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

Wireless Sensor Networks
H. Karl, A. Willig, A. Wolisz, eds., Wireless Sensor Networks, First European Workshop, EWSN 2004, Berlin, Germany, January 19-21, 2004, Proceedings, 2004.
LibreCat: /record/859
DOI: 10.1007/b94854

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

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

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

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

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

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

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

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

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

A common wireless sensor network architecture?
V.  Handziski, A. Köpke, H. Karl, A. Wolisz, A Common Wireless Sensor Network Architecture?, Berlin, 2003.
LibreCat: /record/2533

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

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

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

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

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

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

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

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

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

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

Chaotic Maps as Parsimonious Bit Error Models of Wireless Channels
A. Köpke, A. Willig, H. Karl, 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, 2003, pp. 513--523.
LibreCat: /record/866
DOI: 10.1109/INFCOM.2003.1208702

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

Applying ad-hoc relaying to improve capacity, energy efficiency, and immission in infrastructure-based WLANs
M. Kubisch, S. Mengesha, D. Hollos, H. Karl, A. Wolisz, 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, 2003, pp. 195--206.
LibreCat: /record/868
DOI: 10.1007/978-3-642-55569-5_16

Classification and Evaluation of Multicast-Based Mobility Support in All-IP Cellular Networks
A. Festag, H. Karl, A. Wolisz, 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, 2003, pp. 233--244.
LibreCat: /record/869
DOI: 10.1007/978-3-642-55569-5_19

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

A mobility framework for omnet++
W. Drytkiewicz, S. Sroka, V. Handziski, A. Köpke, H. Karl, in: 3rd International OMNeT++ Workshop, 2003.
LibreCat: /record/987

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

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

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

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

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

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

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

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

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

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

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

QoS-Conditionalized Handoff for Mobile IP
X. Fu, H. Karl, C. Kappler, 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, 2002, pp. 721--730.
LibreCat: /record/871
DOI: 10.1007/3-540-47906-6_58

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

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

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

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

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

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

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

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

IBMS 2 - Integriertes Bandbreiteneffizientes Mobiles Software-Radio System
H. Karl, T. Hentschel, in: Zukunftsperspektiven Der Mobilkommunikation, Symposium Bundesministerium Für Bildung Und Forschung, 2001.
LibreCat: /record/2556

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

Analysing capacity improvements in wireless networks by relaying
H. Karl, S. Mengesha, in: Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks, 2001, pp. 339--348.
LibreCat: /record/995

Relative jitter packet scheduling for differentiated services
T. Quynh, H. Karl, A. Wolisz, K. Rebensburg, in: Proc. 9th IFIP Conf. Perf. Modeling and Eval. of ATM &; IP Networks, 2001.
LibreCat: /record/996

The influence of proportional jitter and delay on end to end delay in differentiated service network
T.N. Quynh, H. Karl, A. Wolisz, K. Rebensburg, in: Network Computing and Applications, 2001. NCA 2001. IEEE International Symposium On, 2001, pp. 354--357.
LibreCat: /record/1016

Predictable Network Computing using Message-driven Scheduling
H. Karl, A. Polze, M. Werner, in: Proc. the Workshop on Run-Time Systems for Parallel Programming, 2000.
LibreCat: /record/1920

Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project
H. Karl, in: High-Performance Computing and Networking, 7th International Conference, HPCN Europe 1999, Amsterdam, The Netherlands, April 12-14, 1999, Proceedings, 1999, pp. 841--850.
LibreCat: /record/874
DOI: 10.1007/BFb0100644

Coscheduling through Synchronized Scheduling Servers -- A Prototype and Experiments
H. Karl, in: Parallel and Distributed Processing, 11 IPPS/SPDP’99 Workshops Held in Conjunction with the 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing, San Juan, Puerto Rico, USA, April 12-16, 1999, Proceedings, 1999, pp. 1115--1129.
LibreCat: /record/875
DOI: 10.1007/BFb0097997

Bridging the gap between distributed shared memory and message passing
H. Karl, Concurrency - Practice and Experience (1998) 887--900.
LibreCat: /record/876
DOI: 10.1002/(SICI)1096-9128(199809/11)10:11/13&#60;887::AID-CPE416&#62;3.0.CO;2-0

An infrastructure for network computing with Java applets
A. Baratloo, M. Karaul, H. Karl, Z. M. Kedem, Concurrency -- Practice and Experience (1998) 1029--1041.
LibreCat: /record/877
DOI: 10.1002/(SICI)1096-9128(199809/11)10:11/13&#60;1029::AID-CPE412&#62;3.0.CO;2-U

Experimental investigation of message latencies in the Totem protocol in the Presence of faults
H. Karl, M. Werner, L. Küttner, IEEE Proceedings -- Software (1998) 219--227.
LibreCat: /record/878
DOI: 10.1049/ip-sen:19982443

An Experimental Investigation of Message Latencies in the Totem Protocol in the Presence of Faults
H. Karl, M. Werner, L. Kuttner, in: 24th EUROMICRO ’98 Conference, Engineering Systems and Software for the Next Decade, 25-27 August 1998, Vesteras, Sweden, 1998, pp. 10468--10475.
LibreCat: /record/879
DOI: 10.1109/EURMIC.1998.711841

An optimal checkpointing interval for real-time systems
H. Karl, M. Werner, in: Proc. Intl. Conf. Parallel and Distributed Processing Techniques and Applications, 1998, pp. 604--612.
LibreCat: /record/1012

KnittingFactory: An Infrastructure for Distributed Web Applications
A. Baratloo, M. Karaul, H. Karl, Z.M. Kedem, Technical Report (1997).
LibreCat: /record/1445

ReGTime - Rent Gigaflops someTimes
B. Dreier, A. Huber, M. Zahn, H. Karl, T. Ungerer, in: Proceedings Trends in Distributed Systems, 1996.
LibreCat: /record/1918

ReGTime - Rent Gigaflops someTimes
B. Dreier, A. Huber, H. Karl, T. Ungerer, M. Zahn, in: Trends in Distributed Systems: CORBA and Beyond, International Workshop TreDS ’96, Aachen, Germany, October 1-2, 1996, Proceedings, 1996, pp. 84--93.
LibreCat: /record/880
DOI: 10.1007/3-540-61842-2_28