Chapter 15

5G Radio Access Network

Learning Objectives

After studying this chapter, you should be able to:

  • Explain the roles of gNB, ng-eNB, en-gNB, and eNB nodes in a RAN architecture

  • Discuss the various interfaces that are prominent parts of a RAN

  • Present an overview of the fronthaul, midhaul, and backhaul elements of a RAN transport network

  • Make a presentation on the need for and the architecture of integrated access and backhaul

This chapter provides an overview of key aspects of the radio access network portion of a 5G system. Section 15.1 provides an overview of radio access network (RAN) architecture, highlighting the roles of various types of RAN nodes. Section 15.2 details the functional split between the RAN and the core network. ...

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