Dr. rer. nat. Volker Jungnickel

Contact:

Room: HHI 1311 Telephone: +49 30 31002 768, +49 162 255 2756 Fax: +49 30 31002 647 Email: volker.jungnickel@mk.tu-berlin.de Opening hours: send me an email

Teaching:

Winter term

• lecture VL MIMO Übertragungssysteme I
• lecture VL Echtzeitverarbeitung

Summer term

lecture VL Adaptive Übertragung

Research interests:

Topics: Wireless and Optical Communications

• signal processing over dispersive channels
• algorithm design for physical layer, multiple access, mobility
• access networks

Main research:

Physical Layer Algorithms using MIMO and OFDM

Multiple Access Techniques: OFDMA, SC-FDMA

Interference in Cellular Networks, Interference-aware Scheduling, Cooperative Base Stations

Propagation measurements, Channel Modeling, Algorithms, Evaluation, Real-time Implementation, Trials

Wireless and Optical Backhaul, Optical Access Networks

Projects:

IBMS (BMBF, 1997-2000), HyEff (BMBF, 2000-2003) http://www.pt-it.pt-dlr.de/de/1241.php, 3GeT (BMBF, 2003-2007) http://www.pt-it.pt-dlr.de/de/1002.php, 3GeT subcontract COOPA (Siemens/BMBF, 2003-2007), ScaleNet SYMPATHIE (Siemens/BMBF, 2005-2009) http://www.pt-it.pt-dlr.de/de/1038.php, WINNER II (Siemens/EU, 2006-2007), EASY-C (BMBF, 2007-2010) http://www.easy-c.de/index_en.html, Joint Transmission (Deutsche Telekom AG/BMBF, 2009-2010), WINNER+ (CELTIC, 2008-2010), Studie "Digitale Dividende" (BMWi, 2009), CONDOR (BMBF 2010-2013), SPWD-BusData (BMU 2010-2012), CoMPmobil (DFG 2012-2014), SODALES (EU 2012-2014)

Projektvorschläge:

CHORUS (EU 2014-2016)

PhD Thesis:

Carrier Dynamics and Electron-Phonon Coupling in II-VI Semiconductor Quantum Dots, Prof. Dr. Fritz Henneberger, Humboldt-University Berlin, Department of Physics (1995)

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.
• 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.
• Distributed Organization of Coorperative Antenna Systems
  W. Zirwas, J. H. Kim, V. Jungnickel, M. Schubert, T. Weber, A. Ahrens, and M. Haardt, In: Honglin Hu, Yan Zhang, Jijun Luo, Distributed Antenna Systems – Open Architecture for Future Wireless Communications, Auerbach Publications, CRC Press, May 2007.
• Gigabit Mobile Communications using MIMO-OFDM Signal Processing
  V. Jungnickel, A. Forck, T. Haustein, C. Juchems, and W. Zirwas, in: George Tsoulos, MIMO System Technology for Wireless Communications, Francis&Taylor CRC Press, 2006, pp. 315-350.

Journal Papers

• Downlink Performance Limitations of Cellular Systems with Coordinated Base Stations and Mismatched Precoder
  F. Rosas, L. Herrera, C. Oberli, K. Manolakis, and V. Jungnickel, IET Communications, 2013, accepted.
• On the Capacity of Intensity-Modulated Direct-Detection Systems and the Information Rate of ACO-OFDM for Indoor Optical Wireless Applications
  X. Li, J. Vucic, V. Jungnickel, and J. Armstrong, IEEE Transactions on Communications, pp. 1-12, 2012.
• 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.
• Wie geht es weiter mit LTE?
  V. Jungnickel and T. Wirth, FKT, pp. 544-551, Oct. 2011.
• 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.
• Multiple CFOs in OFDM-SDMA Uplink: Interference Analysis and Compensation
  M. Schellmann and V. Jungnickel, EURASIP Journal on Wireless Communications and Networking, 2009, article ID 909075.
• 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.
• Challenges in Future Short Range Wireless Systems
  G. Fettweis, E. Zimmermann, V. Jungnickel, and E. A. Jorswieck, IEEE Vehicular Technology Magazine, vol. 1, no. 2, pp. 24–-31, 2007.
• The Algebraic Structure of Frequency-Selective MIMO Channels
  V. Pohl, V. Jungnickel, and C. v. Helmolt, IEEE Trans. on Signal Processing, vol. 53, no. 7, pp. 2498-2512, July 2005.
• Continuous Flat Fading MIMO Channels: Achievable Rate and the Optimal Length of the Training and Data Phase
  V. Pohl, P. Nguyen, V. Jungnickel, and C. v. Helmolt, IEEE Trans. Wireless Commun., vol. 4, no. 4, pp. 1889-1900, July 2005.
• Real Time Signal Processing for Multi-Antenna Systems: Algorithms, Optimization and Implementation on an Experimental Test-bed
  T. Haustein, A. Forck, H. Gäbler, V. Jungnickel, and S. Schiffermüller, EURASIP - special issue on Implementation Aspects and Testbeds for MIMO Systems, 2005, accepted.
• Over-the-Air Demonstration of Spatial Multiplexing at High Data Rates using Real-Time Base-Band Processing
  V. Jungnickel, T. Haustein, A. Forck, U. Krueger, V. Pohl, and C. v. Helmolt, Advances in Radio Sciences, vol. 2, 2004.
• Capacity of MIMO Systems with Closely-Spaced Antennas
  V. Jungnickel, V. Pohl, and C. v. Helmolt, IEEE Commun. Letters, vol. 7, no. 9, pp. 361-363, Aug. 2003.
• Electronic Tracking for Wireless Infrared Communications
  V. Jungnickel, A. Forck, T. Haustein, U. Krüger, V. Pohl, and C. v. Helmolt, IEEE Trans. Wireless Commun., vol. 2, no. 5, pp. 989-999, Sept. 2003.
• A Physical Model of the Wireless Infrared Communication Channel
  V. Jungnickel, V. Pohl, S. Noennig, and C. v. Helmolt, IEEE J. Select. Areas Commun., vol. 20, no. 3, pp. 631-640, Apr. 2002.
• A Power and Bandwidth Efficient Modulation for Diffuse Wireless Infrared Communication
  U. Krüger, C. v. Helmolt, V. Jungnickel, and T. Haustein, Journal of Optical Communication, vol. 22, pp. 721-723, 2001.
• 155 Mbit/s Wireless Transmission with an Imaging Infrared Receiver
  V. Jungnickel, T. Haustein, A. Forck, and C. v. Helmolt, Electronics Letters, vol. 37, no. 5, pp. 314-315, 2001.
• Integrating Sphere Diffuser for Wireless Infrared Communication
  V. Pohl, V. Jungnickel, and C. v. Helmolt, IEE Proc.-Optoelectron, vol. 147, no. 4, pp. 281-285, Aug. 2000.
• Fast Word Synchronisation for Digital Pulse-Position Modulation
  V. Jungnickel, A. Can, and C. v. Helmolt, Electronics Letters, vol. 35, pp. 274-275, 1999.
• A Broadband Wireless Infrared LAN Architecture Compatible with the Ethernet Protocol
  V. Jungnickel, C. v. Helmolt, and U. Krüger, Electronics Letters, vol. 34, no. 25, p. 2371 – 2372, 1998.

Conference, Symposium, and Workshop Papers

• Acoustic Broadband Communications over Deep Drill Strings using Adaptive OFDM
  M. Gutierrez-Estevez, U. Krüger, K. Krüger, K. Manolakis, V. Jungnickel, K. Jaksch, K. Krüger, S. Mikulla, R. Giese, M. Sohmer, and M. Reich, IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, Apr. 2013.
• Spatial Degrees of Freedom in Small Cells: Measurements with Large Antenna Arrays
  V. Jungnickel, A. Brylka, U. Krueger, S. Jaeckel, M. Narandzic, M. Kaeske, M. Landmann, and R. Thomae, IEEE Workshop on Mobile and Wireless Communication Systems for 2020 and beyond, held in conjunction with VTC 2013, Dresden, Germany, IEEE, June 2013.
• Channel Prediction by Doppler-Delay Analysis and Benefits for Base Station Cooperation
  K. Manolakis, S. Jaeckel, V. Jungnickel, and V. Braun, IEEE 77th Vehicular Technology Conference (VTC), Dresden, Germany, June 2013.
• Acoustic Channel Model for a Drill String to Optimize OFDM Transmission
  M. A. Gutierrez-Estevez, U. Krüger, K. Krüger, K. Manolakis, and V. Jungnickel, 38th International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IEEE, Vancouver, Canada, May 2013.
• Backhaul Requirements for Inter-site Cooperation in Heterogenous LTE-Advanced Networks
  V. Jungnickel, K. Manolakis, S. Jaeckel, M. Lossow, P. Farkas, M. Schlosser, and V. Braun, IEEE International Conference on Communications (ICC), IEEE, Budapest, Hungary, June 2013, invited.
• Vibrationen aus der Tiefe – Wie neue Mobilfunktechniken helfen, große Datenmengen in kürzerer Zeit akustisch über einen Bohrstrang zu übertragen
  M. A. Gutierrez-Estevez, K. A. Krüger, K. Krüger, M. Groh, A. Jurczyk, M. Sohmer, U. Krüger, V. Jungnickel, K. Manolakis, K. Jaksch, R. Giese, and M. Reich, DGMK/ÖGEW-Frühjahrstagung, Fachbereich Aufsuchung und Gewinnung, Celle, Germany, Apr. 2013.
• Random Matrices and the Impact of Imperfect Channel Knowledge on Cooperative Base Stations
  K. Manolakis, C. Oberli, and V. Jungnickel, 14th International Workshop on Signal Processing Advances for Wireless Communications (SPAWC), IEEE, Darmstadt, Germany, June 2013, invited.
• Adaptive Feedback Compression for Joint Transmission Coordinated Multi-Point
  L. Schulz, K. Manolakis, and V. Jungnickel, IEEE 77th Vehicular Technology Conference (VTC), Dresden, Germany, June 2013.
• LTE Trials in the Return Channel Over Satellite
  V. Jungnickel, H. Gäbler, U. Krüger, K. Manolakis, and T. Haustein, 6th Advanced Satellite Multimedia Systems Conference, European Space Agency (ESA), IEEE, Baiona, Spain, Sept. 2012.
• Projekt SPWD-BUSData: Übertragung seismischer Daten mittels akustischer Wellen entlang des Bohrstranges
  K. Jaksch, M. A. G. Estevez, K. A. Krüger, U. Krüger, K. Manolakis, R. Giese, M. Groh, V. Jungnickel, A. Jurczyk, K. Krüger, S. Mikulla, S. Weisheit, M. Reich, and M. Sohmer, Der Geothermie Kongress, GtV - Bundesverband Geothermie, Karlsruhe, Germany, Nov. 2012.
• 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.
• Anwendung der neuesten Mobilfunktechniken auf akustische Wellen zur Verbesserung der Kommunikation in der Tiefbohrtechnik
  V. Jungnickel, M. A. G. Estevez, K. A. Krüger, U. Krüger, K. Manolakis, R. Giese, M. Groh, K. Jaksch, A. Jurczyk, K. Krüger, S. Mikulla, S. Weisheit, M. Reich, and M. Sohmer, Proc. DGMK/ÖGEW-Frühjahrstagung 2012, Fachbereich Aufsuchung und Gewinnung Celle, 19./20. April 2012, DGMK, April 2012, pp. 1-10, pdf available.
• Borehole Communication with Acoustic OFDM
  K. Manolakis, U. Krüger, K. Krüger, M. A. G. Estévez, S. Mikulla, and V. Jungnickel, 16th International OFDM-Workshop 2011 (InOWo'11), Hamburg, Germany, Sept. 2011.
• 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.
• Impact of Path Loss and Delay Spread on Base Station Cooperation
  K. Manolakis, S. Jaeckel, E. S. Márquez, and V. Jungnickel, 5th European Conference on Antennas and Propagation (EuCAP), IEEE, Rome, Italy, Apr. 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.
• Synchronization Requirements for OFDM-based Cellular Networks with Coordinated Base Stations: Preliminary Results
  K. Manolakis, C. Oberli, and V. Jungnickel, 15th International OFDM-Workshop 2010 (InOWo'10), Hamburg, Germany, Sept. 2010.
• Estimating MIMO Capacities from Broadband Measurements in a Cellular Network
  S. Jaeckel and V. Jungnickel, European Conference on Antennas and Propagation, Brarcelona, Spain, 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.
• Optimal transmitter and receiver design for Single-Carrier Frequency-Division Multiple Access (SC-FDMA)
  V. Jungnickel, S. Jaeckel, H. Wu, and T. Haustein, Int. SC-FDMA Workshop, New York, Mar. 2009.
• A Closed Concept for Synchronization and Cell Search in 3GPP LTE Systems
  K. Manolakis, D. M. Gutierrez-Estevez, V. Jungnickel, W. Xu, and C. Drewes, IEEE Wireless Communications and Networking Conference 2009 (WCNC), Budapest, Hungary, Apr. 2009.
• 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.
• 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.
• On the Optimality of Frequency-Domain Equalization in DFT-Spread MIMO-OFDM Systems
  S. Jaeckel and V. Jungnickel, Wireless Communications and Networking Conference (WCNC 2008), Las Vegas, IEEE, Apr. 2008, pp. 1172-1177.
• 12x12 MIMO-OFDM realtime implementation for 3GPP LTE+ on a Cell Processor
  D. Kühling, A. Ibing, and V. Jungnickel, 14th European Wireless Conference (EW 2008), Prague, CZ, June 2008.
• Synchronization and Cell Search for 3GPP LTE
  K. Manolakis and V. Jungnickel, 13th International OFDM Workshop 2008 (InOWo'08), Hamburg, Germany, Aug. 2008.
• 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.
• 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.
• 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.
• Scalable video transmission in multiantenna broadcast systems
  S. Jaeckel and V. Jungnickel, 14th European Wireless Conference (EW 2008), Prague, CZ, June 2008.
• Scaleable network multicast for cooperative base stations
  A. Ibing, Y. Hadisusanto, and V. Jungnickel, 3rd International Conference on Communication Systems Software and Middleware and Workshops, (COMSWARE 2008), Jan. 2008.
• Joint Transmission and Detection in Hexagonal Grid for 3GPP LTE
  A. Ibing and V. Jungnickel, International Conference on Information Networking, (ICOIN 2008), Jan. 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.
• 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.
• Performance Evaluation of a 3GPP LTE Terminal Receiver
  K. Manolakis, A. Ibing, and V. Jungnickel, European Wireless Conference 2008, Prague, Czech Republic, June 2008.
• SC-FDMA Waveform Design, Performance, Power Dynamics and Evolution to MIMO
  V. Jungnickel, T. Hindelang, T. Haustein, and W. Zirwas, IEEE Portable, Las Vegas, Mar. 2007.
• Mobile Zugangstechniken für Datenraten bis in den Gbit/s Bereich
  V. Jungnickel, ITG-Fachkonferenz Breitbandversorgung in Deutschland Berlin, Berlin, Germany, Mar. 2007, invited.
• On hardware implementation of multiuser multiplexing for SC-FDMA
  A. Ibing and V. Jungnickel, IEEE Vehicular Technology Conference (VTC-Fall 2007), Baltimore, Maryland, Oct. 2007.
• 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.
• MIMO-OFDM for a Cellular Deployment - Concepts, Real-Time Implementation and Measurements Towards 3GPP-LTE
  T. Haustein, J. Eichinger, W. Zirwas, E. Schulz, A. Forck, H. Gäbler, V. Jungnickel, S. Wahls, C. Juchems, F. Luhn, and R. Zavrtak, Proc. European Signal Processing Conference (EUSIPCO), Poznan, Poland, Sept. 2007, invited, available at http://www.eurasip.org/Proceedings/Eusipco/Eusipco2007/Papers/D1L-A04.pdf.
• Demonstration of Virtual MIMO in the Uplink
  V. Jungnickel, M. Schellmann, A. Forck, H. Gäbler, S. Wahls, A. Ibing, K. Manolakis, T. Haustein, W. Zirwas, J. Eichinger, E. Schulz, C. Juchems, F. Luhn, and R. Zavrtak, IET Smart Antennas and Cooperative Communications Seminar, London, UK, Oct. 2007, invited.
• 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.
• Adaptive Optical Wireless OFDM System with Controlled Asymmetric Clipping
  J. Grubor, V. Jungnickel, and K. Langer, Proc. of the Forty-First Asilomar Conference on Signals, Systems and Computers, Monterrey, CA, Nov. 2007, pp. 1896 - 1902.
• Rate-Adaptive Multiple Sub-carrier-Based Transmission for Broadband Infrared Wireless Communication
  J. Grubor, V. Jungnickel, and K. Langer, IEEE OFC/NFOEC OFC, Anaheim, CA, Mar. 2006.
• Adaptive-Modulation Technique in Wireless Infrared Indoor Communications
  J. Grubor, V. Jungnickel, and K. Langer, ITG Fachtagung Photonische Netze, Leipzig, Germany, Apr. 2006.
• Distributed organization of cooperative antenna systems
  W. Zirwas, E. Schulz, J. H. Kim, V. Jungnickel, and M. Schubert, 12th European Wireless (2006), Athens, GR, 2006.
• Effects of multiple users' CFOs in OFDM-SDMA up-link -- an interference model
  M. Schellmann and V. Jungnickel, International Conference on Communications (ICC), IEEE, Istanbul, Turkey, June 2006.
• 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.
• Rate-Maximized Switching Between Spatial Transmission Modes
  M. Schellmann, V. Jungnickel, A. Sezgin, and E. Costa, 40th Asilomar Conference on Signals, Systems and Computers, IEEE, Monterey, USA, Oct. 2006.
• Throughput Analysis of Diversity and Multiplexing Schemes for MIMO-SIC OFDM systems
  A. Sezgin, M. Schellmann, V. Jungnickel, and E. Costa, 40th Asilomar Conference on Signals, Systems and Computers, IEEE, Monterey, USA, Oct. 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.
• Practical Channel Interpolation for OFDMA
  S. Schiffermüller and V. Jungnickel, Proc. IEEE Global Telecommun. Conf. (GLOBECOM 2006), San Francisco, California, Nov. 2006, accepted.
• 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.
• Real-Time Experiments on Channel Adaptive Transmission in the Multi-User Up-link at very high Data Rates using MIMO-OFDM
  T. Haustein, A. Forck, H. Gäbler, V. Jungnickel, and S. Schiffermüller, Proc. 14th Internat. Europ. Signal Processing Conf. (EUSIPCO 2006), Florence, Italy, Sept. 2006, invited.
• Bit-Loading for Modulation-Adaptive Transmission in Infrared Wireless Indoor Communication
  J. Grubor, V. Jungnickel, and K. Langer, 2nd IET International Conference on Engineering and Technology, June 2006.
• MIMO-OFDM for Wireless High Data Rate
  T. Haustein, V. Jungnickel, E. Schulz, and W. Zirwas, 13th Int. Conference on Telecommunications (ICT '06), Madeira, Portugal , May 2006, invited.
• Multi-Cell Outdoor MIMO-Measurements
  S. Jaeckel and V. Jungnickel, VDE Kongress, Aachen, DE, Oct. 2006.
• Instantaneous synchronization for the up-link of multi-user MIMO-OFDM systems
  M. Schellmann and V. Jungnickel, 10th International OFDM-Workshop (INOWO 2005), Hamburg, DE, 2005.
• A MIMO system with reciprocal transceivers for the time-division duplex mode
  V. Jungnickel, U. Krüger, G. Istoc, T. Haustein, and C. v. Helmolt, Proc. IEEE Int. Symp. Antennas and Propagation, Monterrey, CA, June 2005.
• Instantaneous synchronisation for the uplink of multi-user MIMO-OFDM systems
  M. Schellmann and V. Jungnickel, 10th International OFDM Workshop (InOWo), Hamburg, Aug. 2005.
• On the value of spatial diversity for the synchronisation in MIMO-OFDM systems
  M. Schellmann, V. Jungnickel, and C. v. Helmolt, PIMRC 2005, IEEE, Berlin, Sept. 2005.
• A MIMO RAKE Receiver with Enhanced Interference Cancellation
  V. Jungnickel, H. Chen, and V. Pohl, Proc. 61st IEEE Semiannual Vehicular Techn.Conf. (VTC 2005), vol. 5, Stockholm, Sweden, May 2005, pp. 3137-3141.
• 1Gbit/s MIMO-OFDM Transmission Experiments
  V. Jungnickel, A. Forck, T. Haustein, S. Schiffermüller, C. v. Helmolt, F. Luhn, M. Pollock, C. Juchems, M. Lampe, W. Zirwas, J. Eichinger, and E. Schulz, Proc. 62nd IEEE Semiannual Vehicular Techn. Conf. (VTC 2005) , vol. 2, Dallas, USA, Sept. 2005, pp. 861-866.
• Interpolation and Noise Reduction in MIMO-OFDM - A Complexity Driven Perspective
  T. Haustein, S. Schiffermüller, V. Jungnickel, M. Schellmann, T. Michel, and G. Wunder, Proc. 8th International Symposium on Signal Processing and Its Applications (ISSPA 2005), vol. 1, Sydney, Australia, Aug. 2005, pp. 143-146.
• Capacity Analysis in Indoor Wireless Infrared Communication using Adaptive Multiple Subcarrier Transmission
  J. Grubor, V. Jungnickel, and K. Langer, Proc. 7th International Conference on Transparent Optical Networks (ICTON 2005), vol. 2, Barcelona, Spain, July 2005, pp. 171-174.
• Performance of MIMO Rake receivers in WCDMA systems
  V. Jungnickel, Y. Chang, and V. Pohl, IEEE Wireless Communications and Networking Conference (WCNC '04), vol. 4, Atlanta, GA, 2004, pp. 2075-2080.
• Optimal Length of the Training and Data Phase in Continuous Flat Fading MIMO Channels
  V. Pohl, V. Jungnickel, and C. v. Helmolt, IEEE Intern. Conf. on Commun. (ICC), vol. 6, Paris, France, June 2004, pp. 3153-3157.
• Real-time concepts for MIMO-OFDM
  V. Jungnickel, T. Haustein, A. Forck, S. Schiffermueller, H. Gaebler, C. v. Helmolt, W. Zirwas, J. Eichinger, and E. Schulz, Proc. CIC/IEEE Global Mobile Congress, Shanghai, China, Oct. 2004.
• A multicode space-frequency RAKE receiver
  H. Chen, V. Jungnickel, V. Pohl, and C. v. Helmolt, 38th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2004.
• Implementation of channel aware scheduling and bit-loading for the multiuser SIMO MAC in a real-time MIMO demonstration test-bed at high data rate
  T. Haustein, C. Zhou, A. Forck, H. Gäbler, C. v. Helmolt, V. Jungnickel, and U. Krüger, IEEE Vehicular Technology Conference (VTC-Fall 2004), Los Angeles, CA, 2004, pp. 1043-1047.
• Implementation of adaptive channel inversion in a real-time MIMO system
  T. Haustein, A. Forck, H. Gäbler, C. v. Helmolt, V. Jungnickel, and U. Krüger, 15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC '04), Lisbon, PT, Sept. 2004, pp. 2524-2528, This paper received a BEST PAPER AWARD.
• Maximum diversity detection for layered space-time codes
  A. Sezgin, E. Jorswieck, and V. Jungnickel, 57th IEEE Vehicular Technology Conference, VTC 2003-Spring, Jeju Island, Korea, Apr. 2003, p. 833 – 837.
• How Often Channel Estimation is Needed in MIMO Systems
  V. Pohl, P. Nguyen, V. Jungnickel, and C. v. Helmolt, IEEE Global Telecommun. Conf. (GLOBECOM), vol. 2, San Francisco, CA, USA, Dec. 2003, pp. 814-818.
• The Effect of Path Loss Variations on the Capacity of MIMO Systems
  V. Pohl, V. Jungnickel, T. Haustein, and C. v. Helmolt, European Personal Mobile Commun. Conf. (EPMCC), Glasgow, UK, Apr. 2003, pp. 458-462.
• Limits of the Achievable Symbol Rate in Flat Fading MIMO Systems
  V. Pohl, P. Nguyen, V. Jungnickel, and C. v. Helmolt, Proc. 14th IEEE Intern. Symposium on Personal, Indoor and Mobile Radio Commun. (PIMRC), vol. 3, Bejing, China, Sept. 2003, pp. 2548-2552.
• Link adaptation in a multi-antenna system
  V. Jungnickel, T. Haustein, V. Pohl, and C. v. Helmolt, IEEE 57thVehicular Technology Conference (VTC 2003-Spring), vol. 2, Jeju Island, Korea, Apr. 2003, pp. 862 - 866.
• Experiments on the element spacing in multi-antenna systems
  V. Jungnickel, V. Pohl, and C. v. Helmolt, IEEE 57th Vehicular Technology Conference (VTC 2003 Spring), Jeju Island, Korea, Apr. 2003, p. 1124–1126.
• Over-the-air demonstration of spatial multiplexing at high data rates using real-time base-band processing
  V. Jungnickel, A. Forck, T. Haustein, U. Krueger, V. Pohl, and C. v. Helmolt, Kleinheubacher Tagung, Miltenberg, DE, 2003, INVITED PAPER.
• Performance of MIMO systems with channel inversion
  T. Haustein, C. v. Helmolt, E. Jorswieck, and V. Jungnickel, IEEE 55th Vehicular Technology Conference (VTC Spring '02), Altantic City, 2002, p. 35 – 39.
• On linear pre-processing in multi-antenna systems
  V. Jungnickel, T. Haustein, E. Jorswieck, and C. v. Helmolt, Global Telecommunications Conference (GLOBECOM 2002), Taipeh, TW, Nov. 2002, p. 1012 – 1016.
• On the performance of signal detection algorithms in flat-fading and frequency-selective MIMO channels
  E. Jorswieck, V. Jungnickel, T. Haustein, V. Pohl, and C. v. Helmolt, IEEE 55th Vehicular Technology Conference (VTC Spring-2002), Atlantic City, May 2002, pp. 40-44.
• Zero Forcing Equalizing Filter for MIMO Channels with Intersymbol Interference
  V. Pohl, V. Jungnickel, E. Jorswieck, and C. v. Helmolt, IEEE Intern. Symposium on Personal, Indoor and Mobile Radio Commun. (PIMRC), Lissabon, Portugal, sept 2002, pp. 1037-1041.
• Antenna Spacing in MIMO Indoor Channels
  V. Pohl, V. Jungnickel, T. Haustein, and C. v. Helmolt, IEEE Veh. Technol. Conf. (VTC), vol. 2, Birmingham, USA, May 2002, pp. 749-753.
• High capacity antennas for MIMO radio systems
  V. Jungnickel, V. Pohl, H. Nguyen, U. Kruger, T. Haustein, and C. v. Helmolt, 5th Int. Symp. Wireless Personal Multimedia Communications (WPMC'02), Honolulu, Hawaii, Oct. 2002, pp. 407-411.
• Performance of a MIMO System with Overlay Pilots
  V. Jungnickel, T. Haustein, E. Jorswieck, V. Pohl, and C. v. Helmolt, IEEE Globecom 2001, San Antonio, TX , Nov. 2001.
• A MIMO WLAN Based on Linear Channel Inversion
  V. Jungnickel, T. Haustein, E. Jorswieck, and C. v. Helmolt, IEE Seminar on MIMO Communications Systems: From Concept to Implementations, London, UK, Dec. 2001, pp. 20/1 - 20/6.
• A radio system with multi-element antennas
  V. Jungnickel, V. Pohl, U. Krüger, C. v. Helmolt, T. Haustein, and S. Stanczak, IEEE Semiannual Vehicular Technology Conference (VTC Spring 2001), Rhodes Island, Greece, May 2001.
• Wireless Infrared Communications Beyond 100 Mbit/s: System Design, Transmission Experiments and Potential
  V. Jungnickel, A. Forck, T. Haustein, U. Krüger, V. Pohl, and C. v. Helmolt, 5th World Multiconference on Systemics, Cybernetics and Informatics, Orlando, FL, 2001, pp. 413-420, INVITED PAPER.
• Bit Error Rates for a MIMO System in Rayleigh and Rician Channels
  T. Haustein, E. Jorswieck, V. Jungnickel, U. Krueger, V. Pohl, and C. v. Helmolt, 54rd Vehicular Technology Conference (VTC-Fall '01), Atlantic City, NJ, Oct. 2001.
• Inverse eigenvalue statistics for Rayleigh and Rician MIMO channels
  E. Jorswieck, G. Wunder, V. Jungnickel, and T. Haustein, IEE Seminar on MIMO Communications Systems: From Concept to Implementations, Dec. 2001, pp. 3/1 - 3/5.
• A Channel Model for Wireless Infrared Communication
  V. Pohl, V. Jungnickel, and C. v. Helmolt, 11th IEEE International Symposium on Personal, Indoor and Mobile Radio Communication (PIMRC' 00), London, U.K., 2000.
• A switched beam infrared system for indoor access to IBMS
  A. Forck, T. Haustein, C. v. Helmolt, V. Jungnickel, U. Krüger, S. Nönnig, and R. Ziegler, European Wireless, Dresden, Germany, Sept. 2000.
• Wireless Infrared Communication using Adaptive Arrays
  V. Jungnickel, C. v. Helmolt, T. Haustein, and U. Krüger, 4th ACTS Mobile Communications Summit, Sorrento, Italy, June 1999, pp. 979-984.
• WIReLAN: A Broadband Wireless IR LAN Architecture Compatible with the Ethernet Protocol
  V. Jungnickel, C. v. Helmolt, and U. Krüger, European Conference on Optical Communications (ECOC '98), Madrid, Spain, 1998.
• Fast Word Synchronisation for Mobile Optical Communication
  V. Jungnickel, A. Can, and C. v. Helmolt, Internat. Wiss. Kolloquium (IWK), Ilmenau, Germany, Sept. 1998.