Contents
vi
1.6.3 LTE 21
1.6.4 LTE Network Architecture 21
1.7 Fourth Generation Cellular Systems 22
1.7.1 Key Technologies of 4G 23
1.7.2 Network Architecture 24
1.7.3 Beyond 3G and 4G Cellular Systems Security 25
1.7.4 LTE Security Model 26
1.7.5 Security in WiMAX 27
1.8 Conclusion 27
References 28
2 5G Mobile Networks: Requirements, Enabling Technologies,
and Research Activities 31
Van‐Giang Nguyen, Anna Brunstrom, Karl‐Johan Grinnemo,
and Javid Taheri
2.1 Introduction 31
2.1.1 What is 5G? 31
2.1.2 Typical Use Cases 32
2.2 5G Requirements 33
2.2.1 High Data Rate and Ultra Low Latency 34
2.2.2 Massive Connectivity and Seamless Mobility 35
2.2.3 Reliability and High Availability 35
2.2.4 Flexibility and Programmability 36
2.2.5 Energy, Cost and Spectrum Efficiency 36
2.2.6 Security and Privacy 36
2.3 5G Enabling Technologies 37
2.3.1 5G Radio Access Network 38
2.3.2 5G Mobile Core Network 44
2.3.3 5G End‐to‐End System 46
2.4 5G Standardization Activities 48
2.4.1 ITU Activities 48
2.4.2 3GPP Activities 49
2.4.3 ETSI Activities 50
2.4.4 IEEE Activities 51
2.4.5 IETF Activities 52
2.5 5G Research Communities 52
2.5.1 European 5G Related Activities 52
2.5.2 Asian 5G Related Activities 53
2.5.3 American 5G Related Activities 54
2.6 Conclusion 55
2.7 Acknowledgement 55
References 55
3 Mobile Networks Security Landscape 59
Ahmed Bux Abro
3.1 Introduction 59