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
• 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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2010

• Comparison of Distributed LDPC Coding Schemes for Decode-and-Forward Relay Channels BibT_EX
  M. Wu, P. Weitkemper, D. Wübben, K.-D. Kammeyer
  International ITG Workshop on Smart Antennas (WSA 2010), Bremen, Germany, 23. - 24. February 2010
• Iterative Pre-Compensation of I/Q Imbalances in an Adaptive 2.4 GHz MIMO-OFDM System BibT_EX
  M. Petermann, M. Niemiec, D. Wübben, K.-D. Kammeyer, M. Stefer, M. Schneider
  International ITG Workshop on Smart Antennas (WSA 2010), Bremen, Germany, 23. - 24. February 2010
• An Improved Physical Layer Network Coding Scheme for Two-Way Relay Systems BibT_EX
  Y. Lang, D. Wübben, K.-D. Kammeyer
  International ITG Workshop on Smart Antennas (WSA 2010), Bremen, Germany, 22. - 23. February 2010
• Evaluation of Encoded MU-MISO-OFDM Systems in TDD Mode with Non-ideal Channel Reciprocity BibT_EX
  M. Petermann, D. Wübben, K.-D. Kammeyer
  8th International ITG Conference on Source and Channel Coding (SCC 2010), Siegen, Germany, 18. - 21. January 2010

2009

• Subcarrier Selection for IM/DD OFDM Systems BibT_EX
  H. Paul, K.-D. Kammeyer
  35th European Conference and Exhibition on Optical Communication (ECOC 2009), Wien, Austria, 20. - 24. September 2009
• Distributed Interleave-Division Multiplexing Space-Time Codes for Coded Relay Networks BibT_EX
  P. Weitkemper, D. Wübben, K.-D. Kammeyer
  Sixth International Symposium on Wireless Communication Systems 2009 (ISWCS’09), Siena, Italy, 7. - 9. September 2009
• Noise Reduction for Optical OFDM Channel Estimation BibT_EX
  H. Paul, A. Ali, K.-D. Kammeyer, W. Rosenkranz
  14th International OFDM Workshop 2009 (InOWo '09), Hamburg, Germany, 2. - 3. September 2009
• Influence of Non-reciprocal Transceivers at 2.4 GHz in Adaptive MIMO-OFDM Systems BibT_EX
  M. Stefer, M. Petermann, M. Schneider, D. Wübben, K.-D. Kammeyer
  14th International OFDM-Workshop 2009 (InOWo 09), Hamburg, Germany, 2. - 3. September 2009
• Link Adaptation for MIMO-OFDM with partial CSI BibT_EX
  C. Bockelmann, D. Wübben, K.-D. Kammeyer
  14th International OFDM Workshop 2009 (InOWo '09), Hamburg, Germany, 2. - 3. September 2009
• Distributed IDM-STC versus OFDM-CDD in Two-Hop Relay-Networks BibT_EX
  P. Weitkemper, D. Wübben, K.-D. Kammeyer, Sebastian Vorköper, Volker Kühn
  14th International OFDM Workshop 2009 (InOWo '09), Hamburg, Germany, 2. - 3. September 2009

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