Prof. Dr.-Ing. Robert Fischer

Background

Since 2011 Dr. Robert Fischer has been full professor for communications and signal theory at the University of Ulm, Germany.

Currently, he teaches undergraduate and graduate courses on signals and systems and on digital communications. His research concentrates on fast digital transmission including single- and multicarrier modulation techniques. Current interests are information theory, coded modulation, digital communications and signal processing, and especially precoding and shaping techniques for high-rate transmission schemes.

Dissertation / Habilitation:

Awards:

  • Precoding and Signal Shaping, Equalization Algorithms
  • OFDM Transmission Systems
  • Low-Complexity Receivers for Digital Communications
  • MIMO and Multiuser Communications
  • Ultra-Wideband Communications
  • Information Theory
  • Channel Coding and Coded Modulation
  • Physical-Layer Security
  • Compressed Sensing for Communications

Embedded Aigaion Query 2022

J. Pfeiffer and R. Fischer
Design of Practical Scrambling Schemes for Physical-Layer Security
IEEE Wireless Communications Letters, pp. 2230--2234, October 2022
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J. Pfeiffer and R. Fischer
Multilevel Coding for Physical-Layer Security
IEEE Transactions on Communications, Vol. 70, Num. 3, pp. 1999--2009, March 2022
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R. Fischer and S. Müelich
A New Helper Data Scheme for Soft-Decision Decoding of Binary Physical Unclonable Functions
IEEE Access, Vol. 10, pp. 12644--12653, 2022
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S. Stern, C. Ling and R. Fischer
Algorithms and Bounds for Complex and Quaternionic Lattices with Application to MIMO Transmission
IEEE Transactions on Information Theory, 2022
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R. Fischer and S. Müelich
Coded Modulation and Shaping for Multivalued Physical Unclonable Functions
IEEE Access, Vol. 10, pp. 99178--99194, 2022
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2021

S. Stern and R. Fischer
Non-Coherent Multi-User Massive MIMO Receivers with One-Bit Sigma-Delta Quantization
Proceedings of 25th International ITG Workshop on Smart Antennas (WSA), Sophia Antipolis, France, November 2021
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R. Schulz, O. Günlü, R. Elschner, R. Schaefer, C. Schmidt-Langhorst, C. Schubert and R. Fischer
Semantic Security for Indoor THz-Wireless Communication
17th International Symposium on Wireless Communication Systems (ISWCS), September 2021
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D. Rohweder, S. Stern, R. Fischer, S. Shavgulidze and J. Freudenberger
Four-Dimensional Hurwitz Signal Constellations, Set Partitioning, Detection, and Multilevel Coding
IEEE Transactions on Communications, Vol. 69, Num. 8, pp. 5079--5090, August 2021
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C. Sippel and R. Fischer
VAMP with Individual Variances and Sequential Processing for Compressed Sensing
29th European Signal Processing Conference, Dublin, Ireland, August 2021
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S. Stern, M. Barakatain, F. Frey, J. Fischer and R. Fischer
Concatenated Non-Binary Coding with 4D Constellation Shaping for High-Throughput Fiber-Optic Communication
Proceedings of OSA Advanced Photonics Congress/Signal Processing in Photonic Communications (SPPCom), July 2021
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J. Pfeiffer and R. Fischer
Combining Scrambling and Multilevel Coding for Physical-Layer Security
22. ITG-Symposium on Photonic Networks, online, pp. 43--50, May 2021
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S. Müelich, H. Mandry, M. Ortmanns and R. Fischer
A Multilevel Coding Scheme for Multi-Valued Physical Unclonable Functions
IEEE Transactions on Information Forensics and Security, Vol. 16, pp. 3814--3827, 2021
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C. Sippel and R. Fischer
Stabilization Techniques for Iterative Algorithms in Compressed Sensing
2021
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2020

S. Stern, M. Barakatain, F. Frey, J. Fischer and R. Fischer
Coded Modulation for Four-Dimensional Signal Constellations with Concatenated Non-Binary Forward Error Correction
Proceedings of 46th European Conference on Optical Communication (ECOC), Brussels, Belgium, December 2020
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J. Pfeiffer, C. Schmidt-Langhorst, R. Elschner, F. Frey, R. Emmerich, C. Schubert and R. Fischer
Security Gap Investigation of Multilevel Coding in Coherent Fiber-Optical Systems
ITG-Fachtagung Photonische Netze, Leipzig, Germany, November 2020
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S. Müelich, C. Sudarshan, C. Weis, N. Wehn, M. Bossert and R. Fischer
Multi-Valued Physical Unclonable Functions based on Dynamic Random Access Memory
The International Symposium on Memory Systems (MEMSYS), Washington, D.C., USA, October 2020
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G. Yammine and R. Fischer
Decision-Feedback Differential Detection with Optimum Detection Order Metric For Noncoherent Massive MIMO Systems
28th European Signal Processing Conference, Amsterdam, Netherlands,, August 2020
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R. Fischer, C. Sippel and N. Goertz
VAMP with Vector-Valued Diagonalization
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Barcelona, Spain, pp. 9110--9114, May 2020
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G. Yammine and R. Fischer
Feedback-Aware Noncoherent Receivers for Massive MIMO Systems
24th International ITG Workshop on Smart Antennas, Hamburg, Germany, February 2020
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D. Rohweder, S. Stern, R. Fischer, S. Shavgulidze and J. Freudenberger
Low-Complexity Detection for Multi-Dimensional Spatial Modulation Schemes
24th International ITG Workshop on Smart Antennas, Hamburg, Germany, February 2020
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R. Fischer, S. Stern and J. Huber
Multilevel Codes in Lattice-Reduction-Aided Decision-Feedback Equalization
International Zurich Seminar on Communications, Zurich, Switzerland, February 2020
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S. Bucher, G. Yammine, R. Fischer and C. Waldschmidt
On the Impact of Hardware Impairments in Noncoherent Massive MIMO Systems
24th International ITG Workshop on Smart Antennas, Hamburg, Germany, February 2020
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C. Sippel and R. Fischer
On the Invariance of Recovery Algorithms for Compressed Sensing based on Expectation-Consistent Approximate Inference
24th International ITG Workshop on Smart Antennas, Hamburg, Germany, February 2020
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R. Fischer
Signal Shaping: Fundamentals, Potentials, and Techniques
International Zurich Seminar on Communications, Zurich, Switzerland, February 2020
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F. Frey, S. Stern, J. Fischer and R. Fischer
Two-Stage Coded Modulation for Hurwitz Constellations in Fiber-Optical Communications
Journal of Lightwave Technology, Vol. 38, Num. 12, pp. 3135--3146, 2020
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2019

R. Fischer, S. Stern and J. Huber
Lattice-Reduction-Aided and Integer-Forcing Equalization: Structures, Criteria, Factorization, and Coding
Foundations and Trends(r) in Communications and Information Theory, Vol. 16, Num. 1-2, pp. 1-155, December 2019
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S. Müelich, S. Bitzer, C. Sudarshan, C. Weis, N. Wehn, M. Bossert and R. Fischer
Channel Models for Physical Unclonable Functions based on DRAM Retention Measurements
XVI International Symposium Problems of Redundancy in Information and Control Systems, Moskau, Russia, October 2019
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R. Fischer
Expectation-Consistent Approximate Inference with Vector-Valued Diagonalization — An Unbiasing Interpretation
Workshop on Mathematical Data Science, Duernstein, Austria, October 2019
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S. Bucher, G. Yammine, R. Fischer and C. Waldschmidt
A Noncoherent Massive MIMO System Employing Beamspace Techniques
IEEE Transactions on Vehicular Technology, Vol. 68, Num. 11, pp. 11052--11063, September 2019
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F. Frey, S. Stern, R. Emmerich, C. Schubert, J. Fischer and R. Fischer
Coded Modulation Using a 512-ary Hurwitz-Integer Constellation
Proceedings of 45th European Conference on Optical Communication (ECOC), Dublin, Ireland, September 2019
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D. Rohweder, S. Stern, R. Fischer, S. Shavgulidze and J. Freudenberger
Low-Complexity Detection for Generalized Multistream Spatial Modulation
2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Cannes, France, July 2019
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C. Schmidt-Langhorst, J. Pfeiffer, R. Elschner, F. Frey, R. Emmerich, R. Fischer and C. Schubert
Experimental Investigation of Security Gaps when using Punctured LDPC Coding in Coherent Systems up to 64-GBd DP-64QAM
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2019
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W. Teich, S. Roy and R. Fischer
Fiber-Optic Transmission with a Direct Detection Receiver: Iterative Implementation of Block Linear Equalization
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2019
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H. Mandry, A. Herkle, L. Kürzinger, J. Becker, S. Müelich, R. Fischer and M. Ortmanns
Modular PUF Coding Chain with High Speed Reed Muller Decoder
IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, May 2019
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S. Stern, D. Rohweder, J. Freudenberger and R. Fischer
Binary Multilevel Coding over Eisenstein Integers for MIMO Broadcast Transmission
23rd International ITG Workshop on Smart Antennas, Vienna, Austria, April 2019
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S. Stern, D. Rohweder, J. Freudenberger and R. Fischer
Multilevel Coding over Eisenstein Integers with Ternary Codes
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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G. Yammine, S. Bucher and R. Fischer
Noncoherent Detection for an EM-Lens-Enabled Massive MIMO System
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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G. Yammine and R. Fischer
Optimization of Subspace Projection in Noncoherent Massive MIMO Systems
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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Z. Dhannoon and R. Fischer
Performance of Run-Length-Limited Codes in Visible-Light Communications
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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J. Pfeiffer and R. Fischer
Signal Constellations for Physical-Layer Security
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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S. Stern, F. Frey, J. Fischer and R. Fischer
Two-Stage Dimension-Wise Coded Modulation for Four-Dimensional Hurwitz-Integer Constellations
Proceedings of 12. International ITG Conference on Systems, Communications, and Coding (SCC), Rostock, Germany, February 2019
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2018

F. Frey, R. Emmerich, C. Schubert, J. Fischer and R. Fischer
Improved Perturbation-based Fiber Nonlinearity Compensation
Proceedings of European Conference and Exhibition on Optical Communication (ECOC), Roma, Italy, September 2018
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S. Bucher, A. Ragab, G. Yammine, R. Fischer and C. Waldschmidt
Antenna Design for Noncoherent Massive MIMO Systems
International Symposium on Wireless Communication Systems (ISWCS18), Lisbon, Portugal, August 2018
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C. Knill, B. Schweizer, S. Sparrer, F. Roos, R. Fischer and C. Waldschmidt
High Range and Doppler Resolution by Application of Compressed Sensing Using Low Baseband Bandwidth OFDM Radar
IEEE Transactions on Microwave Theory and Techniques, Vol. 66, Num. 7, pp. 3535-3546, July 2018
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S. Sparrer and R. Fischer
Bias Compensation in Iterative Soft-Feedback Algorithms with Application to (Discrete) Compressed Sensing
IEEE Statistical Signal Processing Workshop 2018, Freiburg, Germany, June 2018
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S. Stern and R. Fischer
Quaternion-Valued Multi-User MIMO Transmission via Dual-Polarized Antennas and QLLL Reduction
Proceedings of 25th International Conference on Telecommunications (ICT), Saint Malo, France, June 2018
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J. Pfeiffer and R. Fischer
Multilevel Coding for Physical-Layer Security in Optical Networks
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2018
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S. Bucher, G. Yammine, R. Fischer and C. Waldschmidt
Influence of Channel Parameters on Noncoherent Massive MIMO Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Bochum, Germany, March 2018
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G. Yammine, S. Stern and R. Fischer
Precoding for MIMO Uplink Transmission Over EM-Lens-Based Correlated Channels
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Bochum, Germany, March 2018
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R. Fischer, J. Huber, S. Stern and P. Guter
Multilevel Codes in Lattice-Reduction-Aided Equalization
International Zurich Seminar on Communications, Zurich, Switzerland, February 2018
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F. Frey, J. Fischer and R. Fischer
Probability Distributions of Nonlinear Distortions Obtained from the Sampled Nonlinear Transfer Function
ITG-Workshop 5.3.1, Helmut-Schmidt-Universität Hamburg, Hanburg, Germany, February 2018
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2017

S. Sparrer and R. Fischer
Unveiling Bias Compensation in Turbo-Based Algorithms for (Discrete) Compressed Sensing
Matheon Workshop 2017 -- Compressed Sensing and its Applications,, December 2017

F. Frey, L. Molle, R. Emmerich, C. Schubert, J. Fischer and R. Fischer
Single-step Perturbation-based Nonlinearity Compensation of Intra- and Inter-Subcarrier Nonlinear Interference
Proceedings of European Conference and Exhibition on Optical Communication (ECOC), Gotheburg, Sweeden, September 2017
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S. Sparrer and R. Fischer
Unveiling Bias Compensation in Turbo-Based Algorithms for (Discrete) Compressed Sensing
2017 European Signal Processing Conference (EUSIPCO 2017), Kos, Greece, September 2017
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G. Yammine and R. Fischer
Performance/Complexity Comparison of SVD vs. SURV for Subspace Estimation in Noncoherent Massive MIMO
International Symposium on Wireless Communication Systems (ISWCS), Bologna, Italy, August 2017
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F. Frey, F. Wäckerle, J. Fischer and R. Fischer
Optimized Detection and Decoding of 4D Signals for the Nonlinear Fiber-optical Channel
Proceedings Signal Processing in Photonic Communications, New Orleans, LA, USA, July 2017
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S. Stern and R. Fischer
V-BLAST in Lattice Reduction and Integer Forcing
Proceedings of International Symposium on Information Theory (ISIT), Aachen, Germany, July 2017
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V. Forutan, R. Elschner, C. Schmidt-Langhorst, C. Schubert and R. Fischer
Towards Information-Theoretic Security in Optical Networks
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2017
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S. Stern, Y. Ramos Vazquez and R. Fischer
Equalization and Precoding in Multi-User MIMO Relaying Systems and Their Diversity Bottleneck
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Berlin, Germany, March 2017
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S. Sparrer and R. Fischer
Algorithms for the Iterative Estimation of Discrete-Valued Sparse Vectors
Proceedings of 11. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2017
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F. Frey, R. Elschner, C. Schmidt-Langhorst, R. Emmerich, C. Schubert, J. Fischer and R. Fischer
Investigation of Nonlinear Inter-channel Interference in Heterogeneous Flexible Optical Networks
Proceedings of 11. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2017
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M. Cyran, B. Schotsch, J. Huber and R. Fischer
Layering of Communication Networks and a Forward-Backward Duality
Proceedings of 11. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2017
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R. Fischer, M. Cyran, V. Forutan and J. Huber
Network Coding Security for Bidirectional Network Flows
Proceedings of 11. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2017
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F. Frey, J. Fischer and R. Fischer
On the Frequency Dependence of the FWM Efficiency and its Application to Analytical Channel Models
February 2017

S. Stern and R. Fischer
Optimal Factorization in Lattice-Reduction-Aided and Integer-Forcing Linear Equalization
Proceedings of 11. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2017
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2016

S. Sparrer and R. Fischer
Enhanced Iterative Hard Thresholding for the Estimation of Discrete-Valued Sparse Signals
2016 European Signal Processing Conference (EUSIPCO 2016), September 2016
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S. Puchinger, S. Stern, M. Bossert and R. Fischer
Space-Time Codes Based on Rank-Metric Codes and Their Decoding
International Symposium on Wireless Communication Systems (ISWCS), Poznand, Poland, September 2016
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H. Stahl, J. Mietzner, M. Kirscht and R. Fischer
Sub-Nyquist Radar with Optimized Sensing Matrices - Performance Evaluation Based on Simulations and Measurements
4th International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing, Aachen, Germany, September 2016
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S. Stern and R. Fischer
Advanced Factorization Strategies for Lattice-Reduction-Aided Preequalization
Proceedings of International Symposium on Information Theory (ISIT), Barcelona, Spain, July 2016
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W. Teich, M. Ibrahim, F. Wäckerle and R. Fischer
Equalization for Fiber-Optic Transmission Systems: Low-Complexity Iterative Implementations
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2016
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S. Stern and R. Fischer
Joint Algebraic Coded Modulation and Lattice-Reduction-Aided Preequalisation
IET Electronics Letters, Vol. 52, Num. 7, pp. 523-525, April 2016
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R. Fischer, M. Cyran and S. Stern
Factorization Approaches in Lattice-Reduction-Aided and Integer-Forcing Equalization
2016 International Zurich Seminar on Communications, Zurich, Switzerland, March 2016
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S. Stern and R. Fischer
Lattice-Reduction-Aided Precoding for Coded Modulation over Algebraic Signal Constellations
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), March 2016
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S. Eldessoki, J. Dommel, K. Shawky, L. Thiele and R. Fischer
Peak-to-Average-Power Reduction for FBMC-based Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), March 2016
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G. Yammine and R. Fischer
Soft-Decision Decoding in Noncoherent Massive MIMO Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), March 2016
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R. Fischer, M. Cyran, S. Stern and J. Huber
Modulo-Type Precoding for Networks
Communications in Interference Limited Networks, Springer Verlag, Berlin Heidelberg, pp. 31-52, February 2016
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S. Sparrer and R. Fischer
An MMSE-based Version of OMP for the Recovery of Discrete-Valued Sparse Signals
IET Electronics Letters, Vol. 52, Num. 1, pp. 75–-77, 2016
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2015

S. Sparrer and R. Fischer
Enhanced OMP for the Recovery of Discrete-Valued Sparse Signals
Matheon Workshop 2015 -- Compressed Sensing and its Applications, December 2015

S. Stern and R. Fischer
Lattice-Reduction-Aided Preequalization over Algebraic Signal Constellations
9th International Conference on Signal Processing and Communication Systems (ICSPCS), Cairns, Australia, December 2015
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F. Wäckerle, R. Fischer, D. Clausen and R. Rath
Decoding Metrics for Multistage Bit-Wise Coded Modulation in Optical Communications
2015 Advances in Wireless and Optical Communications (RTUWO), November 2015
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V. Forutan and R. Fischer
Security-Enhanced Network Coding Through Public-Key Cryptography
IEEE CNS 2015 Poster Session, September 2015
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S. Sparrer and R. Fischer
Soft-Feedback OMP for the Recovery of Discrete-Valued Sparse Signals
2015 European Signal Processing Conference (EUSIPCO 2015), Nice, France, September 2015
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G. Yammine, R. Fischer and C. Waldschmidt
On the Influence of the Antenna Pattern in Noncoherent Massive MIMO Systems
Twelfth International Symposium on Wireless Communication Systems, Brussels, Belgium, August 2015
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H. Stahl, J. Mietzner and R. Fischer
A Sub-Nyquist Radar System Based on Optimized Sensing Matrices Derived via Sparse Rulers
3rd International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing, Pisa, Italy, June 2015
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R. Fischer and S. Hassanpour
Equalization in Fiber-Optic Transmission Systems: Theoretical Limits and Lattice- Reduction-Aided Techniques
ITG-Fachtagung Photonische Netze, Leipzig, Germany, May 2015
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C. Stierstorfer, R. Fischer and G. Yammine
Iterative Decision-Feedback in Non-coherent Multi-User Massive MIMO Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), March 2015
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S. Stern and R. Fischer
Selection of the Coordination Strategy in the Network MIMO Downlink
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Hamburg, Germany, March 2015
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B. Schotsch, M. Cyran, J. Huber, R. Fischer and P. Vary
An Upper Bound on the Outage Probability of Random Linear Network Codes with Known Incidence Matrices
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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S. Puchinger, M. Cyran, R. Fischer, M. Bossert and J. Huber
Error Correction for Differential Linear Network Coding in Slowly-Varying Networks
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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S. Stern and R. Fischer
Hierarchical Precoding for the Network MIMO Downlink
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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S. Sparrer and R. Fischer
Mixed Generalized Gaussian Noise Channels: Capacity, Decoding, and Performance
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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F. Wäckerle and R. Fischer
Multistage Bit-Wise Receivers for 4D Modulation Formats in Optical Communications
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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V. Forutan and R. Fischer
On the Security of Lattice-based Physical-layer Network Coding Against Wiretap Attacks
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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R. Fischer, C. Stierstorfer and R. Müller
Subspace Projection and Noncoherent Equalization in Multi-User Massive MIMO Systems
Proceedings of 10. International ITG Conference on Systems, Communications, and Coding (SCC), Hamburg, Germany, February 2015
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2014

S. Stern and R. Fischer
OFDM vs. Single-Carrier Modulation: A New View on the PAR Behavior
Proceedings of 17. International OFDM Workshop (InOWo), Essen, Germany, August 2014
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S. Sparrer and R. Fischer
Adapting Compressed Sensing Algorithms to Discrete Sparse Signals
Proceedings of International ITG/IEEE Workshop on Smart Antennas, Erlangen, Germany, March 2014
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R. Fischer, M. Bense and C. Stierstorfer
Noncoherent Joint Decision-Feedback Detection in Multi-User Massive MIMO Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas, Erlangen, Germany, March 2014
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R. Fischer and M. Bense
Noncoherent Decision-Feedback Equalization in Massive MIMO Systems
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, February 2014
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M. Cyran, R. Fischer and J. Huber
Selection Precoding for the Finite-Field Multiplicative Matrix Channel
IEEE Communications Letters, Vol. 18, Num. 2, pp. 360-363, February 2014
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2013

S. Sparrer and R. Fischer
Discrete Compressed Sensing Algorithms
Matheon Workshop 2013 -- Compressed Sensing and its Applications, December 2013

G. Wunder, R. Fischer, H. Boche, S. Litsyn and J. No
The PAPR Problem in OFDM Transmission: New Directions for a Long-Lasting Problem
IEEE Signal Processesing Magazine, Vol. 30, Num. 6, pp. 130-144, November 2013
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F. Wäckerle, S. Stern and R. Fischer
Iterative Bit and Power Loading for Coherent Optical OFDM to Account for Fiber Nonlinearities
Proceedings of European Conference and Exhibition on Optical Communication (ECOC), London, UK, September 2013
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S. Stern and R. Fischer
Efficient Assessment of the Instantaneous Power Distributions of Pulse-Shaped Single- and Multi-Carrier Signals
Proceedings of International Black Sea Conference on Communications and Networking (BlackSeaCom), Batumi, Georgia, July 2013
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A. Frolov, V. Zyablov, V. Sidorenko and R. Fischer
On a Multiple-Access in a Vector Disjunctive Channel
Proceedings of International Symposium on Information Theory (ISIT), July 2013
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A. Schenk and R. Fischer
Coding, Modulation and Detection for Power-Efficient Low-Complexity Receivers in Impulse-Radio Ultra Wideband Transmission Systems
UKoLoS - Ultra-Wideband Radio Technologies for Communications, Localization and Sensor Applications, Intech, pp. 123-132, March 2013
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A. Schenk and R. Fischer
Noncoherent Detection in Massive MIMO Systems
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Stuttgart, Germany, March 2013
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R. Fischer and S. Heinrichs
The Network MIMO Downlink with Per-Antenna Power Constraint: Linear Preequalization vs. Tomlinson-Harashima Precoding
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Stuttgart, Germany, March 2013
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M. Seidl, M. Cyran, R. Fischer and J. Huber
A Differential Encoding Approach to Random Linear Network Coding
Proceedings of 9. International ITG Conference on Systems, Communications and Coding (SCC), Munich, Germany, January 2013
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S. Sparrer, A. Schenk and R. Fischer
Communication Over Impulsive Noise Channels: Channel Coding vs. Compressed Sensing
Proceedings of 9. International ITG Conference on Systems, Communications, and Coding (SCC), Munich, Germany, January 2013
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V. Sidorenko and R. Fischer
Low-Complexity List Decoding of Reed-Solomon Coded Pulse Position Modulation
Proceedings of International ITG Conference on Systems, Communications and Coding (SCC), Munich, Germany, January 2013
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2012

R. Fischer
Complexity-Performance Trade-Off of Algorithms for Combined Lattice Reduction and QR Decompositions
International Journal of Electronics and Communications (AEU), Vol. 66, Num. 11, pp. 871-879, November 2012
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R. Fischer and F. Wäckerle
Peak-to-Average Power Ratio Reduction in OFDM via Sparse Signals: Transmitter-Side Tone Reservation vs. Receiver-Side Compressed
Proceedings of 16. International OFDM Workshop (InOWo), Essen, Germany, August 2012
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A. Schenk, R. Fischer and J. Huber
Performance Estimation of Bit-Interleaved Coded Modulation Based On Information Processing Characteristics
Proceedings of International Symposium on Information Theory (ISIT), Cambridge, USA, pp. 2416-2420, July 2012
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A. Schenk and R. Fischer
Low-Complexity Soft-Output Detection for Impulse-Radio Ultra-Wideband Systems Via Combining Multiple Observations
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, pp. 119-122, March 2012
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2011

A. Schenk and R. Fischer
Design Rules for Bit-Interleaved Coded Impulse-Radio Ultra-Wideband Modulation with Autocorrelation-Based Detection
Proceedings of IEEE International Symposium on Wireless Communication Systems (ISWCS), Aachen, Germany, pp. 146-150, November 2011
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A. Schenk and R. Fischer
Capacity of BICM Using (Bi-)Orthogonal Signal Constellations in the Wideband Regime
Proceedings of IEEE International Conference on Ultra-Wideband, Bologna, Italy, pp. 595-599, September 2011
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A. Schenk and R. Fischer
Compressed-Sensing (Decision-Feedback) Differential Detection in Impulse-Radio Ultra-Wideband Systems
Proceedings of IEEE International Conference on Ultra-Wideband, Bologna, Italy, pp. 121-125, September 2011
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R. Fischer, C. Windpassinger, C. Stierstorfer, C. Siegl, A. Schenk and Ü. Abay
Lattice-Reduction-Aided MMSE Equalization and the Successive Estimation of Correlated Data
International Journal of Electronics and Communications (AEU), Vol. 65, Num. 8, pp. 688-693, August 2011
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C. Siegl and R. Fischer
Selected Basis for PAR Reduction in Multi-User Downlink Scenarios Using Lattice-Reduction-Aided Precoding
EURASIP Journal on Advances in Signal Processing, July 2011
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A. Schenk and R. Fischer
Decision-Feedback Differential Detection in Impulse-Radio Ultra-Wideband Systems
IEEE Transactions on Communications, Vol. 59, Num. 6, pp. 1604-1611, June 2011
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R. Fischer
Efficient Lattice-Reduction-Aided MMSE Decision-Feedback Equalization
Proceedings of International Conference on Acoustics, Speech and Signal Processing (ICASSP), Prag, Czech Republic, May 2011
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R. Fischer and C. Siegl
Peak-to-Average Power Ratio Reduction in Multi-Antenna Scenarios
OFDM - Concepts for Future Communication Systems, Springer Verlag, Berlin, Heidelberg, In: H. Rohling 1, Series: Signals and Communication Technology, pp. 69-80, May 2011
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R. Fischer and C. Stierstorfer
Single- vs. Multicarrier Transmission in MIMO and Multiuser Scenarios
OFDM - Concepts for Future Communication Systems, Springer Verlag, Berlin, Heidelberg, In: H. Rohling 1, Series: Signals and Communication Technology, pp. 81-89, May 2011
DOI
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Ü. Abay and R. Fischer
Comparison of Generalized Tomlinson-Harashima Precoding Strategies for the Broadcast Channel
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Aachen, February 2011
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2010

R. Fischer and C. Siegl
Probabilistic Signal Shaping in MIMO OFDM via Successive Candidate Generation
European Transactions on Telecommunications (ETT), Vol. 21, Num. 7, pp. 648-654, November 2010
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R. Fischer
From Gram–Schmidt Orthogonalization via Sorting and Quantization to Lattice Reduction
Proceedings of Joint Workshop on Coding and Communications (JWCC), Santo Stefano Belbo, Italy, October 2010
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C. Siegl, R. Fischer and E. Mustafin
Active Constellation Extension for Increasing the Capacity of Clipped OFDM
Proceedings of 15. International OFDM Workshop (InOWo), Hamburg, Germany, September 2010
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C. Stierstorfer, C. Siegl, R. Fischer, T. Wild and C. Hoek
Network MIMO Downlink Transmission
Proceedings of 15. International OFDM Workshop (InOWo), Hamburg, Germany, September 2010
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A. Schenk and R. Fischer
Soft-Output Sphere Decoder for Multiple-Symbol Differential Detection of Impulse-Radio Ultra-Wideband
Proceedings of International Symposium on Information Theory (ISIT), Austin, TX, USA, pp. 2258-2262, June 2010
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C. Siegl and R. Fischer
Asymptotic Performance Analysis and Successive Selected Mapping for PAR Reduction in OFDM
IEEE Transactions on Signal Processing, Vol. 58, Num. 6, pp. 3228-3237, April 2010
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C. Siegl and R. Fischer
Selected Mapping with Explicit Transmission of Side Information
Proceedings of Wireless Communications and Networking Conference, Sydney, Australia, April 2010
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A. Schenk and R. Fischer
Multiple-Symbol-Detection-Based Noncoherent Receivers for Ultra-Wideband Impulse-Radio
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, March 2010
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C. Stierstorfer, R. Fischer and J. Huber
Optimizing BICM with Convolutional Codes for Transmission over the AWGN Channel
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, March 2010
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C. Siegl and R. Fischer
Transmission and Detection of Side Information for Selected Mapping in MIMO OFDM
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Bremen, Germany, March 2010
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A. Schenk and R. Fischer
A Stopping Radius for the Sphere Decoder: Complexity Reduction in Multiple-Symbol Differential Detection
Proceedings of 8. International ITG Conference on Source and Channel Coding (SCC), Siegen, Germany, January 2010
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R. Fischer
Capacity of Clipped 4-QAM-OFDM
Proceedings of 8. International ITG Conference on Source and Channel Coding (SCC), Siegen, Germany, January 2010
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C. Siegl and R. Fischer
Selected Mapping with Implicit Transmission of Side Information using Discrete Phase Rotations
Proceedings of 8. International ITG Conference on Source and Channel Coding (SCC), Siegen, Germany, January 2010
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2009

R. Fischer and C. Siegl
Peak-to-Average Power Ratio Reduction in Single- and Multi-Antenna OFDM via Directed Selected Mapping
IEEE Transactions on Communications, Vol. 57, Num. 11, pp. 3205-3208, November 2009
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A. Schenk, R. Fischer and L. Lampe
A New Stopping Criterion for the Sphere Decoder in UWB Impulse-Radio Multiple-Symbol Differential Detection
Proceedings of IEEE International Conference on Ultra-Wideband (ICUWB), Vancouver, Canada, pp. 606-611, September 2009
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C. Stierstorfer and R. Fischer
Loading-Aware Bit-Interleaver Design
Proceedings of 14. International OFDM Workshop (InOWo), Hamburg, Germany, September 2009
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C. Siegl and R. Fischer
Out-of-Band Power Reduction using Selected Mapping with Power-Amplifier-Oriented Metrics
Proceedings of 14. International OFDM Workshop (InOWo), Hamburg, Germany, September 2009
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A. Schenk, R. Fischer and L. Lampe
A Stopping Radius for the Sphere Decoder and its Application to MSDD of DPSK
IEEE Communications Letters, Vol. 13, Num. 7, pp. 465-467, July 2009
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C. Siegl and R. Fischer
Uplink-Downlink Duality with Regard to Constraints Imposed in Practice
International Journal of Electronics and Communications (AEU), Vol. 63, Num. 7, pp. 584-594, July 2009
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R. Fischer and C. Siegl
Successive PAR Reduction in (MIMO) OFDM
Proceedings of IEEE International Conference on Communications (ICC), Dresden, Germany, pp. 1-5, June 2009
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R. Fischer and C. Siegl
Reed-Solomon and Simplex Codes for Peak-to-Average Power Ratio Reduction in OFDM
IEEE Transactions on Information Theory, Vol. 55, Num. 4, pp. 1519-1528, April 2009
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C. Siegl and R. Fischer
Selected Sorting for PAR Reduction in OFDM Multi-User Broadcast Scenarios
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Berlin, Germany, pp. 243-250, February 2009
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C. Stierstorfer and R. Fischer
Asymptotically Optimal Mappings for BICM with M-PAM and M²-QAM
IET Electronics Letters, Vol. 45, Num. 3, pp. 173-174, January 2009
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2008

C. Stierstorfer and R. Fischer
Aspects of Rate and Power Loading in (Coded-)OFDM
Proceedings of 13. International OFDM Workshop (InOWo), Hamburg, Germany, August 2008
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C. Siegl and R. Fischer
Tone Reservation for Peak-to-Average Power Ratio Reduction in OFDM under Different Optimization Constraints
Proceedings of 13. International OFDM Workshop (InOWo), Hamburg, Germany, August 2008
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R. Fischer and C. Siegl
OFDM Peak-to-Average Power Ratio Reduction based on the Simplex Code
Proceedings of International Symposium on Information Theory (ISIT), Toronto, Canada, pp. 1303-1307, July 2008
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C. Stierstorfer and R. Fischer
Rate Loading in OFDM Based on Bit Level Capacities
Proceedings of International Symposium on Information Theory (ISIT), Toronto, Canada, pp. 1308-1312, July 2008
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R. Fischer and C. Siegl
Peak-to-Average Power Ratio Reduction in OFDM using Reed-Solomon Codes
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, pp. 40-43, March 2008
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C. Siegl and R. Fischer
Comparison of Partial Transmit Sequences and Selected Mapping for Peak-to-Average Power Ratio Reduction in MIMO OFDM
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Darmstadt, Germany, pp. 324-331, February 2008
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C. Stierstorfer and R. Fischer
Adaptive Interleaving for Bit-Interleaved Coded Modulation
Proceedings of 7. International ITG Conference on Source and Channel Coding (SCC), Ulm, Germany, January 2008
Link to Document
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C. Siegl and R. Fischer
Joint Spatial and Temporal PAR Reduction in MIMO OFDM
Proceedings of 7. International ITG Conference on Source and Channel Coding (SCC), Ulm, Germany, January 2008
Link to Document
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C. Stierstorfer and R. Fischer
Mappings for BICM in UWB Scenarios
Proceedings of 7. International ITG Conference on Source and Channel Coding (SCC), Ulm, Germany, January 2008
Link to Document
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C. Siegl and R. Fischer
Partial Transmit Sequences for Peak-to-Average Power Ratio Reduction in Multi-Antenna OFDM
EURASIP Journal on Wireless Communications and Networking, 2008
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2007

C. Siegl and R. Fischer
Directed Selected Mapping for Peak-to-Average Power Ratio Reduction in Single-Antenna OFDM
Proceedings of 12. International OFDM Workshop (InOWo), Hamburg, Germany, August 2007
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C. Stierstorfer and R. Fischer
Intralevel Interleaving for BICM in OFDM Scenarios
Proceedings of 12. International OFDM Workshop (InOWo), Hamburg, Germany, August 2007
Link to Document
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R. Fischer and C. Stierstorfer
Single- and Multicarrier Transmission in Up- and Downlink Scenarios with Intersymbol Interference: A Comparison
European Transactions on Telecommunications (ETT), Vol. 18, pp. 467-477, August 2007
Link to Document
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R. Fischer
Widely-Linear Selected Mapping for Peak-to-Average Power Ratio Reduction in OFDM
IET Electronics Letters, Vol. 43, Num. 14, pp. 766-767, July 2007
Link to Document
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R. Fischer and M. Hoch
Peak-to-Average Power Ratio Reduction in MIMO OFDM
Proceedings of IEEE International Conference on Communications (ICC), Glasgow, United Kingdom, pp. 762-767, June 2007
Link to Document
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C. Siegl and R. Fischer
Peak-to-Average Power Ratio Reduction in Multi-User OFDM
Proceedings of International Symposium on Information Theory (ISIT), Nice, France, pp. 2746, June 2007
Link to Document
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C. Stierstorfer and R. Fischer
(Gray) Mappings for Bit-Interleaved Coded Modulation
Proceedings of IEEE Vehicular Technology Conference (VTC), Dublin, Ireland, pp. 1703-1707, April 2007
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R. Fischer and C. Siegl
Inflated Lattice Precoding, Bias Compensation, and the Uplink/Downlink Duality: The Connection
IEEE Communications Letters, Vol. 11, Num. 2, pp. 185-187, February 2007
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R. Fischer, C. Siegl and M. Hoch
Out-of-Band Power Reduction in MIMO OFDM
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Vienna, Austria, February 2007
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2006

R. Fischer and M. Hoch
Directed Selected Mapping for Peak-to-Average Power Ratio Reduction in MIMO OFDM
IET Electronics Letters, Vol. 42, Num. 22, pp. 1289-1290, October 2006
Link to Document
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J. Huber and R. Fischer
On the Impact of Information Theory on Today's Communication Technology
Proceedings of 7th Workshop Digital Broadcasting, Erlangen, Germany, pp. 41-47, September 2006
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C. Windpassinger, L. Lampe, R. Fischer and T. Hehn
A Performance Study of MIMO Detectors
IEEE Transactions on Wireless Communications, Vol. 5, Num. 8, pp. 2004-2008, August 2006
Link to Document
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R. Fischer
Peak-to-Average Power Ratio (PAR) Reduction in OFDM based on Lattice Decoding
Proceedings of 11. International OFDM Workshop (InOWo), Hamburg, Germany, pp. 71-75, August 2006
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C. Stierstorfer and R. Fischer
Rate Regions for Multicarrier Point-to-Multipoint Transmission over Channels with Intersymbol Interference
Proceedings of 11. International OFDM Workshop (InOWo), Hamburg, Germany, pp. 293-297, August 2006
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R. Fischer and J. Huber
Rate Region Combining in Multiuser MIMO
Proceedings of International Symposium on Information Theory (ISIT), Seattle, WA, USA, pp. 2279-2283, July 2006
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R. Fischer
Lattice-Reduction-Aided Equalization and Generalized Partial Response Signaling for Point-to-Point Transmission over Flat-Fading MIMO Channels
Proceedings of 4. International Symposium on Turbo Codes and Related Topics in connection with the 6. International Conference on Source and Channel Coding, München, Germany, April 2006
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R. Fischer and C. Stierstorfer
Single- and Multicarrier Transmission in Multipoint-to-Point Scenarios with Intersymbol Interference: A Comparison
Proceedings of 4. International Symposium on Turbo Codes and Related Topics in connection with the 6. International Conference on Source and Channel Coding, München, Germany, April 2006
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C. Stierstorfer and R. Fischer
Rate Regions for Multipoint-to-Point-Transmission over Channels with Intersymbol Interference
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Castle Reisensburg, Germany, pp. S6P1, March 2006
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R. Fischer and C. Siegl
On the Relation between Lattice-Reduction-Aided Equalization and Partial-Response Signaling
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, pp. 34-37, February 2006
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C. Stierstorfer and R. Fischer
Lattice-Reduction-Aided Tomlinson-Harashima Precoding for Point-to-Multipoint Transmission
International Journal of Electronics and Communications (AEU), Vol. 60, pp. 328-330, 2006
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2005

R. Fischer and C. Stierstorfer
Comparison of Code Design Requirements for Singlecarrier and Multicarrier Transmision over Frequency-Selective MIMO Channels
Proceedings of International Symposium on Information Theory (ISIT), Adelaide, Australia, pp. 1145-1149, September 2005
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C. Stierstorfer and R. Fischer
Comparison of Coding Strategies for Multi-Antenna Multi-Carrier Transmission
Proceedings of 10. International OFDM Workshop (InOWo), Hamburg, Germany, August 2005
Link to Document
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R. Fischer and C. Siegl
Lattice-Reduction-Aided Equalization for Transmission over Intersymbol-Interference Channels
IET Electronics Letters, Vol. 41, pp. 969-970, August 2005
Link to Document
Bibtex

R. Fischer
Sorted Spectral Factorization of Matrix Polynomials in MIMO Communications
IEEE Transactions on Communications, Vol. 12, pp. 945-951, June 2005
Link to Document
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R. Fischer
The Modulo-Lattice Channel: The Key Feature in Precoding Schemes
International Journal of Electronics and Communications (AEU), Vol. 59, pp. 244-253, June 2005
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R. Fischer
MIMO and Transmit Processing - Part I: Fundamentals, Dualities, and Aspects from Information Theory
Proceedings of International ITG/IEEE Workshop on Smart Antennas (WSA), Universität Duisburg-Essen, Germany, April 2005
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R. Tzschoppe, R. Bäuml, R. Fischer, J. Huber and A. Kaup
Additive Non-Gaussian Attacks on the Scalar Costa Scheme (SCS)
Proceedings of SPIE, Security, Steganography, and Watermarking of Multimedia Contents VII, San Jose, CA, USA, Vol. 5681, pp. 114-123, January 2005
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R. Fischer and J. Huber
Equalization Strategies for Transmission over Space and Time
Elektrotechnik und Informationstechnik, Num. 6, pp. 187-195, 2005
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2004

C. Windpassinger, R. Fischer and J. Huber
Lattice-Reduction-Aided Broadcast Precoding
IEEE Transactions on Communications, Vol. 52, Num. 12, pp. 2057-2060, December 2004
Link to Document
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R. Fischer
MMSE DFE for High-Rate MIMO Transmission over Channels with ISI
Proceedings of the 5th IEE International Conference on 3G Mobile Communication Technologies 3G, London, United Kingdom, pp. 83-87, October 2004
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R. Fischer, C. Stierstorfer and J. Huber
Point-to-Point Transmission over MIMO Channels with Intersymbol Interference: Comparison of Single- and Multicarrier Modulation
Proceedings of 9. International OFDM Workshop (InOWo), Dresden, Germany, pp. 1-5, September 2004
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R. Fischer, R. Tzschoppe and R. Bäuml
Lattice Costa Schemes using Subspace Projection for Digital Watermarking
European Transactions on Telecommunications (ETT), Vol. 15, Num. 4, pp. 351-36, July 2004
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C. Windpassinger, L. Lampe, R. Fischer and T. Hehn
A Study of Low-Complexity and Low-Latency MIMO Detectors
Proceedings of International Symposium on Information Theory (ISIT), Chicago, IL, USA, pp. 501, June 2004
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C. Windpassinger, R. Fischer, T. Vencel and J. Huber
Precoding in Multi-Antenna and Multi-User Communications
IEEE Transactions on Wireless Communications, Vol. 3, Num. 4, pp. 1305-1316, June 2004
Link to Document
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R. Fischer, C. Stierstorfer and J. Huber
Precoding for Point-to-Multipoint Transmission over MIMO ISI Channels
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, pp. 208-211, February 2004
Link to Document
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R. Fischer and C. Windpassinger
Even-Integer Interference Precoding for Broadcast Channels
Proceedings of 5. International ITG Conference on Source and Channel Coding (SCC), Erlangen, Germany, pp. 395-402, January 2004
Link to Document
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R. Fischer, R. Tzschoppe and R. Bäuml
Lattice Costa Schemes using Subspace Projection for Digital Watermarking
Proceedings of 5. International ITG Conference on Source and Channel Coding (SCC), Erlangen, Germany, pp. 127-134, January 2004
Link to Document
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C. Windpassinger, R. Fischer and J. Huber
Lattice-Reduction-Aided Broadcast Precoding
Proceedings of 5. International ITG Conference on Source and Channel Coding (SCC), Erlangen, Germany, pp. 403-408, January 2004
Link to Document
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L. Lampe, R. Schober and R. Fischer
Multilevel Coding for Multiple-Antenna Transmission
IEEE Transactions on Wireless Communications, Vol. 3, Num. 1, pp. 203-208, January 2004
Link to Document
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2003

R. Fischer and C. Windpassinger
Improved MIMO Precoding for Decentralized Receivers Resembling Concepts from Lattice Reduction
Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), San Francisco, CA, USA, pp. CT08-7, December 2003
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R. Fischer and J. Huber
Signal Processing in Receivers for Communication over MIMO ISI Channels
Proceedings of IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), Darmstadt, Germany, pp. 298-301, December 2003
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R. Fischer, J. Huber and C. Windpassinger
Precoding for Point-to-Multipoint Transmission
Eighth International Workshop on Signal Processing for Space Communication, Catania, Italy, pp. 137-144, September 2003
Link to Document
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R. Fischer, J. Huber and C. Windpassinger
Signal Processing in Decision-Feedback Equalization of Intersymbol-Interference and Multiple-Input / Multiple-Output Channels: A Unified View
IEEE Transactions on Signal Processing, Vol. 83, Num. 8, pp. 1633-1642, August 2003
Link to Document
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C. Windpassinger, L. Lampe and R. Fischer
From Lattice-Reduction-Aided Detection Towards Maximum-Likelihood Detection in MIMO Systems
Proceedings of the International Conference on Wireless and Optical Communications (WOC), Banff, Canada, July 2003
Link to Document
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R. Fischer, C. Windpassinger and J. Huber
Modulo-Lattice Reduction in Precoding Schemes
Proceedings of International Symposium on Information Theory (ISIT), Yokohama, Japan, pp. 163, June 2003
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L. Lampe, R. Schober and R. Fischer
Coded Differential Space-Time Modulation for Flat Fading Channels
IEEE Transactions on Wireless Communications, Vol. 2, Num. 3, pp. 582-590, May 2003
Link to Document
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L. Lampe, R. Schober and R. Fischer
Differential Space-Time Modulation - Coding and Capacity Results
Proceedings of IEEE International Conference on Communications (ICC), Anchorage, AK, USA, pp. 2593-2597, May 2003
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C. Windpassinger and R. Fischer
Optimum and Sub-Optimum Lattice-Reduction-Aided Detection and Precoding for MIMO Communications
Proceedings of the Canadian Workshop on Information Theory, Waterloo, Ontario, Canada, pp. 88-91, May 2003
Link to Document
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C. Windpassinger, T. Vencel and R. Fischer
Precoding and Loading for BLAST-like Systems
Proceedings of IEEE International Conference on Communications (ICC), Anchorage, AK, USA, pp. 3061-3065, May 2003
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R. Fischer, C. Stierstorfer and C. Windpassinger
Precoding and Signal Shaping for Transmission over MIMO Channels
Proceedings of the Canadian Workshop on Information Theory, Waterloo, Ontario, Canada, pp. 83-87, May 2003
Link to Document
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C. Windpassinger and R. Fischer
Low-Complexity Near-Maximum-Likelihood Detection and Precoding for MIMO Systems using Lattice Reduction
Proceedings of IEEE Information Theory Workshop, Paris, France, pp. 345-348, March 2003
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R. Fischer and C. Windpassinger
Real- vs. complex-valued equalisation in V-BLAST systems
IET Electronics Letters, Vol. 39, Num. 5, pp. 470-471, March 2003
Link to Document
Bibtex

2002

C. Windpassinger, T. Vencel and R. Fischer
Optimising MIMO DFE for systems with spatial loading
IET Electronics Letters, Vol. 38, Num. 24, pp. 1591-1593, November 2002
Link to Document
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T. Vencel, C. Windpassinger and R. Fischer
Sorting in the V-BLAST Algorithm and Loading
Proceedings of Communication Systems and Networks (CSN), Malaga, Spain, pp. 304-309, September 2002
Link to Document
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L. Lampe, R. Schober and R. Fischer
Multilevel Coding for Multiple-Antenna Transmission
Proceedings of International Symposium on Information Theory (ISIT), Lausanne, Switzerland, pp. 104, June 2002
Link to Document
Bibtex

R. Fischer, R. Tzschoppe and J. Huber
Signal Shaping for Peak-Power and Dynamics Reduction in Transmission Schemes Employing Precoding
IEEE Transactions on Communications, Vol. 50, Num. 5, pp. 735-741, May 2002
Link to Document
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R. Fischer, C. Windpassinger, A. Lampe and J. Huber
Tomlinson-Harashima Precoding in Space-Time Transmission for Low-Rate Backward Channel
Proceedings of International Zurich Seminar (IZS), Zurich, Switzerland, pp. 7.1-7.6, February 2002
Link to Document
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S. Huettinger, J. Huber, R. Fischer and R. Johannesson
Soft-Output-Decoding: Some Aspects From Information Theory
Proceedings of 4. International ITG Conference on Source and Channel Coding (SCC), Berlin, Germany, pp. 81-89, January 2002
Link to Document
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R. Fischer, C. Windpassinger, A. Lampe and J. Huber
Space-Time Transmission using Tomlinson-Harashima Precoding
Proceedings of 4. International ITG Conference on Source and Channel Coding (SCC), Berlin, Germany, pp. 139-147, January 2002
Link to Document
Bibtex

R. Fischer, C. Windpassinger, A. Lampe and J. Huber
MIMO Precoding for Decentralized Receivers
Proceedings of International Symposium on Information Theory (ISIT), Lausanne, Switzerland, pp. 496, 2002
Link to Document
Bibtex

2001

R. Fischer, R. Tzschoppe and J. Huber
Signal Shaping for Reduction of Peak-Power and Dynamic Range in Precoding Schemes
Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), San Antonio, TX, USA, Vol. 1, pp. 339-341, November 2001
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S. Huettinger, J. Huber, R. Johannesson and R. Fischer
Information Processing in Soft-Output Decoding
Proceedings of 39th Allerton Conference on Communication, Control, and Computing, Monticello, IL, USA, pp. 301-310, October 2001
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R. Fischer and E. Eberlein
Improved Differential Demodulation of OFDM over Two-Path Channels
Proceedings of 6. International OFDM Workshop (InOWo), Hamburg, Germany, September 2001
Link to Document
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R. Fischer, L. Lampe and S. Müller-Weinfurtner
Coded Modulation for Noncoherent Reception with Application to OFDM
IEEE Transactions on Vehicular Technology, Vol. 50, Num. 4, pp. 910-919, July 2001
Link to Document
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L. Lampe and R. Fischer
Random Coding Exponent Based Design of Coded Modulation for Multiple-Symbol Differential Detection
Proceedings of International Symposium on Information Theory (ISIT), Washington, DC, USA, pp. 163, June 2001
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2000

L. Lampe and R. Fischer
Low Complexity Multilevel Coding for Multiple-Symbol Differential Detection
IET Electronics Letters, Vol. 36, Num. 25, pp. 2081-2082, December 2000
Link to Document
Bibtex

L. Lampe, R. Schober and R. Fischer
Noncoherent and Coded OFDM Using Decision-Feedback Demodulation and Diversity
Proceedings of 5. International OFDM Workshop (InOWo), Hamburg, Germany, pp. 15.1-15.6, September 2000
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R. Fischer, R. Tzschoppe and J. Huber
Signal Shaping for Peak-Power and Dynamics Reduction
Proceedings of the 'Workshop What is next in xDSL', Vienna, Austria, September 2000
Bibtex

L. Lampe, R. Fischer and J. Huber
Differential Phase Shift Keying with Constellation Expansion Diversity
Proceedings of International Symposium on Information Theory (ISIT), Sorrento, Italy, pp. 136, June 2000
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L. Lampe and R. Fischer
Noncoherent Coded Modulation for Fading Channels
International Journal of Electronics and Communications (AEU), Vol. 54, Num. 6, pp. 399-411, June 2000
Link to Document
Bibtex

L. Lampe, R. Fischer and R. Schober
Performance Evaluation of Non-Coherent Transmission over Power Lines
International Syposium on Power-Line Communications (ISPLC), Limerick, Ireland, pp. 23-30, April 2000
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R. Fischer, L. Lampe, S. Müller-Weinfurtner and J. Huber
Coded Modulation for Differential Encoding and Non-Coherent Reception on Fading Channels
Proceedings of 3. International ITG Conference on Source and Channel Coding (SCC), München, Germany, pp. 139-146, January 2000
Link to Document
Bibtex

R. Fischer, L. Lampe and S. Calabro
Differential Encoding Strategies for Transmission over Fading Channels
International Journal of Electronics and Communications (AEU), Vol. 54, Num. 1, pp. 59-67, January 2000
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Bibtex

1999

L. Lampe, R. Fischer, S. Calabro and S. Müller-Weinfurtner
Coded Modulation for DPSK on Fading Channels
Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), Rio, Brazil, pp. 2540-2544, December 1999
Link to Document
Bibtex

R. Fischer, L. Lampe and J. Huber
Analysis of Synchronisation Requirements for ADSL
Proceedings of 4. International OFDM Workshop (InOWo), Hamburg, Germany, pp. 13.1-13.5, September 1999
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R. Fischer, L. Lampe, S. Calabro and S. Müller-Weinfurtner
Coded Modulation using Differential Encoding over Rayleigh Fading Channels
Proceedings of IEEE Vehicular Technology Conference (VTC), Amsterdam, The Netherlands, pp. 2525-2529, September 1999
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W. Gerstacker, R. Fischer and J. Huber
Blind Equalization Techniques for xDSL using Channel Coding and Precoding
International Journal of Electronics and Communications (AEU), Num. 4, pp. 194-204, August 1999
Link to Document
Bibtex

U. Wachsmann, R. Fischer and J. Huber
Multilevel Codes: Theoretical Concepts and Practical Design Rules
IEEE Transactions on Information Theory, Vol. 45, Num. 5, pp. 1361-1391, July 1999
Link to Document
Bibtex

R. Fischer
Calculation of Shell Frequency Distributions Obtained with Shell-Mapping Schemes
IEEE Transactions on Information Theory, pp. 1631-1639, July 1999
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Bibtex

L. Lampe, S. Calabro, R. Fischer, S. Müller-Weinfurtner and J. Huber
On the Difficulty of Bit-Interleaved Coded Modulation for Differentially Encoded Transmission
Proceedings of IEEE Information Theory Workshop (ITW), Kruger National Park, South Africa, pp. 111, June 1999
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L. Lampe and R. Fischer
Comparison and Optimization of Differentially Encoded Transmission on Fading Channels
Proceedings of 3rd International Symposium on Power-Line Communications and its Applications(ISPLC), Lancaster, UK, pp. 107-113, March 1999
Link to Document
Bibtex

L. Lampe, R. Fischer and S. Calabro
Channel Capacity of Fading Channels for Differentially Encoded Transmission.
IET Electronics Letters, Vol. 35, pp. 192-194, February 1999
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Bibtex

R. Fischer, S. Calabro, L. Lampe and S. Müller-Weinfurtner
Performance of coded modulation employing differential encoding over Rayleigh fading channels
IET Electronics Letters, Vol. 35, pp. 122-123, January 1999
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Bibtex

J. Huber, R. Fischer and U. Wachsmann
Codierte Modulation mittels Multilevel-Codes: Entwicklung und aktueller Stand der Forschung
IT+TI, Oldenbourg-Verlag, pp. 30-35, January 1999
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Bibtex

1998

W. Gerstacker, R. Fischer and J. Huber
Blinde Entzerrung für digitale Übertragung über Zweidrahtleitungen mit Codierung und Vorcodierung
Proceedings of 2. International ITG Conference on Source and Channel Coding (SCC), Aachen, Germany, pp. 239-244, March 1998
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Bibtex

J. Huber, U. Wachsmann and R. Fischer
Coded Modulation by Multilevel-Codes: Overview and State of the Art
Proceedings of 2. International ITG Conference on Systems, Communications and Coding (SCC), Aachen, Germany, pp. 255-266, March 1998
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Bibtex

U. Wachsmann, J. Huber and R. Fischer
Multilevel Coding: Uso of Hard Decisions in Multistage Decoding
Proceedings of 2. International ITG Conference on Source and Channel Coding (SCC), Aachen, Germany, pp. 231-236, March 1998
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R. Fischer, J. Huber and U. Wachsmann
On the Combination of Multilevel Coding and Signal Shaping
Proceedings of 2. International ITG Conference on Source and Channel Coding (SCC), Aachen, Germany, pp. 273-278, March 1998
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Bibtex

R. Fischer and J. Huber
Optimales Multiplexübertragungsverfahren für verzerrende Kanäle
Proceedings of 2. International ITG Conference on Source and Channel Coding (SCC), Aachen, Germany, pp. 201-206, March 1998
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Bibtex

1997

W. Gerstacker, R. Fischer and J. Huber
A Transmission Scheme for Twisted Pair Lines with Coding, Precoding, and Blind Equalization
Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), Phoenix, Arizona, USA, pp. 52-56, November 1997
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Bibtex

U. Wachsmann, R. Fischer and J. Huber
Multilevel Coding: Use of Hard Decisions in Multistage Decoding
Allerton Conference on Communication, Control, and Computing, Monticello, IL, USA, pp. 966-975, September 1997
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Bibtex

R. Fischer and J. Huber
On The Equivalence of Single- and Multicarrier Modulation: A New View
Proceedings of International Symposium on Information Theory (ISIT), Ulm, Germany, pp. 197, June 1997
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Bibtex

R. Fischer and J. Huber
Comparison of Precoding Schemes for Digital Subscriber Lines
IEEE Transactions on Communications, Vol. 45, Num. 3, pp. 334-343, March 1997
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Bibtex

S. Müller, R. Bäuml, R. Fischer and J. Huber
OFDM with Reduced Peak-to-Average Power Ratio by Multiple Signal Representation
Annals of Telecommunications, Vol. 52, Num. 1-2, pp. 58-67, February 1997
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R. Fischer and J. Huber
Finite-Word-Length and Nonrecursive Implementation of Tomlinson-Harashima Precoding
International Journal of Electronics and Communications (AEU), Vol. 51, Num. 4, pp. 187-195, 1997
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1996

R. Fischer and J. Huber
A New Loading Algorithm for Discrete Multitone Transmission
Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), London, UK, pp. 724-728, November 1996
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Bibtex

R. Fischer, J. Huber and U. Wachsmann
Multilevel Coding: Aspects from Information Theory
Communication Theory Mini-Conference at IEEE Global Telecommunications Conference(CTMC), London, UK, pp. 26-30, November 1996
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Bibtex

R. Bäuml, R. Fischer and J. Huber
Reducing the Peak-to-Average Power Ratio of Multicarrier Modulation by Selected Mapping
IET Electronics Letters, Vol. 32, pp. 2056-2057, October 1996
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Bibtex

R. Fischer and J. Huber
Neues Verfahren zur Raten- und Leistungsverteilung bei Mehrträgersystemen
Proceedings of 1. International OFDM Workshop (InOWo), Braunschweig, Germany, September 1996
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Bibtex

R. Fischer, J. Huber and U. Wachsmann
Coded Modulation: Design of Signal Set and Shaping
25th General Assembly of URSI, Lille, France, pp. 151, August 1996
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Bibtex

R. Fischer, J. Huber and U. Wachsmann
Multilevel Coding: Aspects from Information Theory
Proceedings of the IEEE Information Theory Workshop (ITW), Haifa, Israel, pp. 9, June 1996
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Bibtex

1995

R. Fischer, W. Gerstacker and J. Huber
Dynamics Limited Precoding, Shaping, and Blind Equalization for Fast Digital Transmission over Twisted Pair Lines
IEEE Journal on Selected Areas in Communications, Vol. 13, Num. 9, pp. 1622-1633, December 1995
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Bibtex

W. Gerstacker, R. Fischer and J. Huber
Blind Equalization for Fast Digital Cable Transmission with Tomlinson-Harashima Precoding and Shaping
Proceedings of IEEE International Conference on Communications (ICC), Seattle, WA, USA, pp. 493-497, June 1995
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Bibtex

R. Fischer and J. Huber
Dynamics Limited Shaping for Fast Digital Transmission
Proceedings of IEEE International Conference on Communications (ICC), Seattle, WA, USA, pp. 22-26, June 1995
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Bibtex

R. Fischer
Using Flexible Precoding for Channels with Spectral Nulls
IET Electronics Letters, Vol. 31, Num. 5, pp. 356-358, March 1995
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Bibtex

1994

R. Fischer, J. Huber and G. Komp
Coordinated Digital Transmission: Theory and Examples
International Journal of Electronics and Communications (AEU), pp. 289-300, November 1994
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Bibtex

R. Fischer and J. Huber
Signalformung zur Begrenzung der Dynamik bei der Tomlinson-Harashima-­Vorcodierung
Proceedings of 1. International ITG Conference on Source and Channel Coding (SCC), München, pp. 457-466, October 1994
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Bibtex

J. Huber and R. Fischer
Dynamically Coordinated Reception of Multiple Signals in Correlated Noise
Proceedings of the International Symposium on Information Theory (ISIT), Trondheim, Norway, pp. 132, July 1994
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Bibtex

Lectures:

Former Teaching University Erlangen:

  • Kanalcodierung (1998-2010)
  • Multiuser Communications and MIMO Systems (2010-2012)
  • Informationstheorie (2005-2010)
  • Praktikum „Software für die Mathematik“ (2003-2011)
  • Seminar „Nachrichtenteschnische Systeme“ (2009-2011)
  • Digitale Übertragung (1998-2011)
  • Signalübertragung und -verarbeitung (2002-2003)
  • Praktikum „Simulationstools“ (2007-2009)

Other Former Teaching:

There is always a number of open topics for Bachelor / Master theses. Please see the list of open theses.

Director