PD Dr.-Ing. habil. Gerhard Wunder

Contact:

Room: G108 Telephone: +49(0)30-31002-872 Fax: +49(0)30-31002-863 Email: gerhard dot wunder at hhi dot fraunhofer dot de Opening hours: n.V.

Teaching:

Winter term

• lecture VL Informationstheorie I
• lecture UE Informationstheorie I

Summer term

lecture VL Schätz- und Entscheidungstheorie für nachrichtentechnische Systeme

Research interests:

NEWS:

**5GNOW has started! I'm coordinating 5GNOW, 5th Generation Non-Orthogonal Waveforms5GNOW 5th Generation Non-Orthogonal Waveforms, EU FP7 ICT Call Project (2012--2015), www.5gnow.eu

**PROPHYLAXE is going to start in 2013! PROPHYLAXE is the German BMBF physical layer security project, web page soon tba

**I'm looking for PhD candidate or PostDoc within the area of PROPHYLAXE physical layer security project, Skills: information theoretic security, advanced signal processing, Contact: gerhard.wunder@hhi.fraunhofer.de

**I'm looking for PhD candidate in the area of Energy efficiency/PAPR problem; please request the article "G. Wunder, R. F. H. Fischer, H. Boche, S. Litsyn, J,-S. No, The PAPR Problem in OFDM Transmission: New Directions for a Long-Lasting Problem, IEEE Signal Processing Magazine, 2012 (in production)", Skills: Communication/Information Theory, Advanced Signal Processing (Sparse Signal Processing), Contact: gerhard.wunder@hhi.fraunhofer.de -

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ACADEMIA:

**I am an Editor for the IEEE Transactions on Wireless Communications (TWireless) in the area of Wireless Communications Theory and Systems (WCTS)

**I am recipient of the Best Paper Award of the German communication engineering society ("ITG Preis 2011") for the paper: An Optimization Framework for Heterogeneous Access Management, J. Bühler and G. Wunder, IEEE Trans. on Communications 2010

**TPC Activities: IEEE Globecom 2013, IEEE PIMRC 2013, Future Network & Mobile Summit 2013, IEEE VTC’13 Spring, IEEE WSA‘13, ISWCS 2013, ISSSE’12, Valuetools 2012, IEEE WSA‘12

**I am Lead Guest Editor for Special Issue: Precoding and Transmitter-Side Processing Techniques for Multiuser MIMO OFDM Systems with Special Emphasis on the PAPR Problem, Springer Journal on Advances in Signal Processing Guest Editors: Gerhard Wunder, Robert Fischer, Jeong-Seon No, Simon Litsyn Publication Date: August 31, 2011

**I'm giving a Tutorial on the PAPR Problem in Multicarrier transmission together with Prof. S. Litsyn, Tel Aviv University, Dep. Electrical and Engineering Systems, ISRAEL and Prof. H. Boche, TU Munich, Germany

** Invited Talks: (Upcoming) Total Telecom 5G World 2013–The Future of Mobile, 3rd Dec.,2013, London (UK), http://www.totaltele.com/, (keynote guest speaker)

(Upcoming) ASILOMAR Conference 2013, System-level interfaces and performance evaluation methodology for 5G physical layer based on non-orthogonal waveforms, 3rd-6th Nov. 2013, http://asilomarssc.org/ (invited paper, talk)

(Upcoming) PROPHYLAXE–Effizientes Schlüsselmanagement für mehr Sicherheit im Internet der Dinge, Fraunhofer-Symposium »Netzwert«, 3./4. Dez. 2013, München, (invited talk)

(Upcoming) Research Challenges for Communications in 2020, EC Future Network and Mobile Summit Workshop (together with METIS), 3rd July 2013, Lissabon (Portugal), http://www.futurenetworksummit.eu/2013/, (talk, Panelist)

(Upcoming) Internet Architectures - Fixed and Wireless in 4th EU Summit on the Future Internet, organized by University of Luxembourg (SNT) and TICE.PT, Aveiro (Portugal), 13th June 2013, http://www.av.it.pt/Future_Internet_European_Summit/, (invited talk, Panelist)

(Upcoming) Mobile and Wireless Communication Systems for 2020 and beyond, in Vehicular Technology Conference (VTC) 2013 Spring, 2nd June 2013 http://mwc2020.verkstad.net/?page_id=481, (invited talk, Panelist)

(Upcoming) 5G Panel, in European Conference on CommunicationTechnologies and Software Defined Radio (SDR WInnComm Europe) Munich, 13th June 2013, http://groups.winnforum.org/Europe_2013_Agenda, organized by Wireless Innovation Forum, http://www.wirelessinnovation.org (invited talk, Panelist)

Wireless World Research Forum (WWRF), 30th Meeting, 23th April 2013, Oulu (Finland), http://www.wwrf30.ch (invited talk)

5G Panel, in EC Concertation RAS cluster meeting, 28th Feb. in Brussels, https://ec.europa.eu/digital-agenda/en/future-networks-concertation-meetings (invited talk, Panelist)

Smart Radio: Auf dem Weg zu einer drahtlosen Welt?, in BITKOM Akademie: Workshop über die Zukunft der Funktechnologien, 16th April 2013 in Köln (invited talk)

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NEW PAPERS:

"G. Wunder, R. F. H. Fischer, H. Boche, S. Litsyn, J,-S. No, The PAPR Problem in OFDM Transmission: New Directions for a Long-Lasting Problem, IEEE Signal Processing Magazine, 2012 (in production)"

"G. Wunder, J. Schreck, and P. Jung, Nearly Doubling the Throughput of Multiuser MIMO Systems Using Codebook Tailored Limited Feedback Protocol, IEEE Transactions on Wireless Communications"http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6314466

M. Kasparick and G. Wunder, Wireless Network Design Under Service Constraints, 50th Annual Allerton Conference on Communication, Control, and Computing, Oct. 2012

"R. Abi-Akl, S. Valentin, G. Wunder, S. Stańczak, Compensating for CQI Aging By Channel Prediction: The LTE Downlink, GLOBECOM 2012"

"J. Bühler and G. Wunder, Multiple Access Channel Interfering with a Point to Point Link: Linear Deterministic Sum Capacity, IEEE International Conference on Communications (ICC), Ottawa, Canada, 2012"

"G. Wunder and M. Kasparick, Universal Stability and Cost Optimization in Controlled Queueing Networks, 2012 IEEE Wireless Communications and Networking Conference (WCNC), Paris, Apr. 2012"

"J. Schreck and G. Wunder, Iterative Interference Alignment for Cellular Systems with User Selection, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), March 2012"

Analysis of Alternative Metrics for the PAPR Problem in OFDM Transmission, ISIT 2011, G. Wunder

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Main research:

• 3GPP LTE Advanced
• Network control and queuing
• Coordination and Cooperation
• Network information theory
• Information-theoretic security
• Energy efficiency/PAPR control

Projects:

• 5GNOW "5th Generation Non-Orthogonal Waveforms European Project FP7-ICT-2011 Call 8 (2012-2015)
• DFG Project: COIN Generalized MaxWeight Algorithms over Non-Convex Rate Regions in Wireless Networks with Multiple Antennas
• DFG Project: Duality Relations in Multiuser Mobile Communication Systems
• WIFi LUFO Simcab (Airbus,...)
• BMBF EASY-C
• BMBF Project ScaleNet over 3 Years
• General project manager of 4 years BMBF project MOSCOVA (part of 3GeT)
• Various industry projects in the field of OFDM + HSDPA + WIMAX
• Multicarrier communication systems, 3 years BMBF project MULTIMODE (part of HyEff)

Theses:

PHd Thesis "A mathematical framework for the PAPR power control problem", Technical University Berlin 2003

Diploma thesis on distributed control theory

Undergraduate thesis on filter design by semiinfinite optimization

Publications:

Journal Papers

• Nearly Doubling the Throughput of Multiuser MIMO Systems Using Codebook Tailored Limited Feedback Protocol
  G. Wunder, J. Schreck, and P. Jung, Wireless Communications, IEEE Transactions on, vol. 11, no. 11, pp. 3921-3931, Nov. 2012.
• A Fundamental Characterization of Stability in Broadcast Queueing Systems
  C. Zhou and G. Wunder, submitted, 2009.
• Delay-Limited Transmission in OFDM Systems: Performance Bounds and Impact of System Parameters
  G. Wunder, T. Michel, and C. Zhou, submitted to IEEE Transactions on Wireless Communications, accepted, 2009.
• Queueing Analysis for the OFDMA Downlink: Throughput Regions, Delay and Exponential Backlog Bounds
  G. Wunder and C. Zhou, to appear in the IEEE Transactions on Wireless Communications, 2009.
• Utility Optimization based on MSE for Parallel Broadcast Channels: The Square Root Law
  I. Blau, G. Wunder, and T. Michel, Wireless Personal Communications, 2009, DOI 10.1007/s11277-009-9890-1.
• Multiuser OFDMA Optimization: Algorithms and Duality Gap Analysis
  G. Wunder, T. Michel, and C. Zhou, submitted, 2009.
• Decentralized Utility Maximization in Heterogeneous Multi-cell Scenarios with Interference Limited and Orthogonal Air-Interfaces
  I. Blau, G. Wunder, I. Karla, and R. Sigle, EURASIP Journal on Wireless Communications and Networking , vol. 2009, 2009, Article ID 104548 doi:10.1155/2009/104548.
• Throughput-optimal Scheduling with Low Average Delay for Cellular Broadcast Systems
  C. Zhou and G. Wunder, EURASIP Journal on Advances in Signal Processing, vol. special issue on Cross-Layer Design for the Physical,MAC, and Link Layer in Wireless Systems, 2008.
• Throughput maximization under rate requirements for LTE OFDMA Downlink with limited feedback
  G. Wunder, Z. Chan, S. Kaminski, and H. E. Bakker, EURASIP Journal on Wireless Commun. and Networking, special issue on multicarrier, Vol. 2008, special issue on multicarrier, editor: A. Svensson.
• Iterative Water-Filling Algorithms for Power Efficiency Optimization in MIMO Broadcast Channels
  T. Michel and G. Wunder, AEÜ-Archiv f. Elektronik u. Übertragungstechnik, 2008, to be published.
• The WSSUS Pulse Design Problem in Multicarrier Transmission
  P. Jung and G. Wunder, IEEE Transaction on Communications, vol. 55, no. 10, pp. 1918-1928, Oct. 2007, see arxiv: http://www.arxiv.org/abs/cs.IT/0509079.
• Optimal Resource Allocation for parallel Broadcast Channels: Minimum rate constraints and sum power minimization
  G. Wunder and T. Michel, IEEE Trans. on Information Theory, vol. 53, no. 12, pp. 4817-4822, Dec. 2007.
• Generalized bounds on the crest-factor distribution of OFDM signals with applications to code design
  S. Litsyn and G. Wunder, IEEE Trans. on Inform. Theory, vol. 52, no. 3, pp. 992-1006, Mar. 2006.
• On Pilot-based Multipath Channel Estimation for Uplink CDMA Systems: An Overloaded Case
  S. Stanczak, G. Wunder, and H. Boche, IEEE Trans. on Signal Processing, vol. 54, no. 2, pp. 512-519, Feb. 2006.
• On Time-Variant Distortions in Multicarrier Transmission with Application to Frequency Offsets and Phase Noise
  P. Jung and G. Wunder, IEEE Transactions on Communications, vol. 53, no. 9, pp. 1561-1570, Sept. 2005, ftp://ftp.hhi.de/jungp/publications/Journals/04-0395/final.pdf or arxiv : http://www.arxiv.org/abs/cs.IT/0509087.
• Abschätzung der Normen von Operatoren analytischer Funktionen
  H. Boche and G. Wunder, Complex Variables, vol. 48, no. 3, pp. 211-219, Mar. 2003.
• Peak value estimation of bandlimited signals from their samples, noise enhancement, and a local characterization in the neighborhood of an extremum
  G. Wunder and H. Boche, IEEE Trans. on Signal Processing, vol. 51, no. 3, pp. 771-780, Mar. 2003.
• Upper bounds on the statistical distribution of the crest-factor in OFDM transmission
  G. Wunder and H. Boche, IEEE Trans. on Information Theory, vol. 49, no. 2, pp. 488-494, Feb. 2003.
• Peak magnitude of oversampled trigonometric polynomials
  G. Wunder and H. Boche, Frequenz, no. 5-6, pp. 102-109, May/June 2002.
• Über eine Verallgemeinerung eines Resultats von Riesz über trigonometrische Polynome auf allgemeine bandbegrenzte Funktionen (Concerning a generalisation of a result by Riesz about trigonometric series to band-limited signals)
  H. Boche and G. Wunder, Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), vol. 82, no. 5, pp. 347-351, May 2002.

Conference, Symposium, and Workshop Papers

• Multi-User MIMO Multi-Cell Systems: Finite SNR Rate Loss Gap Analysis
  G. Wunder, S. Raghuprakash, J. Schreck, and P. Jung, 17th International ITG Workshop on Smart Antennas (WSA'13), Mar. 2013.
• 5GNOW: Application Challenges and Initial Waveform Results
  G. Wunder, M. Kasparick, T. Wild, F. Schaich, Y. Chen, S. t. Brink, I. Gaspar, N. Michailow, A. Navarro, G. Fettweis, N. Cassiau, D. Ktenas, M. Dryjanski, S. Pietrzyk, and B. Eged, Proceedings Future Network & Mobile Summit 2013, Lisbon, July 2013, Poster Paper, accepted.
• 5GNOW: Challenging the LTE Design Paradigms of Orthogonality and Synchronicity
  G. Wunder, M. Kasparick, S. t. Brink, F. Schaich, T. Wild, I. Gaspar, E. Ohlmer, S. Krone, N. Michailow, A. Navarro, G. Fettweis, D. Ktenas, V. Berg, M. Dryjanski, S. Pietrzyk, and B. Eged, Mobile and Wireless Communication Systems for 2020 and beyond, Workshop at IEEE VTC 2013 – Spring, June 2013, accepted, Preprint available on arxiv: http://arxiv.org/abs/1212.4034.
• μ-MaxWeight Queueing Network Control With Application To In-Flight Entertainment Systems
  M. Kasparick and G. Wunder, Future Network & Mobile Summit 2012, Berlin, July 2012.
• Universal Stability and Cost Optimization in Controlled Queueing Networks
  G. Wunder and M. Kasparick, 2012 IEEE Wireless Communications and Networking Conference (WCNC), Apr. 2012.
• Interference Alignment Over Limited Dimensions for Cellular Networks: Feasibility and Algorithms
  J. Schreck and G. Wunder, International ITG Workshop on Smart Antennas 2012, IEEE, Dresden, Germany, Feb. 2012, pp. 1-8.
• Combining Cost-Based Queueing Control With Resource Allocation In Wireless Networks
  M. Kasparick and G. Wunder, Proc. 16th International ITG Workshop on Smart Antennas (WSA '12), Dresden, Mar. 2012.
• Iterative Interference Alignment for Cellular Systems with User Selection
  J. Schreck and G. Wunder, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2012.
• Compensating for CQI Aging by Channel Prediction: The LTE Downlink
  R. A. Akl, S. Valentin, G. Wunder, and S. Stanczak, Proc. IEEE Global Telecommunication Conference (GLOBECOM), Anaheim, California, USA, Dec. 2012.
• Wireless Network Design Under Service Constraints
  M. Kasparick and G. Wunder, 50th Annual Allerton Conference on Communication, Control, and Computing, Oct. 2012.
• Multiuser MIMO Systems Using Codebook Tailored Limited Feedback Protocol
  G. Wunder, P. Jung, and J. Schreck, Mar. 2012.
• Distributed Interference Alignment in Cellular Systems: Analysis and Algorithms
  J. Schreck and G. Wunder, IEEE European Wireless, Apr. 2011.
• Compressed Sensing Based Channel State Feedback for Cooperating MIMO-OFDM Systems
  J. Schreck, P. Jung, and G. Wunder, 16th International OFDM-Workshop, Hamburg, 2011.
• Autonomous Distributed Power Control Algorithms for Interference Mitigation in Multi-Antenna Cellular Networks
  M. Kasparick and G. Wunder, 17th European Wireless Conference, Vienna, Apr. 2011.
• Iterative Interference Alignment for Cellular Systems
  J. Schreck and G. Wunder, International ITG Workshop on Smart Antennas, Aachen, Germany, Feb. 2011.
• A Robust and Efficient Transmission Technique for the LTE Downlink
  G. Wunder and J. Schreck, Asilomar Conference on Signals, Systems, and Computers 2010,, 2010.
• Self-Organizing Distributed Inter-Cell Beam Coordination in Cellular Networks with Best Effort Traffic
  G. Wunder, M. Kasparick, A. Stolyar, and H. Viswanathan, 8th Intl. Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt 2010), June 2010.
• A new Robust Transmission Technique for the Multiuser MIMO Downlink
  G. Wunder, J. Schreck, P. Jung, H. Huang, and R. Valenzuela, 2010 IEEE International Sysmposium on Information Theory (ISIT 2010) , June 2010.
• On Base Station Coordination in the LTE Downlink With Limited Feedback
  J. Schreck, P. Jung, and G. Wunder, 15th International OFDM-Workshop 2010, 2010.
• A PAPR Algorithm That Achieves Asymptotically Zero Error Probability With Backoff Below $\frac{\log \left( N\right) }{2}$
  G. Wunder and J. Schreck, 15th International OFDM-Workshop 2010, 2010.
• Rate Approximation: A new Paradigm for Multiuser MIMO Downlink Communications
  G. Wunder, J. Schreck, P. Jung, H. Huang, and R. Valenzuela, IEEE International Communications Conference (ICC), 2010.
• Approximation of Multiuser Rates in MIMO OFDM Downlink Systems
  J. Schreck, P. Jung, and G. Wunder, 14th International OFDM-Workshop, 2009.
• A Fundamental Characterization of Stability in Broadcast Queueing Systems
  C. Zhou and G. Wunder, in Proc. of IEEE International Symposium on Information Theory (ISIT), Seoul, June 2009.
• Robust Path Detection for the LTE Downlink based on Compressed Sensing
  P. Jung, W. Schüle, and G. Wunder, accepted for the 14th International OFDM-Workshop, 2009.
• Limited Feedback in Multiuser MIMO OFDM Systems Based on Rate Approximation
  J. Schreck, P. Jung, and G. Wunder, IEEE Globecom 2009 Wireless Communications Symposium, 2009.
• Decentralized Utility Maximization in Heterogeneous Multi-cell Scenarios
  I. Blau, G. Wunder, I. Karla, and R. Sigle, Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'08) , Cannes, France, 2008.
• General Stability Conditions in Wireless Broadcast Channels
  C. Zhou and G. Wunder, Forty-Sixth Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, Sept. 2008.
• A Short-Term Throughput Measure for Communications with ARQ Protocols
  A. Giovanidis, G. Wunder, and H. Boche, Proc. 7th International ITG Conference on Source and Channel Coding (SCC 08), Ulm, Germany, Jan. 2008.
• Multiuser OFDMA optimization: Algorithms and Duality Gap Analysis
  G. Wunder and T. Michel, Proc. ITG/IEEE Int. Workshop on Smart Antennas (WSA), Darmstadt, Feb. 2008.
• Optimal Control of Transmission Errors with Power Allocation and Stability in ARQ Downlink
  A. Giovanidis, G. Wunder, H. Boche, and S. Stefanov, Proc. 42nd Annual Conference on Information Sciences and Systems (CISS'08), Princeton, USA, Mar. 2008.
• Optimal Power Allocation Policies for the Reliable Transmission of a Single Packet via ARQ Protocols
  M. Wiese, A. Giovanidis, and G. Wunder, Proc. of 42nd Annual Asilomar Conf. on Signals, Systems, and Computers, Monterey, USA, Oct. 2008.
• Queuing Analysis for Multiuser Downlink Channel: Throughput Regions and Exponential Backlog Bounds
  G. Wunder and C. Zhou, Proc. of IEEE GLOBECOM Communication Conference, 2008.
• Utility Maximization for OFDMA systems over discrete sets
  C. Zhou, G. Wunder, and T. Michel, Proc. IEEE Int. Conf. on Communications (ICC), Glasgow, June 2007.
• Achieving QoS and Efficiency in the MIMO Downlink with Limited Power
  T. Michel and G. Wunder, Proc. ITG/IEEE Int. Workshop on Smart Antennas (WSA), Vienna, Feb. 2007.
• Throughput aware power-balancing for the MIMO Gaussian MAC
  T. Michel and G. Wunder, Proc. 8th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Helsinki, June 2007.
• Nonlinear Downlink Beamforming under QoS Constraints: Optimum Precoding Order and the Need for Time-Sharing
  T. Michel and G. Wunder, Proc. IEEE Int. Symp. on Personal, Indoor and Mobile Radio Communications (PIMRC), Athens, Greece, Sept. 2007, invited.
• User Allocation in Multi-System, Multi-Service Scenarios: Upper and Lower Performance Bound of Polynomial Time Assignment Algorithm
  I. Blau and G. Wunder, Conference on Information Sciences and Systems (CISS '07), Baltimore USA, 2007.
• Cost Based Heterogeneous Access Management in Multi-Service, Multi-System Scenarios
  I. Blau, G. Wunder, I. Karla, and R. Sigle, The 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC '07), 2007.
• On optimization of multiuser systems using interference calculus
  G. Wunder and T. Michel, Proc. Asilomar Conference on Signals, Systems, and Computers, Nov. 2007, invited.
• A Novel Low Delay Scheduling Algorithm for OFDM Broadcast Channels
  C. Zhou and G. Wunder, IEEE GLOBECOM Communication Conference, Washington, Nov. 2007.
• Utility Optimization based on MSE for Parallel Broadcast Channels: The Square Utility Optimization based on MSE for Parallel Broadcast Channels: The Square Root Law
  G. Wunder, I. Blau, and T. Michel, 45th Annual Allerton Conference on Communication, Control, and Computing, Sept. 2007.
• An Optimal Stopping Approach to ARQ Protocols with Variable Success Probabilities per Retransmission
  A. Giovanidis, G. Wunder, and H. Boche, Proc. of 45th Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL USA, Sept. 2007.
• Delay-limited OFDM broadcast capacity region and impact of system parameters
  G. Wunder and T. Michel, Proc. IEEE Information Theory Workshop (ITW'06), Punta del Este, Uruguay, Mar. 2006.
• Minimum Rates Scheduling for OFDM Broadcast Channels
  T. Michel and G. Wunder, Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP '06), May 2006.
• Approaching the delay-limited OFDM broadcast capacity with OFDMA
  G. Wunder and T. Michel, Proc. 7th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC '06), Cannes, France, July 2006.
• A Generic OFDM Downlink Scheduling Policy Incorporating Service Induced Rate Constraints
  T. Michel, C. Zhou, and G. Wunder, 15th IST Mobile & Wireless Communications Summit, Myconos, Greece, June 2006.
• A Framework For Resource Allocation in OFDM Broadcast Systems
  G. Wunder, T. Michel, and C. Zhou, Proc. 14th European Signal Processing Conference (EUSIPCO), Sept. 2006, invited.
• Sum Rate Iterative Water-Filling for Gaussian MIMO Broadcast Channels
  T. Michel and G. Wunder, Proc. 9th Intern. Symposium on Wireless Personal Multimedia Commun. (WPMC), San Diego, USA, 2006.
• Minimum Rates Scheduling for MIMO-OFDM Broadcast Channels
  G. Wunder and T. Michel, Proc. 9th IEEE Intern. Symp. on Spread Spectrum Techniques and Applications (ISSSTA 2006), Manaus, Brazil, Aug. 2006, invited.
• Minimum Delay and Buffer Length Bounds for Stable OFDM Broadcast Systems
  G. Wunder, C. Zhou, and T. Michel, IEEE Int. Symposium on Information Theory and its Applications (ISITA), Seoul, Korea, 2006.
• Performance of the WiMAX Ranging Process in High Mobility Environments
  M. Schellmann, A. Sezgin, G. Wunder, H. Halbauer, and R. Muenzner, The 9th International Symposium on Wireless Personal Multimedia Communications (WPMC), San Diego, USA, Sept. 2006.
• The low and high SNR behavior of the OFDM delay limited capacity
  G. Wunder and T. Michel, Proc. of Allerton Conference on Communication, Control and Computing, Monticello, USA, Sept. 2006.
• Optimal Service Allocation in Multi-system Scenarios with Linear Subsystem Capacity Regions
  I. Blau and G. Wunder, The 9th International Symposium on Wireless Personal Multimedia Communications (WPMC'06), San Diego, USA, Sept. 2006.
• Non-cooperative Scheduling for 3GPP LTE OFDM Downlink in Multi-cell Environment
  G. Wunder and C. Zhou, 11th International OFDM Workshop, Hamburg, Germany, Aug. 2006.
• Optimal And Low Complexity Suboptimal Transmission Schemes For MIMO-OFDM Broadcast Channels
  T. Michel and G. Wunder, Proc. IEEE Intern. Conf. on Communications (ICC '05), Seoul, Korea, May 2005.
• A Group-Theoretic Approach to the WSSUS Pulse Design Problem
  P. Jung and G. Wunder, 2005 IEEE International Symposium on Information Theory, 2005, ftp://ftp.hhi.de/jungp/publications/Conferences/isit2005/isit05.pdf or arxiv:cs.IT/0501082.
• A (not so) Many User Sum Capacity Analysis for the MIMO OFDM Broadcast Channel
  G. Wunder and T. Michel, International ITG/IEEE Workshop on Smart Antennas (WSA), Duisburg, Germany, Apr. 2005.
• Concept of an OFDM HSDPA Air Interface for UMTS Downlink
  G. Wunder, C. Zhou, S. Kaminski, and H. E. Bakker, 14th IST Mobile & Wireless Communication Summit, IST/IEEE, Dresden, June 2005.
• Space frequency codes from sphere packings
  O. Henkel and G. Wunder, Proceedings International ITG/IEEE Workshop on Smart Antennas 2005 (WSA 2005), Duisburg, Germany, Apr. 2005.
• Solution to the Sum Power Minimization Problem under Given Rate Requirements for the OFDM Multiple Access Channel
  T. Michel and G. Wunder, Proc. of Allerton Conference on Communication, Control and Computing, Monticello, USA, Sept. 2005.
• OFDM-HSDPA: Conceptual Approach, Simulation Methodology and Throughput Performance
  C. Zhou, G. Wunder, H.E.Bakker, and S.Kaminski, 10th International OFDM Workshop, Hamburg, Germany, Sept. 2005.
• 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.
• OQAM/IOTA Downlink Air Interface for UMTS HSDPA Evolution
  P. Jung, G. Wunder, and C. Wang, 9th International OFDM-Workshop, Hamburg, 2004, pp. 153-157, ftp://ftp.hhi.de/jungp/publications/Conferences/inowo2004/corrected_paper.pdf.
• On time-variant distortions in multicarrier systems: General analysis and application to OFDM
  P. Jung, G. Wunder, and S. Liggesmeier, International Zurich Seminar on Communications, 2004, pp. 232-235, ftp://ftp.hhi.de/jungp/publications/Conferences/izs2004/proceedings.pdf.
• Iterative Pulse Shaping for Gabor Signaling in WSSUS channels
  P. Jung and G. Wunder, Fifth IEEE Workshop on Signal Processing Advances in Wireless Communications, Lisboa, Portugal, 2004, ftp://ftp.hhi.de/jungp/publications/Conferences/spawc2004/final.pdf.
• On the OFDM Multiuser Downlink Capacity
  G. Wunder and T. Michel, Proc. IEEE Vehicular Technology Conference (VTC Fall '04), Los Angeles, USA, Sept. 2004.
• Generalized bounds on the crest-factor distribution
  S. Litsyn and G. Wunder, Proc. IEEE Int. Symp. on Inform. Theory (ISIT), July 2004.
• Crest-factor analysis of carrier interferometry MC-CDMA and OFDM systems
  G. Wunder and K. G. Paterson, IEEE Int. Symp. on Inform. Theory (ISIT), Chicago, July 2004.
• Optimal OFDM downlink scheduling for UMTS HSDPA evolution
  G. Wunder and C. Zhou, Thirty-Eighth Annual Asilomar Conference on Signals, Systems, and Computers, Nov. 2004.
• Optimal Scheduling for the OFDM Multiuser Downlink Channel
  G. Wunder and C. Zhou, 9th International OFDM Workshop, Hamburg, Germany, Sept. 2004.
• On multipath channel estimation for the uplink of {CDMA} systems: Optimal pilot sequences Optimal pilot sequences
  S. Stanczak and G. Wunder, Proc. of the 38th Annual Conference on Information Sciences Proc. of the 38th Annual Conference on Information Sciences and Systems (CISS), Princeton, NJ, USA, Mar. 2004, pp. 95-100.
• Generalized constellations with low crest-factor for OFDM
  G. Wunder and H. Boche, Proc. IEEE Intern. Symp. on Information Theory (ISIT 2003), Yokohama, Yokohama, Japan, June 2003, p. 7.
• On the distribution of the crest-factor in OFDM transmission
  G. Wunder and S. Litsyn, Proc. IEEE Int. Workshop. on Inf.-theory, Paris, France, Mar. 2003.
• Comparison of standard OFDM/BFDM to bandwidth-efficient pulse shape optimized MC schemes
  P. Jung, G. Wunder, and H. Boche, 7th International OFDM-Workshop, Hamburg, 2002, pp. 36-40, ftp://ftp.hhi.de/jungp/publications/Conferences/inowo2002/inowo2002.pdf.
• The impact of nonlinear devices on the symbol error rate in broadband OFDM
  G. Wunder and H. Boche, Proc. 56th IEEE Semiannual Vehicular Techn. Conf. (VTC 2002), vol. 2, Vancouver, Canada, Sept. 2002, pp. 719-723.
• Channel estimation for the uplink of CDMA systems with linear MMSE estimators: Lower bounds and optimal sequences
  G. Wunder, S. Stanczak, and H. Boche, Proc. 7th IEEE Intern. Symp. on Spread Spectrum Techniques and Applications (ISSSTA 2002), vol. 1, Prague, Czech Republic, Sept. 2002, pp. 34-38.
• Peak value estimation of band-limited signals from its samples with application to the peak-to-average power problem in OFDM
  G. Wunder and H. Boche, Proc. IEEE Int. Symp. on Inf.-theory (ISIT 2002), Lausanne, Switzerland, June 2002, p. 17.
• A Baseband Model for Computing the Peak-to-Average Power Ratio in OFDM systems
  G. Wunder and H. Boche, 4th Int. ITG Conference Source on Source and Channel Coding, Berlin, Germany, Jan. 2002, pp. 273-280.
• On the PAPR problem in OFDM systems
  H. Boche and G. Wunder, 39th Annual Allerton Conf., 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.

Unpublished

• Practical Channel Estimation Schemes for 3GPP OFDM New Air Interface
  G. Wunder, C. Wang, P. Jung, P. A. Bune, C. Gerlach, and M. Litzenburger, 2005, ftp://ftp.hhi.de/jungp/publications/TechReports/ofdm_ce_techreport05.pdf.
• Moderate complexity approximation to MMSE for MIMO-OFDM systems
  O. Henkel, T. Michel, and G. Wunder, 2005, Technical Report.