André Perez 
Mobile Networks Architecture 

This book explains the evolutions of architecture for mobiles and
summarizes the different technologies:

– 2G: the GSM (Global System for Mobile) network, the GPRS
(General Packet Radio Service) network and the EDGE (Enhanced Data
for Global Evolution) evolution;

– 3G: the UMTS (Universal Mobile Telecommunications System)
network and the HSPA (High Speed Packet Access) evolutions:

– HSDPA (High Speed Downlink Packet Access),

– HSUPA (High Speed Uplink Packet Access),

– HSPA+;

– 4G: the EPS (Evolved Packet System) network.

The telephone service and data transmission are the two main
services provided by these networks. The evolutions are
fundamentally dictated by the increase in the rate of data
transmission across the radio interface between the network and
mobiles.

This book is intended as a readily understandable support to help
students and professionals wishing to quickly acquire the main
concepts of networks for mobiles understand the technologies
deployed.

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Preface ix

Chapter 1. The GSM Network 1

1.1. Services 2

1.2. The architecture of the network 3

1.3. The radio interface 17

1.4. Communication management 36

Chapter 2. The GPRS Network 53

2.1. Services 54

2.2. Network architecture 56

2.3. Radio interface 68

2.4. Communication management 85

2.5. The EDGE evolution 95

Chapter 3. The UMTS Network 105

3.1. The services 106

3.2. The architecture of the network 107

3.3. Radio interface 116

3.4. Communication management 138

3.5. HSPA evolutions 145

Chapter 4. The NGN 155

4.1. Network architecture 156

4.2. Communication management 164

Chapter 5. The EPS Network 175

5.1. Network architecture 176

5.2. The radio interface 188

5.3. Communication management 211

Chapter 6. The IMS Network 227

6.1. The SIP 228

6.2. The IMS architecture 236

6.3. Communication management 243

List of Abbreviations 253

Bibliography 263

Index 267

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André Perez is a Consultant and a Trainer in networks and telecommunications.