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Christoph Weyer

Foto von Christoph Weyer
Christoph Weyer
Raum 4.091, Gebäude E
Am Schwarzenberg-Campus 3
21073 Hamburg
Telefon040 42878 - 3375
Fax040 42878 - 2581
E-Mail

Christoph Weyer received his degree Diplom-Informatiker (FH) in Computer Science from the University of Applied Sciences Wiesbaden in Germany in 1995 and subsequently worked as an independent contractor, especially in the area of management of distributed systems. Since 2003 he holds a position as system administrator at the Institute of Telematics at Hamburg University of Technology and received his Master of Science in Information and Media Technologies in 2006. His research interests are in the area of distributed systems with a current focus on applying self-stabilization in wireless sensor networks.


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Publikationen

Volker Turau und Christoph Weyer. Cascading Failures Caused by Node Overloading in Complex Networks. In Proceedings of the Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, April 2016, pp. 1–6. Vienna, Austria.
@InProceedings{Telematik_CPSR-SG2016_SmartGrid, author = {Volker Turau and Christoph Weyer}, title = {Cascading Failures Caused by Node Overloading in Complex Networks}, booktitle = {Proceedings of the Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids}, pages = {1-6}, day = {12}, month = apr, year = 2016, location = {Vienna, Austria}, }
Abstract: It is well known that complex networks are vulnerable to the failure of hubs in terms of structural robustness. An as yet less researched topic is dynamical robustness, which refers to the ability of a network to maintain its dynamical activity against local disturbances. This paper analyzes the impact of overload attacks in complex networks and gives a precise definition of this type of attack using the load redistribution model. The main contribution is a greedy algorithm to select a small number of candidates for an overload attack maximizing the impact with respect to the number of failed nodes and load increase. The quality of the algorithm is analyzed for a real power grid network.
Volker Turau und Christoph Weyer. Algorithmische Graphentheorie. De Gruyter, Berlin, Germany, 4th edition, Oktober 2015.
@Book{Telematik_Turau_2015_AGT, author = {Volker Turau and Christoph Weyer}, title = {Algorithmische Graphentheorie}, publisher = {De Gruyter}, address = {Berlin, Germany}, edition = {4th}, month = oct, year = 2015, isbn = {978-3-11-041727-2}, }
Gerry Siegemund, Volker Turau und Christoph Weyer. A Dynamic Topology Control Algorithm for Wireless Sensor Networks. In Proceedings of the International Conference on Ad-hoc, Mobile and Wireless Networks, ADHOC-NOW 2015, Juni 2015, pp. 3–18. Athens, Greece.
@InProceedings{Telematik_Adhoc-Now_2015, author = {Gerry Siegemund and Volker Turau and Christoph Weyer}, title = {A Dynamic Topology Control Algorithm for Wireless Sensor Networks}, booktitle = {Proceedings of the International Conference on Ad-hoc, Mobile and Wireless Networks, ADHOC-NOW 2015}, pages = {3-18}, month = jun, year = 2015, location = {Athens, Greece}, }
Abstract: Topology control algorithms (TCAs) are used in wireless sensor networks to reduce interference by carefully choosing communication links. Since the quality of the wireless channel is subject to fluctuations over time TCAs must repeatedly recompute the topology. TCAs ensure quick adjustment to new or deteriorating links while preventing precipitant changes due to transient faults. This paper contributes a novel dynamic TCA that provides a compromise between agility and stability, and constructs connected topologies for low latency routing. Furthermore, it enforces memory restrictions and is of high practical relevance for real sensor network hardware.

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