Dipl.-Ing. Lars Thiele

Contact:

Room: HHI 1213 Telephone: +49(0)30-31002-429 Email: lars.thiele@hhi.fraunhofer.de

Research interests:

Performance-Bewertung von MIMO auf Systemebene (FDD):

• Multizellsimulationen zeit- und frequenz-varianter Kanäle
  • Kanalmodellierung und Kanalmessung
• Multizell-Kanalschätzung in 3G-LTE ähnlichen Systemen
• Analyse der Interzell-Interferenz
• Adaptive Übertragungstechniken auf PHY- und MAC-Layer (cross-layer optimization)
  • Kanal-adaptive Modulation und Kodierung
  • Kanal-adaptive Auswahl räumlicher Übertragungsmodi
  • MU-MIMO (multi-user MIMO) Übertragung mit festem Pre-Coding
  • Verluste aufgrund von Schätzfehlern in realen Systemen
• Verteilte kooperative Verfahren zur Interferenzreduktion für downlink OFDMA Systeme
  • limited feedback, z.B. feste Codebücher ...
  • perfect CSI
• Informationstheoretische Bounds

Projects:

ScaleNet / SYMPATHIE

Easy-C

WINNER+ (Wireless World Initiative New Radio)

Publications:

Bookchapters

• Realtime Implementation and Field Trials for Downlink CoMP
  V. Jungnickel, A. Forck, S. Jaeckel, S. Wahls, L. Thiele, T. Haustein, W. Zirwas, H. Droste, and G. Kadel, in: P. Marsch, G. Fettweis, Coordinated Multi‐Point in Mobile Communications, Cambridge University Press, 2012, ch. 13.3.
• 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.
• Downlink Distributed CoMP approaching Centralized Joint Transmission
  L. Thiele, T. Haustein, V. Jungnickel, W. Zirwas, and F. Boccardi, in: P. Marsch, G. Fettweis, Coordinated Multi-Point in Mobile Communications, Cambridge University Press, 2012, ch. 6.3.
• Channel Estimation for CoMP
  W. Zirwas, L. Thiele, T. Weber, N. Palleit, and V. Jungnickel, in: P. Marsch, G. Fettweis, Coordinated Multi-Point in Mobile Communications, Cambridge University Press, 2012, ch. 9.1.
• Coordinated MultiPoint (CoMP) Systems
  M. Boldi, F. Boccardi, E. Hardouin, V. Jungnickel, M. Olsson, T. Svensson, L. Thiele, and A. Tölli, in: A. Osseiran, J. F. Monserrat, W. Mohr, Mobile and Wireless Communications for IMT-A & Beyond, Wiley, 2011, ch. 6.
• 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.
• Cooperative Transmission Schemes
  W. Zirwas, W. Mennerich, M. Schubert, L. Thiele, V. Jungnickel, and E. Schulz, in : B. Fuhrt and S. A. Ahson, Long Term Evolution: 3GPP LTE Radio and Cellular Technology , Auerbach Publications, CRC Press, Taylor&Francis Group, 2009, ch. 7.

Journal Papers

• A Geometric Polarization Rotation Model for the 3D Spatial Channel Model
  S. Jaeckel, K. Börner, L. Thiele, and V. Jungnickel, IEEE Transactions on Antennas and Proagation, pp. 1-11, 2012, accepted.
• Coordinated Multipoint: Concepts, Performance, and Field Trial Results
  R. Irmer, H. Droste, P. Marsch, M. Grieger, G. Fettweis, S. Brueck, H. Mayer, L. Thiele, and V. Jungnickel, IEEE Communications Magazine, pp. 102-111, Feb. 2011, pdf available.
• Interference Management for Future Cellular OFDMA Systems Using Coordinated Multi-Point Transmission
  L. Thiele, V. Jungnickel, and T. Haustein, IEICE Transactions on Wireless Distributed Networks, Dec. 2010, invited.
• 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.
• Spatial transmission mode switching in multi-user MIMO-OFDM systems with user fairness
  M. Schellmann, L. Thiele, T. Haustein, and V. Jungnickel, IEEE Transactions on Vehicular Technology, 2009, to appear.
• Capacity Measurements in a Cooperative MIMO Network
  V. Jungnickel, S. Jaeckel, L. Thiele, L. Jiang, U. Krüger, A. Brylka, and C. v. Helmolt, IEEE Transactions on Vehicular Technologies, 2008, to appear.

Conference, Symposium, and Workshop Papers

• Estimating the Mobile Backhaul Traffic in Distributed Coordinated Multi-point Systems
  V. Jungnickel, S. Jaeckel, K. Börner, M. Schlosser, and L. Thiele, Workshop on Hybrid Optical Wireless Access Networks Program, Wireless Communications and Networking Conference (WCNC), IEEE, Paris, France, Apr. 2012.
• On the Energy-Bandwidth Trade-off in Green Wireless Networks: System Level Results
  M. Butt, B. Schubert, M. Kurras, K. Börner, T. Haustein, and L. Thiele, 2012 1st IEEE International Conference on Communications in China Workshops (ICCC), Bejing, China, Aug. 2012, pp. 91-95.
• Impairment Modeling for Joint Transmission CoMP
  K. Manolakis, L. Thiele, C. Oberli, T. Haustein, and V. Jungnickel, 2nd International Conference on Wireless Communications, Vehicular Technology, Information Theory and Aerospace & Electronic System Technology (Wireless VITAE), IEEE, Chennai, India, Mar. 2011.
• Interference Limited MIMO Measurements
  S. Jaeckel, L. Thiele, and V. Jungnickel, IEEE 71st Vehicular Technology Conference VTC2010-Spring, Taipei, Apr. 2010.
• Field Trials using Coordinated Multi-Point Transmission in the Downlink
  V. Jungnickel, A. Forck, S. Jaeckel, F. Bauermeister, S. Schiffermueller, S. Schubert, S. Wahls, L. Thiele, T. Haustein, W. Kreher, J. Mueller, H. Droste, and G. Kadel, 3rd International Workshop on Wireless Distributed Networks (WDN), held in conjunction with IEEE PIMRC 2010, IEEE, IEEE, Sept. 2010, pdf available.
• Scheduling-Assisted Joint Processing for CoMP in the Framework of the WINNER+ Project
  L. Thiele, F. Boccardi, C. Botella, T. Svensson, and M. Boldi, Future Network Mobile Summit, Florence, Italy, June 2010.
• Distributed Uplink Base Station Cooperation for Optimal SIR Assignment
  Y. Hadisusanto, L. Thiele, and V. Jungnickel, Accepted for publication in Proc. IEEE Wireless Communications and Networking Conference (WCNC), Sydney, Australia., Apr. 2010.
• Joint Power Control, Beamforming and BS Assignment for Optimal SIR Assignment
  Y. Hadisusanto, L. Thiele, and V. Jungnickel, IEEE 43rd Annual Asilomar Conference on Signals, Systems and Computers, Monterey, USA, Nov. 2009.
• 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.
• Intercell Interference Measured in Urban Areas
  S. Jaeckel, L. Thiele, A. Brylka, L. Jiang, V. Jungnickel, C. Jandura, and J. Heft, IEEE International Conference on Communications (ICC), Dresden, Germany, June 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.
• Correlation properties of large and small-scale parameters from multicell channel measurements
  S. Jaeckel, L. Jiang, V. Jungnickel, L. Thiele, C. Jandura, G. Sommerkorn, and C. Schneider, European Conference on Antennas and Propagation (EuCAP 2009), Berlin, Germany, 2009, invited.
• 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.
• Adaptive Transmission in a Realistic Multicell Scenario
  L. Thiele and V. Jungnickel, Proceedings of the 2008 IEEE Radio and Wireless Symposium (RWS 2008), Jan. 2008.
• Modeling and Measurement of MIMO Relay Channels
  L. Jiang, L. Thiele, and V. Jungnickel, IEEE 67th Vehicular Technology Conference VTC2008-Spring, Singapore, May 2008.
• Multi-Cell Channel Estimation using Virtual Pilots
  L. Thiele, M. Schellmann, S. Schiffermüller, V. Jungnickel, and W. Zirwas, IEEE 67th Vehicular Technology Conference VTC2008-Spring, Singapore, May 2008.
• Polarization Characteristics of Multiple-Input Multiple-Output Channels
  L. Jiang, L. Thiele, A. Brylka, S. Jaeckel, and V. Jungnickel, Proc. 19th IEEE Intern. Symp. on Personal, Indoor and Mobile Radio Communications (PIMRC 2008), Cannes, France, Sept. 2008.
• 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.
• Predicting SINR conditions in mobile MIMO-OFDM systems by interpolation techniques
  M. Schellmann, L. Thiele, and V. Jungnickel, 42nd Asilomar Conference on Signals, Systems and Computers, Monterey, USA, Oct. 2008.
• Distributed Base Station Cooperation via Block-Diagonalization and Dual-Decomposition
  Y. Hadisusanto, L. Thiele, and V. Jungnickel, Proc. of IEEE Global Telecommunications Conference (GLOBECOM), New Orleans, USA, Nov. 30 - Dec. 4, 2008.
• Low-complexity Doppler compensation in mobile SIMO-OFDM systems
  M. Schellmann, L. Thiele, and V. Jungnickel, 42nd Asilomar Conference on Signals, Systems and Computers, Monterey, USA, 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.
• Correlation Analysis of Multiple-Input Multiple-Output Channels with Cross-Polarized Antennas
  L. Jiang, V. Jungnickel, S. Jaeckel, L. Thiele, and A. Brylka, IEEE 14th Asia-Pacific Conference on Communications (APCC2008), Tokyo, Japan, IEEE, Oct. 2008.
• On the Modelling of Polarized MIMO Channel
  L. Jiang, L. Thiele, and V. Jungnickel, 13th European Wireless Conference, Paris, France, Apr. 2007.
• Cooperative Antenna Concepts for Interference Mitigation
  W. Zirwas, E. Schulz, M. Schubert, W. Mennerich, V. Jungnickel, and L. Thiele, 13th European Wireless Conference, Paris, France, Apr. 2007.
• A Fair Score-Based Scheduler for Spatial Transmission Mode Selection
  M. Schellmann, L. Thiele, V. Jungnickel, and T. Haustein, 41st Asilomar Conference on Signals, Systems and Computers, Monterey, USA, IEEE, Nov. 2007.
• Capacity Scaling of Multiuser MIMO with Limited Feedback in a Multicell Environment
  L. Thiele, M. Schellmann, W. Zirwas, and V. Jungnickel, 41st Asilomar Conference on Signals, Systems and Computers, Monterey, USA, IEEE, Nov. 2007, invited.
• Out-of-Cell Channel Statistics at 5.2 GHz
  L. Thiele and V. Jungnickel, Proc. of the European Conference on Antennas and Propagation (EuCAP 2006), Nice, France, Nov. 2006.
• Capacity Measurements in a Multicell MIMO System
  V. Jungnickel, S. Jaeckel, L. Thiele, U. Krüger, A. Brylka, and C. v. Helmolt, Proc. IEEE Global Telecommun. Conf. (GLOBECOM 2006), San Francisco, California, Nov. 2006.
• Statistics of the Ricean K-Faktor at 5.2 GHz in an Urban Macro-Cell Scenario
  L. Thiele, M. Peter, and V. Jungnickel, Proc. 17th IEEE Intern. Symp. on Personal, Indoor and Mobile Radio Communications (PIMRC 2006), Helsinki, Finland, Sept. 2006.