1. Fraunhofer Institute for Integrated Circuits IIS, Division Positioning and Networks, Fraunhofer IIS, Nuremberg, Germany
2. Fraunhofer IIS, Fraunhofer Institute for Integrated Circuits IIS, Division Positioning and Networks, Nuremberg, Germany
3. Department Artificial Intelligence in Biomedical Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany