPS Receiver Backhaul Communications Interface RSU Application Processor Local Controller Interface Signal Controller
8
Backside Message Switch
Private Services Backhaul Communications Interface Vehicle Proxy Server IPv6 Router Public Subscriber Applications AID Message Agent
9
Privacy and Security No permanent public identifier in the OBE
Encrypted communications between RSE and OBE Licensed transmitters Both RSE and OBE No message retention in the system Authenticated sources for all messages Authorized end users
10
Example Traffic Probe Data
End User Vehicle Data Vehicle CAN Bus and GPS User Access Application SAE/AASHTO DSRC Probe Message Subscriber Applications OBE Message Switch Application Database 5.9 DSRC RSE
11
Example Intersection Signal Violation Warning
Driver Intersection Controller Violation Alert Driver HMI SAE/AASHTO Signal Phase Message Vehicle Data Signal Controller State OBE RSE 5.9 DSRC ISVW RSE Application ISVW OBE Application
12
Summary Initial architecture framework Meets use cases
Flexible applications support Addresses security and privacy Low demand on backside technologies Driver End User Vehicle Data Driver HMI Subscriber Applications Onboard Unit Message Switch 5.9 DSRC Roadside Unit
Similar presentations
