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368 Publications


2008 | Conference Paper | LibreCat-ID: 827
Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements
S. Valentin, H. S. Lichte, D. Warneke, T. Biermann, R. Funke, H. Karl, in: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada, 2008, pp. 1--5.
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2008 | Conference Paper | LibreCat-ID: 828
Incremental Network Coding in Cooperative Transmission Wireless Networks
D. H. Woldegebreal, S. Valentin, H. Karl, in: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada, 2008, pp. 1--5.
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2008 | Conference Paper | LibreCat-ID: 1003
Random network coding in wireless sensor networks: Energy efficiency via cross-layer approach
D. Platz, D.H. Woldegebreal, H. Karl, in: Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium On, 2008, pp. 654--660.
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2008 | Conference Paper | LibreCat-ID: 1007
Enabling partial forwarding by decoding-based one and two-stage selective cooperation
S. Valentin, T. Volkhausen, F.A. Onat, H. Yanikomeroglu, H. Karl, in: Communications Workshops, 2008. ICC Workshops’ 08. IEEE International Conference On, 2008, pp. 129--133.
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2007 | Report | LibreCat-ID: 2515
Experimental evaluation of IEEE 802.11a-based WLANs for medium range communication
F. Eitzen, S. Valentin, K. Gossens, H. Karl, O. Rolfes, Experimental Evaluation of IEEE 802.11a-Based WLANs for Medium Range Communication, 2007.
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2007 | Conference Paper | LibreCat-ID: 1840
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.
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2007 | Conference Paper | LibreCat-ID: 1842
Optimizing sleeping intervals in preamble sampling MAC for WSNs
H. Karl, in: Communication in Distributed Systems (KiVS), 2007 ITG-GI Conference, Bern / Switzerland, 2007.
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2007 | Journal Article | LibreCat-ID: 830
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.
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2007 | Conference Paper | LibreCat-ID: 831
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.
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2007 | Conference Paper | LibreCat-ID: 832
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.
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2007 | Conference Paper | LibreCat-ID: 833
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.
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2007 | Conference Paper | LibreCat-ID: 834
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.
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2007 | Conference Paper | LibreCat-ID: 835
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.
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2007 | Conference Paper | LibreCat-ID: 836
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.
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2007 | Conference Paper | LibreCat-ID: 1015 LibreCat
 

2007 | Journal Article | LibreCat-ID: 1018
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.
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2006 | Report | LibreCat-ID: 2518
Evaluating the GNU Software Radio platform for wireless testbeds
S. Valentin, H. von Malm, H. Karl, Evaluating the GNU Software Radio Platform for Wireless Testbeds, 2006.
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2006 | Conference Paper | LibreCat-ID: 2523
Cooperative wireless networking beyond store-and-forward: Perspectives for PHY and MAC design
S. Valentin, H.S. Lichte, H. Karl, G. Vivier, S. Simoens, J. Vidal, A. Agustin, I. Aad, in: 2006.
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2006 | Conference Paper | LibreCat-ID: 2526
An IEEE 802.21-based Universal Information Service
C. Dannewitz, S. Berg, H. Karl, in: Proc. of the Wireless World Research Forum Meeting , 2006.
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2006 | Journal Article | LibreCat-ID: 837
A perceptual quality model intended for adaptive VoIP applications
C. Hoene, H. Karl, A. Wolisz, Int. J. Communication Systems (2006) 299--316.
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