A performance evaluation framework of a rate-controlled MPEG video transmission over UMTS networks
Please cite this item using this persistent URLhttp://hdl.handle.net/11693/26931
Proceedings - IEEE Symposium on Computers and Communications
- Conference Paper 
UMTS is designed to offer high bandwidth radio access with QoS assurances for multimedia communications. In particular, real-time video communications services are expected to become a successful experience under UMTS networks. In this context, a video transmission service can be designed over the basis that UMTS can provide either a constant bit rate data channel or a dynamic variable bit rate data channel adapted to load conditions. In this latter approach, which is more efficient for both the user and the service provider, multimedia sources have to be timely designed in order to adapt their output rate to the instantaneous allowed channel rate. The target of this paper is to define an analytical model of adaptive real-time video sources in a UMTS network where system resources are dynamically shared among active users. © 2007 IEEE.
Showing items related by title, author, creator and subject.
Gerek O.N.; Altunbasak, Y. (1997)This paper describes a method for selecting key frames by using a number of parameters extracted from the MPEG video stream. The parameters are directly extracted from the compressed video stream without decompression. A ...
Aksoy, S.; Çavuş Ö. (2005)Content-based retrieval in news video databases has become an important task with the availability of large quantities of data in both public and proprietary archives. We describe a relevance feedback technique that captures ...
Baştan, M.; Güdükbay, U.; Ulusoy O. (2008)We describe a method to automatically extract important video objects for object-based indexing. Most of the existing salient object detection approaches detect visually conspicuous structures in images, while our method ...