Bernhard Rinner, Christian Bettstetter, Hermann Hellwagner, and Stephan Weiss. Multidrone Systems: More Than the Sum of the Parts. IEEE Computer, vol. 54, no. 5, pp. 34–43, May 2021. Open access. Download IEEE version.
Jorge F. Schmidt, Daniel Neuhold, Christian Bettstetter, Jirka Klaue, and Dominic Schupke. Wireless Connectivity in Airplanes: Challenges and the Case for UWB. IEEE Access, vol. 9, pp. 52913–52925, April 2021. Open access. Download IEEE version.
Samira Hayat, Hermann Hellwagner, Roland Jung, Christian Bettstetter, Driton Emini, and Dominik Schnieders. Edge Computing in 5G for Drone Navigation: What to Offload? IEEE Robotics and Automation Letters, vol. 6, no. 2, pp. 2571–2578, April 2021.
Jorge F. Schmidt, Udo Schilcher, Mahin K. Atiq, and Christian Bettstetter. Interference Prediction in Wireless Networks: Stochastic Geometry meets Recursive Filtering. IEEE Transactions on Vehicular Technology, vol. 70, no. 3, pp. 2783–2793, March 2021. Open access. Download IEEE version.
Arke Vogell, Udo Schilcher, and Christian Bettstetter. Deadlocks in the Synchronization of Pulse-Coupled Oscillators on Star Graphs. Physical Review E, vol. 102, no. 6, article 062211, December 2020. Open access. Download APS version.
Agata Barciś and Christian Bettstetter. Sandsbots: Robots that Sync and Swarm. IEEE Access, vol. 8, pp. 218752-764, December 2020. Open access. Download IEEE version.
Samira Hayat, Evşen Yanmaz, Christian Bettstetter, and Timothy X Brown. Multi-Objective Drone Path Planning for Search and Rescue with Quality-of-Service Requirements. Autonomous Robots, vol. 44, no. 7, pp. 1183–1198, September 2020. Open access. Download Springer version.
Udo Schilcher, Jorge F. Schmidt, and Christian Bettstetter. On Interference Dynamics in Matérn Networks. IEEE Transactions on Mobile Computing, vol. 19, no. 7, pp. 1677–1688, July 2020. Open access. Download IEEE version.
Udo Schilcher, Jorge F. Schmidt, Mahin Atiq, and Christian Bettstetter. Autocorrelation and Coherence Time of Interference in Poisson Networks. IEEE Transactions on Mobile Computing, vol. 19, no. 7, pp. 1506–1518, July 2020. Open access. Download IEEE version.
Jorge F. Schmidt, Denis Chernov, and Christian Bettstetter. Towards Industrial Ultra-Wideband Networks: Experiments for Machine Vibration Monitoring. IEEE Access, vol. 8, pp. 42576–583, March 2020. Open access. Download IEEE version.
Raheeb Muzaffar, Evşen Yanmaz, Christian Raffelsberger, Christian Bettstetter, and Andrea Cavallaro. Live Multicast Video Streaming from Drones: An Experimental Study. Autonomous Robots, Special Issue on Robot Communication Challenges: Real-World Problems, Systems, and Methods, vol. 44, no. 1, pp. 75–91, January 2020. Open access. Download Springer version.
Pasquale Grippa, Udo Schilcher, and Christian Bettstetter. On Access Control in Cabin-Based Transport Systems. IEEE Transactions on Intelligent Transportation Systems, vol. 20, no. 6, pp. 2149–2156, June 2019. Download arXiv preprint.
Ursula Challita, Walid Saad, and Christian Bettstetter. Interference Management for Cellular-Connected UAVs: A Deep Reinforcement Learning Approach. IEEE Transactions on Wireless Communications, vol. 18, no. 4, pp. 2125–2140, April 2019.
We dimension and control a fleet of delivery drones.
Pasquale Grippa, Doris A. Behrens, Friederike Wall, and Christian Bettstetter. Drone Delivery Systems: Job Assignment and Dimensioning. Autonomous Robots, Special Issue on Robotics: Science and Systems (RSS), vol. 43, no. 2, pp. 261–274, February 2019. Open access.
Evşen Yanmaz, Saeed Yahyanejad, Bernhard Rinner, Hermann Hellwagner, and Christian Bettstetter. Drone Networks: Communications, Coordination, and Sensing. Ad Hoc Networks, Special Issue on Advances in Wireless Communication and Networking for Cooperating Autonomous Systems, vol. 68, pp. 1–15, January 2018. Download preprint.
Wasif Masood, Jorge F. Schmidt, Günther Brandner, and Christian Bettstetter. DISTY: Dynamic Stochastic Time Synchronization for Wireless Sensor Networks. IEEE Transactions on Industrial Informatics, vol. 13, no. 3, pp. 1421–1429, May 2017.
We proposed coupling rules for networked oscillators and proved that synchronization emerges.
Johannes Klinglmayr, Christian Bettstetter, Marc Timme, and Christoph Kirst. Convergence of Self-Organizing Pulse Coupled Oscillator Synchronization in Dynamic Networks. IEEE Transactions on Automatic Control, vol. 62, no. 4, pp. 1606–1619, April 2017.
Udo Schilcher, Günther Brandner, and Christian Bettstetter. Quantifying Inhomogeneity of Spatial Point Patterns. Computer Networks, vol. 115, pp. 65–81, March 2017. Open access.
Jorge F. Schmidt, Udo Schilcher, and Christian Bettstetter. Exact Bit Error Rate Expressions for Interference-Limited Poisson Networks. IET Electronics Letters, vol. 52, no. 23, pp. 1961–1963, November 2016. Open access.
Torsten Andre and Christian Bettstetter. Collaboration in Multi-Robot Exploration: To Meet or Not to Meet? Journal of Intelligent & Robotic Systems, vol. 82, no. 2, pp. 325–337, May 2016.
Günther Brandner, Udo Schilcher, and Christian Bettstetter. Firefly Synchronization with Phase Rate Equalization and its Experimental Analysis in Wireless Systems. Computer Networks, vol. 97, pp. 74–87, March 2016. Open access.
Udo Schilcher, Stavros Toumpis, Martin Haenggi, Alessandro Crismani, Günther Brandner, and Christian Bettstetter. Interference Functionals in Poisson Networks. IEEE Transactions on Information Theory, vol. 62, no. 1, pp. 370–383, January 2016. Open access.
Alessandro Crismani, Stavros Toumpis, Udo Schilcher, Günther Brandner, and Christian Bettstetter. Cooperative Relaying under Spatially and Temporally Correlated Interference. IEEE Transactions on Vehicular Technology, vol. 64, no. 10, pp. 4655–4669, October 2015. Open access.
Alexander Gogolev, Nikolaj Marchenko, Lucio Marcenaro, and Christian Bettstetter. Distributed Binary Consensus in Networks with Disturbances. ACM Transactions on Autonomous and Adaptive Systems, vol. 10, no. 3, article 19, September 2015.
Helmut Adam, Evşen Yanmaz, and Christian Bettstetter. Medium Access with Adaptive Relay Selection in Cooperative Wireless Networks. IEEE Transactions on Mobile Computing, vol. 13, no. 9, pp. 2042–2057, September 2014. Open access.
We implemented relaying protocols in IEEE 802.15.4 and evaluated them in a factory.
Nikolaj Marchenko, Torsten Andre, Günther Brandner, Wasif Masood, and Christian Bettstetter. An Experimental Study of Selective Cooperative Relaying in Industrial Wireless Sensor Networks. IEEE Transactions on Industrial Informatics, vol. 10, no. 3, pp. 1806–1816, August 2014.
Torsten Andre, Karin A. Hummel, Angela P. Schoellig, Evşen Yanmaz, Mahdi Asadpour, Christian Bettstetter, Pasquale Grippa, Hermann Hellwagner, Stephan Sand, Siwei Zhang. Application-Driven Design of Aerial Communication Networks. IEEE Communications Magazine, vol. 52, no. 5, pp. 129–137, May 2014.
Nikolaj Marchenko and Christian Bettstetter. Cooperative ARQ with Relay Selection: An Analytical Framework Using Semi-Markov Processes. IEEE Transactions on Vehicular Technology, vol. 63, no. 1, pp. 178–190, January 2014.
Günther Brandner, Christian Bettstetter, and Udo Schilcher. Contention-Based Node Selection with Applications to Relay Communications and Load Balancing. EURASIP Journal on Wireless Communications and Networking, article 211, August 2013. Open access.
Helmut Adam, Evşen Yanmaz, and Christian Bettstetter. Contention-Based Estimation of Neighbor Cardinality. IEEE Transactions on Mobile Computing, vol. 12, no. 3, pp. 542–555, March 2013.
We derived the correlation of interference in stochastic wireless networks.
Udo Schilcher, Christian Bettstetter, and Günther Brandner. Temporal Correlation of Interference in Wireless Networks with Rayleigh Block Fading. IEEE Transactions on Mobile Computing, vol. 11, no. 12, pp. 2109–2120, December 2012.
Johannes Klinglmayr and Christian Bettstetter. Self-Organizing Synchronization with Inhibitory-Coupled Oscillators: Convergence and Robustness. ACM Transactions on Autonomous and Adaptive Systems, vol. 7, no. 3, article 30, September 2012.
Johannes Klinglmayr, Christoph Kirst, Christian Bettstetter, and Marc Timme. Guaranteeing Global Synchronization in Networks with Stochastic Interactions. New Journal of Physics, vol. 14, no. 073031, July 2012. Open access.
Günther Brandner, Udo Schilcher, Torsten Andre, and Christian Bettstetter. Packet Delivery Performance of Simple Cooperative Relaying in Real-World Car-to-Car Communications. IEEE Wireless Communications Letters, vol. 1, no. 3, pp. 237–240, June 2012.
Sérgio Crisóstomo, Udo Schilcher, Christian Bettstetter, and João Barros. Probabilistic Flooding in Stochastic Networks: Analysis of Global Information Outreach. Computer Networks, vol. 56, no. 1, pp. 142–156, January 2012.
Alexander Tyrrell, Gunther Auer, and Christian Bettstetter. Emergent Slot Synchronization in Wireless Networks. IEEE Transactions on Mobile Computing, vol. 9, no. 5, pp. 719–732, May 2010.
Wilfried Elmenreich, Nikolaj Marchenko, Helmut Adam, Christian Hofbauer, Günther Brandner, Christian Bettstetter, and Mario Huemer. Building Blocks of Cooperative Relaying in Wireless Systems. e & i Elektrotechnik und Informationstechnik, Special Issue on Networked Embedded Systems, Springer, vol. 126, no. 10, pp. 353–359, Oct 2008.
Alexander Tyrrell, Gunther Auer, and Christian Bettstetter. Biologically Inspired Synchronization for Wireless Networks. In Advances in Biologically Inspired Information Systems: Models, Methods, and Tools, Eds. Falko Dressler and Iacopo Carreras, in Series: Studies in Computational Intelligence, Springer, vol. 69, pp. 47–62, 2007.
Emma Carlson, Christian Prehofer, Christian Bettstetter, Holger Karl, and Adam Wolisz. A Distributed End-to-End Reservation Protocol for IEEE 802.11-based Wireless Mesh Networks. IEEE Journal on Selected Areas in Communications (JSAC), Special Issue on Multi-Hop Wireless Mesh Networks, vol. 24, no. 11, pp. 2018–2027, November 2006.
Philipp Hofmann, Christian Bettstetter, and Christian Prehofer. Performance Impact of Multihop Handovers in an IP-based Multihop Radio Access Network. ACM Mobile Computing and Communications Review, vol. 10, no. 2, pp. 13–25. April 2006.
Robert Vilzmann, Christian Bettstetter, and Christian Hartmann. BeamMAC: A New Paradigm for Medium Access in Wireless Networks. International Journal of Electronics and Communications (AEÜ), vol. 60, no. 1, pp. 3–7, January 2006.
Christian Bettstetter and Christian Hartmann. Connectivity of Wireless Multihop Networks in a Shadow Fading Environment. ACM/Springer Wireless Networks, vol. 11, no. 5, pp. 571–579, September 2005.
We discussed principles of self-organization in networks.
Christian Prehofer and Christian Bettstetter. Self-Organization in Communication Networks: Principles and Design Paradigms. IEEE Communications Magazine, Feature Topic on Advances in Self-Organizing Networks, vol. 43, no. 7, pp. 78–85, July 2005.
Christian Bettstetter, Hannes Hartenstein, and Xavier Pérez-Costa. Stochastic Properties of the Random Waypoint Mobility Model. ACM/Kluwer Wireless Networks, Special Issue on Modeling and Analysis of Mobile Networks, vol. 10, no. 5, pp. 555-567, Sept 2004.
Christian Bettstetter. On the Connectivity of Ad Hoc Networks. The Computer Journal, Special Issue on Mobile and Pervasive Computing, vol. 47, no. 4, pp. 432–447, Oxford University Press, July 2004.
Xavier Peréz-Costa, Christian Bettstetter, and Hannes Hartenstein. Toward a Mobility Metric for Comparable and Reproducible Results in Ad Hoc Networks Research. ACM Mobile Computing and Communications Review, vol. 7, no. 4, pp. 58–60, October 2003.
We analyzed the node distribution of random waypoint mobility.
Christian Bettstetter, Giovanni Resta, and Paolo Santi. The Node Distribution of the Random Waypoint Mobility Model for Wireless Ad Hoc Networks. IEEE Transactions on Mobile Computing, vol. 2, no. 3, pp. 257–269, July-September 2003. Received the 2004 outstanding paper award from the German Society for Information Technology (“Preis der ITG“).
Christian Bettstetter. Topology Properties of Ad Hoc Networks with Random Waypoint Mobility. ACM Mobile Computing and Communications Review, vol. 7, no. 3, pp. 50–52, July 2003.
Wolfgang Kellerer, Christian Bettstetter, Christian Schwingenschlögl, Peter Sties, Karl-Ernst Steinberg, and Hans-Jörg Vögel. (Auto) Mobile Communication in a Heterogeneous and Converged World. IEEE Personal Communications Magazine, Special Issue on European R&D on Fourth-Generation Mobile and Wireless IP Networks, vol. 8, no. 6, pp. 41–47, December 2001.
Christian Bettstetter. Mobility Modeling in Wireless Networks: Categorization, Smooth Movement, and Border Effects. ACM Mobile Computing and Communications Review, vol. 5, no. 3, pp. 55–67, July 2001.
Christian Weiß, Christian Bettstetter, and Sven Riedel. Code Construction and Decoding of Parallel Concatenated Tail-Biting Codes. IEEE Transactions on Information Theory, vol. 47, no. 1, pp. 368–388, Jan 2001.
Christian Bettstetter, Hans-Jörg Vögel, and Jörg Eberspächer. GSM Phase 2+ General Packet Radio Service GPRS: Architecture, Protocols, and Air Interface. IEEE Communications Surveys, Special Issue on Packet Radio Networks, vol. 2, no. 3, pp. 2–14, Third Quarter 1999. Open access.