Projects
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RF-based device-free recognitionRecognition of activities from RF-signals. We leverage amplitude-based features for the distinction of situations, activities and gestures. more... |
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Spontaneous secure device interactionBased on fingerprints from ambient audio of devices in proximty we generate secure cryptographic keys with the help of fuzzy cryptography. more... |
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Function-calculation on the RF-channelWe exploit the convolution of random distributions for the calculation of mathematical functions from superimpositions of simultaneously transmitted values. more... |
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Distributed adaptive beamformingWe analyse a class of iterative feedback-based distributed beamforming approaches with low computational complexity. Sharp asymptotic bounds and an asymptotically optimal approach. more... |
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Context predictionWe proactively anticipate the evolution of context time series, investigate architectures for context prediction and consider novel prediction algorithms. more... |
Phone sense - Ad-hoc pairing of devices based on shared audio
NII Grand Challenge 2012 - Reliable RF-based device-free activity recognition.
DAAD FIT - Implicit situation awareness of a wireless sensor network utilising channel quality estimations.
ContextAsAKey - Utilisation of context information to ensure privacy between communicating applications.
DFG SPP 1183: Organic computing - Emergent radio
BSI Project MoSe - Modelling of wireless sensor networks. In collaboration with the Institute for Telematics of the Karlsruhe Institute of Technology