Patent ID: 8890712
Filing Date: 2014-11-18
Classification: B60R,G08G

Abstract:
1. A collision warning system for a motor vehicle comprising: at least one sensor for providing information associated with a plurality of operating conditions of the motor vehicle; a driver vehicle interface configured to provide information to a driver of the motor vehicle; a DSRC antenna configured to transmit and receive information between one or more vehicles via a vehicle communication network; an electronic control unit (ECU) comprising at least one processor, the ECU being in communication with the at least one sensor, the driver vehicle interface, and the DSRC antenna, wherein the ECU is configured to operate the collision warning system in multiple alert modes by performing the steps of: receiving information related to a target vehicle from the DSRC antenna; determining if the target vehicle is in a line of sight of the motor vehicle; operating the collision warning system in a normal alert mode when the target vehicle is in the line of sight of the motor vehicle; operating the collision warning system in an enhanced alert mode when the target vehicle is not in the line of sight of the motor vehicle, wherein the normal alert mode is different than the enhanced alert mode; wherein when the ECU is operating the collision warning system in the normal alert mode, the ECU is further configured to: calculate a threat level, the threat level being associated with a threat of collision between the motor vehicle and the target vehicle and wherein the threat level is associated with a first threat level and a second threat level that is higher than the first threat level; issue a warning alert on the driver vehicle interface when the threat level is the second threat level; and issue no alert when the threat level is the first threat level.