Ph.D. in Computer Science, grade summa cum laude May 2003

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1 Jörg Widmer Laboratory for Computer Communications and Applications (LCA) Phone: EPFL (Swiss Federal Institute of Technology - Lausanne) Fax: Ecublens joerg.widmer@epfl.ch CH-1015 Lausanne, Switzerland RESEARCH INTERESTS My research interests are in the areas of computer networks and multimedia applications, with particular interest in wireless communication, ad-hoc networking, congestion control, and multicast. EDUCATION Ph.D. in Computer Science, grade summa cum laude May 2003 Equation-Based Congestion Control for Unicast and Multicast Data Streams University of Mannheim, Germany M.Sc. in Computer Science and Business Administration February 2000 (Dipl. Wirtschaftsinformatiker), University of Mannheim, Germany Master s thesis at ICSI Center for Internet Research (formerly ACIRI) on Equation-Based Unicast Congestion Control HONORS Graduate student scholarship of the Studienstiftung des deutschen Volkes (German National Academic Foundation, grants competitive scholarships to approximately the top ¼ percent of the German university student population) Research fellowship of the German National Academic Foundation for studies at the International Computer Science Institute, Berkeley Best student paper award, NGC 2001 WORK EXPERIENCE Senior Researcher, Ecole Polytechnique Federale de Lausanne (EPFL) since July 2003 Research on ultra-wide band wireless networks Research on delay tolerant networking Research Associate, University of Mannheim May 2000 June 2003 Research on Internet congestion control Trainer / Consultant, Orientation in Objects, Gemmingen, Germany 1999 Taught seminars in Java programming for Sun Microsystems, IT department of major bank, etc. Research Assistant, Computer Science Department, University of Mannheim Developed real-time transfer protocol network library Enhanced video conference tool by adding on-the-fly image segmentation capabilities

2 Programmer, Script-X Film- and Multimedia Studio, Weinheim, Germany Programmed and coordinated CD-ROM based multimedia presentation projects OTHER RESEARCH EXPERIENCE Research Stay, Ecole Polytechnique Federale de Lausanne (EPFL) August September 2002 Research on congestion control for flows with variable packet sizes Short-Term Research Stay, ICSI Center for Internet Research September 2001 Specification of the TFMCC protocol as Internet draft Short-Term Research Stay, University College London August 2001 Research on congestion control for non-adaptable flows and networked computer games Research Intern, ICSI Center for Internet Research August September 2000 Worked on the design and implementation of a multicast congestion control protocol for streaming media Research Intern, DaimlerChrysler Research and Technology Center February April 2000 Designed communication architecture and conducted network simulations in a project on wireless communication and Mobile IP Research Intern, ICSI Center for Internet Research June 1999 January 2000 Research on unicast congestion control (TFRC) TEACHING EXPERIENCE Five years of experience as teaching assistant for courses on TCP/IP Networking, Computer Networks, Mobile and Wireless Networking, Mobile Communication, Multimedia Technologies, Réseaux et Mobilité, and Performance Evaluation Taught student programming courses on MP3 Streaming and Peer-to-Peer Network Design SUPERVISED MS THESES AND PROJECTS D. Dan, Improving MAC Layer Performance Through RTS/CTS Combining, ongoing M. Casado Hernandez, Improving Fairness of Medium Access in Wireless Ad-Hoc Networks, October 2004 M. Augier, Analysis of Practical Network Coding, September 2004 F. Volken, Cascading Downloads, July 2004 A. Leibscher, Recovery Strategies for Beacon-less, Position-Based Routing in Mobile Ad-Hoc Networks, March 2004 N. Giordano, Analysis of the performance of TCP-FBA in wired and wireless environments, January 2004 M. Arnold, Application-Aware Distribution Trees for Application-Level Multicast, June 2003 C. Lochert, Ad Hoc Routing for Inter-Vehicle Communication in City Scenarios, March 2003 W. Kieß, Hierarchical Location Service for Mobile Ad Hoc Networks, March 2003 M. Käseman, Beacon-less Position-Based Routing for Mobile Ad-Hoc Networks, February 2003

3 T. Lang, Multicasting in Wireless Ad Hoc Networks, September 2002 M. Transier, Dynamic Load-Balancing for Position-Based Routing Algorithms, July 2002 J. Hötzel, VBR Video Coding and Transmission using a Single-Rate Multicast Transport Protocol, April 2002 L. Grönhagen, Optimizing Access to Distributed Video Proxy Servers, September 2001 J. P. Damm, Probabilistic Congestion Control for Non-Adaptable Flows, April 2001 PUBLICATIONS Book Chapters [1] J. Widmer, M. Mauve, H. Hartenstein, and H. Füßler. Position-Based Routing in Ad-Hoc Wireless Networks. In Mohammad Ilyas (ed.): The Handbook of Ad Hoc Wireless Networks, CRC Press, December 2002 Journal Articles [1] R. Merz, J. Widmer, J. Y. Le Boudec, and B. Radunovic. A Joint PHY/MAC Architecture for Low-Radiated Power TH-UWB Wireless Ad-Hoc Networks. accepted for publication in Wireless Communications and Mobile Computing Journal, [2] W. Kieß, H. Füßler, J. Widmer, and M. Mauve. Hierarchical location service for mobile ad-hoc networks. Mobile Computing and Communications Review, October [3] J. Widmer, C. Boutremans, and J. Y. Le Boudec. End-to-end congestion control for TCPfriendly flows with variable packet size. ACM Computer Communication Review, April 2004 [4] H. Füßler, J. Widmer, M. Käsemann, M. Mauve, and H. Hartenstein. Contention-Based Forwarding for Mobile Ad-Hoc Networks. Elsevier AdHoc Networks Journal, November 2003 [5] M. Mauve, H. Hartenstein, H. Füßler, J. Widmer, and W. Effelsberg. Positionsbasiertes Routing für die Kommunikation zwischen Fahrzeugen. it + ti, October 2002 [6] M. Mauve, J. Widmer, and H. Hartenstein. A Survey on Position-Based Routing in Mobile Ad-Hoc Networks. IEEE Network, November 2001 [7] J. Widmer, R. Denda, and M. Mauve. A Survey on TCP-Friendly Congestion Control. Special Issue of the IEEE Network Magazine Control of Best Effort Traffic, May/June 2001 [8] T. Fuhrmann and J. Widmer. On the Scaling of Feedback Algorithms for Very Large Multicast Groups. Special Issue of Computer Communications on Integrating Multicast into the Internet, March 2001 Refereed Conference Contributions [1] H. Füßler, A. Leibscher, J. Widmer, M. Transier, and W. Effelsberg. Poster: Contention-based distance-vector routing for mobile ad-hoc networks. ICNP 2004, Berlin, Germany, October [2] M. Transier, H. Füßler, J. Widmer, M. Mauve, and W. Effelsberg. Scalable Position-Based Multicast for Mobile Ad-hoc Networks. BroadWim 2004, San Jose, CA, October 2004 [3] J. Y. Le Boudec, R. Merz, B. Radunovic, and J. Widmer. DCC-MAC: A Decentralized MAC Protocol for a-like UWB Mobile Ad-Hoc Networks Based on Dynamic Channel Coding. BroadNets 2004, San Jose, CA, October 2004 [4] R. Merz, J. Y. Le Boudec, J. Widmer, and B. Radunovic. A rate-adaptive MAC protocol for low-power ultra-wide band ad-hoc networks. Ad-Hoc Now 2004, Vancouver, Canada, July 2004

4 [5] H. Füßler, H. Hartenstein, J. Widmer, M. Mauve, and W. Effelsberg. Contention-based forwarding for street scenarios. WIT 2004, Hamburg, Germany, March 2004 [6] H. Füßler, J. Widmer, M. Mauve, and H. Hartenstein. A novel forwarding paradigm for position-based routing (with implicit addressing). CCW 2003, Dana Point, CA, October 2003 [7] T. Fuhrmann and J. Widmer. Extremum feedback with partial knowledge. NGC 2003, Munich, Germany, September 2003 [8] M. Mauve, H. Füßler, J. Widmer, and T. Lang. Position-Based Multicast Routing for Mobile Ad-Hoc Networks (poster). MobiHoc 2003, Annapolis, MD, June 2003 [9] J. Vogel, J. Widmer, D. Farin, M. Mauve, and W. Effelsberg. Priority-Based Distribution Trees for Application-Level Multicast. NetGames 2003, Redwood City, CA, May 2003 [10] J. Widmer, M. Mauve, and J. P. Damm. Probabilistic Congestion Control for Non-Adaptable Flows. NOSSDAV 2002, Miami, FL, May 2002 [11] M. Mauve, S. Fischer, and J. Widmer. A Generic Proxy System for Networked Computer Games. NetGames 2002, Braunschweig, April 2002 [12] J. Widmer, and T. Fuhrmann. Extremum Feedback for Very Large Multicast Groups. NGC 2001, London, United Kingdom, November 2001 [13] J. Widmer and M. Handley. Extending Equation-based Congestion Control to Multicast Applications. ACM SIGCOMM 2001, San Diego, CA, August [14] S. Floyd, M. Handley, J. Padhye, and J. Widmer. Equation-Based Congestion Control for Unicast Applications. ACM SIGCOMM 2000, Stockholm, Sweden, August 2000 RFCs and Internet Drafts [1] M. Handley, S. Floyd, J. Padhye, and J. Widmer. TCP Friendly Rate Control (TFRC): Protocol Specification. RFC 3448, Standards Track, January 2003 [2] J. Widmer and M. Handley. TCP-Friendly Multicast Congestion Control (TFMCC): Protocol Specification. Internet draft, draft-ietf-rmt-bb-tfmcc-04.txt, October 2004 Invited Talks [1] J. Widmer and H. Hartenstein. Position Based Routing in Mobile Ad Hoc Networks State of the Art and Current Challenges, I&C Seminar, EPFL, Lausanne, Switzerland, November 2002 [2] J. Widmer. Issues in TCP-Friendly Equation-Based Congestion Control, University of Saarbrücken, Germany, April 2002 [3] J. Widmer. TCP-Friendly Equation-Based Congestion Control, Ericsson Eurolab, Aachen, Germany, March 2002 [4] J. Widmer. TCP-Friendly Multicast Congestion Control, 52nd IETF Meeting, Salt Lake City, UT, December 2001 [5] J. Widmer. Overview of Mobile Network Architectures, NEC Europe Network Labs, Heidelberg, Germany, February 2001 [6] J. Widmer. Mobile Network Architecture, DaimlerChrysler Research and Technology Center, Palo Alto, CA, April 2000 [7] J. Widmer. The Network Simulator ns-2: An Overview, International Computer Science Institute, Berkeley, CA, March 2000

5 ACTIVITIES Member of ACM, ACM SIGCOMM PC member for PWC 2004, Networks 2004 Reviewer for ACM/IEEE Transactions on Networking, IEEE Transactions on Multimedia, IEEE Transactions on Mobile Computing, IEEE Network Magazine, ACM Multimedia Systems Journal, ACM Wireless Networks Journal, Computer Networks Journal, IEEE Journal on Selected Areas in Communications, IEEE Transactions on Circuits and Systems for Video Technology, ACM Computer Communications Review, EURASIP Journal on Wireless Communications and Networking, Simulation Practice and Theory (Elsevier), European Control Conference, Personal Wireless Communications, Globecom, IEEE Wireless Communications and Networking Conference Instructor for Deutsche Schülerakademie, July 2001 Seminar leader for Jugendakademie Mannheim, January 2002 LANGUAGES German (native language) English (fluent) French (fluent) REFERENCES Available upon request.