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5G Core Part 2 — PDU Session and Default QoS-Flow

Introduction

Part 1 of this series of 5G articles provides a quick overview of what is 5G mobile core network or 5GC. It covers the SMF, AMF, PCF, QoS Flow, SDF, DRB, and AN_Tunnel and CN_Tunnels etc…. It also shows how a UE (User Equipment such as a 5G Smartphone) can establish a PDU session via the new 5G new radio (gNB) to a Data Network (DN) for traffic exchange. For…

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