Prof. Dr.-Ing. Karl-Dirk Kammeyer (Former Head of Department)

Address: University of Bremen Dept. of Communications Engineering Otto-Hahn-Allee NW1 D-28359 Bremen - Germany Room :NW1 N2360 Phone : +49 421 218 62389 E-mail :

Teaching

Research

• High Mobility MIMO-OFDM Transmission With Realistic Propagation Scenarios
• Combined optimization of echo compensation and and listening room compensation for hands-free teleconferencing
• Information Theoretic Analysis of Multiple Access Schemes with Adaptive Precoding for Long Term Evolution (LTE)
• Study for wireless data-transmission in cars
• Quality of Service-Aware Cross-Layer Optimization in Heterogeneous Multiuser MIMO-OFDM Systems
• Development and Comparison of Multiple Antenna Concepts
• Adaptive blind and semi-blind equalization and channel estimation for frequency-selective MIMO channels
• Multicarrier systems for fast moving receivers at high data rates
• Robust speaker recognition employing multichannel concepts for suppressing acoustic interference
• Joint optimization of echo cancellers and multichannel noise suppression systems for stereo speech transmission

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Publications

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2005

• Diversity vs. Adaptivity in Multiple Antenna Systems BibT_EX
  R. Böhnke, V. Kühn, K.-D. Kammeyer
  IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2005), New York, USA, 5. - 8. June 2005
• Fast Sum Rate Maximization for the Downlink of MIMO-OFDM Systems BibT_EX
  R. Böhnke, V. Kühn, K.-D. Kammeyer
  Canadian Workshop on Information Theory (CWIT 2005), Montreal, Canada, 5. - 8. June 2005
• Enhanced Eigenbeamforming for the 3GPP WCDMA FDD Downlink BibT_EX
  R. Seeger, K.-D. Kammeyer, T. Hindelang, W. Xu
  11th European Wireless 2005, Nicosia, Cyprus, 10. - 13. April 2005
• Advanced Eigenbeamforming for the UMTS FDD Downlink BibT_EX
  R. Seeger, K.-D. Kammeyer, T. Hindelang, W. Xu
  International ITG / IEEE Workshop on Smart Antennas (WSA 05), Duisburg-Essen, Germany , 4. - 5. April 2005
• On Phase Correct Blind Deconvolution of Flat MIMO Channels Exploiting Channel Encoding BibT_EX
  A. Scherb, V. Kühn, K.-D. Kammeyer
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2005), Philadelphia, PA, USA, 18. - 23. March 2005
• New Aspects of Combining Echo Cancellers with Beamformers BibT_EX
  M. Kallinger, A. Mertins, K.-D. Kammeyer
  International Conference on Acoustics Speech and Signal Processing (ICASSP 05), Vol. 3, pp. iii/137- iii/140, Philadelphia, PA, USA, 18. - 23. March 2005

2004

• Cramer-Rao Lower Bound for Semiblind Channel Estimation with respect to Coded and Uncoded Finite-Alphabet Signals BibT_EX
  A. Scherb, V. Kühn, K.-D. Kammeyer
  Asilomar Conference on Signals, Systems, and Computers, Monterey, USA, 7. - 10. November 2004
• MUI-Suppression with Reduced T-Equalizer for UTRA FDD Downlink BibT_EX
  K. Knoche, W. Xu, J. Rinas, K.-D. Kammeyer
  IEEE Semiannual Vehicular Technology Conference (VTC2004-Fall), Los Angeles, CA, USA, 26. - 29. September 2004
• Efficient Near Maximum-Likelihood Decoding of Multistratum Space-Time Codes BibT_EX
  R. Böhnke, V. Kühn, K.-D. Kammeyer
  IEEE Vehicular Technology Conference (VTC Fall 2004), Los Angeles, California, USA, 26. - 29. September 2004
• On the Robustness of Lattice-Reduction Aided Detectors in Correlated MIMO Systems BibT_EX
  D. Wübben, V. Kühn, K.-D. Kammeyer
  IEEE 60th Semiannual Vehicular Technology Conference (VTC2004-Fall), Los Angeles, CA, USA, 26. - 29. September 2004

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