Klimin N, Enkelmann W, Karl H, Wolisz A. A hybrid approach for location-based service discovery in vehicular ad hoc networks. Proc of WIT. 2004.

Mengesha S, Karl H, Wolisz A. Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling. Proc of MedHocNet 2004. 2004.

Kubisch M, Karl H, Wolisz A. A MAC protocol for wireless sensor networks with multiple selectable, fixed-orientation antennas. Frequenz. 2004;(3-4):92--96. doi:/10.1.1.3.3185

Savoric M, Karl H, Wolisz A. The TCP control block interdependence in fixed networks - new performance results. Computer Communications. 2003;(4):366--375. doi:10.1016/S0140-3664(02)00155-X

Zirwas W, Habetha J, Karl H. Ziel-orientierter Entwurf von Multi-hop Medienzugriffsprotokollen. Praxis der Informationsverarbeitung und Kommunikation. 2003;(4):184--189. doi:10.1515/PIKO.2003.184

Karl H. An overview of energy-efficiency techniques for mobile communication systems. Report of AG Mobikom W. 2003.

Ngo-Quynh T, Karl H, Wolisz A, Rebensburg K. New scheduling algorithm for providing proportional jitter in differentiated services network. Proceedings of IST mobile communication and wireless telecommunications summit, Thessaloniki, Greece. 2002.

Karl H. Bridging the gap between distributed shared memory and message passing. Concurrency - Practice and Experience. 1998;(11-13):887--900. doi:10.1002/(SICI)1096-9128(199809/11)10:11/13&#38;#60;887::AID-CPE416&#38;#62;3.0.CO;2-0

Baratloo A, Karaul M, Karl H, M. Kedem Z. An infrastructure for network computing with Java applets. Concurrency -- Practice and Experience. 1998;(11-13):1029--1041. doi:10.1002/(SICI)1096-9128(199809/11)10:11/13&#38;#60;1029::AID-CPE412&#38;#62;3.0.CO;2-U

Karl H, Werner M, Küttner L. Experimental investigation of message latencies in the Totem protocol in the Presence of faults. IEEE Proceedings -- Software. 1998;(6):219--227. doi:10.1049/ip-sen:19982443

Baratloo A, Karaul M, Karl H, Kedem ZM. KnittingFactory: An Infrastructure for Distributed Web Applications. Technical Report. 1997.