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

• Receiver concepts for HSDPA and multiple antenna systems
• Joint optimization of channel estimation and multiuser detection including channel coding in CDMA mobile radio systems
• Development and realization of a high rate OFDM data transmission in environments with high Doppler spreads
• Analysis of the influence of UMTS-FDD multi-antenna concepts on mobile terminals
• 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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1999

• Quantization and its Effects on OFDM Concepts for Wireless Indoor Applications BibT_EX
  H. Schmidt, K.-D. Kammeyer
  4th International OFDM-Workshop (InOWo 99) , Hamburg, Germany, 21. - 22. September 1999
• Implementation of Multicarrier Systems with Polyphase Filterbanks BibT_EX
  K. Matheus, K.-D. Kammeyer, U. Tuisel
  2nd International Workshop on Multi-Carrier Spread-Spectrum (MC-SS 99) and Related Topics, Oberpfaffenhofen, Germany, 15. - 17. September 1999
• Complex valued Block Codes for OFDM-CDMA Application BibT_EX
  A. Dekorsy, K.-D. Kammeyer
  2nd International Workshop on Multi-Carrier Spread-Spectrum (MCSS 99), Oberpfaffenhofen, Germany, 15. - 17. September 1999
• Error Correcting Source Decoding BibT_EX
  K. Cinkler, K.-D. Kammeyer
  IEEE Signal Processing Letters, Vol. 6, No. 9, pp. 233-235, September 1999
• A new OFDM-CDMA Uplink Concept with M-ary Orthogonal Modulation BibT_EX
  A. Dekorsy, K.-D. Kammeyer
  European Transactions on Telecommunications (ETT), Vol. 10, No. 4, pp. 377-390, July 1999
• Blind Channel Estimation in GSM Receivers: A Comparison of HOS and SOCS Based Methods BibT_EX
  T. Petermann, K.-D. Kammeyer
  IEEE Signal Processing Workshop on Higher-Order Statistics (SPW-HOS 99), pp. 80-84, Caesarea, Israel, 14. - 16. June 1999
• Error-Correcting Source Decoding vs. Channel Coding in Noisy Image Transmission BibT_EX
  K. Cinkler, K.-D. Kammeyer
  IEEE International Conference on Communications (ICC 99), Vol. 1, pp. 456-460, Vancouver, Canada, 6. - 10. June 1999
• Multi-Microphone Noise Reduction Techniques for Hands-Free Speech Recognition - A Comparative Study BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  Robust Methods for Speech Recognition in Adverse Conditions (ROBUST 99), pp. 171-174, Tampere, Finland, 25. - 26. May 1999
• Theoretical Noise Reduction Limits of the Generalized Sidelobe Canceller (GSC) for Speech Enhancement BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 99), Vol. 5, pp. 2965-2968, Phoenix, Arizona, 15. - 19. March 1999
• Blinde GSM-Kanalschaetzung mittels stationaerer und zyklostationaerer Statistik zweiter und hoeherer Ordnung BibT_EX
  T. Petermann, K.-D. Kammeyer
  ITG-Diskussionssitzung des FA 9.1 Messverfahren der Informationstechnik, pp. 12, Guenzburg, Germany, 4. March 1999

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