Preface xiii
List of Figures xv
List of Tables xxiii
List of Abbreviations xxv
1 Global System for Mobile Communications (GSM) 1
1.1 Circuit-Switched Data Transmission 1
1.1.1 Classic Circuit Switching 1
1.1.2 Virtual Circuit Switching over IP 3
1.2 Standards 4
1.3 Transmission Speeds 4
1.4 The Signaling System Number 7 5
1.4.1 The Classic SS-7 Protocol Stack 6
1.4.2 SS-7 Protocols for GSM 8
1.4.3 IP-Based SS-7 Protocol Stack 9
1.5 The GSM Subsystems 10
1.6 The Network Subsystem 11
1.6.1 The Mobile Switching Center (MSC) 11
1.6.2 The Visitor Location Register (VLR) 13
1.6.3 The Home Location Register (HLR) 14
1.6.4 The Authentication Center 18
1.6.5 The Short Messaging Service Center (SMSC) 19
1.7 The Base Station Subsystem (BSS) and Voice Processing 21
1.7.1 Frequency Bands 21
1.7.2 The Base Transceiver Station (BTS) 23
1.7.3 The GSM Air Interface 24
1.7.4 The Base Station Controller (BSC) 30
1.7.5 The TRAU for Voice Encoding 34
1.7.6 Channel Coder and Interleaver in the BTS 38
1.7.7 Ciphering in the BTS and Security Aspects 39
1.7.8 Modulation 42
1.7.9 Voice Activity Detection 43
1.8 Mobility Management and Call Control 44
1.8.1 Call Reselection and Location Area Update 44
1.8.2 The Mobile-Terminated Call 46
1.8.3 Handover Scenarios 49
1.9 The Mobile Device 51
1.10 The SIM Card 53
1.11 The Intelligent Network Subsystem and CAMEL 58
1.12 Questions 60
References 60
2 General Packet Radio Service (GPRS) and EDGE 63
2.1 Circuit-Switched Data Transmission over GSM 63
2.2 Packet-Switched Data Transmission over GPRS 64
2.3 The GPRS Air Interface 66
2.3.1 GPRS vs. GSM Timeslot Usage on the Air Interface 66
2.3.2 Mixed GSM/GPRS Timeslot Usage in a Base Station 68
2.3.3 Coding Schemes 68
2.3.4 Enhanced Datarates for GSM Evolution (EDGE) 70
2.3.5 Mobile Device Classes 73
2.3.6 Network Mode of Operation 73
2.3.7 GPRS Logical Channels on the Air Interface 75
2.4 The GPRS State Model 77
2.5 GPRS Network Elements 80
2.5.1 The Packet Control Unit (PCU) 80
2.5.2 The Serving GPRS Support Node (SGSN) 81
2.5.3 The Gateway GPRS Support Node (GGSN) 83
2.6 GPRS Radio Resource Management 84
2.7 GPRS Interfaces 88
2.8 GPRS Mobility Management and Session Management (GMM/SM) 92
2.8.1 Mobility Management Tasks 93
2.8.2 GPRS Session Management 94
2.9 Session Management from a User Point of View 97
2.10 Small Screen Web Browsing over GPRS and EDGE 100
2.10.1 WAP 1.1 Used in Early GPRS Devices 101
2.10.2 WAP 2.0 103
2.10.3 Small Screen Web Browsing with Network Side Compression 104
2.10.4 Small Screen Web Browsing – Quality of Experience 105
2.11 The Multimedia Messaging Service (MMS) over GPRS 106
2.12 Web Browsing via GPRS 110
2.12.1 Impact of Delay on the Web-Browsing Experience 110
2.12.2 Web Browser Optimization for Mobile Web Browsing 112
2.13 Questions 113
References 113
3 Universal Mobile Telecommunications Systems (UMTS) and High-Speed
Packet Access (HSPA) 115
3.1 Overview, History and Future 115
3.1.1 3GPP Release 99: The First UMTS Access Network Implementation 116
3.1.2 3GPP Release 4: Enhancements for the Circuit-Switched Core Network 119
3.1.3 3GPP Release 5: IMS and High-Speed Downlink Packet Access 119
3.1.4 3GPP Release 6: High-Speed Uplink Packet Access (HSUPA) 122
3.1.5 3GPP Release 7: Even Faster HSPA and Continued Packet Connectivity 122
。。。。目录太长,后面省略
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