Chapter 1

5G Network Architecture

Abstract

5G network architecture has been designed to support fast and reliable connectivity as well as diverse applications and services, enabling flexible deployments using new concepts such as network function (NF) virtualization, software-defined networking, and network slicing. The 5G system supports a service-oriented architecture with modularized network services. The service-oriented 5G core network is built on the premise that 5G systems must support wide range of services with different characteristics and performance requirements. The service-oriented architecture and interfaces in the 5G systems make the future networks flexible, customizable, and scalable. Network service providers can leverage service-oriented ...

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