[WapCar] OTA (Over the Air Technology) that is over the air download technology, automatically download upgrade packages and upgrade automatically through network. The application of OTA technology makes mobile communication not only can provide voice and data services, but also can provide new service downloads, which is a faster wireless technology. Its focus on solving the problem of space distance, that is, the users no longer need to drive the car to a 4S shop, and some problems can be solved in any place with a network.
In usual situations, the OTA upgrade content must be packaged after repeated testing by manuf Air Technology) that is over the air download technology, automatically download upgrade packages and upgrade automatically through network. The application of OTA technology makes mobile communication not only can provide voice and data services, but also can provide new service downloads, which is a faster wireless technology. Its focus on solving the problem of space distance, that is, the users no longer need to drive the car to a 4S shop, and some problems can be solved in any place with a network.
In usual situations, the OTA upgrade content must be packaged after repeated testing by the manufacturer, the cloud server establishes a connection with the vehicle through cellular network and transmits files, the OTA Manager on the car will be responsible for managing these update files and confirms when to send them to the ECU control unit responsible for each module, and feedback to the server after the update is completed.
At present, the common OTA upgrades are still for multimedia systems, such as navigation, entertainment and comfort configuration. Only individual manufacturers such as Tesla will upgrade the driving assistance and power unit control.