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294 Publications


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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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 | 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: 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: 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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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 | Journal Article | LibreCat-ID: 838
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.
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2006 | Conference Paper | LibreCat-ID: 840
Wireless Sensor Networks
F. Mattern, H. Karl, K. Römer, in: K. R{\"{o}}mer, H. Karl, F. Mattern (Eds.), Third European Workshop, {EWSN} 2006, Zurich, Switzerland, February 13-15, 2006, Proceedings, 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 | 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 (Editor) | LibreCat-ID: 17417
Self-Coordinating Systems: The Next Challenge in Research on Distributed Systems
F.-J. Rammig, W. Dangelmaier, H. Karl, B. Mertsching, F. Meyer auf der Heide, A. Trächtler, eds., Self-Coordinating Systems: The Next Challenge in Research on Distributed Systems, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 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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2005 | Journal Article | LibreCat-ID: 845
Drahtlose Sensornetze
H. Karl, T. Lentsch, H. Ritter, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 66--67.
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2005 | Book | LibreCat-ID: 841
Protocols and architectures for wireless sensor networks
H. Karl, A. Willig, Protocols and Architectures for Wireless Sensor Networks, 2005.
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2005 | Journal Article | LibreCat-ID: 846
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.
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2005 | Journal Article | LibreCat-ID: 842
Does Multi-Hop Communication Reduce Electromagnetic Exposure?
J.-P. Ebert, D. Hollos, H. Karl, M. Löbbers, Comput. J. (2005) 72--83.
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2005 | Conference Paper | LibreCat-ID: 1013
Adaptive scheduling for heterogeneous traffic flows in cellular wireless OFDM-FDMA systems
S. Valentin, J. Gross, H. Karl, A. Wolisz, in: 10th IFIP International Conference on Personal Wireless Communications/PWC’05, Comar, France, 2005, 2005.
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2005 | Journal Article | LibreCat-ID: 1378
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.
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2005 | Journal Article | LibreCat-ID: 843
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.
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2005 | Book Chapter | LibreCat-ID: 848
Ad Hoc Networks
H. Karl, in: The Industrial Information Technology Handbook, 2005, pp. 1--16.
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