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Contents: Research | Publications | Links
Publications
| Journal Articles |
| Tobias Hoßfeld, Kenji Leibnitz and Marie-Ange Remiche Modeling of an Online TV Recording System. SIGMETRICS Performance Evaluation Review, Volume 35, Number 2, 2007. [PDF (158 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Tsipotis QoS of Internet Access with GPRS. Wireless Networks, Vol.9(3), p. 213-222, 2003. [PDF (436 kB)] [Bibtex] |
| P. Tran-Gia, D. Staehle, K. Leibnitz Source Traffic Modeling of Wireless Applications. International Journal of Electronics and Communications (AEÜ), 55, 2001. [PDF (467 kB)] [Bibtex] |
| P. Tran-Gia, K. Leibnitz, K. Tutschku Teletraffic Issues in Mobile Communication Network Planning. Telecommunication Systems, 15, 2000. [PDF (268 kB)] [Bibtex] |
| Conference Articles |
| Tobias Hoßfeld, Kenji Leibnitz, Marie-Ange Remiche Exact Sojourn Time Distribution in an Online IPTV Recording Service. 15th International Conference on Analytical and Stochastic Modelling Techniques and Applications (ASMTA 2008), Nicosia, Cyprus, June 2008. [PDF (223 kB)] [Bibtex] |
| Tobias Hoßfeld and Kenji Leibnitz A Qualitative Measurement Survey of Popular Internet-based IPTV Systems. Second International Conference on Communications and Electronics (HUT-ICCE 2008), Hoi An, Vietnam, June 2008. [PDF (159 kB)] [Bibtex] |
| Tobias Hoßfeld and Kenji Leibnitz Performance Evaluation of an IPTV Recording Service. Invited Paper at the Jointly-organized Symposium of the Institute of Intelligent Information and Communications Technology (IICT) at Konan University and the ORSJ (Operations Research Society of Japan), Kobe, Japan, December 2007. [PDF (500 kB)] [Bibtex] |
| Tobias Hoßfeld and Kenji Leibnitz Modeling and Evaluation of an Online TV Recording Service. Ninth annual workshop on mathematical performance modeling and analysis MAMA2007, in conjunction with ACM SIGMETRICS '07 and FCRC '07, San Diego, CA, USA, June 2007. [PDF (233 kB)] [Bibtex] |
| Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, Masayuki Murata Peer-to-Peer vs. Client/Server: Reliability and Efficiency of a Content Distribution Service. 20th International Teletraffic Congress (ITC20), Ottawa, Canada, June 2007. [PDF (218 kB)] [Bibtex] |
| Andreas Binzenhöfer and Kenji Leibnitz Estimating Churn in Structured P2P Networks. 20th International Teletraffic Congress (ITC20), Ottawa, Canada, June 2007. [PDF (1.43 MB)] [Bibtex] |
| Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, Masayuki Murata On Pollution in eDonkey-like Peer-to-Peer File-Sharing Networks. 13th GI/ITG Conference on Measurement, Modeling, and Evaluation of Computer and Communication Systems, MMB2006, Nürnberg, Germany, March 2006. [PDF (520 kB)] [Bibtex] |
| Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, Masayuki Murata Modeling of Epidemic Diffusion in Peer-to-Peer File-Sharing Networks. The Second International Workshop on Biologically Inspired Approaches to Advanced Information Technology, Bio-ADIT 2006, LNCS 3853, Senri Life Science Center, Osaka, Japan, January 2006. [PDF (508 kB)] [Bibtex] |
| Tobias Hoßfeld, Kenji Leibnitz, Rastin Pries, Kurt Tutschku, Phuoc Tran-Gia, Krzysztof Pawlikowski Information Diffusion in eDonkey Filesharing Networks. ATNAC 2004, Sydney, Australia, December 2004. [PDF (314 kB)] [Bibtex] |
| K. Heck, D. Staehle, K. Leibnitz Macro Diversity Gain in UMTS Networks with Clustered User Distributions. International Teletraffic Congress (ITC-18), Berlin, Germany, August 2003. [PDF (563 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck, P. Tran-Gia, B. Schröder, A. Weller Analytic Approximation of the Effective Bandwidth for Best-Effort Services in UMTS Networks. Proc. of IEEE Vehicular Technology Conference (VTC-03 Spring), Jeju, South Korea, April 2003. [PDF (192 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck Fast Prediction of the Coverage Area in UMTS Networks. Proc. of IEEE GLOBECOM, Taipei, Taiwan, November 2002. [PDF (337 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck Effects of Soft Handover on the UMTS Downlink Performance. Proc. of IEEE Vehicular Technology Conference (VTC-02 Fall), Vancouver, Canada, September 2002. [PDF (258 kB)] [Bibtex] |
| K. Heck, D. Staehle, K. Leibnitz Diversity Effects on the Soft Handover Gain in UMTS networks. Proc. of IEEE Vehicular Technology Conference (VTC-02 Fall), Vancouver, Canada, September 2002. [PDF (295 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck, B. Schröder, A. Weller, P. Tran-Gia Approximating the Othercell Interference Distribution in Inhomogeneous UMTS Networks. Proc. of the IEEE Vehicular Technology Conference (VTC-02 Spring), Birmingham, AL, May 2002. [PDF (485 kB)] [Bibtex] |
| K. Leibnitz, A. Krauss Performance Evaluation of Interference and Cell Loading in a UMTS Network. Proc. of the 17th International Teletraffic Congress (ITC-17), Salvador de Bahia, Brazil, December 2001. [PDF (903 kB)] [Bibtex] |
| B. Schröder, B. Liesenfeld, A. Weller, K. Leibnitz, D. Staehle, P. Tran-Gia An analytical approach for determining coverage probabilities in large UMTS networks. Proc. of the IEEE Vehicular Technology Conference (VTC-01 Fall), Atlantic City, NJ, October 2001. [PDF (196 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck, B. Schröder, A. Weller, P. Tran-Gia Analytical Characterization of the Soft Handover Gain in UMTS. Proc. of the IEEE Vehicular Technology Conference (VTC-01 Fall), Atlantic City, NJ, October 2001. [PDF (253 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Tsipotis QoS of Internet Access with GPRS. ACM International Workshop on Modeling Analysis and Simulation of Wireless and Mobile systems (MSWiM 2001), Rome, July 2001. [PDF (651 kB)] [Bibtex] |
| K. Leibnitz Impacts of Power Control on Outage Probabilities in CDMA Wireless Networks. Proc. of IFIP 5th International Conference on Broadband Communications, Hong Kong, November 1999. [PDF (81 kB)] [Bibtex] |
| U. Ehrenberger, K. Leibnitz Impact of clustered traffic distributions in CDMA radio network planning. 16th International Teletraffic Congress, Edinburgh, UK, June 1999. [PDF (112 kB)] [Bibtex] |
| M.-A. Remiche, K. Leibnitz Adaptive soft-handoff thresholds for CDMA systems with spatial traffic. 16th International Teletraffic Congress, Edinburgh, UK, June 1999. [PDF (110 kB)] [Bibtex] |
| P. Tran-Gia, K. Leibnitz Teletraffic models and planning in wireless IP networks. IEEE Wireless Communications and Networking Conference, New Orleans, USA, 1999. [PDF (87 kB)] [Bibtex] |
| Leibnitz K., Tran-Gia P., Miller J.E. Analysis of the Dynamics of CDMA Reverse Link Power Control. IEEE GLOBECOM, Sydney, Australia, November 1998. [PDF (123 kB)] [Bibtex] |
| Tran-Gia P., Jain N., Leibnitz K. Code Division Multiple Access wireless network planning considering clustered spatial customer traffic. 8th International Telecommunication Network Planning Symposium, Sorrento, Italy, October 1998. [PDF (137 kB)] [Bibtex] |
| K. Leibnitz, P. Tran-Gia, J. E. Miller Analysis of the dynamics of CDMA reverse link power control. IEEE GLOBECOM 98, Sydney, Australia, 1998. [PDF (123 kB)] [Bibtex] |
| P. Tran-Gia, N. Jain, K. Leibnitz Code division multiple access wireless network planning considering clustered spatial customer traffic. 8th International Telecommunication Network Planning Symposium, Sorrento, Italy, 1998. [PDF (137 kB)] [Bibtex] |
| P. Tran-Gia, K. Leibnitz, K. Tutschku Teletraffic issues in mobile communication network planning. 11th ITC Specialist Seminar, Yokohama, Japan, 1998. [PDF (325 kB)] [Bibtex] |
| K. Tutschku, K. Leibnitz, P. Tran-Gia ICEPT - an integrated cellular network planning tool. IEEE/VTS 47th Vehicular Technology Conference, Phoenix, AZ, USA, 1997. [PDF (1.03 MB)] [Bibtex] |
| K. Tutschku und K. Leibnitz Fast Ray-Tracing for Field Strength Prediction in Cellular Mobile Network Planning. 46th IEEE/VTS Conference on Vehicular Technology 1996, Atlanta, USA, April 1996. [PDF (235 kB)] [Bibtex] |
| T. Fritsch, K. Tutschku und K. Leibnitz Field Strength Prediction by Ray-Tracing for Adaptive Base Station Positioning in Mobile Communication Networks. 2. ITG Fachtagung Mobile Kommunikation, Neu-Ulm ,Germany, 1995. [PDF (332 kB)] [Bibtex] |
| Research Reports |
| Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, Masayuki Murata Peer-to-Peer vs. Client/Server: Reliability and Efficiency of a Content Distribution Service. Technical Report No. 422, May 2007. [Abstract] [PDF (211 kB)] [Bibtex] |
| Andreas Binzenhöfer and Kenji Leibnitz Estimating Churn in Structured P2P Networks. Technical Report No. 404, April 2007. [Abstract] [PDF (637 kB)] [Bibtex] |
| Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, Masayuki Murata Impact of Interferers on the Epidemic Diffusion in Peer-to-Peer File-Sharing Networks. Technical Report No. 366, August 2005. [Abstract] [PDF (440 kB)] [Bibtex] |
| Tobias Hoßfeld, Kenji Leibnitz, Rastin Pries, Kurt Tutschku, Phuoc Tran-Gia, Krzysztof Pawlikowski Information Diffusion in eDonkey Filesharing Networks. Technical Report No. 341, September 2004. [Abstract] [PDF (368 kB)] [Bibtex] |
| K. Heck, D. Staehle, K. Leibnitz Diversity Effects on the Soft Handover Gain in UMTS networks. Technical Report No. 295, April 2002. [Abstract] [PDF (298 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck, B. Schröder, A. Weller, P. Tran-Gia An Approximation of Othercell Interference Distributions for UMTS Systems using Fixed-Point Equations. Technical Report No. 292, January 2002. [Abstract] [PDF (197 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Heck, B. Schröder, A. Weller, P. Tran-Gia Analytical Characterization of the Soft Handover Gain in UMTS. Technical Report No. 284, October 2001. [Abstract] [PDF (412 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, K. Tsipotis QoS of Internet Access with GPRS. Technical Report No. 283, October 2001. [Abstract] [PDF (1.42 MB)] [Bibtex] |
| K. Leibnitz, A. Krauß Performance Evaluation of Interference and Cell Loading in UMTS Networks. Technical Report No. 268, February 2001. [Abstract] [PDF (807 kB)] [Bibtex] |
| D. Staehle, K. Leibnitz, P. Tran-Gia Source Traffic Modeling of Wireless Applications. Technical Report No. 261, June 2000. [Abstract] [PDF (295 kB)] [Bibtex] |
| U. Ehrenberger, K. Leibnitz Impact of Clustered Traffic Distributions in CDMA Radio Network Planning. Technical Report No. 223, March 1999. [Abstract] [PDF (188 kB)] [Bibtex] |
| M.-A. Remiche, K. Leibnitz Adaptive Soft-Handoff Thresholds for CDMA Systems with Spatial Traffic. Technical Report No. 212, October 1998. [Abstract] [PDF (121 kB)] [Bibtex] |
| W. Jodl, M. Heuler, U. Rothaug, K. Leibnitz Einsatz von topologieerhaltenden neuronalen Netzen zur Interpretation von Leiterplattendaten. Technical Report No. 206, July 1998. [Abstract] [PDF (296 kB)] [Bibtex] |
| K. Leibnitz, P. Tran-Gia, J. E. Miller Analysis of the Dynamics of CDMA Reverse Link Power Control. Technical Report No. 193, February 1998. [Abstract] [PDF (283 kB)] [Bibtex] |
| P. Tran-Gia, N. Jain, K. Leibnitz Code Division Multiple Access wireless network planning considering clustered spatial customer traffic. Technical Report No. 192, February 1998. [Abstract] [PDF (290 kB)] [Bibtex] |
| K. Leibnitz, K. Tutschku und U. Rotaug Künstliche Neuronale Netze für die Wegeoptimierung in ATG Leiterplattentestern. Technical Report No. 146, July 1996. [Abstract] [PDF (485 kB)] [Bibtex] |
| Dissertations |
| Kenji Leibnitz Analytical Modeling of Power Control and its Impact on Wideband CDMA Capacity and Planning. February 2003. [Bibtex] |
