Fabien Geyer

Publications

(Last update: March 10, 2026)

• Optimizing TTL Cache Hierarchies under Random Delays: Direct Methods and Learning on Graph Transformations, Computer Networks. Karim S. Elsayed, Fabien Geyer, Amr Rizk [doi:10.1016/j.comnet.2026.112180]
• Reliable and Private Anonymous Routing for Satellite Constellations, Nilesh Vyas, Fabien Geyer, Svetoslav Duhovnikov [link]

• Explainable AI for UAV Mobility Management: A Deep Q-Network Approach for Handover Minimization, Proceedings of the 2025 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC). Irshad A. Meer, Bruno Hörmann, Mustafa Ozger, Fabien Geyer, Alberto Viseras, Dominic Schupke, Cicek Cavdar [arxiv] [doi:10.1109/PIMRC62392.2025.11274880]
• Efficient Gradient-based Network Calculus for Scalable Synthesis of Network Configurations, Proceedings of the 31^st IEEE International Conference on Embedded and Real-Time Computing Systems and Application (RTCSA). Fabien Geyer, Steffen Bondorf [dataset] [doi:10.1109/RTCSA66114.2025.00029]
• Evaluation of Graph Neural Networks in Airborne Networks, Proceedings of the 31^st IEEE International Symposium on Local and Metropolitan Area Networks (LANMAN). Ali Yilmaz Yildirim, Fabien Geyer, Georg Carle [dataset] [doi:10.1109/LANMAN66415.2025.11154539]

• Utility-driven Optimization of TTL Cache Hierarchies under Network Delays, IFIP Networking 2024. Karim S. Elsayed, Fabien Geyer, Amr Rizk [arxiv] [doi:10.23919/IFIPNetworking62109.2024.10619843]
• Efficient and Mathematically Robust Operations for Certified Neural Networks Inference, Proceedings of the 6^th Workshop on Accelerated Machine Learning (AccML). Fabien Geyer, Johannes Freitag, Tobias Schulz, Sascha Uhrig [link] [arxiv]

• Passive Sensing and Localization in an Aircraft Cabin Using a Wireless Communication Network, Fabien Geyer, Thomas Multerer, Paulo Mendes, Dominic Schupke [link]
• Differentiable Programming & Network Calculus: Configuration Synthesis under Delay Constraints, Fabien Geyer, Steffen Bondorf [link] [dataset]
• RiskNet: Neural Risk Assessment in Networks of Unreliable Resources, Journal of Network and Systems Management. Krzysztof Rusek, Piotr Boryło, Piotr Jaglarz, Fabien Geyer, Albert Cabellos-Aparicio, Piotr Chołda [link] [arxiv] [doi:10.1007/s10922-023-09755-y]
• Graph neural networks for communication networks: Context, use cases and opportunities, IEEE Network. José Suárez-Varela, Paul Almasan, Miquel Ferriol-Galmés, Krzysztof Rusek, Fabien Geyer, Xiangle Cheng, Xiang Shi, Shihan Xiao, Franco Scarselli, Albert Cabellos-Aparicio, Pere Barlet-Ros [arxiv] [doi:10.1109/MNET.123.2100773]
• Network calculus with flow prolongation - a feedforward FIFO analysis enabled by ML, IEEE Transactions on Computers. Fabien Geyer, Alexander Scheffler, Steffen Bondorf [arxiv] [dataset] [doi:10.1109/TC.2022.3204225]

• Precise Onboard Aircraft Cabin Localization using UWB and ML, Proceedings of the 2022 IEEE Global Communications Conference (GLOBECOM 2022). Fabien Geyer, Dominic Schupke [arxiv] [doi:10.1109/GLOBECOM48099.2022.10000651]
• Analyzing real-time video delivery over cellular networks for remote piloting aerial vehicles, Proceedings of the ACM Internet Measurement Conference (IMC 2022). Aygün Baltaci, Hendrik Cech, Nitinder Mohan, Fabien Geyer, Vaibhav Bajpai, Jörg Ott, Dominic Schupke [code] [dataset] [doi:10.1145/3517745.3561465]
• End-to-end multipath optimization for reliable aerial connectivity, Proc. of the 12^th ACM International Symposium on Design and Analysis of Intelligent Vehicular Networks and Applications (Divanet ’22). Aygün Baltaci, Fabien Geyer, Dominic Schupke, Jörg Ott [doi:10.1145/3551662.3560927]
• Demo: A combined multipath connectivity and flight simulation framework, Proc. of the 12^th ACM International Symposium on Design and Analysis of Intelligent Vehicular Networks and Applications (Divanet ’22). Aygün Baltaci, Fabien Geyer, Markus Klügel, Dominic Schupke [doi:10.1145/3551662.3560925]
• Communication Demands and Performance Metrics for Next Generation Aerial Networks, IEEE Communications Magazine. Markus Klügel, Aygün Baltaci, Fabien Geyer, Nunzio Sciammetta, Svetoslav Duhovnikov, Dominic Schupke [doi:10.1109/MCOM.001.2100901]
• Network Synthesis under Delay Constraints: The Power of Network Calculus Differentiability, Proceedings of the 41^st IEEE International Conference on Computer Communications (INFOCOM 2022). Fabien Geyer, Steffen Bondorf [link] [dataset] [doi:10.1109/INFOCOM48880.2022.9796777]
• Data-Driven Network Architectures and Protocols, Habilitation thesis Technische Universität München. Fabien Geyer [link]

• A Localizable Wireless Communication Node with Remote Powering for Onboard Operations, Proceedings of the IEEE/AIAA 40^th Digital Avionics Systems Conference (DASC 2021). Thomas Multerer, Fabien Geyer, Svetoslav Duhovnikov, Aygün Baltaci, Jan Tepper, Dominic Schupke [doi:10.1109/DASC52595.2021.9594508]
• Adaptive Batching for Fast Packet Processing in Software Routers using Machine Learning, Proceedings of the 7^th IEEE International Conference on Network Softwarization (NetSoft). Peter Okelmann, Leonardo Linguaglossa, Fabien Geyer, Paul Emmerich, Georg Carle [link] [code] [doi:10.1109/NetSoft51509.2021.9492668]
• Tightening Network Calculus Delay Bounds by Predicting Flow Prolongations in the FIFO Analysis, Proceedings of the 27^th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS 2021). Fabien Geyer, Alexander Scheffler, Steffen Bondorf [link] [dataset] [doi:10.1109/RTAS52030.2021.00021]
• Experimental UAV Data Traffic Modeling and Network Performance Analysis, Proceedings of the 40^th IEEE International Conference on Computer Communications (INFOCOM 2021). Aygün Baltaci, Markus Klügel, Fabien Geyer, Svetoslav Duhovnikov, Vaibhav Bajpai, Jörg Ott, Dominic Schupke [link] [code] [doi:10.1109/INFOCOM42981.2021.9488878]
• Graph-based Deep Learning for Fast and Tight Network Calculus Analyses, IEEE Transactions on Network Science and Engineering. Fabien Geyer, Steffen Bondorf [link] [dataset] [doi:10.1109/TNSE.2020.3025806]

• Precise UWB-Based Localization for Aircraft Sensor Nodes, Proceedings of the IEEE/AIAA 39^th Digital Avionics Systems Conference (DASC 2020). Cansu Gözde Karadeniz, Fabien Geyer, Thomas Multerer, Dominic Schupke [link] [doi:10.1109/DASC50938.2020.9256793]
• On the Robustness of Deep Learning-predicted Contention Models for Network Calculus, Proceedings of the 25^th IEEE Symposium on Computers and Communications (ISCC 2020). Fabien Geyer, Steffen Bondorf [link] [arxiv] [dataset] [doi:10.1109/ISCC50000.2020.9219693]
• Virtual Cross-Flow Detouring in the Deterministic Network Calculus Analysis, IFIP Networking 2020. Steffen Bondorf, Fabien Geyer [link]

• On the Learnability of Software Router Performance via CPU Measurements, Proceedings of the 2019 CoNEXT Student Workshop. Charles Shelbourne, Leonardo Linguaglossa, Aldo Lipani, Tianzhu Zhang, Fabien Geyer [link] [dataset] [doi:10.1145/3360468.3366776]
• Cryptographic Hashing in P4 Data Planes, Proceedings of the 2^nd P4 Workshop In Europe (EuroP4 2019). Dominik Scholz, Andreas Oeldemann, Fabien Geyer, Sebastian Gallenmüller, Henning Stubbe, Thomas Wild, Andreas Herkersdorf, Georg Carle [link] [doi:10.1109/ANCS.2019.8901886]
• Demonstrating the Cost of Collecting In-Network Measurements for High-Speed VNFs, Proceedings of IFIP Network Traffic Measurement and Analysis Conference (TMA 2019). Leonardo Linguaglossa, Fabien Geyer, Wenqin Shao, Frank Brockners, Georg Carle [link] [doi:10.23919/TMA.2019.8784546]
• Reproducible Measurements of TCP BBR Congestion Control, Computer Communications Elsevier BV. Benedikt Jaeger, Dominik Scholz, Daniel Raumer, Fabien Geyer, Georg Carle [link] [code] [doi:10.1016/j.comcom.2019.05.011]
• DeepMPLS: Fast Analysis of MPLS Configurations Using Deep Learning, IFIP Networking 2019. Fabien Geyer, Stefan Schmid [link] [code] [dataset] [doi:10.23919/IFIPNetworking.2019.8816842]
• DTLS Performance - How Expensive is Security?, Sebastian Gallenmüller, Dominik Schöffmann, Dominik Scholz, Fabien Geyer, Georg Carle [link] [code] [dataset]
• DeepTMA: Predicting Effective Contention Models for Network Calculus using Graph Neural Networks, Proceedings of the 38^th IEEE International Conference on Computer Communications (INFOCOM 2019). Fabien Geyer, Steffen Bondorf [link] [dataset] [doi:10.1109/INFOCOM.2019.8737496]
• DeepComNet: Performance Evaluation of Network Topologies using Graph-Based Deep Learning, Performance Evaluation. Fabien Geyer [link] [doi:10.1016/j.peva.2018.12.003]
• Performance Perspective on Private Distributed Ledger Technologies for Industrial Networks, Proceedings of the International Conference on Networked Systems (NetSys 2019). Fabien Geyer, Holger Kinkelin, Hendrik Leppelsack, Stefan Liebald, Dominik Scholz, Georg Carle, Dominic Schupke [doi:10.1109/NetSys.2019.8854512]
• Deterministic Network Calculus Analysis of Multicast Flows, Systems Modeling: Methodologies and Tools Springer International Publishing. Steffen Bondorf, Fabien Geyer [doi:10.1007/978-3-319-92378-9_5]

• The Case for a Network Calculus Heuristic: Using Insights from Data for Tighter Bounds, Proceedings of the 2018 International Workshop on Network Calculus and Applications (NetCal 2018). Fabien Geyer, Georg Carle [link] [dataset] [doi:10.1109/ITC30.2018.10060]
• Learning and Generating Distributed Routing Protocols Using Graph-Based Deep Learning, Proceedings of the 2018 SIGCOMM Workshop on Big Data Analytics and Machine Learning For Data Communication Networks (Big-DAMA 2018). Fabien Geyer, Georg Carle [link] [doi:10.1145/3229607.3229610]
• Rapid Prototyping of Avionic Applications Using P4, 5^th P4 Workshop. Dominik Scholz, Fabien Geyer, Sebastian Gallenmüller, Georg Carle [link]
• Towards a Deeper Understanding of TCP BBR Congestion Control, IFIP Networking 2018. Dominik Scholz, Benedikt Jaeger, Lukas Schwaighofer, Daniel Raumer, Fabien Geyer, Georg Carle [link] [code] [doi:10.23919/IFIPNetworking.2018.8696830]
• Deterministic Network Calculus Analysis of Multicast Flows, Talk given at the 4th Workshop on Network Calculus. Fabien Geyer [link]
• Towards Embedded Packet Processing Devices for Rapid Prototyping of Avionic Applications, Proceedings of the 9^th European Congress Embedded Real Time Software and Systems (ERTS 2018). Fabien Geyer, Max Winkel [link]

• Aircraft Network Deployment Optimization with k-Survivability, Proceedings of the 11^th IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS 2017). Alireza Zamani, Fabien Geyer, Alexandros Elefsiniotis, Anke Schmeink [doi:10.1109/ANTS.2017.8384192]
• Performance Evaluation of Network Topologies using Graph-Based Deep Learning, Proceedings of the 11^th International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2017). Fabien Geyer [link] [doi:10.1145/3150928.3150941]
• Self-Configuring Deterministic Network with In-Band Configuration Channel, Proceedings of the 4^th IEEE International Conference on Software Defined Systems (SDS 2017). Peter Heise, Fabien Geyer, Roman Obermaisser [doi:10.1109/SDS.2017.7939158]
• Routing Optimization for SDN Networks Based on Pivoting Rules for the Simplex Algorithm, Proceedings of the 13^th International Conference on Design of Reliable Communication Networks (DRCN 2017). Fabien Geyer [link]
• Rapid Prototyping of Packet Processing Devices for Aeronautical Applications, Proceedings of the 6^th International Workshop on Aircraft System Technologies (AST 2017) Shaker-Verlag. Fabien Geyer, Max Winkel, Stefan Schneele

• TSimNet: An industrial Time Sensitive Networking simulation framework based on OMNeT++, Proceedings of the 8^th IFIP International Conference on New Technologies, Mobility and Security (NTMS). Peter Heise, Fabien Geyer, Roman Obermaisser [doi:10.1109/NTMS.2016.7792488]
• Generalizing Network Calculus Analysis to Derive Performance Guarantees for Multicast Flows, Proceedings of the 10^th International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2016). Steffen Bondorf, Fabien Geyer [link] [doi:10.4108/eai.25-10-2016.2266598]
• Towards Automatic Performance Optimization of Networks Using Machine Learning, Proceedings of the 17^th International Network Strategy and Planning Symposium (NETWORKS 2016). Fabien Geyer, Georg Carle [doi:10.1109/NETWKS.2016.7751147]
• Self-Configuring Real-Time Communication Network based on OpenFlow, Proceedings of the 22^nd IEEE International Symposium on Local and Metropolitan Area Networks (LANMAN 2016). Peter Heise, Marc Lasch, Fabien Geyer, Roman Obermaisser [doi:10.1109/LANMAN.2016.7548851]
• Network Engineering for Real-Time Networks: Comparison of Automotive and Aeronautic Industries Approaches, IEEE Communications Magazine. Fabien Geyer, Georg Carle [doi:10.1109/MCOM.2016.7402269]

• Deterministic OpenFlow: Performance Evaluation of SDN Hardware for Avionic Networks, Proceedings of the 11^th International Conference on Network and Service Management (CNSM 2015). Peter Heise, Fabien Geyer, Roman Obermaisser [doi:10.1109/CNSM.2015.7367385]
• Multi-Objective Optimization of Aircraft Networks for Weight, Performance and Survivability, Proceedings of the 7^th International Workshop on Reliable Networks Design and Modeling (RNDM 2015). Fabien Geyer, Alexandros Elefsiniotis, Dominic Schupke, Stefan Schneele [doi:10.1109/RNDM.2015.7325251]
• End-to-End Flow-Level Quality-of-Service Guarantees for Switched Networks, PhD thesis Technische Universität München. Fabien Geyer [link]
• Towards a Deterministic Mixed Criticality High Availability Seamless Redundancy (HSR) Ring, Proceedings of the 8^th International Workshop Communication Technologies For Vehicles (Nets4Cars/Nets4Trains/Nets4Aircraft 2015). Peter Heise, Fabien Geyer, Alexandros Elefsiniotis, Roman Obermaisser [doi:10.1007/978-3-319-17765-6_17]

• PETFEN: A Performance Evaluation Tool for Flow-Level Network Modeling of Ethernet Networks, Proceedings of the 8^th International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2014). Fabien Geyer, Stefan Schneele, Georg Carle [link] [doi:10.4108/icst.valuetools.2014.258166]
• Towards Stochastic Flow-Level Network Modeling: Performance Evaluation of Short TCP Flows, Proceedings of the 39^th IEEE Conference on Local Computer Networks (LCN 2014). Fabien Geyer, Stefan Schneele, Georg Carle [doi:10.1109/LCN.2014.6925817]
• Towards Reliability Evaluation of AFDX, Avionic Communication Systems With Rare-Event Simulation, Proceedings of the 12^th Probabilistic Safety Assessment & Management Conference (PSAM 2014). Armin Zimmermann, Sven Jäger, Fabien Geyer [link]
• Performance Evaluation of an Ethernet-Based Cabin Network Architecture Supporting a Low-Latency Service, Proceedings of the 6^th International Workshop Communication Technologies For Vehicles (Nets4Cars/Nets4Trains/Nets4Aircraft). Fabien Geyer, Stefan Schneele, Wolfgang Fischer [doi:10.1007/978-3-319-06644-8_7]
• Advances in TCP Network Calculus - Handling Crosstraffic and ON/OFF Flows, Talk given at the 2nd Workshop on Network Calculus. Fabien Geyer [link]

• Practical Performance Evaluation of Ethernet Networks with Flow-Level Network Modeling, Proceedings of the 7^th International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2013). Fabien Geyer, Stefan Schneele, Georg Carle [link] [doi:10.4108/icst.valuetools.2013.254367]
• Evaluation of Audio/Video Bridging Forwarding Method in an Avionics Switched Ethernet Context, Proceedings of the 18^th IEEE Symposium on Computers and Communications (ISCC 2013). Fabien Geyer, Emanuel Heidinger, Stefan Schneele, Alexander Bodisco [doi:10.1109/ISCC.2013.6755032]
• Simulation and Performance Evaluation of an Aircraft Cabin Network Node, Proceedings of the 4^th International Workshop on Aircraft System Technologies (AST 2013) Shaker-Verlag. Fabien Geyer, Stefan Schneele, Matthias Heinisch, Peter Klose
• RENETO, a Realistic Network Traffic Generator for OMNeT++/INET, Proceedings of the 6^th International Conference on Simulation Tools and Techniques (SIMUTOOLS 2013). Fabien Geyer, Stefan Schneele, Georg Carle [doi:10.4108/icst.simutools.2013.251697]

• Comparison of IEEE AVB and AFDX, Proceedings of the 31^st IEEE/AIAA Digital Avionics Systems Conference (DASC 2012). Stefan Schneele, Fabien Geyer [doi:10.1109/DASC.2012.6382405]
• A Performance Study of Audio Video Bridging in Aeronautic Ethernet Networks, Proceedings of the 7^th IEEE International Symposium on Industrial Embedded Systems (SIES 2012). Emanuel Heidinger, Fabien Geyer, Stefan Schneele, Michael Paulitsch [doi:10.1109/SIES.2012.6356571]