1. Electrical and Computer Engineering 10/19/06 DSRC Accident Warning System at Intersection Richa Prasad ● Raza Kanjee ● Hui Zhu ● Thai Nguyen Professor Prishro-Nik Advisor, Assistant Professor, ECE Professor Ni Advisor, Assistant Professor, CEE Team Pishro-Nik & Ni

2. 2 Electrical and Computer Engineering 10/19/06 Background These situations at intersections represent about: 65% of injury accidents 70% of fatal accidents Annual fatality rate > 40,000 for more than 30 years © PReVENT

3. 3 Electrical and Computer Engineering 10/19/06 Design VII DSRC Vehicle Infrastructure Integration Entertainment Safety Traffic Routing Weather Tutor Dedicated Short Range Communication 5.9 GHz Frequency Band Allocated for VII IEEE Standard: 802.11p Path Suggestion Speed Suggestion Pedestrian Warning Traffic Management © PReVENT

4. 4 Electrical and Computer Engineering 10/19/06 Deliverables RSU is warned of traffic light turning red Message sent to red car asking for speed and position OBU sends back speed and location RSU calculates whether red car will run red light If yes, blue car warned 1 2 3 4 GOALS Real-life demonstration Running light warning only Simulation of two cars Technical Documentation © PReVENT

5. 5 Electrical and Computer Engineering 10/19/06 Principle of Operation

6. 6 Electrical and Computer Engineering 10/19/06 Input/Output RS232 Serial Port OBUOBU INPUT Speeding CarWaiting Car OUTPUT

7. 7 Electrical and Computer Engineering 10/19/06 Acceptance Test Successful one speeding car demonstration Successful warning of car running red light Successful real-life demonstration

8. 8 Electrical and Computer Engineering 10/19/06 Product Cost

9. 9 Electrical and Computer Engineering 10/19/06 Design Alternatives Laser Sensors Video Camera RFID Detection Speed Gun GPS Alternatives Bridge Transceiver Alternative Microcontroller Laptop Alternative Expansion of Project Beyond Scope Not accurate No location Too expensive

10. 10 Electrical and Computer Engineering 10/19/06 Proposed MDR Specifications AimAcceptability Test Transceiver Set-UpRandom information successfully transmitted and received Traffic LightSuccessfully simulates a traffic light. Implemented on a microcontroller GPS-Laptop CommunicationSpeed and location of car successfully sent to OBU laptop

11. 11 Electrical and Computer Engineering 10/19/06 Proposed MDR Specifications Approach Challenges GPS - Serial Port Communication Protocol - Learn NMEA Data Protocol Transceiver - Serial Port Communication Protocol - Learn TCP/IP Traffic Light - Microcontroller Programming