Ralf Keller

Publication Activity (10 Years)

Years Active: 1992-2008
Publications (10 Years): 0

University of Mannheim, Germany (PHD)

Education History

University of Mannheim, Germany

PHD

Publications

Norbert Niebert, Ibtissam El Khayat, Stephan Baucke, Ralf Keller, René Rembarz, Joachim Sachs
Network Virtualization: A Viable Path Towards the Future Internet. Wirel. Pers. Commun. 45 (4) (2008)
Ralf Keller
IP basierte mobile Systeme (IP based Networks). it Inf. Technol. 48 (5) (2006)
Ralf Keller, Marc Vorwerk, Colin Barschel
Voice Call Continuity - A Novel Mobility Scheme for Voice on Call Control Level. VTC Fall (2006)
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
ScaleNet - Converged Networks of the Future (ScaleNet - Konvergente Netze der Zukunft). it Inf. Technol. 48 (5) (2006)
Ian Herwono, Joachim Sachs, Ralf Keller
Integration of media point system in UMTS to provide session handover for SIP-based multimedia services. PIMRC (2005)
Ian Herwono, Joachim Sachs, Ralf Keller
Provisioning and performance of mobility-aware personalized push services in wireless broadband hotspots. Comput. Networks 49 (3) (2005)
Ralf Keller, Fredrik Alriksson, Zoltán Richard Turányi, György Miklós
Mobile Network Evolution - "The Return of the Pipe". Wirel. Pers. Commun. 33 (3-4) (2005)
Thorsten Lohmar, Henning Wiemann, Frank Hundscheidt, Michael Meyer, Ralf Keller
Support of Multicast Services in 3GPP. Prax. Inf.verarb. Kommun. 27 (3) (2004)
Ralf Keller, Ralf Tönjes
Multi-Access in Future Generations. Wirel. Pers. Commun. 26 (2-3) (2003)
Ralf Tönjes, Thorsten Lohmar, Marc Vorwerk, Ralf Keller
Flow-control for multi-access systems. PIMRC (2002)
G. Plitsis, Ralf Keller, Joachim Sachs
Realization of a push service for Media Points based on SIP. MWCN (2002)
Ralf Keller, Thorsten Lohmar, Ralf Tönjes, Jörn Thielecke
Convergence of cellular and broadcast networks from a multi-radio perspective. IEEE Wirel. Commun. 8 (2) (2001)
Ralf Keller, Thorsten Lohmar, Ralf Tönjes, Jörn Thielecke
Convergence of Broadcast and New Telecom Networks. Wirel. Pers. Commun. 17 (2-3) (2001)
Jörg Diederich, Thorsten Lohmar, Martina Zitterbart, Ralf Keller
On Integrating Differentiated Services and UMTS Networks. LCN (2000)
Ernö Kovacs, Ralf Keller, Thorsten Lohmar, Rainer Kroh, Albert Held
Adaptive mobile applications over cellular advanced radio. PIMRC (2000)
Jörg Diederich, Thorsten Lohmar, Martina Zitterbart, Ralf Keller
Traffic Phase Effects with RED and Constant Bit Rate UDP-Based Traffic. QofIS (2000)
Ralf Keller, Bernhard Walke, Gerhard P. Fettweis, Gert Bostelmann, Karl Heinz Möhrmann, Christoph Herrmann, Rolf Kraemer
Wireless ATM for broadband multimedia wireless access: the ATMmobil project. IEEE Wirel. Commun. 6 (5) (1999)
Konrad Wondra, Ralf Keller, Ian Herwono, Fiona Williams
Electronic Commerce in Deutschland und weltweit: Neue Zahlungssysteme und ihre Anwendungsgebiete. Prax. Inf.verarb. Kommun. 21 (1) (1998)
Ralf Keller, Wolfgang Effelsberg
Effiziente Verarbeitung von multimedialen Datenströmen in Window-Systemen. Informationstechnik Tech. Inform. 37 (4) (1995)
Ralf Keller
Architektur und Implementierung eines Anwendungsprotokolls für digitale Filme. Kommunikation in Verteilten Systemen (1995)
Stefan Fischer, Ralf Keller
Quality of Service Mapping in Distributed Multimedia Systems. MMNET (1995)
Ralf Keller, Wolfgang Effelsberg, Bernd Lamparter
XMovie: Architecture and Implementation of a Distributed Movie System. ACM Trans. Inf. Syst. 13 (4) (1995)
Ralf Keller, Stefan Fischer, Wolfgang Effelsberg
Implementing Movie Control, Access and Management - From a Formal Description to a Working Multimedia System. ICDCS (1994)
Ralf Keller, Wolfgang Effelsberg, Bernd Lamparter
Performance Bottlenecks in Digital Movie Systems. NOSSDAV (1993)
Wolfgang Effelsberg, Bernd Lamparter, Ralf Keller
Application layer issues for digital movies in high-speed networks. Architecture and Protocols for High-Speed Networks (1993)
Ralf Keller, Wolfgang Effelsberg
MCAM: An Application Layer Protocol for Movie Control, Access, and Management. ACM Multimedia (1993)
Ralf Keller
Erweiterung des X11-Servers zur digitalen Bewegtbilddarstellung. Kommunikation in Verteilten Systemen (1993)
Ralf Keller, Bernd Lamparter, Wolfgang Effelsberg
Erweiterung von X für digitale Filme. Prax. Inf.verarb. Kommun. 15 (4) (1992)

Ralf Keller.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Ralf Keller