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362 Publications


2003 | Conference Paper | LibreCat-ID: 2535
Drytkiewicz, Witold , Steffen Sroka, Vlado Handzisk, Andreas Köpke, and Holger Karl. “A Mobility Frame Work for OMNeT++.” In Proc. of 3rd International OMNeT++ Workshop at Budapest University of Technology and Economics, 2003.
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2003 | Conference Paper | LibreCat-ID: 1913
Fu, X., T. Chen, A. Festag, Holger Karl, G. Schäfer, and C. Fan. “Secure, QoS-Enabled Mobility Support for IP-Based Networks.” In Proceedings IP Based Cellular Network Conference IPCN, Paris / France, Dezember , 2003.
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2003 | Conference Paper | LibreCat-ID: 1914
Geerdes, Hans-Florian, and Holger Karl. “The Potential of Relaying in Cellular Networks .” In Proceedings of INOC 2003, Evry/Paris, 2003.
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2003 | Conference Paper | LibreCat-ID: 1917
Aguiar, Ana, Christian Hoene, Jirka Klaue, Holger Karl, Horst Miesmer, and Adam Wolisz. “Channel-Aware Schedulers for VoIP and MPEG4 Based on Channel Prediction.” In Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC’03), 2003.
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2003 | Journal Article | LibreCat-ID: 860
Savoric, Michael, Holger Karl, and Adam Wolisz. “The TCP Control Block Interdependence in Fixed Networks - New Performance Results.” Computer Communications, no. 4 (2003): 366--375. https://doi.org/10.1016/S0140-3664(02)00155-X.
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2003 | Journal Article | LibreCat-ID: 861
Zirwas, Wolfgang, J. Habetha, and Holger Karl. “Ziel-Orientierter Entwurf von Multi-Hop Medienzugriffsprotokollen.” Praxis Der Informationsverarbeitung Und Kommunikation, no. 4 (2003): 184--189. https://doi.org/10.1515/PIKO.2003.184.
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2003 | Conference Paper | LibreCat-ID: 862
Aguiar, Ana, Holger Karl, Adam Wolisz, and Horst Miesmer. “A Framework for Evaluating Effects of Channel Prediction Inaccuracy on the Performance of Channel Adaptive Techniques.” In Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, {USA}, 3--9, 2003.
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2003 | Conference Paper | LibreCat-ID: 863
Gross, James, Holger Karl, Frank H. P. Fitzek, and Adam Wolisz. “Comparison of Heuristic and Optimal Subcarrier Assignment Algorithms.” In Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, {USA}, 249--255, 2003.
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2003 | Conference Paper | LibreCat-ID: 864
J. M. Havinga, Paul, Sandro Etalle, Holger Karl, Chiara Petrioli, Michele Zorzi, Harry Kip, and Thomas Lentsch. “EYES} - Energy Efficient Sensor Networks.” In Personal Wireless Communications, IFIP-TC6 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings, 198--201, 2003. https://doi.org/10.1007/978-3-540-39867-7_20.
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2003 | Conference Paper | LibreCat-ID: 865
Kubisch, Martin, Holger Karl, and Adam Wolisz. “Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-Hop Networks?” In Personal Wireless Communications, {IFIP-TC6} 8th International Conference, {PWC} 2003, Venice, Italy, September 23-25, 2003, Proceedings, 841--846, 2003. https://doi.org/10.1007/978-3-540-39867-7_78.
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2003 | Conference Paper | LibreCat-ID: 866
Köpke, Andreas, Andreas Willig, and Holger Karl. “Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels.” In 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, 513--523, 2003. https://doi.org/10.1109/INFCOM.2003.1208702.
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2003 | Conference Paper | LibreCat-ID: 867
Sroka, Steffen, and Holger Karl. “Performance Evaluation of a QoS-Aware Handover Mechanism.” In Proceedings of the Eighth IEEE Symposium on Computers and Communications (ISCC 2003), 30 June - 3 July 2003, Kiris-Kemer, Turkey, 117--124, 2003. https://doi.org/10.1109/ISCC.2003.1214110.
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2003 | Conference Paper | LibreCat-ID: 868
Kubisch, Martin, Seble Mengesha, Daniel Hollos, Holger Karl, and Adam Wolisz. “Applying Ad-Hoc Relaying to Improve Capacity, Energy Efficiency, and Immission in Infrastructure-Based WLANs.” In 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, 195--206, 2003. https://doi.org/10.1007/978-3-642-55569-5_16.
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2003 | Conference Paper | LibreCat-ID: 869
Festag, Andreas, Holger Karl, and Adam Wolisz. “Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks.” In 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, 233--244, 2003. https://doi.org/10.1007/978-3-642-55569-5_19.
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2003 | Conference Paper | LibreCat-ID: 870
Kubisch, Martin, Holger Karl, Adam Wolisz, Lizhi Charlie Zhong, and Jan M. Rabaey. “Distributed Algorithms for Transmission Power Control in Wireless Sensor Networks.” In 2003 IEEE Wireless Communications and Networking, WCNC 2003, New Orleans, LA, USA, 16-20 March, 2003, 558--563, 2003. https://doi.org/10.1109/WCNC.2003.1200410.
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2003 | Conference Paper | LibreCat-ID: 987
Drytkiewicz, Witold, Steffen Sroka, Vlado Handziski, Andreas Köpke, and Holger Karl. “A Mobility Framework for Omnet++.” In 3rd International OMNeT++ Workshop, 2003.
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2003 | Journal Article | LibreCat-ID: 989
Karl, Holger. “An Overview of Energy-Efficiency Techniques for Mobile Communication Systems.” Report of AG Mobikom WG7, 2003.
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2003 | Conference Paper | LibreCat-ID: 991
Gross, James, Jirka Klaue, Holger Karl, and Adam Wolisz. “Subcarrier Allocation for Variable Bit Rate Video Streams in Wireless OFDM Systems.” In Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th, 2481--2485, 2003.
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2003 | Conference Paper | LibreCat-ID: 994
Karl, Holger, Marc Löbbers, and Tim Nieberg. “A Data Aggregation Framework for Wireless Sensor Networks.” In Proc. Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing, 2003.
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2003 | Conference Paper | LibreCat-ID: 999
Klaue, Jirka, James Gross, Holger Karl, and Adam Wolisz. “Semantic-Aware Link Layer Scheduling of Mpeg-4 Video Streams in Wireless Systems.” In 3rd Workshop of Applications and Services in Wireless Networks 2003 (ASWN 2003), 2003.
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2003 | Conference Paper | LibreCat-ID: 1008
Neumann, Axel, Xiaoming Fu, and Holger Karl. “Prototype Implementation and Performance Evaluation of a QoS-Conditionalized Handoff Scheme for Mobile IPv6 Networks.” In Computer Communications, 2003. CCW 2003. Proceedings. 2003 IEEE 18th Annual Workshop On, 24--29, 2003.
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2003 | Conference Paper | LibreCat-ID: 1024
Aguiar, Ana Cristina Costa, Christian Hoene, Jirka Klaue, Holger Karl, Horst Miesmer, and Adam Wolisz. “Channel-Aware Schedulers For Voip And Mpeg4 For Wireless Communications.” In Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC’03), 2003.
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2002 | Report | LibreCat-ID: 2538
Karl, Holger, Seble Mengesha, and Daniel Hollos. Relaying in Wireless Access Networks . London: Business Briefing: Wireless Technology 2002, 2002.
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2002 | Conference Paper | LibreCat-ID: 2541
Köpke, Andreas, Vlado Handziski, and Holger Karl. “ Making Sensor Networks Intelligent.” In Proc. 7th Wireless World Research Forum (WWRF). Eindhoven/Netherlands, 2002.
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2002 | Conference Paper | LibreCat-ID: 2544
Miesmer, Horst, Henning Sanneck, Ana Aguier, and Holger Karl. “Concepts for a QoS-Enabled, TCP/IP-Oriented Link Layer in Beyond 3G Networks.” In Proc. of 6th Wireless World Forum. London / GB, 2002.
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2002 | Conference Paper | LibreCat-ID: 2548
Hollos, D., and Holger Karl. “A HiperLAN/2 Simulation Model in OMNeT++.” In Proc. of 2nd Intl. OMNet Workshop. Berlin , 2002.
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2002 | Conference Paper | LibreCat-ID: 1921
Ngo-Quynh, Thu, Holger Karl, Adam Wolisz, and Klaus Rebensburg. “New Scheduling Algorithm for Providing Proportional Jitter in  Differentiated Service Network .” In Proc. IST Mobile & Wireless Telecommunications Summit 2002., 2002.
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2002 | Conference Paper | LibreCat-ID: 871
Fu, Xiaoming, Holger Karl, and Cornelia Kappler. “QoS-Conditionalized Handoff for Mobile IPv6.” In 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, 721--730, 2002. https://doi.org/10.1007/3-540-47906-6_58.
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2002 | Conference Paper | LibreCat-ID: 872
Hollos, Daniel, and Holger Karl. “A Protocol Extension to HiperLAN/2 to Support Single-Relay Networks.” In Mobile Ad-Hoc Netzwerke, 1. Deutscher Workshop Über Mobile Ad-Hoc Netzwerke WMAN 2002, 25.-26. März 2002 in Ulm, 91--107, 2002.
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2002 | Conference Paper | LibreCat-ID: 990
Xing, Wei, Holger Karl, Adam Wolisz, and Harald Müller. “M-SCTP: Design and Prototypical Implementation of an End-to-End Mobility Concept.” In In Proc. 5th Intl. Workshop The Internet Challenge: Technology and Applications, 43, 2002.
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2002 | Conference Paper | LibreCat-ID: 1001
Quynh, Thu Ngo, Holger Karl, Adam Wolisz, and Klaus Rebensburg. “Using Only Proportional Jitter Scheduling at the Boundary of a Differentiated Service Network: Simple and Efficient.” In Universal Multiservice Networks, 2002. ECUMN 2002. 2nd European Conference On, 116--123, 2002.
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2002 | Conference Paper | LibreCat-ID: 1009
Sroka, Steffen, and Holger Karl. “Using Akaroa2 with Omnet++.” In 2nd International OMNeT++ Workshop, Berlin, Germany, 2002.
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2002 | Journal Article | LibreCat-ID: 1014
Ngo-Quynh, Thu, Holger Karl, Adam Wolisz, and Klaus Rebensburg. “New Scheduling Algorithm for Providing Proportional Jitter in Differentiated Services Network.” Proceedings of IST Mobile Communication and Wireless Telecommunications Summit, Thessaloniki, Greece, 2002.
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2002 | Conference Paper | LibreCat-ID: 1020
Aguiar, A, Holger Karl, and Adam Wolisz. “Effects of Prediction Inaccuracy on the Performance of Channelstate-Aware Link Layer Schedulers.” In Proc. of 1st Intl. Conf. on Mobile and Ubiquitous Multimedia, 21--33, 2002.
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2001 | Conference Paper | LibreCat-ID: 2552
Karl, Holger. “Relaying in Wireless Access Networks –  A Capacity and Energy-Efficiency Perspective .” In Proc. Wireless World Research Forum Kickoff Meeting (WWRF). München, 2001.
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2001 | Conference Paper | LibreCat-ID: 2554
Karl, Holger. “Relaying ñ Bad for Energy,  Good for Capacity?” Rom/Italy: Eork-in-progress session of mobicom 2001, 2001.
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2001 | Conference Paper | LibreCat-ID: 2556
Karl, Holger, and T. Hentschel. “IBMS 2 - Integriertes Bandbreiteneffizientes Mobiles Software-Radio System.” In Zukunftsperspektiven Der Mobilkommunikation, Symposium Bundesministerium Für Bildung Und Forschung, 2001.
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2001 | Conference Paper | LibreCat-ID: 873
Mengesha, Seble, Holger Karl, and Adam Wolisz. “Improving Goodput by Relaying in Transmission-Power-Limited Wireless Systems.” In GI Jahrestagung (1), 537--544, 2001.
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2001 | Conference Paper | LibreCat-ID: 995
Karl, Holger, and Seble Mengesha. “Analysing Capacity Improvements in Wireless Networks by Relaying.” In Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks, 339--348, 2001.
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2001 | Conference Paper | LibreCat-ID: 996
Quynh, T, Holger Karl, Adam Wolisz, and Klaus Rebensburg. “Relative Jitter Packet Scheduling for Differentiated Services.” In Proc. 9th IFIP Conf. Perf. Modeling and Eval. of ATM & IP Networks, 2001.
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2001 | Conference Paper | LibreCat-ID: 1016
Quynh, Thu Ngo, Holger Karl, Adam Wolisz, and Klaus Rebensburg. “The Influence of Proportional Jitter and Delay on End to End Delay in Differentiated Service Network.” In Network Computing and Applications, 2001. NCA 2001. IEEE International Symposium On, 354--357, 2001.
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2000 | Conference Paper | LibreCat-ID: 1920
Karl, Holger, Andreas Polze, and Matthias Werner. “Predictable Network Computing Using Message-Driven Scheduling.” In Proc. the Workshop on Run-Time Systems for Parallel Programming, 2000.
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1999 | Conference Paper | LibreCat-ID: 874
Karl, Holger. “Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project.” In High-Performance Computing and Networking, 7th International Conference, HPCN Europe 1999, Amsterdam, The Netherlands, April 12-14, 1999, Proceedings, 841--850, 1999. https://doi.org/10.1007/BFb0100644.
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1999 | Conference Paper | LibreCat-ID: 875
Karl, Holger. “Coscheduling through Synchronized Scheduling Servers -- A Prototype and Experiments.” In Parallel and Distributed Processing, 11 IPPS/SPDP’99 Workshops Held in Conjunction with the 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing, San Juan, Puerto Rico, USA, April 12-16, 1999, Proceedings, 1115--1129, 1999. https://doi.org/10.1007/BFb0097997.
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1998 | Journal Article | LibreCat-ID: 876
Karl, Holger. “Bridging the Gap between Distributed Shared Memory and Message Passing.” Concurrency - Practice and Experience, no. 11–13 (1998): 887--900. https://doi.org/10.1002/(SICI)1096-9128(199809/11)10:11/13<887::AID-CPE416>3.0.CO;2-0.
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1998 | Journal Article | LibreCat-ID: 877
Baratloo, Arash, Mehmet Karaul, Holger Karl, and Zvi M. Kedem. “An Infrastructure for Network Computing with Java Applets.” Concurrency -- Practice and Experience, no. 11–13 (1998): 1029--1041. https://doi.org/10.1002/(SICI)1096-9128(199809/11)10:11/13<1029::AID-CPE412>3.0.CO;2-U.
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1998 | Journal Article | LibreCat-ID: 878
Karl, Holger, Matthias Werner, and Lars Küttner. “Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults.” IEEE Proceedings -- Software, no. 6 (1998): 219--227. https://doi.org/10.1049/ip-sen:19982443.
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1998 | Conference Paper | LibreCat-ID: 879
Karl, Holger, Matthias Werner, and Lars Kuttner. “An Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults.” In 24th EUROMICRO ’98 Conference, Engineering Systems and Software for the Next Decade, 25-27 August 1998, Vesteras, Sweden, 10468--10475, 1998. https://doi.org/10.1109/EURMIC.1998.711841.
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1998 | Conference Paper | LibreCat-ID: 1012
Karl, Holger, and Matthias Werner. “An Optimal Checkpointing Interval for Real-Time Systems.” In Proc. Intl. Conf. Parallel and Distributed Processing Techniques and Applications, 604--612, 1998.
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1997 | Journal Article | LibreCat-ID: 1445
Baratloo, A., M. Karaul, Holger Karl, and Z.M. Kedem. “KnittingFactory: An Infrastructure for Distributed Web Applications.” Technical Report, 1997.
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1996 | Conference Paper | LibreCat-ID: 1918
Dreier, Bernd, Annja Huber, Markus Zahn, Holger Karl, and Theo Ungerer. “ReGTime - Rent Gigaflops SomeTimes.” In Proceedings Trends in Distributed Systems, 1996.
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1996 | Conference Paper | LibreCat-ID: 880
Dreier, Bernd, Annja Huber, Holger Karl, Theo Ungerer, and Markus Zahn. “ReGTime - Rent Gigaflops SomeTimes.” In Trends in Distributed Systems: CORBA and Beyond, International Workshop TreDS ’96, Aachen, Germany, October 1-2, 1996, Proceedings, 84--93, 1996. https://doi.org/10.1007/3-540-61842-2_28.
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