Journal ArticleDOI
The IMS service platform: a solution for next-generation network operators to be more than bit pipes
TLDR
IMS is examined from a mobile operator's perspective and its possible adaptation to the next-generation networks is analysed.Abstract:
As third-generation (mobile) networks (3G networks) become a commercial reality, strong movements are emerging in the direction of a common infrastructure based on the Internet protocol (IP) The users' mobile devices are like another IP host connected to the Internet In such a scenario, the network operator infrastructure is degraded to bit pipes To avoid this, the 3G partnership project (3GPP) and ETSI TISPAN have designed IP multimedia subsystem (IMS), a service platform that aims to place the network operator again in the central role of service provisioning In this article we examine IMS from a mobile operator's perspective and analyse its possible adaptation to the next-generation networksread more
Citations
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Journal ArticleDOI
Joint Forensics-Scheduling Strategy for Delay-Sensitive Multimedia Applications over Heterogeneous Networks
TL;DR: This work develops a joint forensics-scheduling scheme, which allocates the available network resources based on the affordable forensics overhead and expected quality of service, adaptively adjusts the scalable media-aware forensics, and schedules the transmissions to meet the application's delay constraints.
Journal ArticleDOI
Governance mechanisms for mobile service innovation in value networks
TL;DR: In this article, an international survey among operators, content providers and application developers in the Mobile Internet services domain, which is noted for its complex inter-organizational networks, was conducted.
Journal ArticleDOI
Distributed Rate Allocation Policies for Multihomed Video Streaming Over Heterogeneous Access Networks
TL;DR: In this paper, an analytical framework for optimal rate allocation based on observed available bit rate (ABR) and round-trip time (RTT) over each access network and video distortion-rate (DR) characteristics is proposed.
Posted Content
Distributed Rate Allocation Policies for Multi-Homed Video Streaming over Heterogeneous Access Networks
TL;DR: The results demonstrate that, in comparison with heuristic AIMD-based schemes, both media-aware allocation and Hinfin-optimal control benefit from proactive congestion avoidance and reduce the average packet loss rate from 45% to below 2%.
Journal ArticleDOI
Autonomic control and personalization of a wireless access network
TL;DR: An application which exploits the capabilities of the Simplicity system is presented: a mechanism to drive mobile users towards the most appropriate point of access to the network, taking into account both user preferences and network context.
References
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Book ChapterDOI
SIP: Session Initiation Protocol
Jonathan Rosenberg,Henning Schulzrinne,G. Camarillo,Alan B. Johnston,J. Peterson,Robert Sparks,Mark Handley,Eve M. Schooler +7 more
TL;DR: Session Initiation Protocol (SIP) as discussed by the authors is an application layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants, such as Internet telephone calls, multimedia distribution, and multimedia conferences.
Diameter Base Protocol
TL;DR: The Diameter base protocol is intended to provide an Authentication, Authorization and Accounting framework for applications such as network access or IP mobility, and needs to be supported by all Diameter implementations.
Book
The 3G IP Multimedia Subsystem (IMS) : Merging the Internet and the Cellular Worlds
TL;DR: This book explains how the IETF developed these protocols and describes how these protocols are used in the IMS architecture, and provides details on the latest policy technology and security architecture written by experienced professionals in the field.
Book
The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Cellular Worlds, Second Edition
Diameter Credit-Control Application
TL;DR: This document specifies a Diameter application that can be used to implement real-time credit-control for a variety of end user services such as network access, Session Initiation Protocol services, messaging services, and download services.