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idw - Informationsdienst
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The 6G mobile communications standard is set to be introduced at the end of this decade. The goal: more secure and faster connections, including for drones, flying platforms, and satellites. The project “Holistic 3D Communication Networks for 6G (6G-TakeOff)” investigated how 6G can be made possible.
The project, involving 19 partners from industry and academia, was coordinated by Deutsche Telekom AG and supported by the Federal Ministry of Research, Technology and Space with 9.5 million euros over three years. The shared goal was to expand knowledge relating to 3D networks. The underlying idea is that 6G mobile networks should consist not only of base stations on Earth, but also of flying stations such as drones, flying platforms, and near-Earth satellites. For example, these could then provide stable internet or safe autonomous driving in remote areas, above the ocean, and during natural disasters.
Tests on 3D Networks at Bremen's Drop Tower
At the University of Bremen, the Communications Engineering research group within the Faculty of Physics/Electrical Engineering, headed by Professor Armin Dekorsy, was involved in the project. Researchers conducted specific tests to determine how a three-dimensional network could function. The team installed satellite hardware on the 146-meter-high Drop Tower, along with base stations and rovers on the ground and drones in the air. Dekorsy's team was able to show that a drone automatically takes over communication with a rover when the rover loses its connection to the terrestrial base station.
Research partners were also able to demonstrate that edge computing is possible in non-terrestrial networks. This means, for example, that autonomous vehicles can transfer their data to flying objects such as drones or satellites for processing or storage, thereby reducing the complexity of the autonomous vehicles.
Close Cooperation with Mobile Communications and Aerospace Industries
Another aspect that two research partners focused on concerns the connection between drones and the ground-based core network. To this end, the partner team developed and tested new antennas that are particularly good at bundling, are lightweight, and can be easily moved. They also developed methods to ensure that the ground station antennas are automatically aligned with the drones as they move.
"In the 6G-TakeOff project, we not only developed numerous innovative technologies, but also validated their practical suitability using a wide variety of demonstration models. Thanks to close cooperation with the mobile communications and aerospace industries, we have laid the necessary groundwork for the technologies developed to be implemented in products and systems, with a view to improving service continuity, resilience, and capacity where needed using a future 6G system," says Armin Dekorsy.
The 6G-TakeOff closing event took place at DHI in Bremen on November 26 and 27. Numerous presentations and demonstrations provided representatives from the Federal Ministry of Research, Technology and Space and the two Bremen ministerial offices of economics and science, as well as numerous guests from industry, with information about the project's results and important insights for future strategic orientations.
Prof. Armin Dekorsy
Head of the Communications Engineering research group
University of Bremen
Phone: +49 421 218-62400
Email: dekorsy@ant.uni-bremen.de
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