Introduction to 5G Network Engineering - Unit 10: 5G Core Network – Working with EPC and Non-3GPP Access
Key elements of successful 5G Core deployment include migration from legacy EPC, interworking with remaining EPC, non-3GPP access (including WiFi), security, network slicing policy, and service provision (including voice services). In this unit, we look at each of these in turn in order to build a solid understanding of the related issues.
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• Differentiate with clarity the role and use of 4G as part of the 5G NG-RAN radio system (including Dual Connectivity), and the requirement to interwork with the 4G EPC
• Illustrate using diagrams how the 5G Core can support non-3GPP access using the “standard” N1 and N2 reference points
• Discuss the main principles used in 5G security, relating the security architecture to 4G and previous generations – including any new security elements that are being introduced with 5G
• Compare and contrast the provision of IMS-based services (including voice) in 5G with 4G – highlighting differences (if any)