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Media Sharing Based on IMS in Symbian

Author: ChenQiFeng
Tutor: LiuJinGao
School: East China Normal University
Course: Communication and Information System
Keywords: IP Multimedia Subsystem ( IMS ) SIP signaling Symbian OS
CLC: TN919.8
Type: Master's thesis
Year: 2008
Downloads: 87
Quote: 2
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Abstract


3G era is approaching, ready to come out of a variety of innovative 3G communication value-added services. Both operators and server-side deployment or user terminal applications, are closer to the IMS system. IMS is a global access the independence of standard IP-based communication service control system, is a new form of multimedia 3G services. It can adapt to the end customers more innovative, more diverse multimedia Internet-based business needs. , IMS is the core technology of next generation network, but also to address the importance of integration of mobile and fixed-line. IP network based on SIP signaling for multimedia transmission services to achieve a reliable and diverse control. SIP is an HTTP-like text-based C / S mode point-to-point communication protocol for creating, modifying, and terminating IP Multimedia Dialogue, a new generation of IP-based services for telecommunications operators and their partners and customers. IMS provides powerful business capabilities and business integration capabilities, so that a variety of business into a unified SIP session mechanism, achieve coordinated control business, has facilitated the development and integration of multimedia value-added applications. IMS technology research focus is concentrated in the the IMS network server-side, often overlooked on the IMS client. However, the IMS client is the most direct interface to the end user experience many of the results of the IMS technology. The graphic image is an important carrier of human access to information, research shows that more than 70% of human valid information from the visual communication, so the client provides video services have become IMS and the urgent needs of the telecommunications industry. This article aims to take advantage of the IMS system video sharing research and development in the mobile network terminal. Unique mobile terminal operating system, real-time video interactive process and quality control, full IMS network video sharing capabilities. In this paper, the embedded operating system jointly developed by Nokia and Sony Ericsson Symbian, IMS technology and Symbian system, integrating a practical mobile communication service platform, highlighting the characteristics of multimedia mobile communication, intelligent and humane. Paper work and innovation performance in the following aspects: 1, the thesis advanced mobile embedded system Symbian system development process and task control. Papers for the first time IMS technology and Symbian system integrated into the development of mobile video services, to some extent, to fill some gaps at IMS terminal development at home and abroad. Papers for the first time in the Symbian OS SIP signaling communication logic. 4, the papers to solve the synchronization problem of the transmission of the media stream control and AMR-NB audio and H.263 video.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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