DEVAKI CHANDRAMOULI is Head of North American Standardization at Nokia. She leads the 5G System Architecture specification in 3GPP SA2. She holds an M.S. in Computer Science from the University of Texas at Arlington, USA.RAINER LIEBHART is Head of 5G Solution Architecture in Mobile Networks Global Product Sales at Nokia. He holds an M.S. in Mathematics from the Ludwig-Maximilians University in Munich, Germany.JUHO PIRSKANEN is a Standardization and Alliance Expert at Wirepas located in Tampere, Finland. He holds an M.S. in Engineering from Tampere University of Technology, Finland.

• About the Editors xviiList of Contributors xixForeword by Tommi Uitto xxiForeword by Karri Kuoppamaki xxiiiPreface xxvAcknowledgements xxviiIntroduction xxixTerminology xxxi1 Drivers and Motivation for 5G 1Betsy Covell and Rainer Liebhart1.1 Drivers for 5G 11.2 ITU-R and IMT 2020 Vision 31.3 NGMN (Next Generation Mobile Networks) 51.4 5GPPP (5G Public-Private Partnership) 81.5 Requirements for Support of Known and New Services 91.6 5G Use Cases 191.7 Business Models 261.8 Deployment Strategies 281.9 3GPP Role and Timelines 30References 342 Wireless Spectrum for 5G 35Juho Pirskanen, Karri Ranta-aho, Rauno Ruismäki and Mikko Uusitalo2.1 Current Spectrum for Mobile Communication 352.2 Spectrum Considerations for 5G 352.3 Identified New Spectrum 372.4 Spectrum Regulations 382.5 Characteristics of Spectrum Available for 5G 432.6 NR Bands Defined by 3GPP 46References 483 Radio Access Technology 51Sami Hakola, Toni Levanen, Juho Pirskanen, Karri Ranta-aho, Samuli Turtinen, Keeth Jayasinghe and Fred Vook3.1 Evolution Toward 5G 513.2 Basic Building Blocks 563.3 Downlink Physical Layer 833.4 Uplink Physical Layer 923.5 Radio Protocols 963.6 Mobile Broadband 117References 1244 Next Generation Network Architecture 127Devaki Chandramouli, Subramanya Chandrashekar, AndreasMaeder, Tuomas Niemela, Thomas Theimer and Laurent Thiebaut4.1 Drivers and Motivation for a New Architecture 1274.2 Architecture Requirements and Principles 1304.3 5G System Architecture 1394.4 NG RAN Architecture 1494.5 Non-Standalone and Standalone Deployment Options 1584.6 Identifiers 1614.7 Network Slicing 1634.8 Multi-Access Edge Computing 1714.9 Data Storage Architecture 1734.10 Network Capability Exposure 1804.11 Interworking and Migration 1824.12 Non-3GPP Access 1894.13 Fixed Mobile Convergence 1934.14 Network Function Service Framework 1964.15 IMS Services 2034.16 Emergency Services 2054.17 Location Services 2074.18 Short Message Service 2084.19 Public Warning System 2104.20 Protocol Stacks 2124.21 Charging 2184.22 Summary and Outlook of 5G System Features 2194.23 Terminology and Definitions 221References 2225 Access Control and Mobility Management 225Devaki Chandramouli, Subramanya Chandrashekar, JarmoMakinen,Mikko Säily and Sung HwanWon5.1 General Principles 2255.2 Mobility States and Functionalities 2285.3 Initial Access and Registration 2345.4 Connected Mode Mobility 2385.5 Idle Mode mobility and UE Reachability 2615.6 RRC Inactive State mobility and UE Reachability 2655.7 Beam Level Mobility 2685.8 Support for High Speed Mobility 2705.9 Support for Ultralow Latency and Reliable Mobility 2735.10 UE Mobility Restrictions and Special Modes 2765.11 Inter-System (5GS-EPS) Mobility 2775.12 Outlook 280References 2816 Sessions, User Plane, and QoS Management 283Devaki Chandramouli, Thomas Theimer and Laurent Thiebaut6.1 Introduction 2836.2 Basic Principles of PDU Sessions 2836.3 Ultra-reliable Low Latency Communication 2936.4 QoS Management in 5GS 2956.5 User Plane Transport 3016.6 Policy Control and Application Impact on Traffic Routing 3026.7 Session Management 3066.8 SMF Programming UPF Capabilities 309References 3107 Security 311Peter Schneider7.1 Drivers, Requirements and High-Level Security Vision 3117.2 Overall 5G Security Architecture 3167.3 3GPP Specific Security Mechanisms 3197.4 SDN Security 3277.5 NFV Security 3307.6 Network Slicing Security 3327.7 Private Network Infrastructure 335References 3358 Critical Machine Type Communication 337Zexian Li and Rainer Liebhart8.1 Introduction 3378.2 Key Performance Indicators 3408.3 Solutions 341References 3749 Massive Machine Type Communication and the Internet of Things 377Devaki Chandramouli, Betsy Covell, Volker Held, Hannu Hietalahti, Jürgen Hofmann and Rapeepat Ratasuk9.1 Massive M2M Versus IoT 3779.2 Requirements and Challenges 3799.3 Technology Evolution 3829.4 EPS Architecture Evolution 3849.5 Cellular Internet of Things 3919.6 GERAN 4059.7 LTE-M 4189.8 NB-IoT 4229.9 5G for M2M 4289.10 Comparison of EPS and 5GS 4319.11 Future Enhancements 4339.12 Other Technologies 438References 43810 Summary and Outlook 441Rainer Liebhart and Devaki Chandramouli10.1 Summary 44110.2 Outlook 442Appendix of 3GPP Reference Points 447Index 451