Skills

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.

• 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++)

• 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

• 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:

• Laboratory Equipment
• Software and Development Tools