IPA: Inference Pipeline Adaptation to Achieve High Accuracy and Cost-Efficiency
S. Ghafouri, K. Razavi, M. Salmani, A. Sanaee, T. Lorido Botran, L. Wang, J. Doyle, P. Jamshidi, Journal of Systems Research (JSys) (n.d.).
LibreCat: /record/53531

Practical Network Conditions for the Convergence of Distributed Optimization
A. Redder, A. Ramaswamy, H. Karl, IFAC-PapersOnLine 55 (2022) 133–138.
LibreCat: /record/32854

Self-Learning Multi-Objective Service Coordination Using Deep Reinforcement Learning
S.B. Schneider, R. Khalili, A. Manzoor, H. Qarawlus, R. Schellenberg, H. Karl, A. Hecker, Transactions on Network and Service Management (2021).
LibreCat: /record/21808
DOI: 10.1109/TNSM.2021.3076503

A UAV-based moving 5G RAN for massive connectivity of mobile users and IoT devices
N. Nomikos, E.T. Michailidis, P. Trakadas, D. Vouyioukas, H. Karl, J. Martrat, T. Zahariadis, K. Papadopoulos, S. Voliotis, Vehicular Communications (2020).
LibreCat: /record/16278
DOI: 10.1016/j.vehcom.2020.100250

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

A Case for a New IT Ecosystem: On-The-Fly Computing
H. Karl, D. Kundisch, F. Meyer auf der Heide, H. Wehrheim, Business &; Information Systems Engineering 62 (2020) 467–481.
LibreCat: /record/13770
DOI: 10.1007/s12599-019-00627-x

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

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

Empowering Network Service Developers: Enhanced NFV DevOps and Programmable MANO
T. Soenen, W. Tavernier, M. Peuster, F. Vicens, G. Xilouris, S. Kolometsos, M.-A. Kourtis, D. Colle, IEEE Communications Magazine (2019) 89–95.
LibreCat: /record/9823
DOI: 10.1109/mcom.2019.1800810

Introducing Automated Verification and Validation for Virtualized Network Functions and Services
M. Peuster, S.B. Schneider, M. Zhao, G. Xilouris, P. Trakadas, F. Vicens, W. Tavernier, T. Soenen, R. Vilalta, G. Andreou, D. Kyriazis, H. Karl, IEEE Communications Magazine (2019) 96–102.
LibreCat: /record/9824
DOI: 10.1109/mcom.2019.1800873

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

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

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

Specification, Composition, and Placement of Network Services with Flexible Structures
S. Dräxler, H. Karl, International Journal of Network Management (2017) 1--16.
LibreCat: /record/58
DOI: 10.1002/nem.1963

Response-Time-Optimised Service Deployment: MILP Formulations of Piece-wise Linear Functions Approximating Non-linear Bivariate Mixed-integer Functions
M. Keller, H. Karl, IEEE Transactions on Network and Service Management (2017) 121--135.
LibreCat: /record/64
DOI: 10.1109/TNSM.2016.2611590

DevOps for network function virtualisation: an architectural approach
H. Karl, S. Dräxler, M. Peuster, A. Galis, M. Bredel, A. Ramos, J. Martrat, M.S. Siddiqui, S. van Rossem, W. Tavernier, G. Xilouris, Transactions on Emerging Telecommunications Technologies 27 (2016) 1206–1215.
LibreCat: /record/714
DOI: 10.1002/ett.3084

DCT²Gen: A traffic generator for data centers
P. Wette, H. Karl, Computer Communications (2016) 45--58.
LibreCat: /record/726
DOI: 10.1016/j.comcom.2015.12.001

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

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

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

MAC Protocols for Cooperative Diversity in Wireless LANs and Wireless Sensor Networks
R. Azeem M. Khan, H. Karl, IEEE Communications Surveys and Tutorials (2014) 46--63.
LibreCat: /record/754
DOI: 10.1109/SURV.2013.042313.00067

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

Network of Information (NetInf) - An information-centric networking architecture
C. Dannewitz, D. Kutscher, B. Ohlman, S. Farrell, B. Ahlgren, H. Karl, Computer Communications (2013) 721--735.
LibreCat: /record/770
DOI: 10.1016/j.comcom.2013.01.009

Improving Cooperative Transmission Feasibility by Network Reconfiguration in Limited Backhaul Networks
M. Dräxler, T. Biermann, H. Karl, International Journal of Wireless Information Networks (2013) 183--194.
LibreCat: /record/771
DOI: 10.1007/s10776-013-0207-7

How backhaul networks influence the feasibility of coordinated multipoint in cellular networks
T. Biermann, L. Scalia, C. Choi, W. Kellerer, H. Karl, IEEE Communications Magazine (2013).
LibreCat: /record/769
DOI: 10.1109/MCOM.2013.6576356

CoMP clustering and backhaul limitations in cooperative cellular mobile access networks
T. Biermann, L. Scalia, C. Choi, H. Karl, W. Kellerer, Pervasive and Mobile Computing (2012) 662--681.
LibreCat: /record/782
DOI: 10.1016/j.pmcj.2012.03.005

Segment-based packet combining: how to schedule a dense relayer cluster?
A. Willig, H. Karl, D. Kipnis, Wireless Networks (2012) 199--213.
LibreCat: /record/783
DOI: 10.1007/s11276-011-0395-y

Content, connectivity, and cloud: ingredients for the network of the future
B. Ahlgren, P. A. Aranda-Gutierrez, P. Chemouil, S. Oueslati, L. M. Correia, H. Karl, M. Söllner, A. Welin, IEEE Communications Magazine (2011) 62--70.
LibreCat: /record/793
DOI: 10.1109/MCOM.2011.5936156

Research challenges towards the Future Internet
M. Conti, S. Chong, S. Fdida, W. Jia, H. Karl, Y.-Dar Lin, P. M\'2c M. Maier, R. Molva, S. Uhlig, M. Zukerman, Computer Communications (2011) 2115--2134.
LibreCat: /record/794
DOI: 10.1016/j.comcom.2011.09.001

Load Balancing in P Networks: Using Statistics to Fight Data and Execution Skew
D. Warneke, C. Dannewitz, Journal of Advances in Information Technology 2 (2011).
LibreCat: /record/1615
DOI: 10.4304/jait.2.1.40-49

Complex Queries in P Networks with Resource-Constrained Devices
C. Dannewitz, T. Biermann, M. Dräxler, H. Karl, Journal of Advances in Information Technology 2 (2011).
LibreCat: /record/1376
DOI: 10.4304/jait.2.1.2-14

Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study
S. Valentin, H. Karl, European Transactions on Telecommunications 21 (2010) 714–724.
LibreCat: /record/1831
DOI: 10.1002/ett.1454

Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study
S. Valentin, H. Karl, European Transactions on Telecommunications (2010) 714--724.
LibreCat: /record/805
DOI: 10.1002/ett.1454

Expected interference in wireless networks with geometric path loss: a closed-form approximation
H. S. Lichte, S. Valentin, H. Karl, IEEE Communications Letters (2010) 130--132.
LibreCat: /record/806
DOI: 10.1109/LCOMM.2010.02.091863

Automated Development of Cooperative MAC Protocols - A Compiler-Assisted Approach
H. Simon Lichte, S. Valentin, H. Karl, Mobile Networks and Applications (2010) 769--785.
LibreCat: /record/807
DOI: 10.1007/s11036-009-0210-5

Flow Synchronization for Network Coding
T. Biermann, M. Dräxler, H. Karl, Journal of Communications (2009) 873--884.
LibreCat: /record/814
DOI: 10.4304/jcm.4.11.873-884

Cooperative Wireless Networking Beyond Store-and-Forward 
S. Valentin, H. S. Lichte, H. Karl, G. Vivier, S. Simoens, J. Vidal, A. Agustin, Wireless Personal Communications (2009) 49--68.
LibreCat: /record/815
DOI: 10.1007/s11277-007-9429-2

Investigation of multicast-based mobility support in all-IP cellular networks
A. Festag, H. Karl, A. Wolisz, Wireless Communications and Mobile Computing (2007) 319--339.
LibreCat: /record/830
DOI: 10.1002/wcm.328

Implementing cooperative wireless networks
S. Valentin, H.S. Lichte, H. Karl, S. Simoens, G. Vivier, J. Vidal, A. Agustin, Cognitive Wireless Networks (2007) 155--178.
LibreCat: /record/1018
DOI: 10.1007/978-1-4020-5979-7_8

A perceptual quality model intended for adaptive VoIP applications
C. Hoene, H. Karl, A. Wolisz, Int. J. Communication Systems (2006) 299--316.
LibreCat: /record/837
DOI: 10.1002/dac.755

Performance analysis of dynamic OFDMA systems with inband signaling
J. Gross, H.-Florian Geerdes, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 427--436.
LibreCat: /record/838
DOI: 10.1109/JSAC.2005.862386

A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks
E. Carlson, C. Prehofer, C. Bettstetter, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 2018--2027.
LibreCat: /record/839
DOI: 10.1109/JSAC.2006.881633

Does Multi-Hop Communication Reduce Electromagnetic Exposure?
J.-P. Ebert, D. Hollos, H. Karl, M. Löbbers, Comput. J. (2005) 72--83.
LibreCat: /record/842
DOI: 10.1093/comjnl/bxh062

Analysis and performance evaluation of the EFCM common congestion controller for TCP connections
M. Savoric, H. Karl, M. Schläger, T. Poschwatta, A. Wolisz, Computer Networks (2005) 269--294.
LibreCat: /record/843
DOI: 10.1016/j.comnet.2005.01.012

A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications (2005) 37--49.
LibreCat: /record/844
DOI: 10.1002/ett.1030

Drahtlose Sensornetze
H. Karl, T. Lentsch, H. Ritter, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 66--67.
LibreCat: /record/845
DOI: 10.1515/PIKO.2005.66

Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions
A. Willig, H. Karl, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 86--92.
LibreCat: /record/846
DOI: 10.1515/PIKO.2005.86

A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications 16 (2005) 37–49.
LibreCat: /record/1378
DOI: 10.1002/ett.1030

Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming
J. Gross, J. Klaue, H. Karl, A. Wolisz, Computer Communications (2004) 1044--1055.
LibreCat: /record/850
DOI: 10.1016/j.comcom.2004.01.010

Ambient networks: An architecture for communication networks beyond 3G
N. Niebert, A. Schieder, H. Abramowicz, G. Malmgren, J. Sachs, U. Horn, C. Prehofer, H. Karl, IEEE Wireless Communications (2004) 14--22.
LibreCat: /record/851
DOI: 10.1109/MWC.2004.1295733