cognitive radio

detection and estimation schemes in cell-free massive multiple-input multiple output (mMIMO) systems

adaptive schemes and coding in multicarrier orthogonal/non-orthogonal multiple access (OMA/NOMA) systems

mobile radio systems (long-term evolution (LTE), fifth-generation (5G), and sixth generation (6G))

machine learning

OSI cross-layer optimization

measuring and modelling of time-variant radio channels

implementation aspects of front-ends for broadband air interfaces

signal processing for medical applications (e.g. numerical modelling for radio frequency ablation).