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Fundamentals of LTE by Rias Muhamed, Jeffrey G. Andrews, Jun Zhang, Arunabha Ghosh

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Chapter 10. Data Flow, Radio Resource Management, and Mobility Management

Building on the physical layer procedures discussed in previous chapters, in this chapter we describe higher-layer protocols and mobility management in LTE. Radio resource management and inter-cell interference mitigation techniques will also be discussed in this chapter. However, before discussing higher-layer protocols, we first introduce the concept of bearer for Quality of Service (QoS) control and the protocol architecture of LTE.

LTE is a packet-switched network from end to end that is designed primarily for high-speed data services. To efficiently support the varying QoS requirements of different IP applications, LTE uses the concept of a bearer as the central element ...

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