X. Fu, T. Chen, A. Festag, H. Karl, G. Schäfer, C. Fan: "Secure, QoS-enabled Mobility Support for IP-based Networks" in Proc. IP Based Cellular Network Conference (IPCN).
H. Karl, M. Löbbers, T. Nieberg: "A Data Aggregation Framework for Wireless Sensor Networks" in Proc. Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing.
H.-F. Geerdes, H. Karl: "The Potential of Relaying in Cellular Networks" in Proc. Intl. Network Optimization Conf. (INOC).
A. Neumann, X. Fu, H. Karl: "Prototype Implementation and Performance Evaluation of a QoS-Conditionalized Handoff Scheme for Mobile IPv6 Networks" in Proc. IEEE Computer Communications Workshop (CCW).
A. Aguiar, C. Hoene, J. Klaue, H. Karl, H. Miesmer, A. Wolisz: "Channel-aware Schedulers for VoIP and MPEG4 based on Channel Prediction" in Proc. 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC'03).
J. Gross, J. Klaue, H. Karl, A. Wolisz: "Subcarrier allocation for variable bit rate video streams in wireless OFDM systems" in Proc. Vehicular Technology Conference (VTC Fall).
M. Kubisch, H. Karl, A. Wolisz: "Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-hop Networks?" in Proc. Personal Wireless Communications (PWC).
M. Savoric, H. Karl, A. Wolisz: "Selected properties of a joint congestion controller for TCP connections" in Proc. Intl. Teletraffic Congress (ITC).
J. Klaue, J. Gross, H. Karl, A. Wolisz: "Semantic-Aware Link Layer Scheduling of MPEG-4 Video Streams in Wireless Systems" in Proc. Applications and Services in Wireless Networks (ASWN).
S. Sroka, H. Karl: "Performance Evaluation of a QoS-Aware Handover Mechanism" in Proc. 8th IEEE Symp. on Computers and Communications.
J. Gross, H. Karl, F. Fitzek, A. Wolisz: "Comparison of heuristic and optimal subcarrier assignment algorithms" in Proc. Intl.Conf. on Wireless Networks (ICWN).
A. Aguiar, H. Karl, H. Miesmer, A. Wolisz: "Distributed Allocation of Time Slots for Real-Time Traffic in a Wireless Multi-Hop Network" in Proc. Intl. Conf. on Wireless Networks (ICWN).
S. Mengesha, H. Karl: "Relay Routing and Scheduling for Capacity Improvement in Cellular WLANs" in Proc. Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt'03).
M. Kubisch, H. Karl, A. Wolisz, L.C. Zhong, J. Rabaey: "Distributed Algorithms for Transmission Power Control in Wireless Sensor Networks" in Proc. IEEE Wireless Communications and Networking Conference (WCNC).
A. Köpke, A. Willig, H. Karl: "Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels" in Proc. IEEE INFOCOM 2003.
M. Kubisch, S. Mengesha, D. Hollos, H. Karl, A. Wolisz: "Applying ad-hoc relaying to improve capacity, energy efficiency, and immission in infrastructure-based WLANs" in K. Irmscher, editor, Proc. Kommunikation in Verteilten Systemen (KiVS).
A. Festag, H.Karl, A. Wolisz: "Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks" in K. Irmscher, editor, Proc. Kommunikation in Verteilten Systemen (KiVS).
A. Aguiar, H. Karl, A. Wolisz: "Effects of Prediction Inaccuracy on the Performance of Channel-State-Aware Link Layer Schedulers" in Proc. 1st Intl. Conf. on Mobile and Ubiquitous Multimedia 2002.
T. Ngo Quynh, H. Karl, A. Wolisz, K. Rebensburg: "New Scheduling Algorithm for Providing Proportional Jitter in Differentiated Service Network" in Proc. IST Mobile & Wireless Telecommunications Summit 2002.
X. Fu, H. Karl, C. Kappler: "QoS-Conditionalized Handoff for Mobile IPv6" in Proc. 2nd IFIP-TC6 Networking Conf. (Networking2002), Volume 2345 of Lecture Notes in Computer Sciece (LNCS) 2002.
T. Ngo Quynh, H. Karl, A. Wolisz, K. Rebensburg: "Using only Proportional Jitter Scheduling at the boundary of a Differentiated Service Network: simple and efficient" in Proc. 2nd European Conf. on Universal Multiservice Networks (ECUMN) 2002.
D. Hollos, H. Karl: "A protocol extension to HiperLAN/2 to support single-relay networks" in Proc. 1st German Workshop on Ad-Hoc Networks 2002.
H. Karl, S. Mengesha: "Analysing Capacity Improvements in Wireless Networks by Relaying" in Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks 2001.
T. Ngo-Quynh, H. Karl, A. Wolisz, K. Rebensburg: "The Influence of Proportional Jitter and Delay on End to End Delay in Differentiated Service Network" in Proc. IEEE Intl. Symp. on Network Computing and Applications NCA 2001.
S. Mengesha, H. Karl, A. Wolisz: "Improving Goodput by Relaying in Transmission-Power-Limited Wireless Systems" in Proc. of Informatik 2001.
T. Ngo-Quynh, H. Karl, A. Wolisz, K. Rebensburg: "Relative Jitter Packet Scheduling for Differentiated Services" in Proc. 9th IFIP Conf. on Performance Modelling and Evaluation of ATM & IP Networks 2001.
H. Karl, G. Schäfer: "Location Privacy for Mobile Internet Access. Presentation" in Proc. of IP Based Cellular Network Conf. (IPCN 2001).
H. Karl: "Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project" in Proc. the 7th Intl. Conf. on High-Performance Computing and Networking Europe 1999.
H. Karl, M. Werner, L. Küttner: "An Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults" in Proc. Euromicro '98.
H. Karl, M. Werner: "An Optimal Checkpointing Interval for Real-Time Systems" in Proc. the Intl. Conf. on Parallel and Distributed Processing and Applications 1998.
A. Baratloo, M. Karaul., H. Karl, Z. Kedem: "An Infrastructure for Network Computing with Java Applets" in Proc. of ACM Workshop on Java for High-Performance Network Computing, 1998.
H. Karl: "Bridging the Gap between Distributed Shared Memory and Message Passing" in ACM Workshop on Java for High-Performance Network Computing, 1998.
H. Karl, A. Polze, M. Werner: "Predictable Network Computing using Message-driven Scheduling" in Proc. the Workshop on Run-Time Systems for Parallel Programming, Tech. Report of the Vrije Universitaet Amsterdam, 1997.
B. Dreier, A. Huber, H. Karl, T. Ungerer, M. Zahn: "ReGTime--Rent Gigaflops someTime" in Proc. the Trends in Distributed Systems Workshop, 1996.