H. Woldegebreal D, Karl H. Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension. In: Wireless Sensor Networks, 5th European Conference, EWSN 2008, Bologna, Italy, January 30-February 1, 2008, Proceedings. ; 2008:141--155. doi:10.1007/978-3-540-77690-1_9
LibreCat: /record/822
DOI: 10.1007/978-3-540-77690-1_9

Valentin S, Freitag T, Karl H. Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance. In: Proceedings of IEEE International Conference on Communications, ICC 2008, Beijing, China, 19-23 May 2008. ; 2008:3328--3334. doi:10.1109/ICC.2008.626
LibreCat: /record/823
DOI: 10.1109/ICC.2008.626

S. Lichte H, Valentin S, Karl H, Aad I, Loyola L, Widmer J. Design and Evaluation of a Routing-Informed Cooperative MAC Protocol for Ad Hoc Networks. In: INFOCOM 2008. 27th IEEE International Conference on Computer Communications, Joint Conference of the IEEE Computer and Communications Societies, 13-18 April 2008, Phoenix, AZ, USA. ; 2008:1858--1866. doi:10.1109/INFOCOM.2008.249
LibreCat: /record/824
DOI: 10.1109/INFOCOM.2008.249

Valentin S, S. Lichte H, Karl H, Aad I, Loyola L, Widmer J. Opportunistic relaying vs. selective cooperation: analyzing the occurrence-conditioned outage capacity. In: Proceedings of the 11th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2008, Vancouver, British Columbia, Canada, October 27-31, 2008. ; 2008:193--202. doi:10.1145/1454503.1454539
LibreCat: /record/825
DOI: 10.1145/1454503.1454539

Valentin S, Volkhausen T, Atay Onat F, Yanikomeroglu H, Karl H. Decoding-based channel estimation for selective cooperation diversity protocols. In: Proceedings of the IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, 15-18 September 2008, Cannes, French Riviera, France. ; 2008:1--6. doi:10.1109/PIMRC.2008.4699545
LibreCat: /record/826
DOI: 10.1109/PIMRC.2008.4699545

Valentin S, S. Lichte H, Warneke D, Biermann T, Funke R, Karl H. Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements. In: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada. ; 2008:1--5. doi:10.1109/VETECF.2008.350
LibreCat: /record/827
DOI: 10.1109/VETECF.2008.350

H. Woldegebreal D, Valentin S, Karl H. Incremental Network Coding in Cooperative Transmission Wireless Networks. In: Proceedings of the 68th IEEE Vehicular Technology Conference, VTC Fall 2008, 21-24 September 2008, Calgary, Alberta, Canada. ; 2008:1--5. doi:10.1109/VETECF.2008.346
LibreCat: /record/828
DOI: 10.1109/VETECF.2008.346

Platz D, Woldegebreal DH, Karl H. Random network coding in wireless sensor networks: Energy efficiency via cross-layer approach. In: Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium On. ; 2008:654--660.
LibreCat: /record/1003

Valentin S, Volkhausen T, Onat FA, Yanikomeroglu H, Karl H. Enabling partial forwarding by decoding-based one and two-stage selective cooperation. In: Communications Workshops, 2008. ICC Workshops’ 08. IEEE International Conference On. ; 2008:129--133.
LibreCat: /record/1007

Eitzen F, Valentin S, Gossens K, Karl H, Rolfes O. Experimental Evaluation of IEEE 802.11a-Based WLANs for Medium Range Communication.; 2007.
LibreCat: /record/2515

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

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

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
LibreCat: /record/830
DOI: 10.1002/wcm.328

van der Stok P, Karl H, De Ambroggi F, et al. WASP - Wirelessly Accessible Sensor Populations: A Project Overview. In: Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers. ; 2007:426--429. doi:10.1007/978-3-540-85379-4_49
LibreCat: /record/831
DOI: 10.1007/978-3-540-85379-4_49

H. Woldegebreal D, Valentin S, Karl H. Outage probability analysis of cooperative transmission protocols without and with network coding: inter-user channels based comparison. 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. ; 2007:36--44. doi:10.1145/1298126.1298136
LibreCat: /record/832
DOI: 10.1145/1298126.1298136

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

S. Lichte H, Valentin S, Eitzen F, Stege M, Unger C, Karl H. Integrating multiuser dynamic OFDMA into IEEE 802.11a and prototyping it on a real-time software-defined radio testbed. 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. ; 2007:1--9. doi:10.1109/TRIDENTCOM.2007.4444671
LibreCat: /record/834
DOI: 10.1109/TRIDENTCOM.2007.4444671

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

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

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