TY - CONF AU - Karl, Holger ID - 1842 TI - Optimizing sleeping intervals in preamble sampling MAC for WSNs ER - TY - JOUR AU - Festag, Andreas AU - Karl, Holger AU - Wolisz, Adam ID - 830 IS - 3 JF - Wireless Communications and Mobile Computing TI - Investigation of multicast-based mobility support in all-IP cellular networks ER - TY - CONF AU - van der Stok, Peter AU - Karl, Holger AU - De Ambroggi, Fabio AU - Decotignie, JeanDominique AU - Siegemund, Frank AU - Lokhorst, Kees AU - Hellenschmidt, Michael ID - 831 T2 - Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers TI - WASP - Wirelessly Accessible Sensor Populations: A Project Overview ER - TY - CONF AU - H. Woldegebreal, Dereje AU - Valentin, Stefan AU - Karl, Holger ID - 832 T2 - 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 TI - Outage probability analysis of cooperative transmission protocols without and with network coding: inter-user channels based comparison ER - TY - CONF AU - Valentin, Stefan AU - von Malm, Holger AU - Karl, Holger ID - 833 T2 - Proceedings of the IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2007, 3-7 September 2007, Athens, Greece TI - Traffic-Aware Asymmetric Cooperation Diversity for Media Streaming in Wireless Networks ER - TY - CONF AU - S. Lichte, Hermann AU - Valentin, Stefan AU - Eitzen, Falk AU - Stege, Matthias AU - Unger, Carsten AU - Karl, Holger ID - 834 T2 - 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 TI - Integrating multiuser dynamic OFDMA into IEEE 802.11a and prototyping it on a real-time software-defined radio testbed ER - TY - CONF AU - Valentin, Stefan AU - Karl, Holger ID - 835 T2 - IEEE Wireless Communications and Networking Conference, WCNC 2007, Hong Kong, China, 11-15 March, 2007 TI - Effect of User Mobility in Coded Cooperative Systems with Joint Partner and Cooperation Level Selection ER - TY - CONF AU - Marie Feeney, Laura AU - Cetin, Bilge AU - Hollos, Daniel AU - Kubisch, Martin AU - Mengesha, Seble AU - Karl, Holger ID - 836 T2 - Wired/Wireless Internet Communications, 5th International Conference, WWIC 2007, Coimbra, Portugal, May 23-25, 2007, Proceedings TI - Multi-rate Relaying for Performance Improvement in IEEE 802.11 WLANs ER - TY - CONF AU - Valentin, Stefan AU - Karl, Holger ID - 1015 T2 - Proc. of the European Wireless Conference (EW) TI - Analyzing the effect of asymmetric mobility and channel configurations on the outage performance of coded cooperative systems ER - TY - JOUR AU - Valentin, Stefan AU - Lichte, Hermann S AU - Karl, Holger AU - Simoens, Sebastien AU - Vivier, Guillaume AU - Vidal, Josep AU - Agustin, Adrian ID - 1018 JF - Cognitive Wireless Networks TI - Implementing cooperative wireless networks ER - TY - GEN AU - Valentin, Stefan AU - von Malm, Holger AU - Karl, Holger ID - 2518 TI - Evaluating the GNU Software Radio platform for wireless testbeds ER - TY - CONF AU - Valentin, Stefan AU - Lichte, Herman S. AU - Karl, Holger AU - Vivier, Guillaume AU - Simoens, Sebastien AU - Vidal, Josep AU - Agustin, Adrian AU - Aad, Imad ID - 2523 TI - Cooperative wireless networking beyond store-and-forward: Perspectives for PHY and MAC design ER - TY - CONF AU - Dannewitz, Christian AU - Berg, Stefan AU - Karl, Holger ID - 2526 T2 - Proc. of the Wireless World Research Forum Meeting TI - An IEEE 802.21-based Universal Information Service ER - TY - JOUR AU - Hoene, Christian AU - Karl, Holger AU - Wolisz, Adam ID - 837 IS - 3 JF - Int. J. Communication Systems TI - A perceptual quality model intended for adaptive VoIP applications ER - TY - JOUR AU - Gross, James AU - Geerdes, Hans{-}Florian AU - Karl, Holger AU - Wolisz, Adam ID - 838 IS - 3 JF - IEEE Journal on Selected Areas in Communications TI - Performance analysis of dynamic OFDMA systems with inband signaling ER - TY - JOUR AU - Carlson, E. AU - Prehofer, Christian AU - Bettstetter, Christian AU - Karl, Holger AU - Wolisz, Adam ID - 839 IS - 11 JF - IEEE Journal on Selected Areas in Communications TI - A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks ER - TY - CONF AU - Mattern, Friedemann AU - Karl, Holger AU - Römer, Kay ED - R{\"{o}}mer, Kay ED - Karl, Holger ED - Mattern, Friedemann ID - 840 SN - 3-540-32158-6 T2 - Third European Workshop, {EWSN} 2006, Zurich, Switzerland, February 13-15, 2006, Proceedings TI - Wireless Sensor Networks ER - TY - CONF AU - Aguiar, A. AU - Wolisz, A. AU - Lederer, H. AU - Karl, Holger ID - 1843 T2 - Proceedings of the 11th European Wireless Conference 2005 TI - Channel-Adaptive Schedulers with State-of-the-Art Channel Predictors ER - TY - BOOK AU - Karl, Holger AU - Willig, Andreas ID - 841 SN - 978-0-470-09510-2 TI - Protocols and architectures for wireless sensor networks ER - TY - JOUR AU - Ebert, Jean-Pierre AU - Hollos, Daniel AU - Karl, Holger AU - Löbbers, Marc ID - 842 IS - 1 JF - Comput. J. TI - Does Multi-Hop Communication Reduce Electromagnetic Exposure? ER - TY - JOUR AU - Savoric, Michael AU - Karl, Holger AU - Schläger, Morten AU - Poschwatta, Tobias AU - Wolisz, Adam ID - 843 IS - 2 JF - Computer Networks TI - Analysis and performance evaluation of the EFCM common congestion controller for TCP connections ER - TY - JOUR AU - Gross, James AU - Valentin, Stefan AU - Karl, Holger AU - Wolisz, Adam ID - 844 IS - 1 JF - European Transactions on Telecommunications TI - A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system ER - TY - JOUR AU - Karl, Holger AU - Lentsch, Thomas AU - Ritter, Hartmut ID - 845 IS - 2 JF - Praxis der Informationsverarbeitung und Kommunikation TI - Drahtlose Sensornetze ER - TY - JOUR AU - Willig, Andreas AU - Karl, Holger ID - 846 IS - 2 JF - Praxis der Informationsverarbeitung und Kommunikation TI - Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions ER - TY - CONF AU - Kopke, Andreas AU - Karl, Holger AU - Lobbers, Marc ID - 847 T2 - Wireless Sensor Networks, Second European Workshop, EWSN 2005, Istanbul, Turkey, January 31 - February 2, 2005, Proceedings TI - Using energy where it counts: protecting important messages in the link layer ER - TY - CHAP AU - Karl, Holger ID - 848 T2 - The Industrial Information Technology Handbook TI - Ad Hoc Networks ER - TY - CONF AU - Valentin, Stefan AU - Gross, James AU - Karl, Holger AU - Wolisz, Adam ID - 1013 T2 - 10th IFIP International Conference on Personal Wireless Communications/PWC'05, Comar, France, 2005 TI - Adaptive scheduling for heterogeneous traffic flows in cellular wireless OFDM-FDMA systems ER - TY - JOUR AU - Gross, James AU - Valentin, Stefan AU - Karl, Holger AU - Wolisz, Adam ID - 1378 IS - 1 JF - European Transactions on Telecommunications SN - 1124-318X TI - A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system VL - 16 ER - TY - CONF AU - Köpke, A. AU - Karl, Holger AU - Wolisz, A. ID - 2529 T2 - GI / ITG Fachgespräche Drahtlose Sensornetzwerke TI - Consensus in WSN – Identifying critical protocol mechanisms ER - TY - CONF AU - Aguiar, Ana AU - Karl, Holger AU - Wolisz, Adam ID - 1911 T2 - Proceedings of European Wireless 2004, Barcelona / Spain TI - Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy ER - TY - JOUR AU - Gross, James AU - Klaue, Jirka AU - Karl, Holger AU - Wolisz, Adam ID - 850 IS - 11 JF - Computer Communications TI - Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming ER - TY - JOUR AU - Niebert, Norbert AU - Schieder, Andreas AU - Abramowicz, Henrik AU - Malmgren, G. AU - Sachs, Joachim AU - Horn, Uwe AU - Prehofer, Christian AU - Karl, Holger ID - 851 IS - 2 JF - IEEE Wireless Communications TI - Ambient networks: An architecture for communication networks beyond 3G ER - TY - CONF AU - Handziski, Vlado AU - Köpke, Andreas AU - Karl, Holger AU - Frank, Christian AU - Drytkiewicz, Witold ID - 852 T2 - Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings TI - Improving the Energy Efficiency of Directed Diffusion Using Passive Clustering ER - TY - CONF AU - Typpö, Ville AU - Eisl, Jochen AU - Höller, Jan AU - Agüero, Ramon AU - Karl, Holger ID - 853 T2 - Broadband Satellite Comunication Systems and the Challenges of Mobility - IFIP TC6 Workshops on Broadband Satellite Communication Systems and Challenges of Mobility, World Computer Congress, August 22-27, 2004, Toulouse, France TI - Research Challenges in Mobility and Moving Networks: An Ambient Networks View ER - TY - CONF AU - Frank, Christian AU - Karl, Holger ID - 854 T2 - Proceedings of the 7th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2004, Venice, Italy, October 4-6, 2004 TI - Consistency challenges of service discovery in mobile ad hoc networks ER - TY - CONF AU - Marie Feeney, Laura AU - Hollos, Daniel AU - Kubisch, Martin AU - Mengesha, Seble AU - Karl, Holger ID - 855 T2 - NETWORKING 2004, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication, Third International IFIP-TC6 Networking Conference, Athens, Greece, May 9-14, 2004, Proceedings TI - A Geometric Derivation of the Probability of Finding a Relay in Multi-rate Networks ER - TY - CONF AU - Hollos, Daniel AU - Karl, Holger AU - Wolisz, Adam ID - 856 T2 - 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004 TI - Regionalizing global optimization algorithms to improve the operation of large ad hoc networks ER - TY - CONF AU - Raguin, David AU - Kubisch, Martin AU - Karl, Holger AU - Wolisz, Adam ID - 857 T2 - 2004 IEEE Wireless Communications and Networking Conference , WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004 TI - Queue-driven cut-through medium access in wireless ad hoc networks ER - TY - CHAP AU - Karl, Holger ID - 858 T2 - Location-Based Services TI - Data Transmission in Mobile Communication Systems ER - TY - GEN ED - Karl, Holger ED - Willig, Andreas ED - Wolisz, Adam ID - 859 SN - 3-540-20825-9 TI - Wireless Sensor Networks ER - TY - CONF AU - Niebert, Norbert AU - Flinck, Hannu AU - Hancock, Robert AU - Karl, Holger AU - Prehofer, Christian ID - 988 T2 - 13th IST Mobile and Wireless Communications-Summit 2004 TI - Ambient Networks--Research for Communication Networks Beyond 3G ER - TY - CONF AU - Gross, James AU - Paoluzzi, Irene AU - Karl, Holger AU - Wolisz, Adam ID - 992 T2 - Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th TI - Throughput study for a dynamic OFDM-FDMA system with inband signaling ER - TY - JOUR AU - Klimin, Nikolay AU - Enkelmann, Wilfried AU - Karl, Holger AU - Wolisz, Adam ID - 993 JF - Proc. of WIT TI - A hybrid approach for location-based service discovery in vehicular ad hoc networks ER - TY - CONF AU - Carlson, Emma AU - Karl, Holger AU - Wolisz, Adam AU - Prehofer, Christian ID - 997 T2 - Proc. European Wireless TI - Distributed allocation of time slots for real-time traffic in a wireless multi-hop network ER - TY - JOUR AU - Mengesha, Seble AU - Karl, Holger AU - Wolisz, Adam ID - 998 JF - Proc. of MedHocNet 2004 TI - Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling ER - TY - CONF AU - Carlson, Emma AU - Bettstetter, Christian AU - Karl, Holger AU - Prehofer, Christian AU - Wolisz, Adam ID - 1002 T2 - Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th TI - Distributed maintenance of resource reservation paths in multihop 802.11 networks ER - TY - CONF AU - Gross, James AU - Karl, Holger AU - Wolisz, Adam ID - 1006 T2 - European Wireless 2004 TI - On the effect of inband signaling and realistic channel knowledge on dynamic OFDM-FDMA systems ER - TY - JOUR AU - Kubisch, Martin AU - Karl, Holger AU - Wolisz, Adam ID - 1017 IS - 3-4 JF - Frequenz TI - A MAC protocol for wireless sensor networks with multiple selectable, fixed-orientation antennas ER - TY - CONF AU - Gross, James AU - Karl, Holger AU - Wolisz, Adam ID - 1019 T2 - 2nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks 2004 (WiOpt 2004) TI - Throughput optimization of dynamic OFDM-FDMA systems with inband signaling ER - TY - GEN AU - Handziski, Vlado AU - Köpke, Andreas AU - Karl, Holger AU - Wolisz, Adam ID - 2533 TI - A common wireless sensor network architecture? ER -