GSM EDGE: Evolution and Performance

GSM/EDGE......Page 5

Contents......Page 7

Acknowledgements......Page 17
Acronyms......Page 19
PART I GSM/EDGE STANDARDIZATION......Page 29
1.1 Introduction......Page 31
1.2 History......Page 32
1.4 Phase 2......Page 33
1.5.2 Phase 2+, R97......Page 34
1.5.4 Phase 2+, R99......Page 35
1.5.5 Phase 2+, Rel-4......Page 36
1.5.6 Phase 2+, Rel-5......Page 37
1.5.7 Phase 2+, Rel-6......Page 38
1.5.8 Phase 2+, Rel-7......Page 39
1.5.9 Phase 2+, Rel-8......Page 40
References......Page 41
2.1 Introduction......Page 43
2.2.1 Introduction......Page 44
2.2.2 EGPRS2-A......Page 45
2.2.3 EGPRS2-B......Page 46
2.2.4 Modulation and Pulse Shaping......Page 47
2.2.5 Coding and Puncturing......Page 53
2.2.6 Link Adaptation......Page 57
2.3.1 Introduction......Page 60
2.3.2 Functional Description......Page 61
2.3.4 Implementation Aspects......Page 66
2.4 Mobile Station Receiver Diversity......Page 68
2.4.1 The Concept of MSRD......Page 69
2.4.2 MSRD Radio Channel Modeling and Performance Requirements......Page 70
2.4.3 Link Level Performance of MSRD......Page 71
2.5.1 Introduction......Page 75
2.5.2 Reduced Transmission Time Interval......Page 76
2.5.3 Fast Ack/Nack Reporting......Page 79
2.5.4 RLC Non-Persistent Mode......Page 86
2.5.6 Implementation Aspects......Page 87
References......Page 88
3.1 Introduction......Page 91
3.2.1 Interworking Requirements and Mechanisms......Page 92
3.2.2 Service Continuity......Page 94
3.2.3 E-UTRAN Information in GERAN System Information......Page 96
3.2.4 Priority-Based Inter-RAT Cell Re-Selection in GERAN......Page 98
3.2.5 Inter-RAT Measurement Reporting and Control......Page 101
3.2.6 Inter-RAT PS Handover......Page 102
3.2.7 Mobile Station’s Interworking Capabilities with E-UTRA......Page 103
3.2.8 CSG Mobility from GERAN......Page 105
3.3.1 Architecture......Page 107
3.3.3 Control Plane Aspects......Page 110
3.4 Multi-Carrier BTS (MCBTS)......Page 112
3.4.2 Functional Description......Page 113
3.4.3 Impact of Usage of MCBTS on Unwanted Emissions......Page 115
3.4.4 Standardization in 3GPP TSG GERAN......Page 120
3.4.5 Status in Regulatory Bodies......Page 125
References......Page 126
4.1 Introduction......Page 129
4.2.1 Introduction......Page 130
4.2.2 Objectives......Page 131
4.2.3 Functional Description......Page 132
4.2.5 Implementation Aspects......Page 139
4.3.1 Introduction......Page 143
4.3.2 Wide Bandwidth Pulse Shape for Downlink......Page 144
4.4 H(e)NB Enhancements......Page 146
4.4.1 Idle Mode Mobility......Page 148
4.5 Security Improvements......Page 149
4.6 Local Call Local Switch......Page 151
4.6.2 Control Plane Aspects......Page 152
References......Page 153
PART II GSM/EDGE PERFORMANCE......Page 155
5.1 Introduction......Page 157
5.2 On the GSM Radio System Performance Engineering......Page 158
5.3.1 Semi-Analytical Methods......Page 159
5.3.2 Link Level Simulator......Page 160
5.3.3 System Level Simulator......Page 162
5.3.4 Link-to-System Interface......Page 164
5.4.1 Key Performance Indicators for Link Level Analysis......Page 171
5.5 EFL Methodology......Page 173
5.5.1 Network Performance Characterization......Page 174
References......Page 177
6.1 Introduction......Page 179
6.2 Overview of GSM Data Performance Evolution......Page 180
6.3.2 Simulation Models......Page 181
6.3.3 EGPRS Reference Link Performance......Page 182
6.3.4 EGPRS2 Link Performance......Page 186
6.3.5 EGPRS2 Uplink Performance......Page 188
6.3.6 EGPRS2 Pulse Shaping Filters......Page 190
6.3.8 Effect of Frequency Hopping......Page 193
6.3.9 EGPRS vs. EGPRS2 RLC Throughput......Page 195
6.4.1 Simulation Assumptions......Page 197
6.4.2 Simulation Results......Page 201
6.5 Downlink Dual Carrier Performance......Page 209
6.5.1 Network Simulation Model Including GERAN DLDC Architecture......Page 212
6.5.2 Simulation Results for Ideal Radio Conditions......Page 219
6.5.3 System Level Simulation Results for Regular Hexagonal Cell Deployment......Page 221
6.5.4 Summary......Page 225
6.6 DTM performance......Page 226
6.6.1 Fragmentation Issue......Page 227
6.6.3 Intra-Cell Handover Failures......Page 229
6.6.4 Conclusion......Page 234
6.7 GSM Data Evolution Performance Summary......Page 235
References......Page 236
7.1.1 Overview......Page 239
7.1.2 Introduction to Adaptive Multi-Rate (AMR) Coding......Page 240
7.1.3 Introduction to the Associated Control Channels......Page 243
7.2.2 The Repeated SACCH Procedure......Page 245
7.2.3 The Repeated SACCH Concept......Page 246
7.2.4 Case Study: Radio Link Failure......Page 247
7.3.1 Introduction......Page 248
7.3.2 The Repeated Downlink FACCH Procedure......Page 249
7.3.3 Case Study: Handover......Page 250
References......Page 261
8.1 Introduction......Page 263
8.2.1 Voice Capacity......Page 264
8.2.2 Voice Performance KPIs and Hardware Efficiency......Page 266
8.3 AMR and SAIC Performance......Page 267
8.3.1 Adaptive Multi-Rate (AMR)......Page 268
8.3.2 Downlink Advanced Receiver Performance (DARP)......Page 269
8.3.3 AMR DARP Link Performance......Page 271
8.4.1 The Principles of the DL Concept......Page 273
8.4.2 The Principles of UL Concept......Page 275
8.4.3 Downlink VAMOS Link Performance with AMR......Page 276
8.4.4 Uplink VAMOS Link Performance with AMR......Page 287
8.4.5 System Level Performance......Page 289
8.4.6 OSC Measurements Results......Page 299
8.5 Conclusion......Page 303
References......Page 304
9.2 Introduction......Page 305
9.3 Audio Bandwidth Extension for More Natural Sounding Speech......Page 306
9.4.2 Experimental Design......Page 307
9.4.3 Test Conditions and Stimuli......Page 308
9.4.4 Listening Test Results......Page 309
9.5.1 Network Planning Model......Page 315
9.5.2 Network Coverage Analysis for AMR-WB......Page 316
9.5.3 Network Quality Analysis......Page 319
9.6 Network Quality and Capacity Advantage of AMR-WB over AMR-NB......Page 320
9.6.1 Simulation Model......Page 321
9.6.2 Quality Criteria......Page 322
9.6.3 Performance Results for Networks in Relaxed Frequency Reuse Planning......Page 324
9.6.4 Performance Results for Networks in Tight Frequency Reuse Planning......Page 326
9.7 Conclusion......Page 329
References......Page 332
10.1 Introduction......Page 333
10.2 Frequency Hopping Basics......Page 334
10.3.1 Static MAIO Management......Page 335
10.3.2 Dynamic MAIO Management......Page 339
10.4 Inter-Site and Intra-Site Interference Management......Page 341
10.4.1 Extended Static MAIO Management......Page 342
10.5.1 Interference Control......Page 346
10.5.2 DFCA Channel Allocation......Page 348
10.5.3 Channel Allocation Based on Service-Specific C/I Requirements......Page 350
10.5.4 Forced Half-Rate Mode......Page 351
10.5.5 DFCA Performance Results......Page 352
References......Page 365
11.1 Introduction......Page 367
11.2 Quality of Service Management......Page 368
11.2.2 3GPP QoS Architecture in GERAN......Page 370
11.3.2 Calculation of the Available Capacity......Page 379
11.3.3 Calculation of the Needed Capacity......Page 380
11.3.4 Multiplexing of the Resources......Page 381
11.3.5 Channel Allocation......Page 383
11.3.6 Admission Control during PFC Runtime......Page 385
11.4.1 Scheduler......Page 386
11.4.2 Link Adaptation......Page 388
11.4.3 Load Balancing......Page 390
11.4.4 Countermeasures against Quality Degradation......Page 392
11.5 Performance of the QoS-aware GERAN Networks......Page 394
11.6 Enhanced GERAN Performance towards Conversational Services......Page 398
11.6.1 Network Assisted Cell Change......Page 399
11.6.2 PS Handover......Page 402
References......Page 407
12.2 Progressive Power Control for AMR......Page 409
12.2.1 Introduction......Page 410
12.2.2 PPC Impact on Power Levels......Page 412
12.2.3 PPC Impact on AMR Codec Modes......Page 414
12.2.4 Quality and Capacity Gains......Page 415
12.3.1 Introduction......Page 417
12.3.2 Dropped Calls in GERAN Networks......Page 419
12.3.3 Performance Improvements on the Associated Control Channels......Page 421
12.3.4 Network Simulation Model......Page 422
12.3.5 Simulation Results......Page 424
12.4 Handover Signaling Optimization......Page 430
12.6 AMR HR to AMR FR Handover Optimization......Page 433
12.7 Service Dependent Channel Allocation......Page 436
12.8 Advanced Abis Solutions......Page 441
12.8.1 Basic Principles for Saving Bandwidth and Costs......Page 442
12.8.2 Transport Aspects......Page 443
12.8.3 GERAN Transport Evolution for Different Network Scenarios......Page 446
References......Page 447
13.1 Introduction......Page 449
13.2 Energy Optimized Network Design......Page 450
13.3.1 Uplink Techniques......Page 452
13.3.2 Downlink Techniques......Page 453
13.3.3 Energy Savings Due to Coverage Enhancements......Page 454
13.4.1 AMR, SAIC and DFCA as Green Features......Page 456
13.4.2 OSC......Page 460
13.4.3 Power Control on Non-BCCH Transceivers......Page 462
13.4.5 Energy Savings Due to Capacity Enhancements......Page 463
13.5.1 Energy-Aware Resource Allocation......Page 465
13.5.2 TRX Power Down in Low Traffic Conditions......Page 468
13.5.3 Energy-Saving Mode on BCCH Transceiver......Page 473
13.6 Energy-Efficient BTS Site......Page 476
13.7 Renewable Energy Sources......Page 478
13.8 Energy Savings for Controllers and Transcoders......Page 480
References......Page 482
PART III EXTENDING THE GSM PARADIGM......Page 483
14.2 Standardization of MSR Base Station for Multimode Networks......Page 485
14.2.2 Deployment Scenarios......Page 486
14.2.3 Standardization in 3GPP GERAN......Page 487
14.4 Use of MSR Base Stations in Multimode Networks......Page 490
References......Page 492
15.2 Drivers for Convergence......Page 493
15.3.1 General GAN Architecture......Page 494
15.3.2 CS Control Plane Protocol Architecture in GAN......Page 495
15.3.4 PS Control Plane Protocol Architecture in GAN......Page 497
15.4.1 Modes of Operation: GAN or Cellular......Page 499
15.4.3 GAN Registration Procedure......Page 500
15.4.5 PLMN Selection......Page 501
15.5.2 Active Mode Mobility......Page 502
15.7.1 Supplementary Services......Page 504
15.8 Packet Switched Data (GPRS) over GAN......Page 505
15.10.2 GAN in Release 7......Page 506
15.12.1 Systematic Approach to GAN Set-up......Page 507
References......Page 508
Index......Page 509