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

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

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

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

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

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

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

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

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

Warneke D, Dannewitz C. Load Balancing in P 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

Dannewitz C, Biermann T, Dräxler M, Karl H. Complex Queries in P Networks with Resource-Constrained Devices. Journal of Advances in Information Technology. 2011;2(1). doi:10.4304/jait.2.1.2-14

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

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

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

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

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

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

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

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

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