| 摘要 |
Device, system and method, in a vehicle communication system, to transmit wirelessly the position, heading and speed of a vehicle or other moving object. In a key embodiment the vehicle is other than the transmitting vehicle. Some embodiment use local sensors on a first vehicle, such as cameras, sonar, radar or LIDAR to identify the relative position, heading and speed of a second vehicle relative to the first, transmitting, vehicle. An embodiment uses the location of the vehicle whose information is being transmitted as the identification of the same vehicle. Embodiments also receive these messages. Embodiments use this information as warning and safety information to avoid or minimize vehicle collisions. A unique feature of some embodiments is that the messages are free of IP and MAC addresses.
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