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UMTS is real. In a continuously growing number of countries we can walk in the stores of mobile network operators or resellers and take UMTS PC cards or even third-generation (3G) phones home and use them instantly. Every day the number of equipments and their feature sets gets broader. The “dream” of multimedia on mobile connections, online gaming, video conferencing, real-time video or even mobile TV becomes reality. With rapid technical innovation the mobile telecommunication sector has continued to grow and evolve strongly | UMTS SIGNALING UMTS Interfaces Protocols Message Flows and Procedures Analyzed and Explained SECOND EDITION R. K REH ER T. RÚĐEBUSCH WILEY Contents Preface xiii Acknowledgments xvii About the Authors xix 1 UMTS Basics 1 1.1 Standards 2 1.2 Network Architecture 4 1.2.1 GSM 4 1.2.2 UMTS Release 99 5 1.2.3 UMTS Release 4 7 1.2.4 UMTS Release 5 8 1.2.5 HSPA 12 1.2.6 UMTS Release 6 21 1.2.7 UMTS Release 7 and Beyond 24 1.2.8 TD-SCDMA 26 1.3 UMTS Interfaces 28 1.3.1 Iu Interface 28 1.3.2 Iub Interface 29 1.3.3 Iur Interface 29 1.4 UMTS Domain Architecture 31 1.5 UTRAN 31 1.5.1 RNC 33 1.5.2 Node B 35 1.5.3 Area Concept 35 1.5.4 UMTS User Equipment and USIM 36 1.5.5 Mobiles 38 1.5.6 QoS Architecture 39 1.6 UMTS Security 41 1.6.1 Historic Development 41 1.6.2 UMTS Security Architecture 46 1.6.3 Authentication and Key Agreement AKA 48 1.6.4 Kasumi Misty 53 1.6.5 Integrity - Air Interface Integrity Mechanism 55 vi Contents 1.6.6 1.6.7 Confidentiality - Encryption Ciphering on Uu and lub UMTS Network Transactions 58 63 1.7 Radio Interface Basics 63 1.7.1 Duplex Methods 64 1.7.2 Multiple Access Methods 64 1.7.3 UMTS CDMA 65 1.7.4 CDMA Spreading Channelization 66 1.7.5 Microdiversity - Multipath FDD and TDD 67 1.7.6 Microdiversity - Softer Handover FDD 67 1.7.7 Macrodiversity - Soft Handover FDD 68 1.7.8 UMTS Spreading FDD and TDD 68 1.7.9 Scrambling 69 1.7.10 Coding Summary FDD 69 1.7.11 Signal to Interference FDD 69 1.7.12 Cell Breathing FDD 70 1.7.13 UMTS Channels FDD and TDD 72 1.7.14 Transport Channels FDD and TDD 74 1.7.15 Common Transport Channels FDD and TDD 74 1.7.16 Dedicated Transport Channels FDD and TDD 75 1.7.17 Initial UE Radio Access FDD 76 1.7.18 Power Control FDD and TDD 77 1.7.19 UE Random Access FDD 79 1.7.20 Power Control in Soft Handover FDD 80 1.8 UMTS Network Protocol Architecture 81 1.8.1 Iub - Control Plane 82 1.8.2 Iub - User Plane 83 1.8.3 lur - User Control Plane 84 1.8.4 luCS - User Control Plane 85 1.8.5 IuPS - User Control Plane 86 1.8.6 E - User
