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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1998

• Adaptive Subtraegerselektion zur Reduktion des Crestfaktors bei OFDM BibT_EX
  H. Schmidt, K.-D. Kammeyer
  3. OFDM-Fachgespraech, Braunschweig, Germany, 29. - 30. September 1998
• Modified Subspace Smoothing Technique for Multipath Direction Finding BibT_EX
  M. Feng, K.-D. Kammeyer
  1, European Signal Processing Conference (EUSIPCO 98), pp. 181-184, Rhodes, Greece, 8. - 11. September 1998
• On the Application of Turbo Equalizers in GSM Compatible Receivers BibT_EX
  F. Jordan, K.-D. Kammeyer
  9th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 98), Boston, USA, 8. - 11. September 1998
• On the Bit Error Behaviour of Coded DS-CDMA with Various Modulation Techniques BibT_EX
  D. Nikolai, A. Dekorsy, K.-D. Kammeyer
  IEEE 9th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 98), Boston, USA, 8. - 11. September 1998
• Maximum Likelihood Decoding of M-ary modulated signals for Multi-Carrier Spread-Sprectrum systems BibT_EX
  A. Dekorsy, S. Fischer, K.-D. Kammeyer
  IEEE 9th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 98), Boston, USA, 8. - 11. September 1998
• Eigenvector Algorithm for Blind MA System Identification BibT_EX
  D. Boss, B. Jelonnek, K.-D. Kammeyer
  EURASIP Signal Processing, Vol. 66, No. 1, pp. 1-26, April 1998
• Multichannel Noise Reduction - Algorithms and Theoretical Limits BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  European Signal Processing Conference (EUSIPCO 98), Vol. 1, pp. 105-108, Rhodes, Greece, 8. - 11. January 1998

1997

• Optimal Design of a Multicarrier System with Soft Impulse Shaping Including Equalization in Time or Frequency Direction BibT_EX
  K. Matheus, K.-D. Kammeyer
  IEEE Global Telecommunication Conference (GLOBECOM 97), Phoenix, AZ, USA, 3. - 8. November 1997
• Hoeherstufige Orthogonale Modulation fuer MC-CDMA-Systeme BibT_EX
  K.-D. Kammeyer, A. Dekorsy
  2. OFDM-Fachgespräch, Braunschweig, Germany, 16. - 17. September 1997
• Comparison of One- and Two-Channel Noise-Estimation Techniques BibT_EX
  J. Bitzer, K.U. Simmer, K.-D. Kammeyer
  5th International Workshop on Acoustic Echo and NoiseControl (IWAENC 97), Vol. 1, pp. 17-20, London, U.K., 11. - 12. September 1997

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