Cloud & Network Synergy

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EPC-NSA Solution Fulfills Requirement of 5G Early Deployment. Introduction

EPC-NSA Solution is based on 4G Dual Connectivity technology with additional enhancements. 5G New Radio (NR) gNB is assumed to have the role similar to secondary eNB, and LTE eNB is assumed to have the role similar to Master eNB. In order to support 5G eMBB commercial deployment, ZTE EPC core network is enhanced with following features: 1) EPC-NSA service right control per subscriber based on HSS. 2) Qos control extension to supports extreme large bandwidth per subscriber in NR access scenario. 3) Session decision based on 5G capability reported by UE. 4) NR usage reporting and accounting. 5) Selection of 5G capable SGW and PGW for 5G session Furthermore, ZTE EPC core network is enhanced with platform feature and performance for EPC-NSA, for example: SDN/NFV, service orchestration, user plane acceleration, control plane and user plane separation, cloud native. All the enhancements bring convenience to operators to deploy a manageable, easy networking, high efficient, low TCO solution to operator.

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