Based on IMS convergence and open next-generation network

Author: Zhang Zhijiang et al.
Publisher:
Publish Date: 2007-02-01
Features: This book introduces the origin of next-generation networks, softswitch and IMS technology, the development history of mobile core networks, and relevant international standard organizations. Combining the latest advancements in IMS, it explains the system architecture of IMS, related protocols, interfaces, processes, and key technologies for IMS operation, including security, QoS, billing, user management, network management, and CSI. Additionally, it analyzes IMS-related standards in 3GPP and 3GPP2, discusses the convergence of next-generation mobile core networks, fixed-mobile convergence, and the progress of such integrations. Finally, based on current trends in telecommunications technology, it analyzes the NGN structure based on IMS, the relationship between NGN entities and IMS, the convergence and interoperability of NGN with WLAN and WiMAX, and introduces the business requirements and services in IMS. The book is well-structured and comprehensive, making it suitable for professionals working in telecommunications, especially those involved in the research and development of mobile communication systems, as well as operators and maintenance personnel. It can also serve as a reference for students and researchers engaged in related fields.