— Next-generation mobile communication systems will provide “always best connected” services to mobile users via cellular networks that provide wide area coverage for global ...
The trend of Next Generation Networks' (NGN) evolution is towards providing multiple and multimedia services to users through ubiquitous networks. The aim of IP Multimedia Sub...
The paper presents an MPEG-7 Multimedia Description Schemes (MDS)-based metadata and user profile model used within an enhanced DTV environment for semantic annotation and person...
With the tremendous growth of World Wide Web (WWW), the door has been opened to a multitude of services and information for even the most casual of users. Today, many wireless and ...
We develop a framework to study differentiated services when there are competing network providers. We adopt a multi-class queueing model, where providers post prices for various s...