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351 Publications


2005 | Journal Article | LibreCat-ID: 844
Gross, James, Stefan Valentin, Holger Karl, and Adam Wolisz. “A Study of Impact of Inband Signalling and Realistic Channel Knowledge for an Example Dynamic OFDM-FDMA System.” European Transactions on Telecommunications, no. 1 (2005): 37--49. https://doi.org/10.1002/ett.1030.
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2005 | Journal Article | LibreCat-ID: 845
Karl, Holger, Thomas Lentsch, and Hartmut Ritter. “Drahtlose Sensornetze.” Praxis Der Informationsverarbeitung Und Kommunikation, no. 2 (2005): 66--67. https://doi.org/10.1515/PIKO.2005.66.
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2005 | Journal Article | LibreCat-ID: 846
Willig, Andreas, and Holger Karl. “Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions.” Praxis Der Informationsverarbeitung Und Kommunikation, no. 2 (2005): 86--92. https://doi.org/10.1515/PIKO.2005.86.
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2005 | Conference Paper | LibreCat-ID: 847
Kopke, Andreas, Holger Karl, and Marc Lobbers. “Using Energy Where It Counts: Protecting Important Messages in the Link Layer.” In Wireless Sensor Networks, Second European Workshop, EWSN 2005, Istanbul, Turkey, January 31 - February 2, 2005, Proceedings, 226--235, 2005. https://doi.org/10.1109/EWSN.2005.1462015.
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2005 | Book Chapter | LibreCat-ID: 848
Karl, Holger. “Ad Hoc Networks.” In The Industrial Information Technology Handbook, 1--16, 2005.
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2005 | Conference Paper | LibreCat-ID: 1013
Valentin, Stefan, James Gross, Holger Karl, and Adam Wolisz. “Adaptive Scheduling for Heterogeneous Traffic Flows in Cellular Wireless OFDM-FDMA Systems.” In 10th IFIP International Conference on Personal Wireless Communications/PWC’05, Comar, France, 2005, 2005.
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2005 | Journal Article | LibreCat-ID: 1378
Gross, James, Stefan Valentin, Holger Karl, and Adam Wolisz. “A Study of Impact of Inband Signalling and Realistic Channel Knowledge for an Example Dynamic OFDM-FDMA System.” European Transactions on Telecommunications 16, no. 1 (2005): 37–49. https://doi.org/10.1002/ett.1030.
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2004 | Conference Paper | LibreCat-ID: 2529
Köpke, A., Holger Karl, and A. Wolisz. “Consensus in WSN – Identifying Critical Protocol Mechanisms.” In GI / ITG Fachgespräche Drahtlose Sensornetzwerke, 2004.
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2004 | Conference Paper | LibreCat-ID: 1911
Aguiar, Ana, Holger Karl, and Adam Wolisz. “Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy.” In Proceedings of European Wireless 2004, Barcelona / Spain , 2004.
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2004 | Journal Article | LibreCat-ID: 850
Gross, James, Jirka Klaue, Holger Karl, and Adam Wolisz. “Cross-Layer Optimization of OFDM Transmission Systems for MPEG-4 Video Streaming.” Computer Communications, no. 11 (2004): 1044--1055. https://doi.org/10.1016/j.comcom.2004.01.010.
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2004 | Journal Article | LibreCat-ID: 851
Niebert, Norbert, Andreas Schieder, Henrik Abramowicz, G. Malmgren, Joachim Sachs, Uwe Horn, Christian Prehofer, and Holger Karl. “Ambient Networks: An Architecture for Communication Networks beyond 3G.” IEEE Wireless Communications, no. 2 (2004): 14--22. https://doi.org/10.1109/MWC.2004.1295733.
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2004 | Conference Paper | LibreCat-ID: 852
Handziski, Vlado, Andreas Köpke, Holger Karl, Christian Frank, and Witold Drytkiewicz. “Improving the Energy Efficiency of Directed Diffusion Using Passive Clustering.” In Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings, 172--187, 2004. https://doi.org/10.1007/978-3-540-24606-0_12.
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2004 | Conference Paper | LibreCat-ID: 853
Typpö, Ville, Jochen Eisl, Jan Höller, Ramon Agüero, and Holger Karl. “Research Challenges in Mobility and Moving Networks: An Ambient Networks View.” In 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, 145--155, 2004. https://doi.org/10.1007/0-387-24043-8_15.
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2004 | Conference Paper | LibreCat-ID: 854
Frank, Christian, and Holger Karl. “Consistency Challenges of Service Discovery in Mobile Ad Hoc Networks.” In Proceedings of the 7th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2004, Venice, Italy, October 4-6, 2004, 105--114, 2004. https://doi.org/10.1145/1023663.1023684.
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2004 | Conference Paper | LibreCat-ID: 855
Marie Feeney, Laura, Daniel Hollos, Martin Kubisch, Seble Mengesha, and Holger Karl. “A Geometric Derivation of the Probability of Finding a Relay in Multi-Rate Networks.” In 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, 1312--1317, 2004. https://doi.org/10.1007/978-3-540-24693-0_112.
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2004 | Conference Paper | LibreCat-ID: 856
Hollos, Daniel, Holger Karl, and Adam Wolisz. “Regionalizing Global Optimization Algorithms to Improve the Operation of Large Ad Hoc Networks.” In 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004, 819--824, 2004. https://doi.org/10.1109/WCNC.2004.1311292.
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2004 | Conference Paper | LibreCat-ID: 857
Raguin, David, Martin Kubisch, Holger Karl, and Adam Wolisz. “Queue-Driven Cut-through Medium Access in Wireless Ad Hoc Networks.” In 2004 IEEE Wireless Communications and Networking Conference , WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004, 1909--1914, 2004. https://doi.org/10.1109/WCNC.2004.1311845.
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2004 | Book Chapter | LibreCat-ID: 858
Karl, Holger. “Data Transmission in Mobile Communication Systems.” In Location-Based Services, 207--244, 2004.
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2004 | Conference (Editor) | LibreCat-ID: 859
Karl, Holger, Andreas Willig, and Adam Wolisz, eds. Wireless Sensor Networks. Lecture Notes in Computer Science. First European Workshop, {EWSN} 2004, Berlin, Germany, January 19-21, 2004, Proceedings, 2004. https://doi.org/10.1007/b94854.
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2004 | Conference Paper | LibreCat-ID: 988
Niebert, Norbert, Hannu Flinck, Robert Hancock, Holger Karl, and Christian Prehofer. “Ambient Networks--Research for Communication Networks Beyond 3G.” In 13th IST Mobile and Wireless Communications-Summit 2004, 2004.
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2004 | Conference Paper | LibreCat-ID: 992
Gross, James, Irene Paoluzzi, Holger Karl, and Adam Wolisz. “Throughput Study for a Dynamic OFDM-FDMA System with Inband Signaling.” In Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th, 1787--1791, 2004.
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2004 | Journal Article | LibreCat-ID: 993
Klimin, Nikolay, Wilfried Enkelmann, Holger Karl, and Adam Wolisz. “A Hybrid Approach for Location-Based Service Discovery in Vehicular Ad Hoc Networks.” Proc. of WIT, 2004.
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2004 | Conference Paper | LibreCat-ID: 997
Carlson, Emma, Holger Karl, Adam Wolisz, and Christian Prehofer. “Distributed Allocation of Time Slots for Real-Time Traffic in a Wireless Multi-Hop Network.” In Proc. European Wireless, 2004.
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2004 | Journal Article | LibreCat-ID: 998
Mengesha, Seble, Holger Karl, and Adam Wolisz. “Capacity Increase of Multi-Hop Cellular Wlans Exploiting Data Rate Adaptation and Frequency Recycling.” Proc. of MedHocNet 2004, 2004.
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2004 | Conference Paper | LibreCat-ID: 1002
Carlson, Emma, Christian Bettstetter, Holger Karl, Christian Prehofer, and Adam Wolisz. “Distributed Maintenance of Resource Reservation Paths in Multihop 802.11 Networks.” In Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th, 2994--2998, 2004.
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2004 | Conference Paper | LibreCat-ID: 1006
Gross, James, Holger Karl, and Adam Wolisz. “On the Effect of Inband Signaling and Realistic Channel Knowledge on Dynamic OFDM-FDMA Systems.” In European Wireless 2004, 2004.
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2004 | Journal Article | LibreCat-ID: 1017
Kubisch, Martin, Holger Karl, and Adam Wolisz. “A MAC Protocol for Wireless Sensor Networks with Multiple Selectable, Fixed-Orientation Antennas.” Frequenz, no. 3–4 (2004): 92--96. https://doi.org//10.1.1.3.3185.
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2004 | Conference Paper | LibreCat-ID: 1019
Gross, James, Holger Karl, and Adam Wolisz. “Throughput Optimization of Dynamic OFDM-FDMA Systems with Inband Signaling.” In 2nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks 2004 (WiOpt 2004), 2004.
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2003 | Report | LibreCat-ID: 2533
Handziski, Vlado, Andreas Köpke, Holger Karl, and Adam Wolisz. A Common Wireless Sensor Network Architecture? Berlin, 2003.
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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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