Dipl.-Inform. Thomas Wirth

Contact:

Room:	HHI 1115
Telephone:	+49(0)30-31002-516
Email:	thomas.wirth@hhi.fraunhofer.de

Publications:

Bookchapters

• Downlink Multi-User Beamforming with Interference Rejection Combining
  L. Thiele, T. Wirth, M. Schellmann, T. Haustein, and V. Jungnickel, in: P. Marsch, G. Fettweis, Coordinated Multi-Point in Mobile Communications, Cambridge University Press, 2012, ch. 5.1.
• Resource Management in MIMO-OFDM systems
  M. Schellmann, L. Thiele, T. Wirth, T. Haustein, and V. Jungnickel, in: T. Jiang, L. Song, Y. Zhang, Orthogonal Frequency Division Multiple Access: Fundamentals and Applications, Auerbach Publications, CRC Press, Taylor&Francis Group, 2010.
• Early Real-Time Experiments and Field-Trial Measurements with 3GPP-LTE Air Interface Implemented on Reconfigurable Hardware Platform
  A. Forck, T. Haustein, V. Jungnickel, V. Venkatkumar, S. Wahls, T. Wirth, and E. Schulz, B. Furht and S. A. Ahson, 3GPP LTE Handbook: 3GPP LTE Radio and Cellular Technology, CRC Press, 2009, pp. 365-411.

Journal Papers

• Wie geht es weiter mit LTE?
  V. Jungnickel and T. Wirth, FKT, pp. 544-551, Oct. 2011.
• Interference Aware Scheduling in the Multiuser MIMO-OFDM Downlink
  V. Jungnickel, M. Schellmann, L. Thiele, T. Wirth, T. Haustein, O. Koch, W. Zirwas, and E. Schulz, IEEE Communications Magazine, vol. 47, no. 6, pp. 56-66, June 2009.

Conference, Symposium, and Workshop Papers

• Spatial mode switching in multi-user MIMO-OFDM systems: Performance in a real-world scenario
  M. Schellmann, L. Thiele, T. Wirth, V. Jungnickel, and T. Haustein, 13th International OFDM-Workshop (InOWo), Hamburg, Germany, Aug. 2009.
• A Unified Feedback Scheme for Distributed Interference Management in Cellular Systems: Benefits and Challenges for Real-Time Implementation
  L. Thiele, T. Wirth, T. Haustein, V. Jungnickel, E. Schulz, and W. Zirwas, 17th Euopean Signal Processing Conference (EUSIPCO2009), Glasgow, Scotland, Aug. 2009, invited.
• Relaying in Long Term Evolution: Indoor Full Frequency Reuse
  V. Venkatkumar, T. Wirth, T. Haustein, and E. Schulz, European Wireless 2009, Aarlborg, Denmark, May 2009.
• LTE-Advanced Relaying for Outdoor Range Extension
  T. Wirth, V. Venkatkumar, T. Haustein, E. Schulz, and R. Halfmann, VTC2009-Fall, Anchorage, USA, Sept. 2009.
• Handover Sequences for Interference-Aware Transmission in Multicell MIMO Networks
  V. Jungnickel, K. Manolakis, L. Thiele, T. Wirth, and T. Haustein, International ITG Workshop on Smart Antennas (WSA 2009), Berlin, Germany, Feb. 2009.
• Modeling of 3D Field Patterns of Downtilted Antennas and Their Impact on Cellular Systems
  L. Thiele, T. Wirth, K. Börner, M. Olbrich, V. Jungnickel, J. Rumold, and S. Fritze, International ITG Workshop on Smart Antennas (WSA 2009), Berlin, Germany, Feb. 2009.
• DFT-based vs. Cooperative MET-based MU-MIMO in the Downlink of Cellular OFDM Systems
  L. Thiele, M. Schellmann, T. Wirth, V. Jungnickel, F. Boccardi, and H. Huang, International ITG Workshop on Smart Antennas (WSA 2009), Berlin, Germany, Feb. 2009.
• MU-MIMO with Localized Downlink Base Station Cooperation and Downtilted Antennas
  L. Thiele, T. Wirth, M. Schellmann, Y. Hadisusanto, and V. Jungnickel, IEEE International Workshop on LTE Evolution, Dresden, Germany, June 2009.
• Coordinated Multipoint Trials in the Downlink
  V. Jungnickel, L. Thiele, T. Wirth, T. Haustein, S. Schiffermüller, A. Forck, S. Wahls, S. Jaeckel, S. Schubert, C. Juchems, F. Luhn, R. Zavrtak, H. Droste, G. Kadel, W. Kreher, J. Mueller, W. Stoermer, and G. Wannemacher, Proc. 5th IEEE Broadband Wireless Access Workshop (BWAWS), co-located with IEEE GLOBECOM 2009, Honolulu, Hawai, Nov. 2009, doi: 10.1109/GLOCOMW.2009.5360722, pdf available.
• Interference-Aware Scheduling in the Synchronous Cellular Multi-Antenna Downlink
  L. Thiele, M. Schellmann, T. Wirth, and V. Jungnickel, IEEE 69th Vehicular Technology Conference VTC2009-Spring, Barcelona, Spain, Apr. 2009, invited.
• Measurements of Multi-Antenna Gains using a 3GPP-LTE Air Interface in Typical Indoor and Outdoor Scenarios
  T. Haustein, V. Venkatkumar, J. Eichinger, E. Schulz, T. Wirth, V. Jungnickel, A. Forck, S. Wahls, C. Juchems, F. Luhn, and R. Zavrtak, Proc. European Wireless (EW), Prague, Czech Republic, June 2008, doi:10.1109/EW.2008.4623926.
• Realtime Multi-User Multi-Antenna Downlink Measurements
  T. Wirth, V. Jungnickel, A. Forck, S. Wahls, H. Gaebler, T. Haustein, J. Eichinger, D. Monge, E. Schulz, C. Juchems, F. Luhn, and R. Zavrtak, Proc. IEEE Wireless Communications and Networking Conference (WCNC), Las Vegas, USA, Mar. 2008, doi:10.1109/WCNC.2008.239.
• Field Trial Results On Multi-User MIMO Downlink OFDMA In Typical Outdoor Scenario Using Proportional Fair Scheduling
  V. Venkatkumar, T. Haustein, H. Wu, E. Schulz, T. Wirth, A. Forck, S. Wahls, and V. Jungnickel, Proc. International ITG/IEEE Workshop on Smart Antennas (WSA), Darmstadt, Germany, Feb. 2008, doi:10.1109/WSA.2008.4475537.
• Polarization Dependent MIMO Gains on Multiuser Downlink OFDMA with a 3GPP LTE Air Interface in Typical Urban Outdoor Scenarios
  T. Wirth, V. Jungnickel, A. Forck, S. Wahls, V. Venkatkumar, T. Haustein, and H. Wu, Proc. International ITG/IEEE Workshop on Smart Antennas (WSA), Darmstadt, Germany, Feb. 2008, doi:10.1109/WSA.2008.4475552.
• Feedback Design for Multiuser MIMO Systems
  V. Jungnickel, L. Thiele, T. Wirth, M. Schellmann, V. Venkatkumar, and T. Haustein, 13th International OFDM-Workshop (InOWo), Hamburg, Germany, Aug. 2008.
• Synchronization of cooperative base stations
  V. Jungnickel, T. Wirth, M. Schellmann, T. Haustein, and W. Zirwas, IEEE International Symposium on Wireless Communication Systems (ISWCS '08), Reijavik, Island, Oct. 2008.
• On the Value of Synchronous Downlink MIMO-OFDMA Systems with Linear Equalizers
  L. Thiele, M. Schellmann, T. Wirth, and V. Jungnickel, IEEE International Symposium on Wireless Communication Systems 2008 (ISWCS’08) , Oct. 2008.
• Cooperative Multi-User MIMO based on Reduced Feedback in Downlink OFDM Systems
  L. Thiele, M. Schellmann, T. Wirth, and V. Jungnickel, 42nd Asilomar Conference on Signals, Systems and Computers, Monterey, USA, Oct. 2008.
• Implementation Concepts for Distributed Cooperative Transmission
  V. Jungnickel, L. Thiele, M. Schellmann, T. Wirth, W. Zirwas, T. Haustein, and E. Schulz, 42nd Asilomar Conference on Signals, Systems and Computers, Monterey, USA, Oct. 2008.