University of Bonn

Institute of Computer Science IV

Computer Networks and Distributed Systems

Dr. rer. nat. Wolfgang Hansmann

Contact: Dr. rer. nat. Wolfgang Hansmann Rheinische Friedrich-Wilhelms-Universität Bonn Institut für Informatik IV Römerstraße 164 D-53117 Bonn Tel.: +49 228 734549 Fax: +49 228 734571 E-Mail: hansmann@cs.uni-bonn.de Office: N104a

Research:

• EU-Project DRiVE (Dynamic Radio for IP-services in Vehicular Environments, IST project no. 1999-12515)
• EU-Project OverDRiVE (Spectrum Efficient Uni- and Multicast Services over Dynamic Radio for IP-services in Vehicular Environments, IST project no. 2001-35125)
• Mobile and wireless communication
• Transport protocol behaviour in heterogeneous network environments

Publications:

• Wolfgang Hansmann
  Improving TCP Handover Behavior in Heterogeneous Wireless Environments, PhD thesis, Institute of Computer Science IV, University of Bonn, GCA-Verlag, Herdecke 2004, ISBN 3-89863-185-0.
  
  
• Nils Aschenbruck, Matthias Frank, Wolfgang Hansmann, Peter Martini, Christoph Scholz, Jens Tölle
  "Integration of 3G Protocols into the Linux Kernel to Enable the Use of Generic Bearers"
  Proceedings of the 7th IEEE International Conference on High Speed Networks and Multimedia Communications,
  HSNMC'04, Toulouse, France, June 30 - July 2, 2004. Springer Lecture Notes in Computer Science (LNCS) 3079.
  
  
• Wolfgang Hansmann, Matthias Frank
  "On Things to happen during a TCP Handover", accepted for the 28th Annual Conference on Local Computer Networks, LCN'03, Königswinter, Germany, October 2003.
  
  
• Wolfgang Hansmann, Matthias Frank, Michael Wolf
  "Performance Analysis of TCP Handover in a Wireless/Mobile Multi-Radio Environment" Proceedings of the 27th Annual Conference on Local Computer Networks, LCN'02, Tampa, FL, November 2002.
  
  
• Matthias Frank, Tomas Göransson, Wolfgang Hansmann, Ola Johansson, Thorsten Lohmar, Toni Paila, Ralf Tönjes, Lin Xu
  "Mobility management in a hybrid radio system", to appear in the RSRCP Journal - Reseaux et systemes repartis, calculateurs paralleles, Special Issue on Mobility and Internet, Hermes Science Publications, Volume 13, No. XXX, 2001
  
  
• Lin Xu, Toni Paila, Wolfgang Hansmann, Matthias Frank
  "IPv6 based Infrastructure for Wireless IP in Multi-Radio Environments with Quality of Service Support", Proceedings of the 26th Annual Conference on Local Computer Networks, LCN'01, Tampa, FL, November 2001
  
  
• Toni Paila, Simon Aladdin, Johan Ebenhard, Matthias Frank, Tomas Göransson, Wolfgang Hansmann, Thorsten Lohmar, Ralf Tönjes, Lin Xu
  "Flexible Network Architecture for Future Hybrid Wireless Systems", IST Mobile Communications Summit 2001, Barcelona, Spain, September 2001
  
  
• Lin Xu, Ralf Tönjes, Toni Paila, Wolfgang Hansmann, Matthias Frank, Markus Albrecht
  "DRiVE-ing to the Internet: Dynamic Radio for IP Services in Vehicular Environments", Proc. of the 25th Annual Conference on Local Computer Networks, LCN'00, Tampa, FL, November 2000
  
  
• Ralf Tönjes, Peter Benkö, Johan Ebenhard, Matthias Frank, Tomas Göransson, Wolfgang Hansmann, Jörg Huschke, Thorsten Lohmar, Toni Paila, Fredrik Sällström, Wolfgang Stahl, Lin Xu
  "Architecture for a Future Generation Multi-Access Wireless System with Dynamic Spectrum Allocation", IST Mobile Communications Summit 2000, Galway, Ireland, 1-4 October 2000
  
  
• S. Baatz, W. Hansmann, J. Tölle
  "Security of Routing Cache Updates in Cellular IP" Proc. of the 25th Annual Conference on Local Computer Networks, LCN 2000, Tampa, Florida, November 2000

Misc.:

• Matthias Frank, Rolf Göpffarth, Wolfgang Hansmann, Ulrich Müller
  "Transmission of native IPv6 over Bluetooth (6overBT)", Internet Draft draft-hansmann-6overbt-00.txt, University of Bonn, July 2001
  
  
• Matthias Frank, Rolf Göpffarth, Wolfgang Hansmann, Peter Martini
  "Apparatus, and Associated Method, for Facilitating Communication Handovers in a Radio Communication System" Patent Cooperation Treaty (PCT) Publication, International Publication Number WO 01/20940 A1, March 2001.
  
  
• Toni Paila, Lin Xu, Wolfgang Hansmann
  "Source Controlled Multicasting", Internet Draft draft-paila-scm-00, April 2002.
  
  
• Tomas Göransson (editor), Simon Aladdin, Peter Benkö, Johan Ebenhard, Wolfgang Hansmann, Toni Paila, Fredrik Sällström, Lin Xu
  "Roaming and Handover for Inter System Mobility", IST Deliverable IST-1999-12515/DRiVE/WP2/D04.
  
  
• Andi Forsthofer, Yair Shachar, Yaron Menczel, Wolfgang Hansmann, Fredrik Sällström
  "QoS Policy Management System for DRiVE", IST Deliverable IST-1999-12515/DRiVE/WP2/D11.
  
  
• Toni Paila (editor), Simon Alladin, Johan Ebenhard, Tomas Göransson, Wolfgang Hansmann, Ola Johansson, Thorsten Lohmar, Lin Xu
  "IP Based Continous Services ans Architecture of IP Routing in Mobile Environments", IST Deliverable IST-1999-12515/DRiVE/WP2/D15.