Ralf Keller

According to our database, Ralf Keller authored at least 29 papers between 1992 and 2008.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2008

Network Virtualization: A Viable Path Towards the Future Internet.

Norbert Niebert, Ibtissam El Khayat, Stephan Baucke, Ralf Keller, René Rembarz, Joachim Sachs

Wirel. Pers. Commun., 2008

2006

ScaleNet - Converged Networks of the Future (ScaleNet - Konvergente Netze der Zukunft).

Matthias Siebert, Bangnan Xu, M. Grigat, Erik Weiss, Nico Bayer, Dmitry Sivchenko, Thomas-Rolf Banniza, Klaus Wünstel, Stefan Wahl, Rolf Sigle, Ralf Keller, Armin Dekorsy, Markus Bauer, Michael Söllner, Josef Eichinger, C. Fan, F. Pittmann, Ralph Kühne, Morten Schläger, Ingmar Baumgart, Roland Bless, S. Stefanov

it Inf. Technol., 2006

IP basierte mobile Systeme (IP based Networks).

Ralf Keller

it Inf. Technol., 2006

Voice Call Continuity - A Novel Mobility Scheme for Voice on Call Control Level.

Ralf Keller, Marc Vorwerk, Colin Barschel

Proceedings of the 64th IEEE Vehicular Technology Conference, 2006

2005

Mobile Network Evolution - "The Return of the Pipe".

Ralf Keller, Fredrik Alriksson, Zoltán Richard Turányi, György Miklós

Wirel. Pers. Commun., 2005

Provisioning and performance of mobility-aware personalized push services in wireless broadband hotspots.

Ian Herwono, Joachim Sachs, Ralf Keller

Comput. Networks, 2005

Integration of media point system in UMTS to provide session handover for SIP-based multimedia services.

Ian Herwono, Joachim Sachs, Ralf Keller

Proceedings of the IEEE 16th International Symposium on Personal, 2005

2004

Support of Multicast Services in 3GPP.

Thorsten Lohmar, Henning Wiemann, Frank Hundscheidt, Michael Meyer, Ralf Keller

Prax. Inf.verarb. Kommun., 2004

2003

Multi-Access in Future Generations.

Ralf Keller, Ralf Tönjes

Wirel. Pers. Commun., 2003

2002

Flow-control for multi-access systems.

Ralf Tönjes, Thorsten Lohmar, Marc Vorwerk, Ralf Keller

Proceedings of the 13th IEEE International Symposium on Personal, 2002

Realization of a push service for Media Points based on SIP.

G. Plitsis, Ralf Keller, Joachim Sachs

Proceedings of The Fourth IEEE Conference on Mobile and Wireless Communications Networks, 2002

2001

Convergence of Broadcast and New Telecom Networks.

Ralf Keller, Thorsten Lohmar, Ralf Tönjes, Jörn Thielecke

Wirel. Pers. Commun., 2001

Convergence of cellular and broadcast networks from a multi-radio perspective.

Ralf Keller, Thorsten Lohmar, Ralf Tönjes, Jörn Thielecke

IEEE Wirel. Commun., 2001

2000

Traffic Phase Effects with RED and Constant Bit Rate UDP-Based Traffic.

Jörg Diederich, Thorsten Lohmar, Martina Zitterbart, Ralf Keller

Proceedings of the Quality of Future Internet Services, 2000

Adaptive mobile applications over cellular advanced radio.

Ernö Kovacs, Ralf Keller, Thorsten Lohmar, Rainer Kroh, Albert Held

Proceedings of the 11th IEEE International Symposium on Personal, 2000

On Integrating Differentiated Services and UMTS Networks.

Jörg Diederich, Thorsten Lohmar, Martina Zitterbart, Ralf Keller

Proceedings of the Proceedings 27th Conference on Local Computer Networks, 2000

1999

Wireless ATM for broadband multimedia wireless access: the ATMmobil project.

Ralf Keller, Bernhard Walke, Gerhard P. Fettweis, Gert Bostelmann, Karl Heinz Möhrmann, Christoph Herrmann, Rolf Kraemer

IEEE Wirel. Commun., 1999

1998

Electronic Commerce in Deutschland und weltweit: Neue Zahlungssysteme und ihre Anwendungsgebiete.

Konrad Wondra, Ralf Keller, Ian Herwono, Fiona Williams

Prax. Inf.verarb. Kommun., 1998

1996

Anwendungsprotokolle für verteilte Multimedia-Systeme.

Ralf Keller

PhD thesis, 1996

1995

XMovie: Architecture and Implementation of a Distributed Movie System.

Ralf Keller, Wolfgang Effelsberg, Bernd Lamparter

ACM Trans. Inf. Syst., 1995

Effiziente Verarbeitung von multimedialen Datenströmen in Window-Systemen.

Ralf Keller, Wolfgang Effelsberg

Informationstechnik Tech. Inform., 1995

Quality of Service Mapping in Distributed Multimedia Systems.

Stefan Fischer, Ralf Keller

Proceedings of the International Conference on Multimedia Networking, 1995

Architektur und Implementierung eines Anwendungsprotokolls für digitale Filme.

Ralf Keller

Proceedings of the Kommunikation in Verteilten Systemen, Neue Länder - Neue Netze, 1995

1994

Implementing Movie Control, Access and Management - From a Formal Description to a Working Multimedia System.

Ralf Keller, Stefan Fischer, Wolfgang Effelsberg

Proceedings of the 14th International Conference on Distributed Computing Systems, 1994

1993

Performance Bottlenecks in Digital Movie Systems.

Ralf Keller, Wolfgang Effelsberg, Bernd Lamparter

Proceedings of the Network and Operating System Support for Digital Audio and Video, 1993

MCAM: An Application Layer Protocol for Movie Control, Access, and Management.

Ralf Keller, Wolfgang Effelsberg

Proceedings of the First ACM International Conference on Multimedia '93, 1993

Erweiterung des X11-Servers zur digitalen Bewegtbilddarstellung.

Ralf Keller

Proceedings of the Kommunikation in Verteilten Systemen, 1993

Application layer issues for digital movies in high-speed networks.

Wolfgang Effelsberg, Bernd Lamparter, Ralf Keller

Proceedings of the Architecture and Protocols for High-Speed Networks [1st Int. Workshop, 1993

1992

Erweiterung von X für digitale Filme.

Ralf Keller, Bernd Lamparter, Wolfgang Effelsberg

Prax. Inf.verarb. Kommun., 1992