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

• Joint optimization of channel estimation and multiuser detection including channel coding in CDMA mobile radio systems
• Receiver concepts for HSDPA and multiple antenna systems
• Analysis of the influence of UMTS-FDD multi-antenna concepts on mobile terminals
• Development and realization of a high rate OFDM data transmission in environments with high Doppler spreads
• MASI - Multiple Antenna System for ISM-Band Transmission
• Determination of similarities in polyphonic audio signals
• Development of a 2.4 GHz transmission system for the ISM band
• Blind source separation utilizing spatial diversity
• HyEff
• Development of efficient algorithms and structures for space time coding, multiuser detection and multicode techniques for the downlink of a frequency division duplex (FDD) UMTS system

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Publications

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2000

• Iterative Blind and Non-blind Channel Estimation in GSM Receivers BibT_EX
  T. Petermann, V. Kühn, K.-D. Kammeyer
  IEEE International Symposium on Personal and Mobile Radio Communications (PIMRC 2000), London, UK, 18. - 22. September 2000
• Impulse truncation for wireless OFDM systems BibT_EX
  H. Schmidt, K.-D. Kammeyer
  5th International OFDM-Workshop (InOWo 2000) , Hamburg, Germany, 12. - 13. September 2000
• An iterative Channel Estimation for a Hiperlan/2 OFDM System BibT_EX
  M. Feuersänger, H. Schmidt, K.-D. Kammeyer
  5th International OFDM-Workshop (InOWo 2000) , Hamburg, Germany, 12. - 13. September 2000
• Study on Combining Multi-Channel Echo Cancellers with Beamformers BibT_EX
  M. Kallinger, J. Bitzer, K.-D. Kammeyer
  International Conference on Acoustics Speech and Signal Processing (ICASSP 2000), Istanbul, Turkey, 5. - 9. June 2000
• Channel Coding Aspects in an OFDM-CDMA System BibT_EX
  V. Kühn, A. Dekorsy, K.-D. Kammeyer
  3rd ITG Conference Source and Channel Coding (SCC 2000), Munich, Germany}, 17. - 19. January 2000

1999

• Blind Channel Estimation Under Channel Coding Conditions BibT_EX
  T. Petermann, D. Boss, K.-D. Kammeyer
  IEEE Conference on Decision and Control (CDC 99), Phoenix, Arizona, USA, 7. - 10. December 1999
• Exploiting Time and Frequency Diversity by Iterative Decoding in OFDM-CDMA Systems BibT_EX
  A. Dekorsy, V. Kühn, K.-D. Kammeyer
  IEEE Global Conference on Communications (Globecom 99), Rio de Janeiro, Brazil, 5. - 6. December 1999
• An Alternative Implementation of the Superdirective Beamformer BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  IEEE Workshop on Application of Signal Processing to Audio and Acoustics (WASPAA 99), pp. 7-10, New Paltz, New York, USA, 17. - 20. October 1999
• Multi-Microphone Noise Reduction by Post-Filter and Superdirective Beamformer BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  International Workshop on Acoustic Echo and Noise Control (IWAENC 99), pp. 100-103, Pocono Manor, USA, 27. - 30. September 1999
• Iterative Decoding with M-ary Orthogonal Walsh Modulation in OFDM-CDMA Systems BibT_EX
  A. Dekorsy, V. Kühn, K.-D. Kammeyer
  4th International OFDM-Workshop (InOWo 99), Hamburg, Germany, 21. - 22. September 1999

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