Kubisch, Martin, Holger Karl, and Adam Wolisz. “Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-Hop Networks?”https://doi.org/10.1007/978-3-540-39867-7_78__In Personal Wireless Communications, IFIP-T 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings, 841--846, 2003.https://doi.org/10.1007/978-3-540-39867-7_78 .

Köpke, Andreas, Andreas Willig, and Holger Karl. “Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels.”https://doi.org/10.1109/INFCOM.2003.1208702__In Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30 - April 3, 2003, 513--523, 2003.https://doi.org/10.1109/INFCOM.2003.1208702 .

Sroka, Steffen, and Holger Karl. “Performance Evaluation of a QoS-Aware Handover Mechanism.”https://doi.org/10.1109/ISCC.2003.1214110__In Proceedings of the Eighth IEEE Symposium on Computers and Communications (ISCC 2003), 30 June - 3 July 2003, Kiris-Kemer, Turkey, 117--124, 2003.https://doi.org/10.1109/ISCC.2003.1214110 .

Kubisch, Martin, Seble Mengesha, Daniel Hollos, Holger Karl, and Adam Wolisz. “Applying Ad-Hoc Relaying to Improve Capacity, Energy Efficiency, and Immission in Infrastructure-Based WLANs.”https://doi.org/10.1007/978-3-642-55569-5_16__In Kommunikation in Verteilten Systemen KiVS, 13. Fachtagung Kommunikation in Verteilten Systemen. KiVS 2003, 25.-28. Februar 2003, Leipzig, Eine Veranstaltung Der Informationstechnischen Gesellschaft (ITG/VDE) Unter Beteiligung Der Gesellschaft Für Informatik (GI) Ausgerichtet von Der Universität Leipzig, 195--206, 2003.https://doi.org/10.1007/978-3-642-55569-5_16 .

Festag, Andreas, Holger Karl, and Adam Wolisz. “Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks.”https://doi.org/10.1007/978-3-642-55569-5_19__In Kommunikation in Verteilten Systemen (KiVS), 13. Fachtagung Kommunikation in Verteilten Systemen. KiVS 2003, 25.-28. Februar 2003, Leipzig, Eine Veranstaltung Der Informationstechnischen Gesellschaft (ITG/VDE) Unter Beteiligung Der Gesellschaft Für Informatik (GI) Ausgerichtet von Der Universität Leipzig, 233--244, 2003.https://doi.org/10.1007/978-3-642-55569-5_19 .

Kubisch, Martin, Holger Karl, Adam Wolisz, Lizhi Charlie Zhong, and Jan M. Rabaey. “Distributed Algorithms for Transmission Power Control in Wireless Sensor Networks.”https://doi.org/10.1109/WCNC.2003.1200410__In 2003 IEEE Wireless Communications and Networking, WCNC 2003, New Orleans, LA, USA, 16-20 March, 2003, 558--563, 2003.https://doi.org/10.1109/WCNC.2003.1200410 .

Drytkiewicz, Witold, Steffen Sroka, Vlado Handziski, Andreas Köpke, and Holger Karl. “A Mobility Framework for Omnet++.” In 3rd International OMNeT++ Workshop, 2003.

Karl, Holger. “An Overview of Energy-Efficiency Techniques for Mobile Communication Systems.” Report of AG Mobikom W, 2003.

Gross, James, Jirka Klaue, Holger Karl, and Adam Wolisz. “Subcarrier Allocation for Variable Bit Rate Video Streams in Wireless OFDM Systems.” In Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th, 2481--2485, 2003.

Karl, Holger, Marc Löbbers, and Tim Nieberg. “A Data Aggregation Framework for Wireless Sensor Networks.” In Proc. Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing, 2003.