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Fakultät für Elektrotechnik und Informationstechnik


The Communication Technology Institute was able to accumulate skills during several Industry and research projects. The following list provides an overview over the core competences.

RF Communications

  • Efficiency of wireless networks (definition, evaluation, modification)
  • Optimization of wireless transmission within networks
    • Cross-layer Optimization
    • Link Adaptation
    • Radio Resource Management
  • Convergence of heterogeneous wireless technologies
  • Cognitive wireless communication networks
  • Self-organizing wireless networks
  • Software defined Radio on various platforms
  • Profound experience with PHY- and MAC-Layer of various wireless standards like:
    • IEEE 802.11
    • IEEE 802.15
    • ZigBee
  • Position sensing and facility monitoring using WiFi and UWB IR
  • Simulation of complex networks (e.g. in MATLAB and OMNeT++)

Optical Communications / Image Processing

  • Visible Light Communication
    • Rolling Shutter based LED-Camera Communication
  • Display-Camera Communication
    • Invisible modulation of arbitrary image content
    • Channel modeling + forward error correction (especially LDPC codes)
    • Temporal synchronization / frame reconstruction from asynchronous recordings
    • Screen detection for handheld recording
    • Sample point reconstruction in case of nonlinear distortions
  • GPU-based image processing using CUDA
  • Capturing, processing and playback of 3D-sequences

Hardware Developement

  • Design and prototype development of RF circuits up to 6 GHz
  • Digital circuit technology (VHDL, FPGA)
  • Microcontroller based systems

The Communication Technology Institute has a variety of measurement equlipment and development tools at hand to realize sophisticated projects: