@inbookBiermann_Schwabe_Karl_2009, place=Berlin, Heidelberg, title=Creating Butterflies in the Core – A Network Coding Extension for MPLS/RSVP-TE, DOI=10.1007/978-3-642-01399-7_69, booktitle=NETWORKING 2009, publisher=Springer Berlin Heidelberg, author=Biermann, Thorsten and Schwabe, Arne and Karl, Holger, year=2009, pages=883–894 

@inproceedingsLichte_Weide_2009, title=Modeling obstacles in INET/Mobility framework: motivation, integration, and performance, DOI=10.4108/icst.simutools2009.5680, booktitle=Proceedings of the Second International ICST Conference on Simulation Tools and Techniques, publisher=ICST, author=Lichte, Hermann S. and Weide, Jannis, year=2009 

@inproceedingsAhlgren_Vercellone_D’Ambrosio_Marchisio_Marsh_Dannewitz_Ohlman_Pentikousis_Strandberg_Rembarz_2009, title=Design considerations for a network of information, DOI=10.1145/1544012.1544078, booktitle=Proceedings of the 2008 ACM CoNEXT Conference on - CONEXT ’08, publisher=ACM Press, author=Ahlgren, Bengt and Vercellone, Vinicio and D’Ambrosio, Matteo and Marchisio, Marco and Marsh, Ian and Dannewitz, Christian and Ohlman, Börje and Pentikousis, Kostas and Strandberg, Ove and Rembarz, René, year=2009 

@articleBiermann_Dräxler_Karl_2009, title=Flow Synchronization for Network Coding, DOI=10.4304/jcm.4.11.873-884, number=11, journal=Journal of Communications, author=Biermann, Thorsten and Dräxler, Martin and Karl, Holger, year=2009, pages=873--884 

@articleValentin_S. Lichte_Karl_Vivier_Simoens_Vidal_Agustin_2009, title=Cooperative Wireless Networking Beyond Store-and-Forward , DOI=10.1007/s11277-007-9429-2, number=1, journal=Wireless Personal Communications, author=Valentin, Stefan and S. Lichte, Hermann and Karl, Holger and Vivier, Guillaume and Simoens, Sebastien and Vidal, Josep and Agustin, Adrian, year=2009, pages=49--68 

@inproceedingsBiermann_Dannewitz_Karl_2009, title=An Adaptive Resource/Performance Trade-Off for Resolving Complex Queries in P Networks, DOI=10.1109/ICC.2009.5198716, booktitle=Proceedings of IEEE International Conference on Communications, ICC 2009, Dresden, Germany, 14-18 June 2009, author=Biermann, Thorsten and Dannewitz, Christian and Karl, Holger, year=2009, pages=1--6 

@inproceedingsS. Lichte_Valentin_von Malm_Karl_Bin Sediq_Aad_2009, title=Rate-Per-Link Adaptation in Cooperative Wireless Networks with Multi-Rate Combining, DOI=10.1109/ICC.2009.5199393, booktitle=Proceedings of IEEE International Conference on Communications, ICC 2009, Dresden, Germany, 14-18 June 2009, author=S. Lichte, Hermann and Valentin, Stefan and von Malm, Holger and Karl, Holger and Bin Sediq, Akram and Aad, Imad, year=2009, pages=1--6 

@inproceedingsBirkenheuer_Brinkmann_Karl_2009, title=The Gain of Overbooking, DOI=10.1007/978-3-642-04633-9_5, booktitle=Job Scheduling Strategies for Parallel Processing, 14th International Workshop, JSSPP 2009, Rome, Italy, May 29, 2009. Revised Papers, author=Birkenheuer, Georg and Brinkmann, Andre and Karl, Holger, year=2009, pages=80–100 

@inproceedingsSimon Lichte_Valentin_Karl_Aad_Widmer_2009, title=Analyzing space/capacity tradeoffs of cooperative wireless networks using a probabilistic model of interference, DOI=10.1145/1641804.1641817, booktitle=Proceedings of the 12th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2009, Tenerife, Canary Islands, Spain, October 26-19, 2009, author=Simon Lichte, Hermann and Valentin, Stefan and Karl, Holger and Aad, Imad and Widmer, J., year=2009, pages=54--62 

@inproceedingsBiermann_Schwabe_Karl_2009, title=Creating Butterflies in the Core - A Network Coding Extension for MPLS/RSVP-TE, DOI=10.1007/978-3-642-01399-7_69, booktitle=NETWORKING 2009, 8th International IFIP-TC 6 Networking Conference, Aachen, Germany, May 11-15, 2009. Proceedings, author=Biermann, Thorsten and Schwabe, Arne and Karl, Holger, year=2009, pages=883--894 

@inproceedingsLischka_Karl_2009, title=A virtual network mapping algorithm based on subgraph isomorphism detection, DOI=10.1145/1592648.1592662, booktitle=Proceedings of the 1st ACM SIGCOMM Workshop on Virtualized Infrastructure Systems and Architectures, VISA 2009, Barcelona, Spain, August 17, 2009, author=Lischka, Jens and Karl, Holger, year=2009, pages=81--88 

@inproceedingsBiermann_Polgar_Karl_2009, title=Cooperation and coding framework, booktitle=Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference on, author=Biermann, Thorsten and Polgar, Zsolt Alfred and Karl, Holger, year=2009, pages=1--5 

@inproceedingsValentin_Woldegebreal_Volkhausen_Karl_2009, title=Combining for cooperative WLANs-a reality check based on prototype measurements, booktitle=Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference on, author=Valentin, Stefan and Woldegebreal, Dereje H and Volkhausen, Tobias and Karl, Holger, year=2009, pages=1--5 

@inproceedingsVolkhausen_Woldegebreal_Karl_2009, title=Improving network coded cooperation by soft information, booktitle=Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops’ 09. 6th Annual IEEE Communications Society Conference on, author=Volkhausen, Tobias and Woldegebreal, Dereje H and Karl, Holger, year=2009, pages=1--6 

@inproceedingsWarneke_Dannewitz_2009, title=Statistics-based ID management for load balancing in structured P networks, DOI=10.1109/lcn.2009.5355086, booktitle=2009 IEEE 34th Conference on Local Computer Networks, publisher=IEEE, author=Warneke, Daniel and Dannewitz, Christian, year=2009 

@bookBiermann_Dannewitz_Karl_2008, title=Extended Results on an Adaptive Resource/Performance Trade-Off for Resolving Complex Queries in P Networks, author=Biermann, Thorsten and Dannewitz, Christian and Karl, Holger, year=2008 

@inproceedingsBrinkmann_Gudenkauf_Hasselbring_Höing_Karl_Kao_Nitsche_Scherp_2008, title=Employing WS-BPEL Design Patterns for Grid Service Orchestration using a Standard WS-BPEL Engine and a Grid Middleware, booktitle=Proc. Cracow Grid Workshop (CGW), author=Brinkmann, André and Gudenkauf, Stefan and Hasselbring, Wilhelm and Höing, André and Karl, Holger and Kao, Odej and Nitsche, Holger and Scherp, Guido, year=2008, pages=103–110 

@bookBrinkmann_Karl_2008, title=Proceedings of the 1. GI/ITG KuVS Fachgespräch Virtualisierung, publisher=Paderborn Center for Parallel Computing, Paderborn University, year=2008 

@inproceedingsValentin_Lichte_Warneke_Biermann_Funke_Karl_2008, title=Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements, DOI=10.1109/vetecf.2008.350, booktitle=2008 IEEE 68th Vehicular Technology Conference, publisher=IEEE, author=Valentin, Stefan and Lichte, Hermann S. and Warneke, Daniel and Biermann, Thorsten and Funke, Rafael and Karl, Holger, year=2008 

@inproceedingsValentin_Freitag_Karl_2008, title=Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance, DOI=10.1109/icc.2008.626, booktitle=2008 IEEE International Conference on Communications, publisher=IEEE, author=Valentin, S. and Freitag, T. and Karl, Holger, year=2008 

@inbookWoldegebreal_Karl_2008, place=Berlin, Heidelberg, title=Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension, DOI=10.1007/978-3-540-77690-1_9, booktitle=Lecture Notes in Computer Science, publisher=Springer Berlin Heidelberg, author=Woldegebreal, Dereje H. and Karl, Holger, year=2008, pages=141–155 

@inproceedingsH. Woldegebreal_Karl_2008, title=Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension, DOI=10.1007/978-3-540-77690-1_9, booktitle=Wireless Sensor Networks, 5th European Conference, EWSN 2008, Bologna, Italy, January 30-February 1, 2008, Proceedings, author=H. Woldegebreal, Dereje and Karl, Holger, year=2008, pages=141--155 

@inproceedingsValentin_Freitag_Karl_2008, title=Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance, DOI=10.1109/ICC.2008.626, booktitle=Proceedings of IEEE International Conference on Communications, ICC 2008, Beijing, China, 19-23 May 2008, author=Valentin, Stefan and Freitag, Thomas and Karl, Holger, year=2008, pages=3328--3334 

@inproceedingsS. Lichte_Valentin_Karl_Aad_Loyola_Widmer_2008, title=Design and Evaluation of a Routing-Informed Cooperative MAC Protocol for Ad Hoc Networks, DOI=10.1109/INFOCOM.2008.249, booktitle=INFOCOM 2008. 27th IEEE International Conference on Computer Communications, Joint Conference of the IEEE Computer and Communications Societies, 13-18 April 2008, Phoenix, AZ, USA, author=S. Lichte, Hermann and Valentin, Stefan and Karl, Holger and Aad, Imad and Loyola, Luis and Widmer, J}, year=2008, pages=1858--1866 

@inproceedingsValentin_S. Lichte_Karl_Aad_Loyola_Widmer_2008, title=Opportunistic relaying vs. selective cooperation: analyzing the occurrence-conditioned outage capacity, DOI=10.1145/1454503.1454539, booktitle=Proceedings of the 11th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2008, Vancouver, British Columbia, Canada, October 27-31, 2008, author=Valentin, Stefan and S. Lichte, Hermann and Karl, Holger and Aad, Imad and Loyola, Luis and Widmer, J., year=2008, pages=193--202 

@inproceedingsValentin_Volkhausen_Atay Onat_Yanikomeroglu_Karl_2008, title=Decoding-based channel estimation for selective cooperation diversity protocols, DOI=10.1109/PIMRC.2008.4699545, booktitle=Proceedings of the IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, 15-18 September 2008, Cannes, French Riviera, France, author=Valentin, Stefan and Volkhausen, Tobias and Atay Onat, Furuzan and Yanikomeroglu, Halim and Karl, Holger, year=2008, pages=1--6 

@inproceedingsValentin_S. Lichte_Warneke_Biermann_Funke_Karl_2008, title=Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements, DOI=10.1109/VETECF.2008.350, booktitle=Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada, author=Valentin, Stefan and S. Lichte, Hermann and Warneke, Daniel and Biermann, Thorsten and Funke, Rafael and Karl, Holger, year=2008, pages=1--5 

@inproceedingsH. Woldegebreal_Valentin_Karl_2008, title=Incremental Network Coding in Cooperative Transmission Wireless Networks, DOI=10.1109/VETECF.2008.346, booktitle=Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada, author=H. Woldegebreal, Dereje and Valentin, Stefan and Karl, Holger, year=2008, pages=1--5 

@inproceedingsPlatz_Woldegebreal_Karl_2008, title=Random network coding in wireless sensor networks: Energy efficiency via cross-layer approach, booktitle=Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium on, author=Platz, Daniel and Woldegebreal, Dereje H and Karl, Holger, year=2008, pages=654--660 

@inproceedingsValentin_Volkhausen_Onat_Yanikomeroglu_Karl_2008, title=Enabling partial forwarding by decoding-based one and two-stage selective cooperation, booktitle=Communications Workshops, 2008. ICC Workshops’ 08. IEEE International Conference on, author=Valentin, Stefan and Volkhausen, Tobias and Onat, Furuzan Atay and Yanikomeroglu, Halim and Karl, Holger, year=2008, pages=129--133 

@bookEitzen_Valentin_Gossens_Karl_Rolfes_2007, title=Experimental evaluation of IEEE 802.11a-based WLANs for medium range communication, author=Eitzen, Falk and Valentin, Stefan and Gossens, Kai and Karl, Holger and Rolfes, Oliver, year=2007 

@inproceedingsWoldegebreal_Karl_2007, title=Multiple-Access Relay Channel with Network Coding and Non-Ideal Source-Relay Channels, DOI=10.1109/iswcs.2007.4392437, booktitle=2007 4th International Symposium on Wireless Communication Systems, publisher=IEEE, author=Woldegebreal, Dereje H. and Karl, Holger, year=2007 

@inproceedingsKarl_2007, place=Bern / Switzerland, title=Optimizing sleeping intervals in preamble sampling MAC for WSNs, publisher=Communication in Distributed Systems (KiVS), 2007 ITG-GI Conference, author=Karl, Holger, year=2007 

@articleFestag_Karl_Wolisz_2007, title=Investigation of multicast-based mobility support in all-IP cellular networks, DOI=10.1002/wcm.328, number=3, journal=Wireless Communications and Mobile Computing, author=Festag, Andreas and Karl, Holger and Wolisz, Adam, year=2007, pages=319--339 

@inproceedingsvan der Stok_Karl_De Ambroggi_Decotignie_Siegemund_Lokhorst_Hellenschmidt_2007, title=WASP - Wirelessly Accessible Sensor Populations: A Project Overview, DOI=10.1007/978-3-540-85379-4_49, booktitle=Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers, author=van der Stok, Peter and Karl, Holger and De Ambroggi, Fabio and Decotignie, JeanDominique and Siegemund, Frank and Lokhorst, Kees and Hellenschmidt, Michael, year=2007, pages=426--429 

@inproceedingsH. Woldegebreal_Valentin_Karl_2007, title=Outage probability analysis of cooperative transmission protocols without and with network coding: inter-user channels based comparison, DOI=10.1145/1298126.1298136, booktitle=Proceedings of the 10th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2007, Chania, Crete Island, Greece, October 22-26, 2007, author=H. Woldegebreal, Dereje and Valentin, Stefan and Karl, Holger, year=2007, pages=36--44 

@inproceedingsValentin_von Malm_Karl_2007, title=Traffic-Aware Asymmetric Cooperation Diversity for Media Streaming in Wireless Networks, DOI=10.1109/PIMRC.2007.4394223, booktitle=Proceedings of the IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2007, 3-7 September 2007, Athens, Greece, author=Valentin, Stefan and von Malm, Holger and Karl, Holger, year=2007, pages=1--6 

@inproceedingsS. Lichte_Valentin_Eitzen_Stege_Unger_Karl_2007, title=Integrating multiuser dynamic OFDMA into IEEE 802.11a and prototyping it on a real-time software-defined radio testbed, DOI=10.1109/TRIDENTCOM.2007.4444671, booktitle=3rd International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities, TridentCom 2007, Orlando, Florida, USA, May 21-23 2007, author=S. Lichte, Hermann and Valentin, Stefan and Eitzen, Falk and Stege, Matthias and Unger, Carsten and Karl, Holger, year=2007, pages=1--9 

@inproceedingsValentin_Karl_2007, title=Effect of User Mobility in Coded Cooperative Systems with Joint Partner and Cooperation Level Selection, DOI=10.1109/WCNC.2007.170, booktitle=IEEE Wireless Communications and Networking Conference, WCNC 2007, Hong Kong, China, 11-15 March, 2007, author=Valentin, Stefan and Karl, Holger, year=2007, pages=896--901 

@inproceedingsMarie Feeney_Cetin_Hollos_Kubisch_Mengesha_Karl_2007, title=Multi-rate Relaying for Performance Improvement in IEEE 802.11 WLANs, DOI=10.1007/978-3-540-72697-5_17, booktitle=Wired/Wireless Internet Communications, 5th International Conference, WWIC 2007, Coimbra, Portugal, May 23-25, 2007, Proceedings, author=Marie Feeney, Laura and Cetin, Bilge and Hollos, Daniel and Kubisch, Martin and Mengesha, Seble and Karl, Holger, year=2007, pages=201--212 

@inproceedingsValentin_Karl_2007, title=Analyzing the effect of asymmetric mobility and channel configurations on the outage performance of coded cooperative systems, booktitle=Proc. of the European Wireless Conference (EW), author=Valentin, Stefan and Karl, Holger, year=2007 

@articleValentin_Lichte_Karl_Simoens_Vivier_Vidal_Agustin_2007, title=Implementing cooperative wireless networks, DOI=10.1007/978-1-4020-5979-7_8, journal=Cognitive Wireless Networks, author=Valentin, Stefan and Lichte, Hermann S and Karl, Holger and Simoens, Sebastien and Vivier, Guillaume and Vidal, Josep and Agustin, Adrian, year=2007, pages=155--178 

@bookValentin_von Malm_Karl_2006, title=Evaluating the GNU Software Radio platform for wireless testbeds, author=Valentin, Stefan and von Malm, Holger and Karl, Holger, year=2006 

@inproceedingsValentin_Lichte_Karl_Vivier _Simoens_Vidal_Agustin_Aad_2006, title=Cooperative wireless networking beyond store-and-forward: Perspectives for PHY and MAC design, author=Valentin, Stefan and Lichte, Herman S. and Karl, Holger and Vivier, Guillaume  and  Simoens, Sebastien and Vidal, Josep and Agustin, Adrian and Aad, Imad, year=2006 

@inproceedingsDannewitz_Berg_Karl_2006, title=An IEEE 802.21-based Universal Information Service , booktitle= Proc. of the Wireless World Research Forum Meeting , author=Dannewitz, Christian and Berg, Stefan and Karl, Holger, year=2006 

@articleHoene_Karl_Wolisz_2006, title=A perceptual quality model intended for adaptive VoIP applications, DOI=10.1002/dac.755, number=3, journal=Int. J. Communication Systems, author=Hoene, Christian and Karl, Holger and Wolisz, Adam, year=2006, pages=299--316 

@articleGross_Geerdes_Karl_Wolisz_2006, title=Performance analysis of dynamic OFDMA systems with inband signaling, DOI=10.1109/JSAC.2005.862386, number=3, journal=IEEE Journal on Selected Areas in Communications, author=Gross, James and Geerdes, Hans-Florian and Karl, Holger and Wolisz, Adam, year=2006, pages=427--436 

@articleCarlson_Prehofer_Bettstetter_Karl_Wolisz_2006, title=A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks, DOI=10.1109/JSAC.2006.881633, number=11, journal=IEEE Journal on Selected Areas in Communications, author=Carlson, E. and Prehofer, Christian and Bettstetter, Christian and Karl, Holger and Wolisz, Adam, year=2006, pages=2018--2027 

@inproceedingsMattern_Karl_Römer_2006, series=Lecture Notes in Computer Science, title=Wireless Sensor Networks, DOI=10.1007/11669463, booktitle=Third European Workshop, EWSN 2006, Zurich, Switzerland, February 13-15, 2006, Proceedings, author=Mattern, Friedemann and Karl, Holger and Römer, Kay, editor=R\'22omer, Kay and Karl, Holger and Mattern, FriedemannEditors, year=2006, collection=Lecture Notes in Computer Science 

@inproceedingsAguiar_Wolisz_Lederer_Karl_2005, title=Channel-Adaptive Schedulers with State-of-the-Art Channel Predictors, booktitle=Proceedings of the 11th European Wireless Conference 2005, author=Aguiar, A. and Wolisz, A. and Lederer, H. and Karl, Holger, year=2005