Valentin, S., Lichte, H. S., Warneke, D., Biermann, T., Funke, R., &; Karl, H. (2008). Mobile Cooperative WLANs - MAC and Transceiver Design, Prototyping, and Field Measurements. In 2008 IEEE 68th Vehicular Technology Conference. IEEE.https://doi.org/10.1109/vetecf.2008.350 
LibreCat: /record/1834
DOI: 10.1109/vetecf.2008.350

Valentin, S., Freitag, T., &; Karl, H. (2008). Integrating Multiuser Dynamic OFDMA into IEEE 802.11 WLANs - LLC/MAC Extensions and System Performance. In 2008 IEEE International Conference on Communications. IEEE.https://doi.org/10.1109/icc.2008.626 
LibreCat: /record/1839
DOI: 10.1109/icc.2008.626

Woldegebreal, D. H., &; Karl, H. (2008). Network-Coding-Based Cooperative Transmission in Wireless Sensor Networks: Diversity-Multiplexing Tradeoff and Coverage Area Extension. In Lecture Notes in Computer Science (pp. 141–155). Berlin, Heidelberg: Springer Berlin Heidelberg.https://doi.org/10.1007/978-3-540-77690-1_9 
LibreCat: /record/1841
DOI: 10.1007/978-3-540-77690-1_9

H. Woldegebreal, D., &; Karl, H. (2008). 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 (pp. 141--155).https://doi.org/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. (2008). 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 (pp. 3328--3334).https://doi.org/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. (2008). 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 (pp. 1858--1866).https://doi.org/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. (2008). 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 (pp. 193--202).https://doi.org/10.1145/1454503.1454539 
LibreCat: /record/825
DOI: 10.1145/1454503.1454539

Valentin, S., Volkhausen, T., Atay Onat, F., Yanikomeroglu, H., &; Karl, H. (2008). 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 (pp. 1--6).https://doi.org/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. (2008). 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 (pp. 1--5).https://doi.org/10.1109/VETECF.2008.350 
LibreCat: /record/827
DOI: 10.1109/VETECF.2008.350

H. Woldegebreal, D., Valentin, S., &; Karl, H. (2008). 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 (pp. 1--5).https://doi.org/10.1109/VETECF.2008.346 
LibreCat: /record/828
DOI: 10.1109/VETECF.2008.346

Platz, D., Woldegebreal, D. H., &; Karl, H. (2008). 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 (pp. 654--660).
LibreCat: /record/1003

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

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

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

Festag, A., Karl, H., &; Wolisz, A. (2007). Investigation of multicast-based mobility support in all-IP cellular networks. Wireless Communications and Mobile Computing, (3), 319--339.https://doi.org/10.1002/wcm.328 
LibreCat: /record/830
DOI: 10.1002/wcm.328

van der Stok, P., Karl, H., De Ambroggi, F., Decotignie, J., Siegemund, F., Lokhorst, K., &; Hellenschmidt, M. (2007). WASP - Wirelessly Accessible Sensor Populations: A Project Overview. In Constructing Ambient Intelligence - AmI 2007 Workshops Darmstadt, Germany, November 7-10, 2007 Revised Papers (pp. 426--429).https://doi.org/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. (2007). 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 (pp. 36--44).https://doi.org/10.1145/1298126.1298136 
LibreCat: /record/832
DOI: 10.1145/1298126.1298136

Valentin, S., von Malm, H., &; Karl, H. (2007). 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 (pp. 1--6).https://doi.org/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. (2007). 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 (pp. 1--9).https://doi.org/10.1109/TRIDENTCOM.2007.4444671 
LibreCat: /record/834
DOI: 10.1109/TRIDENTCOM.2007.4444671

Valentin, S., &; Karl, H. (2007). 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 (pp. 896--901).https://doi.org/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. (2007). 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 (pp. 201--212).https://doi.org/10.1007/978-3-540-72697-5_17 
LibreCat: /record/836
DOI: 10.1007/978-3-540-72697-5_17

Valentin, S., &; Karl, H. (2007). 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).
LibreCat: /record/1015

Valentin, S., Lichte, H. S., Karl, H., Simoens, S., Vivier, G., Vidal, J., &; Agustin, A. (2007). Implementing cooperative wireless networks. Cognitive Wireless Networks, 155--178.https://doi.org/10.1007/978-1-4020-5979-7_8 
LibreCat: /record/1018
DOI: 10.1007/978-1-4020-5979-7_8

Valentin, S., von Malm, H., &; Karl, H. (2006). Evaluating the GNU Software Radio platform for wireless testbeds.
LibreCat: /record/2518

Valentin, S., Lichte, H. S., Karl, H., Vivier, G.,  Simoens, S., Vidal, J.,  Aad, I. (2006). Cooperative wireless networking beyond store-and-forward: Perspectives for PHY and MAC design.
LibreCat: /record/2523

Dannewitz, C., Berg, S., &; Karl, H. (2006). An IEEE 802.21-based Universal Information Service . In  Proc. of the Wireless World Research Forum Meeting .
LibreCat: /record/2526

Rammig, F.-J., Dangelmaier, W., Karl, H., Mertsching, B., Meyer auf der Heide, F., &; Trächtler, A. (Eds.). (2006). Self-Coordinating Systems: The Next Challenge in Research on Distributed Systems. Verlagsschriftenreihe des Heinz Nixdorf Instituts.
LibreCat: /record/17417

Hoene, C., Karl, H., &; Wolisz, A. (2006). A perceptual quality model intended for adaptive VoIP applications. Int. J. Communication Systems, (3), 299--316.https://doi.org/10.1002/dac.755 
LibreCat: /record/837
DOI: 10.1002/dac.755

Gross, J., Geerdes, H.-Florian, Karl, H., &; Wolisz, A. (2006). Performance analysis of dynamic OFDMA systems with inband signaling. IEEE Journal on Selected Areas in Communications, (3), 427--436.https://doi.org/10.1109/JSAC.2005.862386 
LibreCat: /record/838
DOI: 10.1109/JSAC.2005.862386

Mattern, F., Karl, H., &; Römer, K. (2006). Wireless Sensor Networks. In K. R\'22omer, H. Karl, &; F. Mattern (Eds.), Third European Workshop, EWSN 2006, Zurich, Switzerland, February 13-15, 2006, Proceedings.https://doi.org/10.1007/11669463 
LibreCat: /record/840
DOI: 10.1007/11669463

Aguiar, A., Wolisz, A., Lederer, H., &; Karl, H. (2005). Channel-Adaptive Schedulers with State-of-the-Art Channel Predictors. In Proceedings of the 11th European Wireless Conference 2005.
LibreCat: /record/1843

Karl, H., &; Willig, A. (2005). Protocols and architectures for wireless sensor networks.
LibreCat: /record/841

Ebert, J.-P., Hollos, D., Karl, H., &; Löbbers, M. (2005). Does Multi-Hop Communication Reduce Electromagnetic Exposure? Comput. J., (1), 72--83.https://doi.org/10.1093/comjnl/bxh062 
LibreCat: /record/842
DOI: 10.1093/comjnl/bxh062

Savoric, M., Karl, H., Schläger, M., Poschwatta, T., &; Wolisz, A. (2005). Analysis and performance evaluation of the EFCM common congestion controller for TCP connections. Computer Networks, (2), 269--294.https://doi.org/10.1016/j.comnet.2005.01.012 
LibreCat: /record/843
DOI: 10.1016/j.comnet.2005.01.012

Gross, J., Valentin, S., Karl, H., &; Wolisz, A. (2005). A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system. European Transactions on Telecommunications, (1), 37--49.https://doi.org/10.1002/ett.1030 
LibreCat: /record/844
DOI: 10.1002/ett.1030

Karl, H., Lentsch, T., &; Ritter, H. (2005). Drahtlose Sensornetze. Praxis Der Informationsverarbeitung Und Kommunikation, (2), 66--67.https://doi.org/10.1515/PIKO.2005.66 
LibreCat: /record/845
DOI: 10.1515/PIKO.2005.66

Willig, A., &; Karl, H. (2005). Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions. Praxis Der Informationsverarbeitung Und Kommunikation, (2), 86--92.https://doi.org/10.1515/PIKO.2005.86 
LibreCat: /record/846
DOI: 10.1515/PIKO.2005.86

Karl, H. (2005). Ad Hoc Networks. In The Industrial Information Technology Handbook (pp. 1--16).
LibreCat: /record/848

Valentin, S., Gross, J., Karl, H., &; Wolisz, A. (2005). Adaptive scheduling for heterogeneous traffic flows in cellular wireless OFDM-FDMA systems. In 10th IFIP International Conference on Personal Wireless Communications/PWC’05, Comar, France, 2005.
LibreCat: /record/1013

Gross, J., Valentin, S., Karl, H., &; Wolisz, A. (2005). A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system. European Transactions on Telecommunications, 16(1), 37–49.https://doi.org/10.1002/ett.1030 
LibreCat: /record/1378
DOI: 10.1002/ett.1030

Köpke, A., Karl, H., &; Wolisz, A. (2004). Consensus in WSN – Identifying critical protocol mechanisms. In GI / ITG Fachgespräche Drahtlose Sensornetzwerke.
LibreCat: /record/2529

Aguiar, A., Karl, H., &; Wolisz, A. (2004). Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy. In Proceedings of European Wireless 2004, Barcelona / Spain .
LibreCat: /record/1911

Gross, J., Klaue, J., Karl, H., &; Wolisz, A. (2004). Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming. Computer Communications, (11), 1044--1055.https://doi.org/10.1016/j.comcom.2004.01.010 
LibreCat: /record/850
DOI: 10.1016/j.comcom.2004.01.010

Niebert, N., Schieder, A., Abramowicz, H., Malmgren, G., Sachs, J., Horn, U.,https://doi.org/10.1109/MWC.2004.1295733__Karl, H. (2004). Ambient networks: An architecture for communication networks beyond 3G. IEEE Wireless Communications, (2), 14--22.https://doi.org/10.1109/MWC.2004.1295733 
LibreCat: /record/851
DOI: 10.1109/MWC.2004.1295733

Handziski, V., Köpke, A., Karl, H., Frank, C., &; Drytkiewicz, W. (2004). Improving the Energy Efficiency of Directed Diffusion Using Passive Clustering. In Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings (pp. 172--187).https://doi.org/10.1007/978-3-540-24606-0_12 
LibreCat: /record/852
DOI: 10.1007/978-3-540-24606-0_12

Typpö, V., Eisl, J., Höller, J., Agüero, R., &; Karl, H. (2004). Research Challenges in Mobility and Moving Networks: An Ambient Networks View. In Broadband Satellite Comunication Systems and the Challenges of Mobility - IFIP T Workshops on Broadband Satellite Communication Systems and Challenges of Mobility, World Computer Congress, August 22-27, 2004, Toulouse, France (pp. 145--155).https://doi.org/10.1007/0-387-24043-8_15 
LibreCat: /record/853
DOI: 10.1007/0-387-24043-8_15

Frank, C., &; Karl, H. (2004). Consistency challenges of service discovery in mobile ad hoc networks. In Proceedings of the 7th International Symposium on Modeling Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2004, Venice, Italy, October 4-6, 2004 (pp. 105--114).https://doi.org/10.1145/1023663.1023684 
LibreCat: /record/854
DOI: 10.1145/1023663.1023684

Marie Feeney, L., Hollos, D., Kubisch, M., Mengesha, S., &; Karl, H. (2004). A Geometric Derivation of the Probability of Finding a Relay in Multi-rate Networks. In NETWORKING 2004, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication, Third International IFIP-T Networking Conference, Athens, Greece, May 9-14, 2004, Proceedings (pp. 1312--1317).https://doi.org/10.1007/978-3-540-24693-0_112 
LibreCat: /record/855
DOI: 10.1007/978-3-540-24693-0_112

Hollos, D., Karl, H., &; Wolisz, A. (2004). Regionalizing global optimization algorithms to improve the operation of large ad hoc networks. In 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004 (pp. 819--824).https://doi.org/10.1109/WCNC.2004.1311292 
LibreCat: /record/856
DOI: 10.1109/WCNC.2004.1311292

Raguin, D., Kubisch, M., Karl, H., &; Wolisz, A. (2004). Queue-driven cut-through medium access in wireless ad hoc networks. In 2004 IEEE Wireless Communications and Networking Conference , WCNC 2004, Atlanta, Georgia, USA, 21-25 March 2004 (pp. 1909--1914).https://doi.org/10.1109/WCNC.2004.1311845 
LibreCat: /record/857
DOI: 10.1109/WCNC.2004.1311845

Karl, H. (2004). Data Transmission in Mobile Communication Systems. In Location-Based Services (pp. 207--244).
LibreCat: /record/858

Karl, H., Willig, A., &; Wolisz, A. (Eds.). (2004). Wireless Sensor Networks. First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings.https://doi.org/10.1007/b94854 
LibreCat: /record/859
DOI: 10.1007/b94854

Niebert, N., Flinck, H., Hancock, R., Karl, H., &; Prehofer, C. (2004). Ambient Networks--Research for Communication Networks Beyond 3G. In 13th IST Mobile and Wireless Communications-Summit 2004.
LibreCat: /record/988

Gross, J., Paoluzzi, I., Karl, H., &; Wolisz, A. (2004). Throughput study for a dynamic OFDM-FDMA system with inband signaling. In Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th (pp. 1787--1791).
LibreCat: /record/992

Klimin, N., Enkelmann, W., Karl, H., &; Wolisz, A. (2004). A hybrid approach for location-based service discovery in vehicular ad hoc networks. Proc. of WIT.
LibreCat: /record/993

Carlson, E., Karl, H., Wolisz, A., &; Prehofer, C. (2004). Distributed allocation of time slots for real-time traffic in a wireless multi-hop network. In Proc. European Wireless. Barcelona/Spain.
LibreCat: /record/997

Mengesha, S., Karl, H., &; Wolisz, A. (2004). Capacity increase of multi-hop cellular wlans exploiting data rate adaptation and frequency recycling. Proc. of MedHocNet 2004.
LibreCat: /record/998

Carlson, E., Bettstetter, C., Karl, H., Prehofer, C., &; Wolisz, A. (2004). Distributed maintenance of resource reservation paths in multihop 802.11 networks. In Vehicular Technology Conference, 2004. V-Fall. 2004 IEEE 60th (pp. 2994--2998).
LibreCat: /record/1002

Gross, J., Karl, H., &; Wolisz, A. (2004). On the effect of inband signaling and realistic channel knowledge on dynamic OFDM-FDMA systems. In European Wireless 2004.
LibreCat: /record/1006

Kubisch, M., Karl, H., &; Wolisz, A. (2004). A MAC protocol for wireless sensor networks with multiple selectable, fixed-orientation antennas. Frequenz, (3–4), 92--96.https://doi.org//10.1.1.3.3185 
LibreCat: /record/1017
DOI: /10.1.1.3.3185

Gross, J., Karl, H., &; Wolisz, A. (2004). Throughput optimization of dynamic OFDM-FDMA systems with inband signaling. In 2nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks 2004 (WiOpt 2004).
LibreCat: /record/1019

Handziski, V., Köpke, A., Karl, H., &; Wolisz, A. (2003). A common wireless sensor network architecture? Berlin.
LibreCat: /record/2533

Drytkiewicz, W., Sroka, S., Handzisk, V., Köpke, A., &; Karl, H. (2003). A Mobility Frame work for OMNeT++. In Proc. of 3rd International OMNeT++ Workshop at Budapest University of Technology and Economics.
LibreCat: /record/2535

Fu, X., Chen, T., Festag, A., Karl, H., Schäfer, G., &; Fan, C. (2003). Secure, QoS-Enabled Mobility Support for IP-based Networks. In Proceedings IP Based Cellular Network Conference IPCN, Paris / France, Dezember .
LibreCat: /record/1913

Geerdes, H.-F., &; Karl, H. (2003). The Potential of Relaying in Cellular Networks . In Proceedings of INOC 2003, Evry/Paris.
LibreCat: /record/1914

Aguiar, A., Hoene, C., Klaue, J., Karl, H., Miesmer, H., &; Wolisz, A. (2003). Channel-aware Schedulers for VoIP and MPE based on Channel Prediction. In Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC’03).
LibreCat: /record/1917

Savoric, M., Karl, H., &; Wolisz, A. (2003). The TCP control block interdependence in fixed networks - new performance results. Computer Communications, (4), 366--375.https://doi.org/10.1016/S0140-3664(02)00155-X 
LibreCat: /record/860
DOI: 10.1016/S0140-3664(02)00155-X

Zirwas, W., Habetha, J., &; Karl, H. (2003). Ziel-orientierter Entwurf von Multi-hop Medienzugriffsprotokollen. Praxis Der Informationsverarbeitung Und Kommunikation, (4), 184--189.https://doi.org/10.1515/PIKO.2003.184 
LibreCat: /record/861
DOI: 10.1515/PIKO.2003.184

Aguiar, A., Karl, H., Wolisz, A., &; Miesmer, H. (2003). A Framework for Evaluating Effects of Channel Prediction Inaccuracy on the Performance of Channel Adaptive Techniques. In Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, USA (pp. 3--9).
LibreCat: /record/862

Gross, J., Karl, H., H. P. Fitzek, F., &; Wolisz, A. (2003). Comparison of Heuristic and Optimal Subcarrier Assignment Algorithms. In Proceedings of the International Conference on Wireless Networks, ICWN ’03, June 23 - 26, 2003, Las Vegas, Nevada, USA (pp. 249--255).
LibreCat: /record/863

J. M. Havinga, P., Etalle, S., Karl, H., Petrioli, C., Zorzi, M., Kip, H., &; Lentsch, T. (2003). EYES - Energy Efficient Sensor Networks. In Personal Wireless Communications, IFIP-T 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings (pp. 198--201).https://doi.org/10.1007/978-3-540-39867-7_20 
LibreCat: /record/864
DOI: 10.1007/978-3-540-39867-7_20

Kubisch, M., Karl, H., &; Wolisz, A. (2003). Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-hop Networks? In Personal Wireless Communications, IFIP-T 8th International Conference, PWC 2003, Venice, Italy, September 23-25, 2003, Proceedings (pp. 841--846).https://doi.org/10.1007/978-3-540-39867-7_78 
LibreCat: /record/865
DOI: 10.1007/978-3-540-39867-7_78

Köpke, A., Willig, A., &; Karl, H. (2003). Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels. In Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30 - April 3, 2003 (pp. 513--523).https://doi.org/10.1109/INFCOM.2003.1208702 
LibreCat: /record/866
DOI: 10.1109/INFCOM.2003.1208702

Sroka, S., &; Karl, H. (2003). Performance Evaluation of a QoS-Aware Handover Mechanism. In Proceedings of the Eighth IEEE Symposium on Computers and Communications (ISCC 2003), 30 June - 3 July 2003, Kiris-Kemer, Turkey (pp. 117--124).https://doi.org/10.1109/ISCC.2003.1214110 
LibreCat: /record/867
DOI: 10.1109/ISCC.2003.1214110

Kubisch, M., Mengesha, S., Hollos, D., Karl, H., &; Wolisz, A. (2003). Applying ad-hoc relaying to improve capacity, energy efficiency, and immission in infrastructure-based WLANs. In Kommunikation in Verteilten Systemen KiVS, 13. Fachtagung Kommunikation in Verteilten Systemen. KiVS 2003, 25.-28. Februar 2003, Leipzig, Eine Veranstaltung der Informationstechnischen Gesellschaft (ITG/VDE) unter Beteiligung der Gesellschaft für Informatik (GI) Ausgerichtet von der Universität Leipzig (pp. 195--206).https://doi.org/10.1007/978-3-642-55569-5_16 
LibreCat: /record/868
DOI: 10.1007/978-3-642-55569-5_16

Festag, A., Karl, H., &; Wolisz, A. (2003). Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks. In Kommunikation in Verteilten Systemen (KiVS), 13. Fachtagung Kommunikation in Verteilten Systemen. KiVS 2003, 25.-28. Februar 2003, Leipzig, Eine Veranstaltung der Informationstechnischen Gesellschaft (ITG/VDE) unter Beteiligung der Gesellschaft für Informatik (GI) Ausgerichtet von der Universität Leipzig (pp. 233--244).https://doi.org/10.1007/978-3-642-55569-5_19 
LibreCat: /record/869
DOI: 10.1007/978-3-642-55569-5_19

Kubisch, M., Karl, H., Wolisz, A., Charlie Zhong, L., &; M. Rabaey, J. (2003). Distributed algorithms for transmission power control in wireless sensor networks. In 2003 IEEE Wireless Communications and Networking, WCNC 2003, New Orleans, LA, USA, 16-20 March, 2003 (pp. 558--563).https://doi.org/10.1109/WCNC.2003.1200410 
LibreCat: /record/870
DOI: 10.1109/WCNC.2003.1200410

Drytkiewicz, W., Sroka, S., Handziski, V., Köpke, A., &; Karl, H. (2003). A mobility framework for omnet++. In 3rd International OMNeT++ workshop.
LibreCat: /record/987

Karl, H. (2003). An overview of energy-efficiency techniques for mobile communication systems. Report of AG Mobikom W.
LibreCat: /record/989

Gross, J., Klaue, J., Karl, H., &; Wolisz, A. (2003). Subcarrier allocation for variable bit rate video streams in wireless OFDM systems. In Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th (pp. 2481--2485).
LibreCat: /record/991

Karl, H., Löbbers, M., &; Nieberg, T. (2003). A data aggregation framework for wireless sensor networks. In Proc. Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing.
LibreCat: /record/994

Klaue, J., Gross, J., Karl, H., &; Wolisz, A. (2003). Semantic-aware link layer scheduling of mpeg-4 video streams in wireless systems. In 3rd Workshop of Applications and Services in Wireless Networks 2003 (ASWN 2003).
LibreCat: /record/999

Neumann, A., Fu, X., &; Karl, H. (2003). Prototype implementation and performance evaluation of a QoS-conditionalized handoff scheme for mobile IP networks. In Computer Communications, 2003. CCW 2003. Proceedings. 2003 IEEE 18th Annual Workshop on (pp. 24--29).
LibreCat: /record/1008

Aguiar, A. C. C., Hoene, C., Klaue, J., Karl, H., Miesmer, H., &; Wolisz, A. (2003). Channel-Aware Schedulers For Voip And Mpe For Wireless Communications. In Proc. of 8th Intl. Workshop on Mobile Multimedia Communications (MoMuC’03).
LibreCat: /record/1024

Karl, H., Mengesha, S., &; Hollos, D. (2002). Relaying in Wireless Access Networks . London: Business Briefing: Wireless Technology 2002.
LibreCat: /record/2538

Köpke, A., Handziski, V., &; Karl, H. (2002).  Making sensor networks intelligent. In Proc. 7th Wireless World Research Forum (WWRF). Eindhoven/Netherlands.
LibreCat: /record/2541

Miesmer, H., Sanneck, H., Aguier, A., &; Karl, H. (2002). Concepts for a QoS-enabled, TCP/IP-oriented Link Layer in Beyond 3G Networks. In Proc. of 6th Wireless World Forum. London / GB.
LibreCat: /record/2544

Hollos, D., &; Karl, H. (2002). A HiperLAN/2 simulation model in OMNeT++. In Proc. of 2nd Intl. OMNet Workshop. Berlin .
LibreCat: /record/2548

Ngo-Quynh, T., Karl, H., Wolisz, A., &; Rebensburg, K. (2002). New Scheduling Algorithm for Providing Proportional Jitter in  Differentiated Service Network . In Proc. IST Mobile &; Wireless Telecommunications Summit 2002.
LibreCat: /record/1921

Fu, X., Karl, H., &; Kappler, C. (2002). QoS-Conditionalized Handoff for Mobile IP. In NETWORKING 2002, Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; and Mobile and Wireless Communications, Second International IFIP-T Networking Conference, Pisa, Italy, May 19-24, 2002, Proceedings (pp. 721--730).https://doi.org/10.1007/3-540-47906-6_58 
LibreCat: /record/871
DOI: 10.1007/3-540-47906-6_58

Hollos, D., &; Karl, H. (2002). A protocol extension to HiperLAN/2 to support single-relay networks. In Mobile Ad-Hoc Netzwerke, 1. deutscher Workshop über Mobile Ad-Hoc Netzwerke WMAN 2002, 25.-26. März 2002 in Ulm (pp. 91--107).
LibreCat: /record/872

Xing, W., Karl, H., Wolisz, A., &; Müller, H. (2002). M-SCTP: Design and prototypical implementation of an end-to-end mobility concept. In In Proc. 5th Intl. Workshop The Internet Challenge: Technology and Applications (p. 43).
LibreCat: /record/990

Quynh, T. N., Karl, H., Wolisz, A., &; Rebensburg, K. (2002). Using only Proportional Jitter Scheduling at the boundary of a Differentiated Service Network: simple and efficient. In Universal Multiservice Networks, 2002. ECUMN 2002. 2nd European Conference on (pp. 116--123).
LibreCat: /record/1001

Sroka, S., &; Karl, H. (2002). Using akaro with omnet++. In 2nd International OMNeT++ Workshop, Berlin, Germany.
LibreCat: /record/1009

Ngo-Quynh, T., Karl, H., Wolisz, A., &; Rebensburg, K. (2002). New scheduling algorithm for providing proportional jitter in differentiated services network. Proceedings of IST Mobile Communication and Wireless Telecommunications Summit, Thessaloniki, Greece.
LibreCat: /record/1014

Aguiar, A., Karl, H., &; Wolisz, A. (2002). Effects of prediction inaccuracy on the performance of channelstate-aware link layer schedulers. In Proc. of 1st Intl. Conf. on Mobile and Ubiquitous Multimedia (pp. 21--33).
LibreCat: /record/1020

Karl, H. (2001). Relaying in Wireless Access Networks –   A Capacity and Energy-Efficiency Perspective . In Proc. Wireless World Research Forum Kickoff Meeting (WWRF). München.
LibreCat: /record/2552

Karl, H. (2001). Relaying ñ bad for energy,  good for capacity? Rom/Italy: Eork-in-progress session of mobicom 2001.
LibreCat: /record/2554

Karl, H., &; Hentschel, T. (2001). IBMS 2 - Integriertes Bandbreiteneffizientes Mobiles Software-Radio System. In Zukunftsperspektiven der Mobilkommunikation, Symposium Bundesministerium für Bildung und Forschung.
LibreCat: /record/2556

Mengesha, S., Karl, H., &; Wolisz, A. (2001). Improving Goodput by Relaying in Transmission-Power-Limited Wireless Systems. In GI Jahrestagung (1) (pp. 537--544).
LibreCat: /record/873