Rick Fritschek

Rick Fritschek

Research Scientist at Technische Universität Dresden

Publications

An up-to-date list of my articles can be found on my Google Scholar profile and my TU Dresden FIS profile.

Journal Articles

  1. A. Roessler, M. M. Lopez, R. Diab, R. L. G. Cavalcante, A. Abdi, C. Arendt, C. Bockelmann, A. Danaee, M. Danger, A. Dekorsy, A. El Husseini, G. Fettweis, J. Fink, R. Fritschek, et al., “AI/ML-Driven 6G Network Solutions with Energy Efficiency Considerations”, in IEEE Access, vol. 14, pp. 39617-39645, 2026. [doi]

  2. B. Banerjee, B. Agarwal, A. Ahmad, C. Bockelmann, R. L. G. Cavalcante, A. Danaee, A. Dekorsy, G. Fettweis, J. Fink, N. Franchi, R. Fritschek, et al., “6G PHY: Insights From 6G-ANNA Research Initiative”, in IEEE Open Journal of the Communications Society, vol. 7, pp. 1210-1234, 2026. [doi]

  3. R. Fritschek and G. Wunder, “On the Gaussian Multiple Access Wiretap Channel and the Gaussian Wiretap Channel with a Helper: Achievable Schemes and Upper Bounds”, in IEEE Transactions on Information Forensics and Security, vol. 14, no. 5, pp. 1224-1239, May 2019. [preprint]

Conference Articles

  1. R. Fritschek and R. F. Schaefer, “MinGRU-Based Encoder for Turbo Autoencoder Frameworks”, in Proc. IEEE International Conference on Machine Learning for Communication and Networking (ICMLCN), Barcelona, Spain, 2025. [doi] [preprint]

  2. M. Kim, R. Fritschek, and R. F. Schaefer, “Robust Generation of Channel Distributions with Diffusion Models”, in Proc. IEEE International Conference on Communications (ICC), Denver, USA, 2024, pp. 330-335. [doi]

  3. O. Günlü, R. Fritschek, and R. F. Schaefer, “Concatenated Classic and Neural (CCN) Codes: ConcatenatedAE”, in Proc. IEEE Wireless Communications and Networking Conference (WCNC), Glasgow, UK, 2023, pp. 1-6. [doi] [preprint]

  4. M. Kim, R. Fritschek, and R. F. Schaefer, “Learning End-to-End Channel Coding with Diffusion Models”, in Proc. 26th International ITG Workshop on Smart Antennas and 13th Conference on Systems, Communications, and Coding (WSA & SCC), Braunschweig, Germany, 2023, pp. 208-213. [preprint]

  5. R. Fritschek, R. F. Schaefer, and G. Wunder, “Reinforce Security: A Model-Free Approach towards Secure Wiretap Coding”, in Proc. IEEE International Conference on Communications (ICC), Virtual, 2021, pp. 1-6. [doi] [preprint]

  6. G. Wunder, B. Groß, R. Fritschek, and R. F. Schaefer, “A Reverse Jensen Inequality Result with Application to Mutual Information Estimation”, in Proc. IEEE Information Theory Workshop (ITW), Virtual, 2021, pp. 1-6. [doi] [preprint]

  7. R. Fritschek, R. F. Schaefer, and G. Wunder, “Deep learning based wiretap coding via mutual information estimation”, in Proc. ACM Workshop on Wireless Security and Machine Learning (WiseML), Linz, Austria, 2020, pp. 74-79. [doi]

  8. R. Fritschek, R. F. Schaefer, and G. Wunder, “Neural Mutual Information Estimation for Channel Coding: State-of-The-Art Estimators, Analysis, and Performance Comparison”, in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Atlanta, USA, 2020, pp. 1-5. [doi] [preprint]

  9. R. Fritschek, R. F. Schaefer, and G. Wunder, “Deep Learning for Channel Coding via Neural Mutual Information Estimation”, in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Cannes, France, 2019, pp. 1-5. [doi] [preprint] [code]

  10. R. Fritschek, R. F. Schaefer, and G. Wunder, “Deep Learning for the Gaussian Wiretap Channel”, in Proc. IEEE International Conference on Communications (ICC), Shanghai, China, 2019, pp. 1-6. [preprint] [code]

  11. G. Wunder, I. Roth, R. Fritschek, B. Groß, and J. Eisert, “Secure massive IoT using hierarchical fast blind deconvolution”, in Proc. IEEE Wireless Communications and Networking Conference Workshops (WCNCW), 2018, pp. 119-124. [preprint]

  12. R. Fritschek and G. Wunder, “On Full-Duplex Secure Key Generation with Deterministic Models”, in Proc. IEEE Conference on Communications and Network Security (CNS), Las Vegas, NV, USA, 2017, pp. 550-554, invited.

  13. G. Wunder, I. Roth, R. Fritschek, and J. Eisert, “HiHTP: A Custom-Tailored Hierarchical Sparse Detector for Massive MTC”, in Proc. Asilomar Conference on Signals, Systems, and Computers, 2017, pp. 1929-1934. [preprint]

  14. R. Fritschek and G. Wunder, “On-The-Fly Secure Key Generation with Deterministic Models”, in Proc. IEEE International Conference on Communications (ICC), Paris, France, 2017, pp. 1-6. [preprint]

  15. G. Wunder, R. Fritschek, and R. Khan, “RECiP: Wireless channel reciprocity restoration method for varying transmission power”, in Proc. IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Valencia, Spain, 2016, pp. 1-5.

  16. R. Fritschek and G. Wunder, “Towards a Constant-Gap Sum-Capacity Result for the Gaussian Wiretap Channel with a Helper”, in Proc. IEEE International Symposium on Information Theory (ISIT), Barcelona, Spain, 2016, pp. 2978-2982. [preprint]

  17. R. Fritschek and G. Wunder, “Constant-Gap Sum-Capacity Approximation of the Deterministic Interfering Multiple Access Channel”, in Proc. IEEE International Symposium on Information Theory (ISIT), Hong Kong, China, 2015, pp. 2643-2647.

  18. R. Fritschek and G. Wunder, “Deterministic IMAC revisited: Constant-Gap Capacity in the weak interference case”, in Proc. IEEE International Conference on Communications (ICC), London, UK, 2015, pp. 4211-4216.

  19. R. Fritschek and G. Wunder, “Enabling the multi-user generalized degrees of freedom in the Gaussian cellular channel”, in Proc. IEEE Information Theory Workshop (ITW), Hobart, Australia, 2014, pp. 107-111. [preprint]

  20. R. Fritschek and G. Wunder, “Upper bounds and duality relations of the linear deterministic sum capacity for cellular systems”, in Proc. IEEE International Conference on Communications (ICC), Sydney, Australia, 2014, pp. 1884-1889. [preprint]

  21. G. Zhang, R. Fritschek, F. Becker, S. Prys, and M. Urban, “Shielding calculations of a CASTOR with MCNP5”, in Annual Meeting on Nuclear Technology, 2010, p. 3.

Book Chapters

  1. R. Fritschek and G. Wunder, “Enabling the Multi-User Generalized Degrees of Freedom in Cellular Interference Networks with Multi-User Coding”, in Communications in Interference-Limited Networks, ser. Signals and Communication Technology, Springer, 2016, pp. 53-73.

Preprints

  1. R. Fritschek and G. Wunder, “On Multiuser Gain and the Constant-Gap Sum Capacity of the Gaussian Interfering Multiple Access Channel”. [arXiv:1705.04514]

  2. G. Wunder, I. Roth, R. Fritschek, and J. Eisert, “Performance of Hierarchical Sparse Detectors for Massive MTC”. [arXiv:1806.02754]

  3. R. Fritschek and G. Wunder, “On the Deterministic Sum-Capacity of the Multiple Access Wiretap Channel”. [arXiv:1701.07380]