GPRS: Gateway to Third Generation Mobile Networks

GPRS: Gateway to Third Generation 
Mobile Networks......Page 4
Copyright......Page 5
Contents......Page 8
Preface......Page 14
1.1 The Network Architecture of GSM......Page 18
1.1.1 The BSS......Page 19
1.1.2 The Network Switching Subsystem......Page 21
1.1.3 The GSM Mobile Station and the SIM......Page 25
1.2.1 SDMA......Page 27
1.2.2 FDMA......Page 28
1.2.3 TDMA......Page 29
1.3 Chronological Sequence of Uplink and Downlink Transmission......Page 30
1.4 Problems of Transmission Delay in TDMA Systems — Timing Advance Control......Page 31
1.4.1 Timing Advance Control When Accessing the Network......Page 32
1.4.2 Timing Advance Control During a Connection......Page 33
1.5.1 The 51 Multiframe......Page 34
1.5.2 The 26 Multiframe......Page 38
1.5.3 The Frame Hierarchy......Page 39
1.6.1 Introduction and Overview......Page 40
1.6.3 Channel Coding......Page 41
1.6.4 Interleaving and Burst Generating......Page 48
1.6.5 The Encrypting Function in GSM ( Ciphering/ Encryption in GSM)......Page 49
1.6.6 Burst Forming and Modulation......Page 51
1.7 Data Services in GSM......Page 59
1.7.1 CSD ( TCH/ F 9.6 Kbps)......Page 61
2.1 The History ¡ª From GSM to UMTS......Page 66
2.1.1 HSCSD......Page 67
2.1.3 Enhanced Data Rates for GSM or Global Evolution......Page 68
2.1.4 Universal Mobile Telecommunication System and UTRAN......Page 70
2.1.5 GPRS as a Forerunner of 3G and UMTS......Page 71
2.2 Definitions: Circuit Switched and Packet Switched......Page 72
2.2.1 Circuit Switching......Page 73
2.2.2 Packet Switching......Page 76
2.2.3 Summary......Page 77
2.3.1 A High Number of Accesses of Short Duration......Page 78
2.3.2 Packet Data Overhead......Page 84
2.3.4 The Handover Problem......Page 85
2.4 The Combined GSM/ GPRS Network Architecture......Page 87
2.4.1 The Packet Control Unit......Page 88
2.4.2 The Serving GPRS Support Node......Page 92
2.4.3 The Gateway GPRS Support Node......Page 95
2.4.5 Overview of the GSM/ GPRS Network as a Whole......Page 99
2.5 The Mobile Station in GPRS......Page 100
2.5.1 The Multislot Classes......Page 101
2.5.2 GPRS: The Class A, B, and C Mobile Stations......Page 103
3.1.1 Structure and Multiplexing on the 52 Multiframe......Page 106
3.2 The Packet Data Channels......Page 109
3.2.1 The PBCCH......Page 110
3.2.2 The PCCCH......Page 112
3.2.3 The PDTCH and the PACCH......Page 113
3.2.4 The PTACC......Page 114
3.2.6 The Network Operation Modes ( NOM I, NOM II, and NOM III)......Page 115
3.3 Timing Advance Control in GPRS......Page 118
3.3.1 The Continuous Timing Advance Update Procedure......Page 119
3.4 The Coding Schemes CS- 1 to CS- 4......Page 123
3.4.1 Coding Scheme 1......Page 126
3.4.2 Coding Schemes 2 and 3......Page 128
3.4.3 Coding Scheme 4......Page 130
3.4.4 Use of the Different Coding Schemes......Page 131
3.4.5 Differentiation of the Coding Schemes......Page 132
3.5.1 The Definition of TBF and TFI......Page 133
3.6.1 The Various Network Access Possibilities......Page 136
3.7.1 Resource Allocation in the Downlink Direction......Page 142
3.7.2 Resource Allocation in the Uplink Direction......Page 144
3.8.1 The Operation of the PACCH for Downlink TBFs......Page 152
3.8.2 The Operation of the PACCH for Uplink TBFs......Page 153
3.9.1 The Termination of a Downlink TBF......Page 154
3.9.2 The Termination of an Uplink TBF......Page 155
4.1.1 New Identification Parameters for GMM......Page 160
4.1.2 New Procedures in GMM......Page 163
4.2 QoS in GPRS......Page 186
4.2.2 QoS Parameters in GPRS Releases 97 and 98......Page 187
4.3 Session Management in GPRS......Page 192
4.3.1 The Activation of a PDP Context by the Mobile Station......Page 194
5 The GPRS Protocol Stack......Page 204
5.1 The RLC/ MAC Protocol......Page 206
5.1.1 The Acknowledged Mode in RLC ¡ª The ARQ Method......Page 207
5.1.2 The Frame Format of RLC/ MAC......Page 211
5.1.3 The Parameters in RLC/ MAC Frames......Page 212
5.2 The LLC Protocol......Page 220
5.2.1 Functions of LLC......Page 222
5.2.2 The Frame Format of LLC......Page 226
6.1 Overview......Page 228
6.1.1 Asymmetrical Connections......Page 229
6.1.2 Transparent and Nontransparent Connections......Page 230
6.1.4 Data Rates......Page 231
6.2.1 Split/ Combine Function......Page 232
6.2.2 Channel Bundling on the Air Interface......Page 239
6.2.3 Features of the Mobile Station......Page 247
6.3.1 Function Blocks in the Signal Chain......Page 249
6.3.2 Call Setup......Page 254
6.4.1 ISDN Data Frames......Page 255
6.4.2 Network Independent Clocking......Page 264
6.4.3 Rate Adaptations......Page 265
6.4.4 RLP......Page 286
6.4.5 Layer 2 Relay......Page 290
List of Acronyms......Page 302
About the Authors......Page 310
Index......Page 312