A SYSTEM AND METHODS THEREOF USING GNSS SIGNALS AND REFLECTIONS THEREOF TO ALERT OF POTENTIAL COLLISION BETWEEN MOVING OBJECTS

摘要

In today's environment where multiple vehicles are roaming the roads, the risk of being involved in an accident has increased. Safety precautions installed in cars, reduce the impact on the passengers; however, a better way to mitigate risk is to provide collision alerts and avoidance. Accordingly, a system is installed in a vehicle comprising a first antenna, the first antenna receiving signals from one or more global navigation satellite system (GNSS) satellites to determine the attitude, e.g., velocity and direction, of the vehicle, which may include Doppler shift and pseudo-range (based on code or phase) determinations. A second antenna receives signals from the GNSS satellites deflected from another vehicle. Respective of the signals received, a determination whether the two vehicles are in a collision path is made, and providing a respective alert or action. In one embodiment, a digital map is further used to more accurately make the collision determination.