@bookKarl_Willig_2005, title=Protocols and architectures for wireless sensor networks, author=Karl, Holger and Willig, Andreas, year=2005 

@articleEbert_Hollos_Karl_Löbbers_2005, title=Does Multi-Hop Communication Reduce Electromagnetic Exposure?, DOI=10.1093/comjnl/bxh062, number=1, journal=Comput. J., author=Ebert, Jean-Pierre and Hollos, Daniel and Karl, Holger and Löbbers, Marc, year=2005, pages=72--83 

@articleSavoric_Karl_Schläger_Poschwatta_Wolisz_2005, title=Analysis and performance evaluation of the EFCM common congestion controller for TCP connections, DOI=10.1016/j.comnet.2005.01.012, number=2, journal=Computer Networks, author=Savoric, Michael and Karl, Holger and Schläger, Morten and Poschwatta, Tobias and Wolisz, Adam, year=2005, pages=269--294 

@articleGross_Valentin_Karl_Wolisz_2005, title=A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system, DOI=10.1002/ett.1030, number=1, journal=European Transactions on Telecommunications, author=Gross, James and Valentin, Stefan and Karl, Holger and Wolisz, Adam, year=2005, pages=37--49 

@articleKarl_Lentsch_Ritter_2005, title=Drahtlose Sensornetze, DOI=10.1515/PIKO.2005.66, number=2, journal=Praxis der Informationsverarbeitung und Kommunikation, author=Karl, Holger and Lentsch, Thomas and Ritter, Hartmut, year=2005, pages=66--67 

@articleWillig_Karl_2005, title=Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions, DOI=10.1515/PIKO.2005.86, number=2, journal=Praxis der Informationsverarbeitung und Kommunikation, author=Willig, Andreas and Karl, Holger, year=2005, pages=86--92 

@inproceedingsKopke_Karl_Lobbers_2005, title=Using energy where it counts: protecting important messages in the link layer, DOI=10.1109/EWSN.2005.1462015, booktitle=Wireless Sensor Networks, Second European Workshop, EWSN 2005, Istanbul, Turkey, January 31 - February 2, 2005, Proceedings, author=Kopke, Andreas and Karl, Holger and Lobbers, Marc, year=2005, pages=226--235 

@inbookKarl_2005, title=Ad Hoc Networks, booktitle=The Industrial Information Technology Handbook, author=Karl, Holger, year=2005, pages=1--16 

@inproceedingsValentin_Gross_Karl_Wolisz_2005, title=Adaptive scheduling for heterogeneous traffic flows in cellular wireless OFDM-FDMA systems, booktitle=10th IFIP International Conference on Personal Wireless Communications/PWC’05, Comar, France, 2005, author=Valentin, Stefan and Gross, James and Karl, Holger and Wolisz, Adam, year=2005 

@articleGross_Valentin_Karl_Wolisz_2005, title=A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system, volume=16, DOI=10.1002/ett.1030, number=1, journal=European Transactions on Telecommunications, publisher=Wiley-Blackwell, author=Gross, James and Valentin, Stefan and Karl, Holger and Wolisz, Adam, year=2005, pages=37–49 

@inproceedingsKöpke_Karl_Wolisz_2004, title=Consensus in WSN – Identifying critical protocol mechanisms, booktitle=GI / ITG Fachgespräche Drahtlose Sensornetzwerke, author=Köpke, A. and Karl, Holger and Wolisz, A. , year=2004 

@inproceedingsAguiar_Karl_Wolisz_2004, title=Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy, booktitle=Proceedings of European Wireless 2004, Barcelona / Spain , author=Aguiar, Ana and Karl, Holger and Wolisz, Adam, year=2004 

@articleGross_Klaue_Karl_Wolisz_2004, title=Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming, DOI=10.1016/j.comcom.2004.01.010, number=11, journal=Computer Communications, author=Gross, James and Klaue, Jirka and Karl, Holger and Wolisz, Adam, year=2004, pages=1044--1055 

@articleNiebert_Schieder_Abramowicz_Malmgren_Sachs_Horn_Prehofer_Karl_2004, title=Ambient networks: An architecture for communication networks beyond 3G, DOI=10.1109/MWC.2004.1295733, number=2, journal=IEEE Wireless Communications, author=Niebert, Norbert and Schieder, Andreas and Abramowicz, Henrik and Malmgren, G. and Sachs, Joachim and Horn, Uwe and Prehofer, Christian and Karl, Holger, year=2004, pages=14--22 

@inproceedingsHandziski_Köpke_Karl_Frank_Drytkiewicz_2004, title=Improving the Energy Efficiency of Directed Diffusion Using Passive Clustering, DOI=10.1007/978-3-540-24606-0_12, booktitle=Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings, author=Handziski, Vlado and Köpke, Andreas and Karl, Holger and Frank, Christian and Drytkiewicz, Witold, year=2004, pages=172--187 

@inproceedingsTyppö_Eisl_Höller_Agüero_Karl_2004, title=Research Challenges in Mobility and Moving Networks: An Ambient Networks View, DOI=10.1007/0-387-24043-8_15, booktitle=Broadband Satellite Comunication Systems and the Challenges of Mobility - IFIP T Workshops on Broadband Satellite Communication Systems and Challenges of Mobility, World Computer Congress, August 22-27, 2004, Toulouse, France, author=Typpö, Ville and Eisl, Jochen and Höller, Jan and Agüero, Ramon and Karl, Holger, year=2004, pages=145--155 

@inproceedingsFrank_Karl_2004, title=Consistency challenges of service discovery in mobile ad hoc networks, DOI=10.1145/1023663.1023684, booktitle=Proceedings of the 7th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2004, Venice, Italy, October 4-6, 2004, author=Frank, Christian and Karl, Holger, year=2004, pages=105--114 

@inproceedingsMarie Feeney_Hollos_Kubisch_Mengesha_Karl_2004, title=A Geometric Derivation of the Probability of Finding a Relay in Multi-rate Networks, DOI=10.1007/978-3-540-24693-0_112, booktitle=NETWORKING 2004, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication, Third International IFIP-T Networking Conference, Athens, Greece, May 9-14, 2004, Proceedings, author=Marie Feeney, Laura and Hollos, Daniel and Kubisch, Martin and Mengesha, Seble and Karl, Holger, year=2004, pages=1312--1317 

@inproceedingsHollos_Karl_Wolisz_2004, title=Regionalizing global optimization algorithms to improve the operation of large ad hoc networks, DOI=10.1109/WCNC.2004.1311292, booktitle=2004 IEEE Wireless Communications and Networking Conference, WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004, author=Hollos, Daniel and Karl, Holger and Wolisz, Adam, year=2004, pages=819--824 

@inproceedingsRaguin_Kubisch_Karl_Wolisz_2004, title=Queue-driven cut-through medium access in wireless ad hoc networks, DOI=10.1109/WCNC.2004.1311845, booktitle=2004 IEEE Wireless Communications and Networking Conference , WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004, author=Raguin, David and Kubisch, Martin and Karl, Holger and Wolisz, Adam, year=2004, pages=1909--1914 

@inbookKarl_2004, title=Data Transmission in Mobile Communication Systems, booktitle=Location-Based Services, author=Karl, Holger, year=2004, pages=207--244 

@bookKarl_Willig_Wolisz_2004, series=Lecture Notes in Computer Science, title=Wireless Sensor Networks, DOI=10.1007/b94854, publisher=First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings, year=2004, collection=Lecture Notes in Computer Science 

@inproceedingsNiebert_Flinck_Hancock_Karl_Prehofer_2004, title=Ambient Networks--Research for Communication Networks Beyond 3G, booktitle=13th IST Mobile and Wireless Communications-Summit 2004, author=Niebert, Norbert and Flinck, Hannu and Hancock, Robert and Karl, Holger and Prehofer, Christian, year=2004 

@inproceedingsGross_Paoluzzi_Karl_Wolisz_2004, title=Throughput study for a dynamic OFDM-FDMA system with inband signaling, booktitle=Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th, author=Gross, James and Paoluzzi, Irene and Karl, Holger and Wolisz, Adam, year=2004, pages=1787--1791 

@articleKlimin_Enkelmann_Karl_Wolisz_2004, title=A hybrid approach for location-based service discovery in vehicular ad hoc networks, journal=Proc. of WIT, author=Klimin, Nikolay and Enkelmann, Wilfried and Karl, Holger and Wolisz, Adam, year=2004 

@inproceedingsCarlson_Karl_Wolisz_Prehofer_2004, title=Distributed allocation of time slots for real-time traffic in a wireless multi-hop network, booktitle=Proc. European Wireless, author=Carlson, Emma and Karl, Holger and Wolisz, Adam and Prehofer, Christian, year=2004 

@articleMengesha_Karl_Wolisz_2004, title=Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling, journal=Proc. of MedHocNet 2004, author=Mengesha, Seble and Karl, Holger and Wolisz, Adam, year=2004 

@inproceedingsCarlson_Bettstetter_Karl_Prehofer_Wolisz_2004, title=Distributed maintenance of resource reservation paths in multihop 802.11 networks, booktitle=Vehicular Technology Conference, 2004. V-Fall. 2004 IEEE 60th, author=Carlson, Emma and Bettstetter, Christian and Karl, Holger and Prehofer, Christian and Wolisz, Adam, year=2004, pages=2994--2998 

@inproceedingsGross_Karl_Wolisz_2004, title=On the effect of inband signaling and realistic channel knowledge on dynamic OFDM-FDMA systems, booktitle=European Wireless 2004, author=Gross, James and Karl, Holger and Wolisz, Adam, year=2004 

@articleKubisch_Karl_Wolisz_2004, title=A MAC protocol for wireless sensor networks with multiple selectable, fixed-orientation antennas, DOI=/10.1.1.3.3185, number=3–4, journal=Frequenz, author=Kubisch, Martin and Karl, Holger and Wolisz, Adam, year=2004, pages=92--96 

@inproceedingsGross_Karl_Wolisz_2004, title=Throughput optimization of dynamic OFDM-FDMA systems with inband signaling, booktitle=2nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks 2004 (WiOpt 2004), author=Gross, James and Karl, Holger and Wolisz, Adam, year=2004 

@book Handziski_Köpke_Karl_Wolisz_2003, place=Berlin, title=A common wireless sensor network architecture?, author= Handziski, Vlado and Köpke, Andreas and Karl, Holger and Wolisz, Adam, year=2003 

@inproceedingsDrytkiewicz_Sroka_Handzisk_Köpke_Karl_2003, title=A Mobility Frame work for OMNeT++, booktitle=Proc. of 3rd International OMNeT++ Workshop at Budapest University of Technology and Economics, author=Drytkiewicz, Witold  and Sroka, Steffen and Handzisk, Vlado  and Köpke, Andreas and Karl, Holger, year=2003 

@inproceedingsFu_Chen_Festag_Karl_Schäfer_Fan_2003, title=Secure, QoS-Enabled Mobility Support for IP-based Networks, booktitle=Proceedings IP Based Cellular Network Conference IPCN, Paris / France, Dezember , author=Fu, X. and Chen, T. and Festag, A. and Karl, Holger and Schäfer, G. and Fan, C., year=2003 

@inproceedingsGeerdes_Karl_2003, title=The Potential of Relaying in Cellular Networks , booktitle=Proceedings of INOC 2003, Evry/Paris, author=Geerdes, Hans-Florian and Karl, Holger, year=2003 

@inproceedingsAguiar_Hoene_Klaue_Karl_Miesmer_Wolisz_2003, title=Channel-aware Schedulers for VoIP and MPE based on Channel Prediction, booktitle=Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC’03), author=Aguiar, Ana and Hoene, Christian and Klaue, Jirka and Karl, Holger and Miesmer, Horst and Wolisz, Adam, year=2003 

@articleSavoric_Karl_Wolisz_2003, title=The TCP control block interdependence in fixed networks - new performance results, DOI=10.1016/S0140-3664(02)00155-X, number=4, journal=Computer Communications, author=Savoric, Michael and Karl, Holger and Wolisz, Adam, year=2003, pages=366--375 

@articleZirwas_Habetha_Karl_2003, title=Ziel-orientierter Entwurf von Multi-hop Medienzugriffsprotokollen, DOI=10.1515/PIKO.2003.184, number=4, journal=Praxis der Informationsverarbeitung und Kommunikation, author=Zirwas, Wolfgang and Habetha, J. and Karl, Holger, year=2003, pages=184--189 

@inproceedingsAguiar_Karl_Wolisz_Miesmer_2003, title=A Framework for Evaluating Effects of Channel Prediction Inaccuracy on the Performance of Channel Adaptive Techniques, booktitle=Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, USA, author=Aguiar, Ana and Karl, Holger and Wolisz, Adam and Miesmer, Horst, year=2003, pages=3--9 

@inproceedingsGross_Karl_H. P. Fitzek_Wolisz_2003, title=Comparison of Heuristic and Optimal Subcarrier Assignment Algorithms, booktitle=Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, USA, author=Gross, James and Karl, Holger and H. P. Fitzek, Frank and Wolisz, Adam, year=2003, pages=249--255 

@inproceedingsJ. M. Havinga_Etalle_Karl_Petrioli_Zorzi_Kip_Lentsch_2003, title=EYES - Energy Efficient Sensor Networks, DOI=10.1007/978-3-540-39867-7_20, booktitle=Personal Wireless Communications, IFIP-T 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings, author=J. M. Havinga, Paul and Etalle, Sandro and Karl, Holger and Petrioli, Chiara and Zorzi, Michele and Kip, Harry and Lentsch, Thomas, year=2003, pages=198--201 

@inproceedingsKubisch_Karl_Wolisz_2003, title=Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-hop Networks?, DOI=10.1007/978-3-540-39867-7_78, booktitle=Personal Wireless Communications, IFIP-T 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings, author=Kubisch, Martin and Karl, Holger and Wolisz, Adam, year=2003, pages=841--846 

@inproceedingsKöpke_Willig_Karl_2003, title=Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels, DOI=10.1109/INFCOM.2003.1208702, booktitle=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, author=Köpke, Andreas and Willig, Andreas and Karl, Holger, year=2003, pages=513--523 

@inproceedingsSroka_Karl_2003, title=Performance Evaluation of a QoS-Aware Handover Mechanism, DOI=10.1109/ISCC.2003.1214110, booktitle=Proceedings of the Eighth IEEE Symposium on Computers and Communications (ISCC 2003), 30 June - 3 July 2003, Kiris-Kemer, Turkey, author=Sroka, Steffen and Karl, Holger, year=2003, pages=117--124 

@inproceedingsKubisch_Mengesha_Hollos_Karl_Wolisz_2003, title=Applying ad-hoc relaying to improve capacity, energy efficiency, and immission in infrastructure-based WLANs, DOI=10.1007/978-3-642-55569-5_16, booktitle=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, author=Kubisch, Martin and Mengesha, Seble and Hollos, Daniel and Karl, Holger and Wolisz, Adam, year=2003, pages=195--206 

@inproceedingsFestag_Karl_Wolisz_2003, title=Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks, DOI=10.1007/978-3-642-55569-5_19, booktitle=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, author=Festag, Andreas and Karl, Holger and Wolisz, Adam, year=2003, pages=233--244 

@inproceedingsKubisch_Karl_Wolisz_Charlie Zhong_M. Rabaey_2003, title=Distributed algorithms for transmission power control in wireless sensor networks, DOI=10.1109/WCNC.2003.1200410, booktitle=2003 IEEE Wireless Communications and Networking, WCNC 2003, New Orleans, LA, USA, 16-20 March, 2003, author=Kubisch, Martin and Karl, Holger and Wolisz, Adam and Charlie Zhong, Lizhi and M. Rabaey, Jan, year=2003, pages=558--563 

@inproceedingsDrytkiewicz_Sroka_Handziski_Köpke_Karl_2003, title=A mobility framework for omnet++, booktitle=3rd International OMNeT++ workshop, author=Drytkiewicz, Witold and Sroka, Steffen and Handziski, Vlado and Köpke, Andreas and Karl, Holger, year=2003 

@articleKarl_2003, title=An overview of energy-efficiency techniques for mobile communication systems, journal=Report of AG Mobikom W, author=Karl, Holger, year=2003 

@inproceedingsGross_Klaue_Karl_Wolisz_2003, title=Subcarrier allocation for variable bit rate video streams in wireless OFDM systems, booktitle=Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th, author=Gross, James and Klaue, Jirka and Karl, Holger and Wolisz, Adam, year=2003, pages=2481--2485