S. Ghafouri et al., “IPA: Inference Pipeline Adaptation to Achieve High Accuracy and Cost-Efficiency,” Journal of Systems Research (JSys).
LibreCat: /record/53531

A. Redder, A. Ramaswamy, and H. Karl, “Practical Network Conditions for the Convergence of Distributed Optimization,” IFAC-PapersOnLine, vol. 55, no. 13, pp. 133–138, 2022.
LibreCat: /record/32854

S. B. Schneider et al., “Self-Learning Multi-Objective Service Coordination Using Deep Reinforcement Learning,” Transactions on Network and Service Management, 2021.
LibreCat: /record/21808
DOI: 10.1109/TNSM.2021.3076503

N. Nomikos et al., “A UAV-based moving 5G RAN for massive connectivity of mobile users and IoT devices,” Vehicular Communications, 2020.
LibreCat: /record/16278
DOI: 10.1016/j.vehcom.2020.100250

F. Li, D. Yu, H. Yang, J. Yu, H. Karl, and X. Cheng, “Multi-Armed-Bandit-Based Spectrum Scheduling Algorithms in Wireless Networks: A Survey,” IEEE Wireless Communications, pp. 24–30, 2020.
LibreCat: /record/16280
DOI: 10.1109/mwc.001.1900280

H. Karl, D. Kundisch, F. Meyer auf der Heide, and H. Wehrheim, “A Case for a New IT Ecosystem: On-The-Fly Computing,”10.1007/s12599-019-00627-x__Business &; Information Systems Engineering, vol. 62, no. 6, pp. 467–481, 2020, doi:10.1007/s12599-019-00627-x .
LibreCat: /record/13770
DOI: 10.1007/s12599-019-00627-x

M. Peuster, C. Dröge, C. Boos, and H. Karl, “Joint testing and profiling of microservice-based network services using TTCN-3,” ICT Express, 2019.
LibreCat: /record/8113
DOI: 10.1016/j.icte.2019.02.001

M. Peuster, H. Küttner, and H. Karl, “A flow handover protocol to support state migration in softwarized networks,” International Journal of Network Management, 2019.
LibreCat: /record/8795
DOI: 10.1002/nem.2067

T. Soenen et al., “Empowering Network Service Developers: Enhanced NFV DevOps and Programmable MANO,” IEEE Communications Magazine, pp. 89–95, 2019.
LibreCat: /record/9823
DOI: 10.1109/mcom.2019.1800810

M. Peuster et al., “Introducing Automated Verification and Validation for Virtualized Network Functions and Services,” IEEE Communications Magazine, pp. 96–102, 2019.
LibreCat: /record/9824
DOI: 10.1109/mcom.2019.1800873

A. S. Leong, A. Ramaswamy, D. E. Quevedo, H. Karl, and L. Shi, “Deep reinforcement learning for wireless sensor scheduling in cyber–physical systems,” Automatica, 2019.
LibreCat: /record/15741
DOI: 10.1016/j.automatica.2019.108759

M. Peuster, M. Marchetti, G. García de Blas, and H. Karl, “Automated testing of NFV orchestrators against carrier-grade multi-PoP scenarios using emulation-based smoke testing,” EURASIP Journal on Wireless Communications and Networking, 2019.
LibreCat: /record/10325
DOI: 10.1186/s13638-019-1493-2

S. Dräxler, H. Karl, and Z. A. Mann, “JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services,” IEEE Transactions on Network and Service Management, 2018.
LibreCat: /record/3152
DOI: 10.1109/TNSM.2018.2846572

S. Dräxler and H. Karl, “Specification, Composition, and Placement of Network Services with Flexible Structures,” International Journal of Network Management, no. 2, pp. 1--16, 2017.
LibreCat: /record/58
DOI: 10.1002/nem.1963

M. Keller and H. Karl, “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, no. 1, pp. 121--135, 2017.
LibreCat: /record/64
DOI: 10.1109/TNSM.2016.2611590

H. Karl et al., “DevOps for network function virtualisation: an architectural approach,” Transactions on Emerging Telecommunications Technologies, vol. 27, no. 9, pp. 1206–1215, 2016.
LibreCat: /record/714
DOI: 10.1002/ett.3084

P. Wette and H. Karl, “DCT<sup>2</sup>Gen: A traffic generator for data centers,” Computer Communications, pp. 45--58, 2016.
LibreCat: /record/726
DOI: 10.1016/j.comcom.2015.12.001

M. Herlich, N. Bredenbals, and H. Karl, “Delayed (de-)activation in servers with a sleep mode,” Sustainable Computing: Informatics and Systems, vol. 10, pp. 48–55, 2016.
LibreCat: /record/1373
DOI: 10.1016/j.suscom.2016.04.002

J. Künsemöller and H. Karl, “A Game-Theoretic Approach to the Financial Benefits of Infrastructure-as-a-Service,” Future Generation Computer Systems, pp. 44--52, 2014.
LibreCat: /record/467
DOI: 10.1016/j.future.2014.03.005

F. Beister, M. Dräxler, J. Aelken, and H. Karl, “Power model design for ICT systems -- A generic approach,” Computer Communications, pp. 77--85, 2014.
LibreCat: /record/753
DOI: 10.1016/j.comcom.2014.02.007

R. Azeem M. Khan and H. Karl, “MAC Protocols for Cooperative Diversity in Wireless LANs and Wireless Sensor Networks,” IEEE Communications Surveys and Tutorials, no. 1, pp. 46--63, 2014.
LibreCat: /record/754
DOI: 10.1109/SURV.2013.042313.00067

F. Beister, M. Dräxler, J. Aelken, and H. Karl, “Power model design for ICT systems – A generic approach,” Computer Communications, vol. 50, pp. 77–85, 2014.
LibreCat: /record/1375
DOI: 10.1016/j.comcom.2014.02.007

C. Dannewitz, D. Kutscher, B. Ohlman, S. Farrell, B. Ahlgren, and H. Karl, “Network of Information (NetInf) - An information-centric networking architecture,” Computer Communications, no. 7, pp. 721--735, 2013.
LibreCat: /record/770
DOI: 10.1016/j.comcom.2013.01.009

M. Dräxler, T. Biermann, and H. Karl, “Improving Cooperative Transmission Feasibility by Network Reconfiguration in Limited Backhaul Networks,” International Journal of Wireless Information Networks, no. 3, pp. 183--194, 2013.
LibreCat: /record/771
DOI: 10.1007/s10776-013-0207-7

T. Biermann, L. Scalia, C. Choi, W. Kellerer, and H. Karl, “How backhaul networks influence the feasibility of coordinated multipoint in cellular networks,” IEEE Communications Magazine, no. 8, 2013.
LibreCat: /record/769
DOI: 10.1109/MCOM.2013.6576356

T. Biermann, L. Scalia, C. Choi, H. Karl, and W. Kellerer, “CoMP clustering and backhaul limitations in cooperative cellular mobile access networks,” Pervasive and Mobile Computing, no. 5, pp. 662--681, 2012.
LibreCat: /record/782
DOI: 10.1016/j.pmcj.2012.03.005

A. Willig, H. Karl, and D. Kipnis, “Segment-based packet combining: how to schedule a dense relayer cluster?,” Wireless Networks, no. 2, pp. 199--213, 2012.
LibreCat: /record/783
DOI: 10.1007/s11276-011-0395-y

B. Ahlgren et al., “Content, connectivity, and cloud: ingredients for the network of the future,” IEEE Communications Magazine, no. 7, pp. 62--70, 2011.
LibreCat: /record/793
DOI: 10.1109/MCOM.2011.5936156

M. Conti et al., “Research challenges towards the Future Internet,” Computer Communications, no. 18, pp. 2115--2134, 2011.
LibreCat: /record/794
DOI: 10.1016/j.comcom.2011.09.001

D. Warneke and C. Dannewitz, “Load Balancing in P Networks: Using Statistics to Fight Data and Execution Skew,” Journal of Advances in Information Technology, vol. 2, no. 1, 2011.
LibreCat: /record/1615
DOI: 10.4304/jait.2.1.40-49

C. Dannewitz, T. Biermann, M. Dräxler, and H. Karl, “Complex Queries in P Networks with Resource-Constrained Devices,” Journal of Advances in Information Technology, vol. 2, no. 1, 2011.
LibreCat: /record/1376
DOI: 10.4304/jait.2.1.2-14

S. Valentin and H. Karl, “Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study,” European Transactions on Telecommunications, vol. 21, no. 8, pp. 714–724, 2010.
LibreCat: /record/1831
DOI: 10.1002/ett.1454

S. Valentin and H. Karl, “Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study,” European Transactions on Telecommunications, no. 8, pp. 714--724, 2010.
LibreCat: /record/805
DOI: 10.1002/ett.1454

H. S. Lichte, S. Valentin, and H. Karl, “Expected interference in wireless networks with geometric path loss: a closed-form approximation,” IEEE Communications Letters, no. 2, pp. 130--132, 2010.
LibreCat: /record/806
DOI: 10.1109/LCOMM.2010.02.091863

H. Simon Lichte, S. Valentin, and H. Karl, “Automated Development of Cooperative MAC Protocols - A Compiler-Assisted Approach,” Mobile Networks and Applications, no. 6, pp. 769--785, 2010.
LibreCat: /record/807
DOI: 10.1007/s11036-009-0210-5

T. Biermann, M. Dräxler, and H. Karl, “Flow Synchronization for Network Coding,” Journal of Communications, no. 11, pp. 873--884, 2009.
LibreCat: /record/814
DOI: 10.4304/jcm.4.11.873-884

S. Valentin et al., “Cooperative Wireless Networking Beyond Store-and-Forward ,” Wireless Personal Communications, no. 1, pp. 49--68, 2009.
LibreCat: /record/815
DOI: 10.1007/s11277-007-9429-2

A. Festag, H. Karl, and A. Wolisz, “Investigation of multicast-based mobility support in all-IP cellular networks,” Wireless Communications and Mobile Computing, no. 3, pp. 319--339, 2007.
LibreCat: /record/830
DOI: 10.1002/wcm.328

S. Valentin et al., “Implementing cooperative wireless networks,” Cognitive Wireless Networks, pp. 155--178, 2007.
LibreCat: /record/1018
DOI: 10.1007/978-1-4020-5979-7_8

C. Hoene, H. Karl, and A. Wolisz, “A perceptual quality model intended for adaptive VoIP applications,” Int. J. Communication Systems, no. 3, pp. 299--316, 2006.
LibreCat: /record/837
DOI: 10.1002/dac.755

J. Gross, H.-Florian Geerdes, H. Karl, and A. Wolisz, “Performance analysis of dynamic OFDMA systems with inband signaling,” IEEE Journal on Selected Areas in Communications, no. 3, pp. 427--436, 2006.
LibreCat: /record/838
DOI: 10.1109/JSAC.2005.862386

E. Carlson, C. Prehofer, C. Bettstetter, H. Karl, and A. Wolisz, “A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks,” IEEE Journal on Selected Areas in Communications, no. 11, pp. 2018--2027, 2006.
LibreCat: /record/839
DOI: 10.1109/JSAC.2006.881633

J.-P. Ebert, D. Hollos, H. Karl, and M. Löbbers, “Does Multi-Hop Communication Reduce Electromagnetic Exposure?,” Comput. J., no. 1, pp. 72--83, 2005.
LibreCat: /record/842
DOI: 10.1093/comjnl/bxh062

M. Savoric, H. Karl, M. Schläger, T. Poschwatta, and A. Wolisz, “Analysis and performance evaluation of the EFCM common congestion controller for TCP connections,” Computer Networks, no. 2, pp. 269--294, 2005.
LibreCat: /record/843
DOI: 10.1016/j.comnet.2005.01.012

J. Gross, S. Valentin, H. Karl, and A. 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, pp. 37--49, 2005.
LibreCat: /record/844
DOI: 10.1002/ett.1030

H. Karl, T. Lentsch, and H. Ritter, “Drahtlose Sensornetze,” Praxis der Informationsverarbeitung und Kommunikation, no. 2, pp. 66--67, 2005.
LibreCat: /record/845
DOI: 10.1515/PIKO.2005.66

A. Willig and H. Karl, “Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions,” Praxis der Informationsverarbeitung und Kommunikation, no. 2, pp. 86--92, 2005.
LibreCat: /record/846
DOI: 10.1515/PIKO.2005.86

J. Gross, S. Valentin, H. Karl, and A. Wolisz, “A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system,” European Transactions on Telecommunications, vol. 16, no. 1, pp. 37–49, 2005.
LibreCat: /record/1378
DOI: 10.1002/ett.1030

J. Gross, J. Klaue, H. Karl, and A. Wolisz, “Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming,” Computer Communications, no. 11, pp. 1044--1055, 2004.
LibreCat: /record/850
DOI: 10.1016/j.comcom.2004.01.010

N. Niebert et al., “Ambient networks: An architecture for communication networks beyond 3G,” IEEE Wireless Communications, no. 2, pp. 14--22, 2004.
LibreCat: /record/851
DOI: 10.1109/MWC.2004.1295733

N. Klimin, W. Enkelmann, H. Karl, and A. Wolisz, “A hybrid approach for location-based service discovery in vehicular ad hoc networks,” Proc. of WIT, 2004.
LibreCat: /record/993

S. Mengesha, H. Karl, and A. Wolisz, “Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling,” Proc. of MedHocNet 2004, 2004.
LibreCat: /record/998

M. Kubisch, H. Karl, and A. Wolisz, “A MAC protocol for wireless sensor networks with multiple selectable, fixed-orientation antennas,” Frequenz, no. 3–4, pp. 92--96, 2004.
LibreCat: /record/1017
DOI: /10.1.1.3.3185

M. Savoric, H. Karl, and A. Wolisz, “The TCP control block interdependence in fixed networks - new performance results,” Computer Communications, no. 4, pp. 366--375, 2003.
LibreCat: /record/860
DOI: 10.1016/S0140-3664(02)00155-X

W. Zirwas, J. Habetha, and H. Karl, “Ziel-orientierter Entwurf von Multi-hop Medienzugriffsprotokollen,” Praxis der Informationsverarbeitung und Kommunikation, no. 4, pp. 184--189, 2003.
LibreCat: /record/861
DOI: 10.1515/PIKO.2003.184

H. Karl, “An overview of energy-efficiency techniques for mobile communication systems,” Report of AG Mobikom W, 2003.
LibreCat: /record/989

T. Ngo-Quynh, H. Karl, A. Wolisz, and K. Rebensburg, “New scheduling algorithm for providing proportional jitter in differentiated services network,” Proceedings of IST mobile communication and wireless telecommunications summit, Thessaloniki, Greece, 2002.
LibreCat: /record/1014

H. Karl, “Bridging the gap between distributed shared memory and message passing,” Concurrency - Practice and Experience, no. 11–13, pp. 887--900, 1998.
LibreCat: /record/876
DOI: 10.1002/(SICI)1096-9128(199809/11)10:11/13&#60;887::AID-CPE416&#62;3.0.CO;2-0

A. Baratloo, M. Karaul, H. Karl, and Z. M. Kedem, “An infrastructure for network computing with Java applets,” Concurrency -- Practice and Experience, no. 11–13, pp. 1029--1041, 1998.
LibreCat: /record/877
DOI: 10.1002/(SICI)1096-9128(199809/11)10:11/13&#60;1029::AID-CPE412&#62;3.0.CO;2-U

H. Karl, M. Werner, and L. Küttner, “Experimental investigation of message latencies in the Totem protocol in the Presence of faults,” IEEE Proceedings -- Software, no. 6, pp. 219--227, 1998.
LibreCat: /record/878
DOI: 10.1049/ip-sen:19982443

A. Baratloo, M. Karaul, H. Karl, and Z. M. Kedem, “KnittingFactory: An Infrastructure for Distributed Web Applications,” Technical Report, 1997.
LibreCat: /record/1445