LED light address emitter, vehicle networking system and electronic map drawing method

The invention discloses an LED light address emitter, a vehicle networking system and an electronic map drawing method. The LED light address emitter comprises a storer and an LED lamp. The vehicle networking system comprises the LED light address emitter, an LED light address receiver, a vehicle-mounted processing unit and a monitoring center. The electronic map drawing method comprises the steps of firstly drawing a base map, collecting real-time address signals of a plurality of automotive vehicles, and then drawing lane information and real-time vehicle position information on the basis of the base map according to the real-time address signals of each automotive vehicle. The vehicle networking system realizes the accurate positioning of automotive vehicles and the real-time and accurate monitoring of the monitoring center through the LED light address emitter, the LED light address receiver, the vehicle-mounted processing unit and the monitoring center as well as the connection relation thereof. The electronic map drawing method can be widely applied to the vehicle networking system.