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Dive into the research topics where Johannes Willig is active.

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Featured researches published by Johannes Willig.


world of wireless mobile and multimedia networks | 2009

Optimized mobile push distribution for multimedia files

Johannes Willig; Stefan Ålund

The traffic volume of multimedia content delivery to mobile phones is increasing at high pace. Mobile applications that receive pushed multimedia content have an important role in this evolution, and put requirements on integration concepts for reliable and optimized push data delivery mechanisms. This paper provides insights in prototyping experiences of developing a Unicast-Broadcast end-to-end system for multimedia files based on SMS push and MBMS technology. The key focus is on existing Unicast push technology, the prototype evolution, available device interfaces and the architectural features of the prototype system. Furthermore, the article elaborates issues and possible solutions for large scale deployment of hybrid content distribution systems. To address 3rd party developers, an open lab environment for application development is presented.


Archive | 2011

Methods and Devices for Media Description Delivery

Johannes Willig; Daniel Catrein; Frank Hartung; Markus Kampmann; Frederic Gabin


Archive | 2010

TECHNIQUE FOR RESOURCE CREATION IN A CLOUD COMPUTING SYSTEM

Daniel Catrein; Renee Rembarz; Johannes Willig


Archive | 2010

SESSION CONTROL FOR MEDIA STREAM TRANSMISSION

Johannes Willig; Daniel Catrein; Frank Hartung; Markus Kampmann


Archive | 2011

Technique for video conferencing

Johannes Willig; Laurits Hamm; Matthias Schreiber


Archive | 2008

Technique for Content Management using Group Rights

Daniel Catrein; Frank Hartung; Johannes Willig


Archive | 2008

Control of content delivery in broadcast/multicast networks

Markus Kampmann; Daniel Catrein; Johannes Willig


Archive | 2009

Adaptation of Content Transmission in Mobile Networks

Stefan Ålund; Johannes Willig


Archive | 2009

Client Entity, Network Entity and Data Replacement Entity

Daniel Catrein; Frank Hartung; Markus Kampmann; Thorsten Lohmar; Thomas Rusert; Johannes Willig


Archive | 2008

TECHNIQUE FOR CONTROLLING BEARER SELECTION

Thorsten Lohmar; Johannes Willig

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Frank Hartung

University of Erlangen-Nuremberg

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