This article is an overview of the processes describing the transition to 4G LTE from 2G/3G. Mobile operators must look for strategies and solutions that will enhance their existing 3G networks, while addressing their 4G deployment requirements without requiring a "forklift" upgrade. It explains how multimedia core solutions can deliver optimum user experience and build efficient networks. Topics cover in this article is:
1) Evolving the Packet Core
2) Standard Interfaces and Protocols
3) Converged Mobility and Policy Management
4) Common Core Platform
5) Integrating EPC Network Functions
6) Convergence of 3G and 4G Core Networks
7) Easing the Migration
8) Intelligence in the Network
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