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61 Publications


2024 | Journal Article | LibreCat-ID: 53531
Ghafouri S, Razavi K, Salmani M, et al. IPA: Inference Pipeline Adaptation to Achieve High Accuracy and Cost-Efficiency. Journal of Systems Research (JSys).
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2022 | Journal Article | LibreCat-ID: 32854
Redder A, Ramaswamy A, Karl H. Practical Network Conditions for the Convergence of Distributed Optimization. IFAC-PapersOnLine. 2022;55(13):133–138.
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2021 | Journal Article | LibreCat-ID: 21808 | OA
Schneider SB, Khalili R, Manzoor A, et al. Self-Learning Multi-Objective Service Coordination Using Deep Reinforcement Learning. Transactions on Network and Service Management. 2021. doi:10.1109/TNSM.2021.3076503
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2020 | Journal Article | LibreCat-ID: 16278
Nomikos N, Michailidis ET, Trakadas P, et al. A UAV-based moving 5G RAN for massive connectivity of mobile users and IoT devices. Vehicular Communications. 2020. doi:10.1016/j.vehcom.2020.100250
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2020 | Journal Article | LibreCat-ID: 16280
Li F, Yu D, Yang H, Yu J, Karl H, Cheng X. Multi-Armed-Bandit-Based Spectrum Scheduling Algorithms in Wireless Networks: A Survey. IEEE Wireless Communications. 2020:24-30. doi:10.1109/mwc.001.1900280
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2020 | Journal Article | LibreCat-ID: 13770
Karl H, Kundisch D, Meyer auf der Heide F, Wehrheim H. A Case for a New IT Ecosystem: On-The-Fly Computing. Business & Information Systems Engineering. 2020;62(6):467-481. doi:10.1007/s12599-019-00627-x
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2019 | Journal Article | LibreCat-ID: 8113 | OA
Peuster M, Dröge C, Boos C, Karl H. Joint testing and profiling of microservice-based network services using TTCN-3. ICT Express. 2019. doi:10.1016/j.icte.2019.02.001
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2019 | Journal Article | LibreCat-ID: 8795 | OA
Peuster M, Küttner H, Karl H. A flow handover protocol to support state migration in softwarized networks. International Journal of Network Management. 2019. doi:10.1002/nem.2067
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2019 | Journal Article | LibreCat-ID: 9823
Soenen T, Tavernier W, Peuster M, et al. Empowering Network Service Developers: Enhanced NFV DevOps and Programmable MANO. IEEE Communications Magazine. 2019:89-95. doi:10.1109/mcom.2019.1800810
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2019 | Journal Article | LibreCat-ID: 9824 | OA
Peuster M, Schneider SB, Zhao M, et al. Introducing Automated Verification and Validation for Virtualized Network Functions and Services. IEEE Communications Magazine. 2019:96-102. doi:10.1109/mcom.2019.1800873
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2019 | Journal Article | LibreCat-ID: 15741
Leong AS, Ramaswamy A, Quevedo DE, Karl H, Shi L. Deep reinforcement learning for wireless sensor scheduling in cyber–physical systems. Automatica. 2019. doi:10.1016/j.automatica.2019.108759
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2019 | Journal Article | LibreCat-ID: 10325 | OA
Peuster M, Marchetti M, García de Blas G, Karl H. Automated testing of NFV orchestrators against carrier-grade multi-PoP scenarios using emulation-based smoke testing. EURASIP Journal on Wireless Communications and Networking. 2019. doi:10.1186/s13638-019-1493-2
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2018 | Journal Article | LibreCat-ID: 3152 | OA
Dräxler S, Karl H, Mann ZA. JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services. IEEE Transactions on Network and Service Management. 2018. doi:10.1109/TNSM.2018.2846572
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2017 | Journal Article | LibreCat-ID: 58 | OA
Dräxler S, Karl H. Specification, Composition, and Placement of Network Services with Flexible Structures. International Journal of Network Management. 2017;(2):1--16. doi:10.1002/nem.1963
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2017 | Journal Article | LibreCat-ID: 64
Keller M, Karl H. Response-Time-Optimised Service Deployment: MILP Formulations of Piece-wise Linear Functions Approximating Non-linear Bivariate Mixed-integer Functions. IEEE Transactions on Network and Service Management. 2017;(1):121--135. doi:10.1109/TNSM.2016.2611590
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2016 | Journal Article | LibreCat-ID: 714 | OA
Karl H, Dräxler S, Peuster M, et al. DevOps for network function virtualisation: an architectural approach. Transactions on Emerging Telecommunications Technologies. 2016;27(9):1206-1215. doi:10.1002/ett.3084
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2016 | Journal Article | LibreCat-ID: 726
Wette P, Karl H. DCT2Gen: A traffic generator for data centers. Computer Communications. 2016:45--58. doi:10.1016/j.comcom.2015.12.001
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2016 | Journal Article | LibreCat-ID: 1373
Herlich M, Bredenbals N, Karl H. Delayed (de-)activation in servers with a sleep mode. Sustainable Computing: Informatics and Systems. 2016;10:48-55. doi:10.1016/j.suscom.2016.04.002
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2014 | Journal Article | LibreCat-ID: 467
Künsemöller J, Karl H. A Game-Theoretic Approach to the Financial Benefits of Infrastructure-as-a-Service. Future Generation Computer Systems. 2014:44--52. doi:10.1016/j.future.2014.03.005
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2014 | Journal Article | LibreCat-ID: 753
Beister F, Dräxler M, Aelken J, Karl H. Power model design for ICT systems -- A generic approach. Computer Communications. 2014:77--85. doi:10.1016/j.comcom.2014.02.007
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2014 | Journal Article | LibreCat-ID: 754
Azeem M. Khan R, Karl H. MAC Protocols for Cooperative Diversity in Wireless LANs and Wireless Sensor Networks. IEEE Communications Surveys and Tutorials. 2014;(1):46--63. doi:10.1109/SURV.2013.042313.00067
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2014 | Journal Article | LibreCat-ID: 1375
Beister F, Dräxler M, Aelken J, Karl H. Power model design for ICT systems – A generic approach. Computer Communications. 2014;50:77-85. doi:10.1016/j.comcom.2014.02.007
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2013 | Journal Article | LibreCat-ID: 770
Dannewitz C, Kutscher D, Ohlman B, Farrell S, Ahlgren B, Karl H. Network of Information (NetInf) - An information-centric networking architecture. Computer Communications. 2013;(7):721--735. doi:10.1016/j.comcom.2013.01.009
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2013 | Journal Article | LibreCat-ID: 771
Dräxler M, Biermann T, Karl H. Improving Cooperative Transmission Feasibility by Network Reconfiguration in Limited Backhaul Networks. International Journal of Wireless Information Networks. 2013;(3):183--194. doi:10.1007/s10776-013-0207-7
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2013 | Journal Article | LibreCat-ID: 769
Biermann T, Scalia L, Choi C, Kellerer W, Karl H. How backhaul networks influence the feasibility of coordinated multipoint in cellular networks. {IEEE} Communications Magazine. 2013;(8). doi:10.1109/MCOM.2013.6576356
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2012 | Journal Article | LibreCat-ID: 782
Biermann T, Scalia L, Choi C, Karl H, Kellerer W. CoMP clustering and backhaul limitations in cooperative cellular mobile access networks. Pervasive and Mobile Computing. 2012;(5):662--681. doi:10.1016/j.pmcj.2012.03.005
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2012 | Journal Article | LibreCat-ID: 783
Willig A, Karl H, Kipnis D. Segment-based packet combining: how to schedule a dense relayer cluster? Wireless Networks. 2012;(2):199--213. doi:10.1007/s11276-011-0395-y
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2011 | Journal Article | LibreCat-ID: 793
Ahlgren B, A. Aranda-Gutierrez P, Chemouil P, et al. Content, connectivity, and cloud: ingredients for the network of the future. IEEE Communications Magazine. 2011;(7):62--70. doi:10.1109/MCOM.2011.5936156
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2011 | Journal Article | LibreCat-ID: 794
Conti M, Chong S, Fdida S, et al. Research challenges towards the Future Internet. Computer Communications. 2011;(18):2115--2134. doi:10.1016/j.comcom.2011.09.001
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2011 | Journal Article | LibreCat-ID: 1615
Warneke D, Dannewitz C. Load Balancing in P2P Networks: Using Statistics to Fight Data and Execution Skew. Journal of Advances in Information Technology. 2011;2(1). doi:10.4304/jait.2.1.40-49
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2011 | Journal Article | LibreCat-ID: 1376
Dannewitz C, Biermann T, Dräxler M, Karl H. Complex Queries in P2P Networks with Resource-Constrained Devices. Journal of Advances in Information Technology. 2011;2(1). doi:10.4304/jait.2.1.2-14
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2010 | Journal Article | LibreCat-ID: 1831
Valentin S, Karl H. Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study. European Transactions on Telecommunications. 2010;21(8):714-724. doi:10.1002/ett.1454
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2010 | Journal Article | LibreCat-ID: 805
Valentin S, Karl H. Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study. European Transactions on Telecommunications. 2010;(8):714--724. doi:10.1002/ett.1454
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2010 | Journal Article | LibreCat-ID: 806
S. Lichte H, Valentin S, Karl H. Expected interference in wireless networks with geometric path loss: a closed-form approximation. IEEE Communications Letters. 2010;(2):130--132. doi:10.1109/LCOMM.2010.02.091863
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2010 | Journal Article | LibreCat-ID: 807
Simon Lichte H, Valentin S, Karl H. Automated Development of Cooperative MAC Protocols - A Compiler-Assisted Approach. Mobile Networks and Applications. 2010;(6):769--785. doi:10.1007/s11036-009-0210-5
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2009 | Journal Article | LibreCat-ID: 814
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
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2009 | Journal Article | LibreCat-ID: 815
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
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2007 | Journal Article | LibreCat-ID: 830
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
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2007 | Journal Article | LibreCat-ID: 1018
Valentin S, Lichte HS, Karl H, et al. Implementing cooperative wireless networks. Cognitive Wireless Networks. 2007:155--178. doi:10.1007/978-1-4020-5979-7_8
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2006 | Journal Article | LibreCat-ID: 837
Hoene C, Karl H, Wolisz A. A perceptual quality model intended for adaptive VoIP applications. Int J Communication Systems. 2006;(3):299--316. doi:10.1002/dac.755
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2006 | Journal Article | LibreCat-ID: 838
Gross J, Geerdes H-}Florian, Karl H, Wolisz A. Performance analysis of dynamic OFDMA systems with inband signaling. IEEE Journal on Selected Areas in Communications. 2006;(3):427--436. doi:10.1109/JSAC.2005.862386
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2006 | Journal Article | LibreCat-ID: 839
Carlson E, Prehofer C, Bettstetter C, Karl H, Wolisz A. A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks. IEEE Journal on Selected Areas in Communications. 2006;(11):2018--2027. doi:10.1109/JSAC.2006.881633
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2005 | Journal Article | LibreCat-ID: 842
Ebert J-P, Hollos D, Karl H, Löbbers M. Does Multi-Hop Communication Reduce Electromagnetic Exposure? Comput J. 2005;(1):72--83. doi:10.1093/comjnl/bxh062
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2005 | Journal Article | LibreCat-ID: 843
Savoric M, Karl H, Schläger M, Poschwatta T, Wolisz A. Analysis and performance evaluation of the EFCM common congestion controller for TCP connections. Computer Networks. 2005;(2):269--294. doi:10.1016/j.comnet.2005.01.012
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2005 | Journal Article | LibreCat-ID: 844
Gross J, Valentin S, Karl H, Wolisz A. A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system. European Transactions on Telecommunications. 2005;(1):37--49. doi:10.1002/ett.1030
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2005 | Journal Article | LibreCat-ID: 845
Karl H, Lentsch T, Ritter H. Drahtlose Sensornetze. Praxis der Informationsverarbeitung und Kommunikation. 2005;(2):66--67. doi:10.1515/PIKO.2005.66
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2005 | Journal Article | LibreCat-ID: 846
Willig A, Karl H. Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions. Praxis der Informationsverarbeitung und Kommunikation. 2005;(2):86--92. doi:10.1515/PIKO.2005.86
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2005 | Journal Article | LibreCat-ID: 1378
Gross J, Valentin S, Karl H, Wolisz A. A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system. European Transactions on Telecommunications. 2005;16(1):37-49. doi:10.1002/ett.1030
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2004 | Journal Article | LibreCat-ID: 850
Gross J, Klaue J, Karl H, Wolisz A. Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming. Computer Communications. 2004;(11):1044--1055. doi:10.1016/j.comcom.2004.01.010
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2004 | Journal Article | LibreCat-ID: 851
Niebert N, Schieder A, Abramowicz H, et al. Ambient networks: An architecture for communication networks beyond 3G. IEEE Wireless Communications. 2004;(2):14--22. doi:10.1109/MWC.2004.1295733
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