CACC User Needs (1)
101
User
Type
User Need
Description
1
Vehicle/Vehicle Operator
Need the vehicle to be connected wirelessly to other vehicles to enable the Q-WARN Application
Vehicles should be wirelessly connected using Connected Vehicle or other conventional wireless technologies
2
Vehicle/Vehicle Operator
Need to obtain specific vehicle information in real time from the vehicle or in-vehicle wireless devices
Information such as vehicle speed, acceleration, deceleration, braking, braking speed, fault warnings and other parameters associated with CACC should be obtained from the vehicles
3
Vehicle/Vehicle Operator
Need information on impending downstream traffic conditions that can be utilized by the CACC application
Sudden slowing conditions or other factors can be obtained from other vehicles or other sensors systems to help alert in activate the CACC application
4
Vehicles
Need to provide alerts, alarms and controls from vehicle to vehicle so appropriate CACC safety adjustments can be made
To enable real-time CACC, communication with other nearby vehicles on the roadway will be required to disseminate information in the form of alerts, alarms, controls to reduce vehicle gaps, perform braking alerts, reduce shockwaves and shockwave speeds, improve reaction times, etc.