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

• Study on the performance of two given speech recognition devices under different acoustic propagation conditions
• Optimization of an OFDM transmission system according to the Hiperlan/2 standard
• Analysis of service quality of a Bluetooth based access system in a car environment
• Feasibility study for DÜNE
• Multicarrier Codemultiplex concepts with M-ary orthogonal modulation schemes for use in cellular mobile radio networks
• Development and analysis of new concepts and algorithms for the digital baseband signal processing of a multistandard mobile station
• Usability of CDMA and OFDM for future mobile radio systems
• Development of a 16 QAM demodulator for a portable satellite phone M4
• Optimization of a new CDMA concept using a hybrid modulation scheme
• Optimization of blind algorithms for estimation and equalization of mobile radio channels by applying higher order statistics and second order cyclostationary statistics

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Publications

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2006

• A Psychoacoustic Noise Reduction Approach for Stereo Hands-Free Systems BibT_EX
  S. Goetze, V. Mildner, K.-D. Kammeyer
  Audio Engineering Society (AES), 120th Convention, Paris, France, 20. - 23. May 2006
• Examination of Stopping Criteria for Differential Evolution based on a Power Allocation Problem BibT_EX
  K. Zielinski, P. Weitkemper, R. Laur, K.-D. Kammeyer, K. Zielinski, R. Laur
  10th International Conference on Optimization of Electrical and Electronic Equipment, Brasov, Romania, 18. - 19. May 2006
• Performance analysis of maximum-likelihood semiblind estimation of MIMO channels BibT_EX
  T. Wo, P.A. Höher, A. Scherb, K.-D. Kammeyer
  IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7. - 10. May 2006
• Low Complexity Successive Interference Cancellation for Per-Antenna-Coded MIMO-OFDM Schemes by Applying Parallel-SQRD BibT_EX
  D. Wübben, K.-D. Kammeyer
  IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7. - 10. May 2006
• Multi-Channel Speech Enhancement Using a Psychoacoustic Approach For a Post-Filter BibT_EX
  V. Mildner, S. Goetze, K.-D. Kammeyer
  ITG-Fachtagung Sprachkommunikation 2006, Kiel, Germany, 26. - 28. April 2006
• Analysis of semiblind channel estimation for FIR-MIMO systems BibT_EX
  T. Wo, P.A. Höher, A. Scherb, K.-D. Kammeyer
  International Symposium on Turbo Codes & Related Topics, Munich, Germany, 3. - 7. April 2006
• Optimization of Interference Cancellation in Coded CDMA Systems by Means of Differential Evolution BibT_EX
  P. Weitkemper, K. Zielinski, K.-D. Kammeyer, R. Laur
  4th International Symposium on Turbo Codes & Related Topics in connection with the 6th International ITG-Conference on Source and Channel Coding (SCC 06), Munich, Germany, 3. - 7. April 2006
• Parallel-SQRD for Low Complexity Successive Interference Cancellation in Per-Antenna-Coded MIMO-OFDM Schemes BibT_EX
  D. Wübben, K.-D. Kammeyer
  6th International ITG-Conference on Source and Channel Coding, Munich, Germany, 3. - 7. April 2006
• Comparison of Speech Enhancement Systems for Noise Fields in a Car Environment BibT_EX
  S. Goetze, V. Mildner, K.-D. Kammeyer
  32nd German Annual Conference on Acoustics (DAGA 06), pp. 45-46, Braunschweig, Germany, 20. - 23. March 2006
• Performance of Text-Independent Speaker Identification considering In-Car Acoustics BibT_EX
  V. Mildner, S. Goetze, K.-D. Kammeyer
  32nd German Annual Conference on Acoustics (DAGA 06), pp. 223-224, Braunschweig, Germany, 20. - 23. March 2006

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