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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1995

• Application of the elastic arms approach to track finding in the Forward Tracking Detector of H1-Experiment at HERA BibT_EX
  Bui Duc Lan, T. Greenshaw, K.-D. Kammeyer
  Proceedings of the Fourth International Workshop on Software Engineering and Artificial Intelligence for Nuclear and High Energy Physics, Pisa, Italy, 3. - 8. April 1995

1994

• Viterbi Decoding of Convolutional Codes with Reliability Information for a Noncoherent RAKE-Receiver in a CDMA-Environment BibT_EX
  M. Benthin, K.-D. Kammeyer
  IEEE Global Telecommunications Conference (Globecom 94), Vol. 3, pp. 1758-1762, San Francisco, California, USA, 28. November - 2. December 1994
• Digital Video and Speech Transmission in Existing Land Mobile Networks BibT_EX
  R. Mann Pelz, M. Benthin, K.-D. Kammeyer
  European Transactions on Telecommunications (ETT), Vol. 5, No. 6, pp. 59-72, November 1994
• Blind Estimation of ARMA Systems BibT_EX
  D. Boss, K.-D. Kammeyer
  European Signal Processing Conference (EUSIPCO 94), Vol. 3, pp. 1105-1108, Edinburgh, Scotland, U.K., 13. - 16. September 1994
• Statistical Analysis of Cumulant Estimation Errors with regard to an efficient Blind ARMA Identification BibT_EX
  D. Boss, K.-D. Kammeyer
  ATHOS 94 (ATHOS = Advanced Topics in Higher Order Statistics; ESPRIT basic research working group), pp. 9-14, Edinburgh, Scotland, U.K., 12. September 1994
• Extraction of Soft Bit Information with the Use of M-ary Modulation BibT_EX
  M. Benthin, K.-D. Kammeyer
  COST 231, TD(94)108, pp. 1-8, Darmstadt, Germany, 1. September 1994
• A New Fast Algorithm for Blind MA-System Identification Based on Higher Order Cumulants BibT_EX
  B. Jelonnek, K.-D. Kammeyer
  SPIE Advanced Signal Processing: Algorithms, Architectures and Implementations V, Vol. 2296, pp. 162-173, San Diego, California, USA, 24. - 29. July 1994
• Time Truncation of Channel Impulse Responses by Linear Filtering: A Method to Reduce the Complexity of Viterbi Equalization BibT_EX
  K.-D. Kammeyer
  Archiv für Elektronik und Übertragungstechnik (AEÜ), Vol. 48, No. 5, pp. 237-243, May 1994
• A Closed Form Solution to Blind Equalization BibT_EX
  B. Jelonnek, K.-D. Kammeyer
  EURASIP Signal Processing, Vol. 36, No. 3, pp. 251-259, April 1994

1993

• Eigenvector Algorithm for Blind Equalization BibT_EX
  B. Jelonnek, K.-D. Kammeyer
  IEEE Signal Processing Workshop on Higher-Order Statistics (SPW-HOS 93), pp. 19-23, IEEE Signal Processing Workshop on Higher-Order Statistics, 7. - 9. June 1993

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