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5G migration strategy: From EPS to 5G system

Hexagons and 3G, 4G, 5G letters. Evolution of cellular mobile communication networks. 3D illustration.
Introducing the 5GS to provide mobile broadband (MBB) in an existing 4G EPS network has significant impacts across all network domains – from the RAN, to packet core, user data and policies, and services – as well as backend systems. This Ericsson Technology Review article provides an overview of all the aspects that CSPs need to consider when putting together a robust EPS-to-5GS migration strategy and provides guidance about how they can adapt the transition to address their particular needs per domain.
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