He has been involved in several international scientific activities as a coinvestigator for ESA and NASA space missions such as the Cassini-Huygens, Rosetta, and Mars Express missions, mainly focusing on subsurface imaging. In the research cluster named Center for Advancing Electronics Dresden (cfaed) and the collaborative research center named Highly Adaptive Energy-Efficient Computing (HAEC), he is working on electronics and energy-efficient computing systems for future applications. He has published over 360 papers in international journals and conferences and holds over 16 patents.,Dr. Plettemeier has been reviewer for several associations such as the American Geophysical Union (AGU) and the Optical Society of America (OSA) and journals such as Journal of Radio Science, Transactions on Emerging Telecommunications Technologies (ETT), IEEE Geoscience and Remote Sensing, IEEE Antennas and Propagation, IEEE Microwave Theory and Techniques, and Proceedings of IEEE. He is a member of the technical committee for “Microwave and THz Testing of the German Society for Nondestructive Testing.”