TY - CONF AU - Valentin, Stefan AU - Woldegebreal, Dereje H AU - Volkhausen, Tobias AU - Karl, Holger ID - 1010 T2 - Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference on TI - Combining for cooperative WLANs-a reality check based on prototype measurements ER - TY - CONF AU - Volkhausen, Tobias AU - Woldegebreal, Dereje H AU - Karl, Holger ID - 1011 T2 - Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops' 09. 6th Annual IEEE Communications Society Conference on TI - Improving network coded cooperation by soft information ER - TY - CONF AU - Warneke, Daniel AU - Dannewitz, Christian ID - 1032 SN - 9781424444885 T2 - 2009 IEEE 34th Conference on Local Computer Networks TI - Statistics-based ID management for load balancing in structured P2P networks ER - TY - GEN AU - Biermann, Thorsten AU - Dannewitz, Christian AU - Karl, Holger ID - 2513 TI - Extended Results on an Adaptive Resource/Performance Trade-Off for Resolving Complex Queries in P2P Networks ER - TY - CONF AU - Brinkmann, André AU - Gudenkauf, Stefan AU - Hasselbring, Wilhelm AU - Höing, André AU - Karl, Holger AU - Kao, Odej AU - Nitsche, Holger AU - Scherp, Guido ID - 2356 T2 - Proc. Cracow Grid Workshop (CGW) TI - Employing WS-BPEL Design Patterns for Grid Service Orchestration using a Standard WS-BPEL Engine and a Grid Middleware ER - TY - GEN ED - Brinkmann, André ED - Karl, Holger ID - 2376 TI - Proceedings of the 1. GI/ITG KuVS Fachgespräch Virtualisierung ER - TY - CONF AU - Valentin, Stefan AU - Lichte, Hermann S. AU - Warneke, Daniel AU - Biermann, Thorsten AU - Funke, Rafael AU - Karl, Holger ID - 1834 SN - 9781424417216 T2 - 2008 IEEE 68th Vehicular Technology Conference TI - Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements ER - TY - CONF AU - Valentin, S. AU - Freitag, T. AU - Karl, Holger ID - 1839 SN - 9781424420759 T2 - 2008 IEEE International Conference on Communications TI - Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance ER - TY - CHAP AU - Woldegebreal, Dereje H. AU - Karl, Holger ID - 1841 SN - 9783540776895 T2 - Lecture Notes in Computer Science TI - Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension ER - TY - CONF AU - H. Woldegebreal, Dereje AU - Karl, Holger ID - 822 T2 - Wireless Sensor Networks, 5th European Conference, EWSN 2008, Bologna, Italy, January 30-February 1, 2008, Proceedings TI - Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension ER - TY - CONF AU - Valentin, Stefan AU - Freitag, Thomas AU - Karl, Holger ID - 823 T2 - Proceedings of IEEE International Conference on Communications, ICC 2008, Beijing, China, 19-23 May 2008 TI - Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance ER - TY - CONF AU - S. Lichte, Hermann AU - Valentin, Stefan AU - Karl, Holger AU - Aad, Imad AU - Loyola, Luis AU - Widmer, J{\ ID - 824 T2 - 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} TI - Design and Evaluation of a Routing-Informed Cooperative MAC Protocol for Ad Hoc Networks ER - TY - CONF AU - Valentin, Stefan AU - S. Lichte, Hermann AU - Karl, Holger AU - Aad, Imad AU - Loyola, Luis AU - Widmer, J. ID - 825 T2 - 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 TI - Opportunistic relaying vs. selective cooperation: analyzing the occurrence-conditioned outage capacity ER - TY - CONF AU - Valentin, Stefan AU - Volkhausen, Tobias AU - Atay Onat, Furuzan AU - Yanikomeroglu, Halim AU - Karl, Holger ID - 826 T2 - Proceedings of the IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, 15-18 September 2008, Cannes, French Riviera, France TI - Decoding-based channel estimation for selective cooperation diversity protocols ER - TY - CONF AU - Valentin, Stefan AU - S. Lichte, Hermann AU - Warneke, Daniel AU - Biermann, Thorsten AU - Funke, Rafael AU - Karl, Holger ID - 827 T2 - Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada TI - Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements ER - TY - CONF AU - H. Woldegebreal, Dereje AU - Valentin, Stefan AU - Karl, Holger ID - 828 T2 - Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada TI - Incremental Network Coding in Cooperative Transmission Wireless Networks ER - TY - CONF AU - Platz, Daniel AU - Woldegebreal, Dereje H AU - Karl, Holger ID - 1003 T2 - Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium on TI - Random network coding in wireless sensor networks: Energy efficiency via cross-layer approach ER - TY - CONF AU - Valentin, Stefan AU - Volkhausen, Tobias AU - Onat, Furuzan Atay AU - Yanikomeroglu, Halim AU - Karl, Holger ID - 1007 T2 - Communications Workshops, 2008. ICC Workshops' 08. IEEE International Conference on TI - Enabling partial forwarding by decoding-based one and two-stage selective cooperation ER - TY - GEN AU - Eitzen, Falk AU - Valentin, Stefan AU - Gossens, Kai AU - Karl, Holger AU - Rolfes, Oliver ID - 2515 TI - Experimental evaluation of IEEE 802.11a-based WLANs for medium range communication ER - TY - CONF AU - Woldegebreal, Dereje H. AU - Karl, Holger ID - 1840 SN - 9781424409785 T2 - 2007 4th International Symposium on Wireless Communication Systems TI - Multiple-Access Relay Channel with Network Coding and Non-Ideal Source-Relay Channels ER - 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 - TY - CONF AU - Drytkiewicz, Witold AU - Sroka, Steffen AU - Handzisk, Vlado AU - Köpke, Andreas AU - Karl, Holger ID - 2535 T2 - Proc. of 3rd International OMNeT++ Workshop at Budapest University of Technology and Economics TI - A Mobility Frame work for OMNeT++ ER - TY - CONF AU - Fu, X. AU - Chen, T. AU - Festag, A. AU - Karl, Holger AU - Schäfer, G. AU - Fan, C. ID - 1913 T2 - Proceedings IP Based Cellular Network Conference IPCN, Paris / France, Dezember TI - Secure, QoS-Enabled Mobility Support for IP-based Networks ER - TY - CONF AU - Geerdes, Hans-Florian AU - Karl, Holger ID - 1914 T2 - Proceedings of INOC 2003, Evry/Paris TI - The Potential of Relaying in Cellular Networks ER - TY - CONF AU - Aguiar, Ana AU - Hoene, Christian AU - Klaue, Jirka AU - Karl, Holger AU - Miesmer, Horst AU - Wolisz, Adam ID - 1917 T2 - Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC'03) TI - Channel-aware Schedulers for VoIP and MPEG4 based on Channel Prediction ER - TY - JOUR AU - Savoric, Michael AU - Karl, Holger AU - Wolisz, Adam ID - 860 IS - 4 JF - Computer Communications TI - The TCP control block interdependence in fixed networks - new performance results ER - TY - JOUR AU - Zirwas, Wolfgang AU - Habetha, J. AU - Karl, Holger ID - 861 IS - 4 JF - Praxis der Informationsverarbeitung und Kommunikation TI - Ziel-orientierter Entwurf von Multi-hop Medienzugriffsprotokollen ER - TY - CONF AU - Aguiar, Ana AU - Karl, Holger AU - Wolisz, Adam AU - Miesmer, Horst ID - 862 T2 - Proceedings of the International Conference on Wireless Networks, ICWN '03, June 23 - 26, 2003, Las Vegas, Nevada, {USA} TI - A Framework for Evaluating Effects of Channel Prediction Inaccuracy on the Performance of Channel Adaptive Techniques ER - TY - CONF AU - Gross, James AU - Karl, Holger AU - H. P. Fitzek, Frank AU - Wolisz, Adam ID - 863 T2 - Proceedings of the International Conference on Wireless Networks, ICWN '03, June 23 - 26, 2003, Las Vegas, Nevada, {USA} TI - Comparison of Heuristic and Optimal Subcarrier Assignment Algorithms ER - TY - CONF AU - J. M. Havinga, Paul AU - Etalle, Sandro AU - Karl, Holger AU - Petrioli, Chiara AU - Zorzi, Michele AU - Kip, Harry AU - Lentsch, Thomas ID - 864 T2 - Personal Wireless Communications, IFIP-TC6 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings TI - EYES} - Energy Efficient Sensor Networks ER - TY - CONF AU - Kubisch, Martin AU - Karl, Holger AU - Wolisz, Adam ID - 865 T2 - Personal Wireless Communications, {IFIP-TC6} 8th International Conference, {PWC} 2003, Venice, Italy, September 23-25, 2003, Proceedings TI - Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-hop Networks? ER - TY - CONF AU - Köpke, Andreas AU - Willig, Andreas AU - Karl, Holger ID - 866 T2 - 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 TI - Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels ER - TY - CONF AU - Sroka, Steffen AU - Karl, Holger ID - 867 T2 - Proceedings of the Eighth IEEE Symposium on Computers and Communications (ISCC 2003), 30 June - 3 July 2003, Kiris-Kemer, Turkey TI - Performance Evaluation of a QoS-Aware Handover Mechanism ER - TY - CONF AU - Kubisch, Martin AU - Mengesha, Seble AU - Hollos, Daniel AU - Karl, Holger AU - Wolisz, Adam ID - 868 T2 - 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 TI - Applying ad-hoc relaying to improve capacity, energy efficiency, and immission in infrastructure-based WLANs ER - TY - CONF AU - Festag, Andreas AU - Karl, Holger AU - Wolisz, Adam ID - 869 T2 - 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 TI - Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks ER - TY - CONF AU - Kubisch, Martin AU - Karl, Holger AU - Wolisz, Adam AU - Charlie Zhong, Lizhi AU - M. Rabaey, Jan ID - 870 T2 - 2003 IEEE Wireless Communications and Networking, WCNC 2003, New Orleans, LA, USA, 16-20 March, 2003 TI - Distributed algorithms for transmission power control in wireless sensor networks ER - TY - CONF AU - Drytkiewicz, Witold AU - Sroka, Steffen AU - Handziski, Vlado AU - Köpke, Andreas AU - Karl, Holger ID - 987 T2 - 3rd International OMNeT++ workshop TI - A mobility framework for omnet++ ER - TY - JOUR AU - Karl, Holger ID - 989 JF - Report of AG Mobikom WG7 TI - An overview of energy-efficiency techniques for mobile communication systems ER - TY - CONF AU - Gross, James AU - Klaue, Jirka AU - Karl, Holger AU - Wolisz, Adam ID - 991 T2 - Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th TI - Subcarrier allocation for variable bit rate video streams in wireless OFDM systems ER - TY - CONF AU - Karl, Holger AU - Löbbers, Marc AU - Nieberg, Tim ID - 994 T2 - Proc. Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing TI - A data aggregation framework for wireless sensor networks ER - TY - CONF AU - Klaue, Jirka AU - Gross, James AU - Karl, Holger AU - Wolisz, Adam ID - 999 T2 - 3rd Workshop of Applications and Services in Wireless Networks 2003 (ASWN 2003) TI - Semantic-aware link layer scheduling of mpeg-4 video streams in wireless systems ER - TY - CONF AU - Neumann, Axel AU - Fu, Xiaoming AU - Karl, Holger ID - 1008 T2 - Computer Communications, 2003. CCW 2003. Proceedings. 2003 IEEE 18th Annual Workshop on TI - Prototype implementation and performance evaluation of a QoS-conditionalized handoff scheme for mobile IPv6 networks ER - TY - CONF AU - Aguiar, Ana Cristina Costa AU - Hoene, Christian AU - Klaue, Jirka AU - Karl, Holger AU - Miesmer, Horst AU - Wolisz, Adam ID - 1024 T2 - Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC'03) TI - Channel-Aware Schedulers For Voip And Mpeg4 For Wireless Communications ER - TY - GEN AU - Karl, Holger AU - Mengesha, Seble AU - Hollos, Daniel ID - 2538 TI - Relaying in Wireless Access Networks ER - TY - CONF AU - Köpke, Andreas AU - Handziski, Vlado AU - Karl, Holger ID - 2541 T2 - Proc. 7th Wireless World Research Forum (WWRF) TI - Making sensor networks intelligent ER - TY - CONF AU - Miesmer, Horst AU - Sanneck, Henning AU - Aguier, Ana AU - Karl, Holger ID - 2544 T2 - Proc. of 6th Wireless World Forum TI - Concepts for a QoS-enabled, TCP/IP-oriented Link Layer in Beyond 3G Networks ER - TY - CONF AU - Hollos, D. AU - Karl, Holger ID - 2548 T2 - Proc. of 2nd Intl. OMNet Workshop TI - A HiperLAN/2 simulation model in OMNeT++ ER - TY - CONF AU - Ngo-Quynh, Thu AU - Karl, Holger AU - Wolisz, Adam AU - Rebensburg, Klaus ID - 1921 T2 - Proc. IST Mobile & Wireless Telecommunications Summit 2002. TI - New Scheduling Algorithm for Providing Proportional Jitter in Differentiated Service Network ER - TY - CONF AU - Fu, Xiaoming AU - Karl, Holger AU - Kappler, Cornelia ID - 871 T2 - NETWORKING 2002, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; and Mobile and Wireless Communications, Second International IFIP-TC6 Networking Conference, Pisa, Italy, May 19-24, 2002, Proceedings TI - QoS-Conditionalized Handoff for Mobile IPv6 ER - TY - CONF AU - Hollos, Daniel AU - Karl, Holger ID - 872 T2 - Mobile Ad-Hoc Netzwerke, 1. deutscher Workshop über Mobile Ad-Hoc Netzwerke WMAN 2002, 25.-26. März 2002 in Ulm TI - A protocol extension to HiperLAN/2 to support single-relay networks ER - TY - CONF AU - Xing, Wei AU - Karl, Holger AU - Wolisz, Adam AU - Müller, Harald ID - 990 T2 - In Proc. 5th Intl. Workshop The Internet Challenge: Technology and Applications TI - M-SCTP: Design and prototypical implementation of an end-to-end mobility concept ER -