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4G: LTE/LTE-Advanced for Mobile Broadband, 2nd Edition by Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 8

Radio-Interface Architecture

Abstract

The overall architecture of the LTE radio-access network and the corresponding core network are discussed in this chapter. Following this introduction, a more detailed description of the radio-access network user-plane and control-plane protocols is provided.

Keywords

LTE; EPC; SAE; radio protocol architecture; logical channels; transport channels

This chapter contains a brief overview of the overall architecture of an LTE radio-access network and the associated core network, followed by descriptions of the radio-access network user-plane and control-plane protocols.

8.1 Overall system architecture

In parallel to the work on the LTE radio-access technology in 3GPP, the overall system architecture of ...

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