Leong, A. S., Ramaswamy, A., Quevedo, D. E., Karl, H., &; Shi, L. (2019). Deep reinforcement learning for wireless sensor scheduling in cyber–physical systems. Automatica.https://doi.org/10.1016/j.automatica.2019.108759 

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

Dräxler, S., Karl, H., &; Mann, Z. A. (2018). JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services. IEEE Transactions on Network and Service Management.https://doi.org/10.1109/TNSM.2018.2846572 

Dräxler, S., &; Karl, H. (2017). Specification, Composition, and Placement of Network Services with Flexible Structures. International Journal of Network Management, (2), 1--16.https://doi.org/10.1002/nem.1963 

Keller, M., &; Karl, H. (2017). 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, (1), 121--135.https://doi.org/10.1109/TNSM.2016.2611590 

Karl, H., Dräxler, S., Peuster, M., Galis, A., Bredel, M., Ramos, A.,https://doi.org/10.1002/ett.3084__Xilouris, G. (2016). DevOps for network function virtualisation: an architectural approach. Transactions on Emerging Telecommunications Technologies, 27(9), 1206–1215.https://doi.org/10.1002/ett.3084 

Wette, P., &; Karl, H. (2016). DCT<sup>2</sup>Gen: A traffic generator for data centers. Computer Communications, 45--58.https://doi.org/10.1016/j.comcom.2015.12.001 

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

Künsemöller, J., &; Karl, H. (2014). A Game-Theoretic Approach to the Financial Benefits of Infrastructure-as-a-Service. Future Generation Computer Systems, 44--52.https://doi.org/10.1016/j.future.2014.03.005 

Beister, F., Dräxler, M., Aelken, J., &; Karl, H. (2014). Power model design for ICT systems -- A generic approach. Computer Communications, 77--85.https://doi.org/10.1016/j.comcom.2014.02.007 

Azeem M. Khan, R., &; Karl, H. (2014). MAC Protocols for Cooperative Diversity in Wireless LANs and Wireless Sensor Networks. IEEE Communications Surveys and Tutorials, (1), 46--63.https://doi.org/10.1109/SURV.2013.042313.00067 

Beister, F., Dräxler, M., Aelken, J., &; Karl, H. (2014). Power model design for ICT systems – A generic approach. Computer Communications, 50, 77–85.https://doi.org/10.1016/j.comcom.2014.02.007 

Dannewitz, C., Kutscher, D., Ohlman, B., Farrell, S., Ahlgren, B., &; Karl, H. (2013). Network of Information (NetInf) - An information-centric networking architecture. Computer Communications, (7), 721--735.https://doi.org/10.1016/j.comcom.2013.01.009 

Dräxler, M., Biermann, T., &; Karl, H. (2013). Improving Cooperative Transmission Feasibility by Network Reconfiguration in Limited Backhaul Networks. International Journal of Wireless Information Networks, (3), 183--194.https://doi.org/10.1007/s10776-013-0207-7 

Biermann, T., Scalia, L., Choi, C., Kellerer, W., &; Karl, H. (2013). How backhaul networks influence the feasibility of coordinated multipoint in cellular networks. IEEE Communications Magazine, (8).https://doi.org/10.1109/MCOM.2013.6576356 

Biermann, T., Scalia, L., Choi, C., Karl, H., &; Kellerer, W. (2012). CoMP clustering and backhaul limitations in cooperative cellular mobile access networks. Pervasive and Mobile Computing, (5), 662--681.https://doi.org/10.1016/j.pmcj.2012.03.005 

Willig, A., Karl, H., &; Kipnis, D. (2012). Segment-based packet combining: how to schedule a dense relayer cluster? Wireless Networks, (2), 199--213.https://doi.org/10.1007/s11276-011-0395-y 

Ahlgren, B., A. Aranda-Gutierrez, P., Chemouil, P., Oueslati, S., M. Correia, L., Karl, H.,https://doi.org/10.1109/MCOM.2011.5936156__Welin, A. (2011). Content, connectivity, and cloud: ingredients for the network of the future. IEEE Communications Magazine, (7), 62--70.https://doi.org/10.1109/MCOM.2011.5936156 

Conti, M., Chong, S., Fdida, S., Jia, W., Karl, H., Lin, Y.-Dar,https://doi.org/10.1016/j.comcom.2011.09.001__Zukerman, M. (2011). Research challenges towards the Future Internet. Computer Communications, (18), 2115--2134.https://doi.org/10.1016/j.comcom.2011.09.001 

Warneke, D., &; Dannewitz, C. (2011). Load Balancing in P Networks: Using Statistics to Fight Data and Execution Skew. Journal of Advances in Information Technology, 2(1).https://doi.org/10.4304/jait.2.1.40-49