Patent ID: 9401090
Filing Date: 2016-07-26
CPC Classification: G08G

Claim Text:
1. A method for operating a collision avoidance system of a first vehicle that utilizes a short to medium range communications within a a short to medium range communication system, the method comprising the steps of: operating the collision avoidance system at a first system power level within the a short to medium range communication system under low collision risk conditions; wherein the step of operating the collision avoidance system at the first system power level comprises transmitting a signal with the at a first transmission power level from the first vehicle that is configured to be received at a second vehicle to establish a vehicle-to vehicle communication link; determining if the first vehicle is approaching a location of increased collision risk, wherein the increased collision risk location comprises at least one of a traffic control device and a non-line of sight intersection; increasing the first system power level to a second system power level within the a short to medium range communication system when the first vehicle is approaching the location of increased collision risk, wherein the second system power level is greater than the first system power level; transmitting a signal with the at a second transmission power level from the first vehicle that is configured to be received at the second vehicle to establish a vehicle-to vehicle communication link, wherein the second transmission power level is greater than the first transmission power level; decreasing the second system power level back to the first system power level within the a short to medium range communication system when the first vehicle has passed through the location of increased collision risk; receiving communications within the a short to medium range communication system using a single antenna under low collision risk conditions; determining if the first vehicle is approaching a location of increased collision risk; and receiving communications within the short to medium range communication system using an antenna diversity technique when the first vehicle is approaching the location of increased collision risk.