5G Core Part 2 — PDU Session Establishment and Call Flow

Clifford Bridge, Bristol, UK [FB2016]

Introduction

Part 1 of this series of 5G articles provides a quick overview of the 5G System (5GS) particular its 5G mobile core (5GC). It briefly describes what are 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…