Birkenheuer G, Brinkmann A, Karl H. Risk Aware Overbooking for Commercial Grids. In: Job Scheduling Strategies for Parallel Processing - 15th International Workshop, JSSPP 2010, Atlanta, GA, USA, April 23, 2010, Revised Selected Papers. ; 2010:51-76. doi:10.1007/978-3-642-16505-4_4

S. Lichte H, Frey H, Karl H. Fading-resistant low-latency broadcasts in wireless multihop networks: the probabilistic cooperation diversity approach. In: Proceedings of the 11th ACM Interational Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc 2010, Chicago, IL, USA, September 20-24, 2010. ; 2010:101--110. doi:10.1145/1860093.1860108

Biermann T, Dannewitz C, Karl H. FIT: Future Internet Toolbox. In: Testbeds and Research Infrastructures. Development of Networks and Communities - 6th International ICST Conference, TridentCom 2010, Berlin, Germany, May 18-20, 2010, Revised Selected Papers. ; 2010:442--453. doi:10.1007/978-3-642-17851-1_34

Dannewitz C, Biermann T, Dräxler M, Beister F, Karl H. Prototyping with the Future Internet Toolbox. In: Testbeds and Research Infrastructures. Development of Networks and Communities - 6th International ICST Conference, TridentCom 2010, Berlin, Germany, May 18-20, 2010, Revised Selected Papers. ; 2010:609--611. doi:10.1007/978-3-642-17851-1_56

Miller K, Biermann T, Woesner H, Karl H. Network coding in passive optical networks. In: Network Coding (NetCod), 2010 IEEE International Symposium On. ; 2010:1--6.

Lischka J, Karl H. RiaS: overlay topology creation on a PlanetLab infrastructure. In: Proceedings of the Second ACM SIGCOMM Workshop on Virtualized Infrastructure Systems and Architectures. ; 2010:9--16.

Woldegebreal DH, Karl H. Energy efficiency model of network-coded cooperation in wireless sensor networks. In: Sensor Technologies and Applications (SENSORCOMM), 2010 Fourth International Conference On. ; 2010:513--520.

Khan RAM, Karl H. Cooperative communication to improve reliability and efficient neighborhood wakeup in wireless sensor networks. In: Proceedings of the Fourth International Conference on Mobile Ubiquitous Computing (UBICOMM 2010). ; 2010.

Volkhausen T, Woldegebreal DH, Karl H. Improving Network Coded Cooperation by Soft Information. In: 2009 6th IEEE Annual Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks Workshops. IEEE; 2009. doi:10.1109/sahcnw.2009.5172938

Valentin S, Woldegebreal DH, Volkhausen T, Karl H. Combining for Cooperative WLANs - A Reality Check Based on Prototype Measurements. In: 2009 IEEE International Conference on Communications Workshops. IEEE; 2009. doi:10.1109/iccw.2009.5208050

Biermann T, Schwabe A, Karl H. Creating Butterflies in the Core – A Network Coding Extension for MPLS/RSVP-TE. In: NETWORKING 2009. Berlin, Heidelberg: Springer Berlin Heidelberg; 2009:883-894. doi:10.1007/978-3-642-01399-7_69

Lichte HS, Weide J. Modeling obstacles in INET/Mobility framework: motivation, integration, and performance. In: Proceedings of the Second International ICST Conference on Simulation Tools and Techniques. ICST; 2009. doi:10.4108/icst.simutools2009.5680

Ahlgren B, Vercellone V, D’Ambrosio M, et al. Design considerations for a network of information. In: Proceedings of the 2008 ACM CoNEXT Conference on - CONEXT ’08. ACM Press; 2009. doi:10.1145/1544012.1544078

Biermann T, Dräxler M, Karl H. Flow Synchronization for Network Coding. Journal of Communications. 2009;(11):873--884. doi:10.4304/jcm.4.11.873-884

Valentin S, S. Lichte H, Karl H, et al. Cooperative Wireless Networking Beyond Store-and-Forward . Wireless Personal Communications. 2009;(1):49--68. doi:10.1007/s11277-007-9429-2

Biermann T, Dannewitz C, Karl H. An Adaptive Resource/Performance Trade-Off for Resolving Complex Queries in P Networks. In: Proceedings of IEEE International Conference on Communications, ICC 2009, Dresden, Germany, 14-18 June 2009. ; 2009:1--6. doi:10.1109/ICC.2009.5198716

S. Lichte H, Valentin S, von Malm H, Karl H, Bin Sediq A, Aad I. Rate-Per-Link Adaptation in Cooperative Wireless Networks with Multi-Rate Combining. In: Proceedings of IEEE International Conference on Communications, ICC 2009, Dresden, Germany, 14-18 June 2009. ; 2009:1--6. doi:10.1109/ICC.2009.5199393

Birkenheuer G, Brinkmann A, Karl H. The Gain of Overbooking. In: Job Scheduling Strategies for Parallel Processing, 14th International Workshop, JSSPP 2009, Rome, Italy, May 29, 2009. Revised Papers. ; 2009:80-100. doi:10.1007/978-3-642-04633-9_5

Simon Lichte H, Valentin S, Karl H, Aad I, Widmer J. Analyzing space/capacity tradeoffs of cooperative wireless networks using a probabilistic model of interference. In: 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. ; 2009:54--62. doi:10.1145/1641804.1641817

Biermann T, Schwabe A, Karl H. Creating Butterflies in the Core - A Network Coding Extension for MPLS/RSVP-TE. In: NETWORKING 2009, 8th International IFIP-TC 6 Networking Conference, Aachen, Germany, May 11-15, 2009. Proceedings. ; 2009:883--894. doi:10.1007/978-3-642-01399-7_69

Lischka J, Karl H. A virtual network mapping algorithm based on subgraph isomorphism detection. In: Proceedings of the 1st ACM SIGCOMM Workshop on Virtualized Infrastructure Systems and Architectures, VISA 2009, Barcelona, Spain, August 17, 2009. ; 2009:81--88. doi:10.1145/1592648.1592662

Biermann T, Polgar ZA, Karl H. Cooperation and coding framework. In: Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference On. ; 2009:1--5.

Valentin S, Woldegebreal DH, Volkhausen T, Karl H. Combining for cooperative WLANs-a reality check based on prototype measurements. In: Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference On. ; 2009:1--5.

Volkhausen T, Woldegebreal DH, Karl H. Improving network coded cooperation by soft information. In: Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops’ 09. 6th Annual IEEE Communications Society Conference On. ; 2009:1--6.

Warneke D, Dannewitz C. Statistics-based ID management for load balancing in structured P networks. In: 2009 IEEE 34th Conference on Local Computer Networks. IEEE; 2009. doi:10.1109/lcn.2009.5355086

Biermann T, Dannewitz C, Karl H. Extended Results on an Adaptive Resource/Performance Trade-Off for Resolving Complex Queries in P Networks.; 2008.

Brinkmann A, Gudenkauf S, Hasselbring W, et al. Employing WS-BPEL Design Patterns for Grid Service Orchestration using a Standard WS-BPEL Engine and a Grid Middleware. In: Proc. Cracow Grid Workshop (CGW). ; 2008:103-110.

Brinkmann A, Karl H, eds. Proceedings of the 1. GI/ITG KuVS Fachgespräch Virtualisierung. Paderborn Center for Parallel Computing, Paderborn University; 2008.

Valentin S, Lichte HS, Warneke D, Biermann T, Funke R, Karl H. Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements. In: 2008 IEEE 68th Vehicular Technology Conference. IEEE; 2008. doi:10.1109/vetecf.2008.350

Valentin S, Freitag T, Karl H. Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance. In: 2008 IEEE International Conference on Communications. IEEE; 2008. doi:10.1109/icc.2008.626

Woldegebreal DH, Karl H. Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension. In: Lecture Notes in Computer Science. Berlin, Heidelberg: Springer Berlin Heidelberg; 2008:141-155. doi:10.1007/978-3-540-77690-1_9

H. Woldegebreal D, Karl H. Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension. In: Wireless Sensor Networks, 5th European Conference, EWSN 2008, Bologna, Italy, January 30-February 1, 2008, Proceedings. ; 2008:141--155. doi:10.1007/978-3-540-77690-1_9

Valentin S, Freitag T, Karl H. Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance. In: Proceedings of IEEE International Conference on Communications, ICC 2008, Beijing, China, 19-23 May 2008. ; 2008:3328--3334. doi:10.1109/ICC.2008.626

S. Lichte H, Valentin S, Karl H, Aad I, Loyola L, Widmer J. Design and Evaluation of a Routing-Informed Cooperative MAC Protocol for Ad Hoc Networks. In: 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. ; 2008:1858--1866. doi:10.1109/INFOCOM.2008.249

Valentin S, S. Lichte H, Karl H, Aad I, Loyola L, Widmer J. Opportunistic relaying vs. selective cooperation: analyzing the occurrence-conditioned outage capacity. In: 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. ; 2008:193--202. doi:10.1145/1454503.1454539

Valentin S, Volkhausen T, Atay Onat F, Yanikomeroglu H, Karl H. Decoding-based channel estimation for selective cooperation diversity protocols. In: Proceedings of the IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, 15-18 September 2008, Cannes, French Riviera, France. ; 2008:1--6. doi:10.1109/PIMRC.2008.4699545

Valentin S, S. Lichte H, Warneke D, Biermann T, Funke R, Karl H. Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements. In: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada. ; 2008:1--5. doi:10.1109/VETECF.2008.350

H. Woldegebreal D, Valentin S, Karl H. Incremental Network Coding in Cooperative Transmission Wireless Networks. In: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada. ; 2008:1--5. doi:10.1109/VETECF.2008.346

Platz D, Woldegebreal DH, Karl H. Random network coding in wireless sensor networks: Energy efficiency via cross-layer approach. In: Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium On. ; 2008:654--660.

Valentin S, Volkhausen T, Onat FA, Yanikomeroglu H, Karl H. Enabling partial forwarding by decoding-based one and two-stage selective cooperation. In: Communications Workshops, 2008. ICC Workshops’ 08. IEEE International Conference On. ; 2008:129--133.

Eitzen F, Valentin S, Gossens K, Karl H, Rolfes O. Experimental Evaluation of IEEE 802.11a-Based WLANs for Medium Range Communication.; 2007.

Woldegebreal DH, Karl H. Multiple-Access Relay Channel with Network Coding and Non-Ideal Source-Relay Channels. In: 2007 4th International Symposium on Wireless Communication Systems. IEEE; 2007. doi:10.1109/iswcs.2007.4392437

Karl H. Optimizing sleeping intervals in preamble sampling MAC for WSNs. In: Bern / Switzerland: Communication in Distributed Systems (KiVS), 2007 ITG-GI Conference; 2007.

Festag A, Karl H, Wolisz A. Investigation of multicast-based mobility support in all-IP cellular networks. Wireless Communications and Mobile Computing. 2007;(3):319--339. doi:10.1002/wcm.328

van der Stok P, Karl H, De Ambroggi F, et al. WASP - Wirelessly Accessible Sensor Populations: A Project Overview. In: Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers. ; 2007:426--429. doi:10.1007/978-3-540-85379-4_49

H. Woldegebreal D, Valentin S, Karl H. Outage probability analysis of cooperative transmission protocols without and with network coding: inter-user channels based comparison. In: 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. ; 2007:36--44. doi:10.1145/1298126.1298136

Valentin S, von Malm H, Karl H. Traffic-Aware Asymmetric Cooperation Diversity for Media Streaming in Wireless Networks. In: Proceedings of the IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2007, 3-7 September 2007, Athens, Greece. ; 2007:1--6. doi:10.1109/PIMRC.2007.4394223

S. Lichte H, Valentin S, Eitzen F, Stege M, Unger C, Karl H. Integrating multiuser dynamic OFDMA into IEEE 802.11a and prototyping it on a real-time software-defined radio testbed. In: 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. ; 2007:1--9. doi:10.1109/TRIDENTCOM.2007.4444671

Valentin S, Karl H. Effect of User Mobility in Coded Cooperative Systems with Joint Partner and Cooperation Level Selection. In: IEEE Wireless Communications and Networking Conference, WCNC 2007, Hong Kong, China, 11-15 March, 2007. ; 2007:896--901. doi:10.1109/WCNC.2007.170

Marie Feeney L, Cetin B, Hollos D, Kubisch M, Mengesha S, Karl H. Multi-rate Relaying for Performance Improvement in IEEE 802.11 WLANs. In: Wired/Wireless Internet Communications, 5th International Conference, WWIC 2007, Coimbra, Portugal, May 23-25, 2007, Proceedings. ; 2007:201--212. doi:10.1007/978-3-540-72697-5_17