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South Korea tests communication between self-driving trains. How is it going so far?

South Korea tests communication between self-driving trains. How is it going so far?
foto: KRRI/South Korea tests communication between self-driving trains. How is it going so far?
05 / 08 / 2022

The Korea Railroad Research Institute (KRRI) is currently testing data transmission between two self-driving trains, and the results are more than encouraging. Data transmission has been successful thanks to the use of directional antennas directly on the cars.

The self-driving trains use is one possible way forward in rail transport, but such technology is still under development to ensure its safety in live operation, for example. Great progress has been made in this respect by the Korea Railroad Research Institute (KRRI). It is currently testing train-to-train data transmission, i.e. train-to-train (T2T).

And the test track in Osong has been a success! KRRI has successfully carried out a test of data transmission between two self-driving trains using special directional antennas that have been mounted directly on each train and which KRRI itself has developed for this application. The measured signal range was 2 kilometres in the open countryside and up to 4 kilometres in tunnels.

So what is the benefit of these tests? Because data about the surrounding trains and traffic flow, such as accident information, is transmitted to the train so that the autonomous driving system can manage traffic in real-time. It should prevent potential accidents and achieve a high level of safety, especially if KRRI can provide data transmission over even greater distances. If this is achieved, it will then be possible to put such trains into live operation.

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