Real-time communication
Bosch, Vodafone and Huawei test LTE-V2X
Bosch, Vodafone and Huawei are testing the new LTE-V2X technology live on the test track of the A9 highway near Allershausen. The new mobile communications technology enables the direct and instantaneous exchange of information between vehicles.
Fast and direct communication between cars optimizes the flow of traffic and should reduce the number of accidents. Together with the comprehensive mobile network, it will provide additional security for fully networked road traffic in the future. Bosch, Vodafone and Huawei are therefore testing LTE-V2X on the A9 near Allershausen.
Vodafone is installing a high-performance mobile network for data transmission on the test section of the A9. As the system technology partner, Huawei is creating the mobile radio modules for the cars and installing the necessary communication technology in the base stations. Bosch integrates the mobile radio modules and corresponding software in the vehicles and carries out the measurements on site. In the test operation, the partners want to demonstrate under live conditions that direct communication between the cars via mobile radio works with very low latency and how it differs from WLAN-based alternatives. Support from the overarching mobile network also ensures maximum reliability and makes it easier to coordinate communication between the cars. LTE-V2X is currently being specified in international committees. Bosch, Vodafone and Huawei are testing the latest specification for the first time ever in Europe.
Initially, the technology will be tested as a real-time warning system when changing lanes on the highway. The car exchanges all vehicle information - such as speed and position - with the surrounding vehicles. If a car approaches from behind at high speed when changing lanes, which could lead to an accident, the driver receives a warning. A delay-free exchange of information is crucial here. The technology will later be tested in other scenarios in order to investigate which functions can primarily benefit from the fast data transmission in addition to the early warning when changing lanes. This includes, for example, the warning in the event of unforeseen braking by the vehicle in front.
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