Chapter 3: Basic Architecture — 5G Mobile Networks: A Systems …
The first is to connect new 5G base stations to existing 4G-based EPCs, and then incrementally evolve the Mobile Core by refactoring the components and adding NG-Core capabilities over time. The second is to implement a backward-compatible NG-Core that can support both 4G and 5G base stations, where the new NG-Core could be implemented from ...