A protocol extension to HiperLAN/2 to support single-relay networks
D. Hollos, H. Karl, in: Mobile Ad-Hoc Netzwerke, 1. Deutscher Workshop Über Mobile Ad-Hoc Netzwerke WMAN 2002, 25.-26. März 2002 in Ulm, 2002, pp. 91--107.

M-SCTP: Design and prototypical implementation of an end-to-end mobility concept
W. Xing, H. Karl, A. Wolisz, H. Müller, in: In Proc. 5th Intl. Workshop The Internet Challenge: Technology and Applications, 2002, p. 43.

Using only Proportional Jitter Scheduling at the boundary of a Differentiated Service Network: simple and efficient
T.N. Quynh, H. Karl, A. Wolisz, K. Rebensburg, in: Universal Multiservice Networks, 2002. ECUMN 2002. 2nd European Conference On, 2002, pp. 116--123.

Using akaro with omnet++
S. Sroka, H. Karl, in: 2nd International OMNeT++ Workshop, Berlin, Germany, 2002.

New scheduling algorithm for providing proportional jitter in differentiated services network
T. Ngo-Quynh, H. Karl, A. Wolisz, K. Rebensburg, Proceedings of IST Mobile Communication and Wireless Telecommunications Summit, Thessaloniki, Greece (2002).

Effects of prediction inaccuracy on the performance of channelstate-aware link layer schedulers
A. Aguiar, H. Karl, A. Wolisz, in: Proc. of 1st Intl. Conf. on Mobile and Ubiquitous Multimedia, 2002, pp. 21--33.

Relaying in Wireless Access Networks –   A Capacity and Energy-Efficiency Perspective 
H. Karl, in: Proc. Wireless World Research Forum Kickoff Meeting (WWRF), München, 2001.

Relaying ñ bad for energy,  good for capacity?
H. Karl, in: Eork-in-progress session of mobicom 2001, Rom/Italy, 2001.

IBMS 2 - Integriertes Bandbreiteneffizientes Mobiles Software-Radio System
H. Karl, T. Hentschel, in: Zukunftsperspektiven Der Mobilkommunikation, Symposium Bundesministerium Für Bildung Und Forschung, 2001.

Improving Goodput by Relaying in Transmission-Power-Limited Wireless Systems
S. Mengesha, H. Karl, A. Wolisz, in: GI Jahrestagung (1), 2001, pp. 537--544.

Analysing capacity improvements in wireless networks by relaying
H. Karl, S. Mengesha, in: Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks, 2001, pp. 339--348.

Relative jitter packet scheduling for differentiated services
T. Quynh, H. Karl, A. Wolisz, K. Rebensburg, in: Proc. 9th IFIP Conf. Perf. Modeling and Eval. of ATM &; IP Networks, 2001.

The influence of proportional jitter and delay on end to end delay in differentiated service network
T.N. Quynh, H. Karl, A. Wolisz, K. Rebensburg, in: Network Computing and Applications, 2001. NCA 2001. IEEE International Symposium On, 2001, pp. 354--357.

Predictable Network Computing using Message-driven Scheduling
H. Karl, A. Polze, M. Werner, in: Proc. the Workshop on Run-Time Systems for Parallel Programming, 2000.

Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project
H. Karl, in: High-Performance Computing and Networking, 7th International Conference, HPCN Europe 1999, Amsterdam, The Netherlands, April 12-14, 1999, Proceedings, 1999, pp. 841--850.

Coscheduling through Synchronized Scheduling Servers -- A Prototype and Experiments
H. Karl, in: Parallel and Distributed Processing, 11 IPPS/SPDP’99 Workshops Held in Conjunction with the 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing, San Juan, Puerto Rico, USA, April 12-16, 1999, Proceedings, 1999, pp. 1115--1129.

Bridging the gap between distributed shared memory and message passing
H. Karl, Concurrency - Practice and Experience (1998) 887--900.

An infrastructure for network computing with Java applets
A. Baratloo, M. Karaul, H. Karl, Z. M. Kedem, Concurrency -- Practice and Experience (1998) 1029--1041.

Experimental investigation of message latencies in the Totem protocol in the Presence of faults
H. Karl, M. Werner, L. Küttner, IEEE Proceedings -- Software (1998) 219--227.

An Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults
H. Karl, M. Werner, L. Kuttner, in: 24th EUROMICRO ’98 Conference, Engineering Systems and Software for the Next Decade, 25-27 August 1998, Vesteras, Sweden, 1998, pp. 10468--10475.