Bosch, Vodafone and Huawei are testing the new technology LTE-V2X on the test track of the A9 motorway, which will optimize the traffic flow and reduce the number of accidents through the real-time communication of vehicles.
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Bosch sees the current test of the first 5G test modules for
delay-free data exchange from car to car as a milestone on the way
to the fully networked road traffic. Picture: Bosch |
The new mobile radio technology enables the direct and non-delayed exchange of information between vehicles. Networked cars, for example, send information about speed, position and lane change directly to all vehicles within a radius of 320 meters - without any detours and therefore free of delays. The fast and direct communication between the cars should optimize the flow of traffic and reduce the number of accidents. In the future, together with the comprehensive mobile communications network, it is to provide additional security for fully networked road traffic, according to Bosch.
Vodafone installs on the test track of the A9 a correspondingly
powerful mobile radio network for the data transmission. As a system technology partner, Huawei creates the mobile radio modules
for the cars and installs the required 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 test operation the partners want to show under live conditions that
the direct communication between the cars by mobile radio with very low
latency works and how it differs from WLAN-based alternatives.
The support provided by the mobile radio network also ensures maximum
reliability and facilitates the coordination of communication between
the cars. LTE-V2X is currently being specified in international
bodies. Bosch, Vodafone and Huawei are the first to update their tests in
Europe at all.
First, the technology is tested as a real-time warning system when
changing lanes on the motorway. In doing so, the car exchanges all vehicle information - for
example, speed and position - with the vehicles in the
environment. If a car is approaching at high speed from the rear when changing
the lane so that the accident can occur, the driver receives a
warning. A delay-free information exchange is crucial here. Later on, the technology will be tested in further scenarios in
order to investigate which functions, in addition to early warning
when changing lanes, can primarily benefit from fast data
transmission. This includes, for example, the warning in the unpredictable
braking process of the preceding vehicle.
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