Contents:Forschungsgebiete | Industriekooperationen | Veröffentlichungen

Forschungsgebiete

  • Analytische und simulative Leistungsanalyse von UMTS Netzen
  • Untersuchung von Chancen und Risiken der Bluetooth Funktechnologie
  • Architekturansätze moderner Netzwerkmanagementsysteme
  • Erforschung der QoS Fähigkeit von IEEE 802.11 (Wireless LAN)
  • Bestimmung der Leistungsfähigkeit von heutigen Wireless LAN Hot Spots
  • Integration von WLAN und UMTS in ein heterogenes Mobilfunknetz der 4. Generation

Industriekooperationen

  • T-Mobile International GmbH, Bonn. (2000- )
  • DATEV e.G., Nürnberg, (2001- )

Veröffentlichungen

portrait
Miscellaneous Articles
K. Heck, S. Köhler.
"Volles Rohr" - 10-Gigabit-Ethernet.
iX Magazin für professionelle Informationstechnik, September 2002.
Download: [iX-Archiv] (kostenpflichtiger Download).
Dissertations

Klaus Heck
Wireless LAN performance studies in the context of 4G networks.
October 2005.
[PDF (4.98 MB)][Bibtex]

Journal Articles

Florian Wamser, Rastin Pries, Dirk Staehle, Klaus Heck, Phuoc Tran-Gia
Traffic characterization of a residential wireless Internet access.
Special Issue of the Telecommunication Systems (TS) Journal, 48: 1-2, 2010.
[Abstract][PDF (1.18 MB)][Bibtex]

Conference Articles

Steffen Gebert, Rastin Pries, Daniel Schlosser, and Klaus Heck
Internet Access Traffic Measurement and Analysis.
Traffic Monitoring and Analysis (TMA) workshop co-located with the 13th Passive and Active Measurement (PAM) conference, Vienna, Austria, March 2012.
[Abstract][PDF (1.20 MB)][Bibtex]

Rastin Pries, Florian Wamser, Dirk Staehle, Klaus Heck, Phuoc Tran-Gia
On Traffic Characteristics of a Broadband Wireless Internet Access.
Next Generation Internet Networks 2009 (NGI 2009), Aveiro, Portugal, July 2009.
[Abstract][PDF (352 kB)][Bibtex]

Rastin Pries, Florian Wamser, Dirk Staehle, Klaus Heck, Phuoc Tran-Gia
Traffic Measurement and Analysis of a Broadband Wireless Internet Access.
IEEE VTC Spring 09, Barcelona, Spain, April 2009.
[Abstract][PDF (180 kB)][Bibtex]

Rastin Pries, Klaus Heck, Phuoc Tran-Gia, Thomas Wirth
QoS Traffic in Wireless LAN Overlapping Cells.
European Wireless 2006, Athen, Greece, April 2006.
[PDF (292 kB)][Bibtex]

Rastin Pries and Klaus Heck
Simulative Study of the WLAN Handover Performance.
OPNETWORK 2005, Washington D.C., USA, August 2005.
[PDF (659 kB)][Bibtex]

Rastin Pries and Klaus Heck
Performance Comparison of Handover Mechanisms in Wireless LAN Networks.
ATNAC 2004, Sydney, Australia, December 2004.
[PDF (225 kB)][Bibtex]

Klaus Heck, Rastin Pries, Thomas Wirth
Simulative Study of the RTS/CTS Solution to the Hidden Node Problem in Infrastructure Wireless LANs.
5th World Wireless Congress (WWC 04), San Francisco, May 2004.
[PDF (870 kB)][Bibtex]

K. Heck
Wireless LAN Performance in Overlapping Cells.
VTC Fall, Orlando, FL, October 2003.
[PDF (653 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]

K. Heck
Web Traffic Performance in Wireless Lan Hot Spots.
Fourth International Conference on 3G Mobile Communication Technologies (3G 2003), London, UK, June 2003.
[PDF (256 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]

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]

Research Reports

Rastin Pries, Klaus Heck, Thomas Wirth, Phuoc Tran-Gia
Robustness Analysis of the Wireless LAN MAC Protocols with QoS Support.
Technical Report No. 346, November 2004.
[Abstract][PDF (268 kB)][Bibtex]

Rastin Pries and Klaus Heck
Performance Comparison of Handover Mechanisms in Wireless LAN Networks.
Technical Report No. 339, September 2004.
[Abstract][PDF (262 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]

Poster

Klaus Heck
Aufbau von sicheren Wireless LAN Netzen.
Forschungsarbeiten WLAN, October 2004.

Dr. Kenji Leibnitz, Dirk Staehle, Klaus Heck, and Andreas Mäder
T-Mobile UMTS.
T-Mobile, 2004.

Klaus Heck, Rastin Pries und Tom Wirth
Untersuchung der Einsatzfähigkeit von Wireless LAN mit QoS Unterstützung in Bürokomplexen.
W-LAN, 2004.