Multiple-Access Relay Channel with Network Coding and Non-Ideal Source-Relay Channels
D.H. Woldegebreal, H. Karl, in: 2007 4th International Symposium on Wireless Communication Systems, IEEE, 2007.
LibreCat: /record/1840
DOI: 10.1109/iswcs.2007.4392437

Optimizing sleeping intervals in preamble sampling MAC for WSNs
H. Karl, in: Communication in Distributed Systems (KiVS), 2007 ITG-GI Conference, Bern / Switzerland, 2007.
LibreCat: /record/1842

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

WASP - Wirelessly Accessible Sensor Populations: A Project Overview
P. van der Stok, H. Karl, F. De Ambroggi, J. Decotignie, F. Siegemund, K. Lokhorst, M. Hellenschmidt, in: Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers, 2007, pp. 426--429.
LibreCat: /record/831
DOI: 10.1007/978-3-540-85379-4_49

Outage probability analysis of cooperative transmission protocols without and with network coding: inter-user channels based comparison
D. H. Woldegebreal, S. Valentin, H. Karl, in: Proceedings of the 10th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2007, Chania, Crete Island, Greece, October 22-26, 2007, 2007, pp. 36--44.
LibreCat: /record/832
DOI: 10.1145/1298126.1298136

Traffic-Aware Asymmetric Cooperation Diversity for Media Streaming in Wireless Networks
S. Valentin, H. von Malm, H. Karl, in: Proceedings of the IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2007, 3-7 September 2007, Athens, Greece, 2007, pp. 1--6.
LibreCat: /record/833
DOI: 10.1109/PIMRC.2007.4394223

Integrating multiuser dynamic OFDMA into IEEE 802.11a and prototyping it on a real-time software-defined radio testbed
H. S. Lichte, S. Valentin, F. Eitzen, M. Stege, C. Unger, H. Karl, in: 3rd International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities, TridentCom 2007, Orlando, Florida, USA, May 21-23 2007, 2007, pp. 1--9.
LibreCat: /record/834
DOI: 10.1109/TRIDENTCOM.2007.4444671

Effect of User Mobility in Coded Cooperative Systems with Joint Partner and Cooperation Level Selection
S. Valentin, H. Karl, in: IEEE Wireless Communications and Networking Conference, WCNC 2007, Hong Kong, China, 11-15 March, 2007, 2007, pp. 896--901.
LibreCat: /record/835
DOI: 10.1109/WCNC.2007.170

Multi-rate Relaying for Performance Improvement in IEEE 802.11 WLANs
L. Marie Feeney, B. Cetin, D. Hollos, M. Kubisch, S. Mengesha, H. Karl, in: Wired/Wireless Internet Communications, 5th International Conference, WWIC 2007, Coimbra, Portugal, May 23-25, 2007, Proceedings, 2007, pp. 201--212.
LibreCat: /record/836
DOI: 10.1007/978-3-540-72697-5_17

Analyzing the effect of asymmetric mobility and channel configurations on the outage performance of coded cooperative systems
S. Valentin, H. Karl, in: Proc. of the European Wireless Conference (EW), 2007.
LibreCat: /record/1015