Multi feed active antenna at Ka-band for satellite communications
Loughborough Antennas and Propagation Conference (LAPC)
Loughborough (UK) 2018
Wasim Alshrafi, Ralf Wilke, Sofian Hamid, Dirk Heberling
Multi Layer Planar Ka-Band Satellite receive antenna with Integrated LNA
International Symposium on Antennas and Propagation (ISAP)
Phuket (Thailand) 2017
Wasim Alshrafi, Ralf Wilke, Dirk Heberling
DOI: 10.1109/isanp.2017.8228877
GeReLEO-SMART Project Status
4th National Conference Satellite Communication in Germany
25. – 26. 3. 2015 Bonn
Space Radiation Hardness of PTFE Based RF Substrates for GEO Satellite Application
Ralf Wilke, Korbinian Schraml, Dirk Heberling
9th European Conference on Antennas and Propagation, to be held in Lisbon, Portugal, 2015
Radiation Effects in PTFE based RF Substrates to be Used as Antennas in Geostationary Orbits
Ralf Wilke, Korbinian Schraml, Dirk Heberling
DLR EEE-Bauteilekonferenz Freiburg, 9./10. 4. 2014
GeReLEO – SMART
Ralf Wilke, Korbinian Schraml et. al.
Workshop SatCom Activities in Germany, 10.3.2014, GeMiC 2014, Aachen
Geostationary Data Relay Satellites for Earth Observation: The GeReLEO Concept
Anton Donner, Hermann Bischl, Lukasz Greda, Zoltan Katona, Martin Brück, Sascha Figur, Bernhard Schönlinner, Thomas Aust, Michael Gräßlin, Marco Haubold, Maik Wiemer, J. Sebastian Knogl and Ralf Wilke
62. Deutscher Luft- und Raumfahrtkongress 2013
Stuttgart, Germany
Multi-Layer Patch Antenna Array Design for Ka Band Satellite Communication
R. Wilke, S. Hamid, K. Schraml, R. Khunti and D. Herberling
International Microwave and Optoelectronics Conference
4-7 August 2013, Rio de Janeiro Download Presentation