【資料名稱】：Radio Protocols for LTE and LTE-Advanced

【資料作者】：SeungJune Yi

【資料日期】：未知

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

Contents
Foreword by Takehiro Nakamura xiii
Preface xv
About the Authors xvii
1 Introduction 1
1.1 3GPP 1
1.2 Evolutionary Path of 3GPP Systems 4
1.2.1 GSM 4
1.2.2 GPRS/EDGE 6
1.2.3 UMTS 7
1.2.4 HSPA 8
1.2.5 LTE 9
1.3 Market Trend 10
1.4 Requirement of LTE 11
1.5 Overview of LTE Architecture 14
1.5.1 Network Architecture 14
1.5.2 QoS Architecture 18
1.5.3 Radio Protocol Architecture of LTE 21
1.6 UE Capabilities 24
References 26
2 Idle Mode Procedure 27
2.1 Idle Mode Functions 27
2.2 Services and Cell Categorization 29
2.3 UE States and State Transitions 30
2.4 PLMN Selection 31
2.4.1 Triggering of PLMN Selection 32
2.4.2 Search of Available PLMNs 32
2.4.3 PLMN Selection 32
2.5 Location Registration 34
2.6 Cell Selection 34
2.6.1 Cell Selection Criterion 35
2.6.2 Cell Selection upon RRC Connection Release 36
2.7 Cell Reselection 36
2.7.1 Measurement Rules 37
2.7.2 Reselection to a Neighboring Cell 39
2.7.3 Mobility State Dependent Scaling 41
2.8 Access Verification 43
2.8.1 Cell Barring Status and Cell Reservation Status 43
2.9 Paging Reception 44
References 45
3 Radio Resource Control (RRC) 47
3.1 RRC Functions and Architecture 48
3.2 System Information 50
3.2.1 Scheduling of System Information 50
3.2.2 System Information Update 54
3.3 Paging 55
3.4 Connection Establishment 56
3.4.1 Step 1: Access Class Barring 57
3.4.2 Step 2: Transmission of the RRCConnectionRequest Message 58
3.4.3 Step 3: Receipt of the RRCConnectionSetup Message 59
3.4.4 Step 4: Transmission of the RRCConnectionSetupComplete
Message 59
3.5 Security 60
3.6 RRC Connection Reconfiguration 63
3.6.1 SRB2 Establishment 63
3.6.2 DRB Establishment 63
3.6.3 Parallel Procedure with Security Activation 64
3.7 UE Capability Transfer 65
3.8 Intra-EUTRA Handover 65
3.8.1 Handover Preparation 66
3.8.2 Handover Execution 69
3.8.3 Handover Completion 71
3.9 Measurement Control 72
3.9.1 Measurement Configuration 73
3.9.2 Measurement Report Triggering 74
3.9.3 Measurement Reporting 75
3.10 RRC Connection Re-establishment 75
3.11 Inter-RAT Mobility 78
3.11.1 Inter-RAT Mobility from/ to 3GPP Access Systems 78
3.11.2 Inter-RAT Mobility from/ to CDMA2000 Systems 82
3.12 RRC Connection Release 84
Reference 85
4 Packet Data Convergence Protocol (PDCP) 87
4.1 PDCP Functions and Architecture 87
4.2 Header Compression 89
vi Contents
4.3 Security 91
4.3.1 Integrity Protection 91
4.3.2 Ciphering 92
4.4 Data Transfer 93
4.5 SDU Discard 94
4.6 Handover 95
4.6.1 SRB Behavior at Handover 95
4.6.2 UM DRB Behavior at Handover 95
4.6.3 AM DRB Behavior at Handover 97
4.7 PDCP PDU Formats 99
4.7.1 PDCP Data PDU Formats 99
4.7.2 PDCP Control PDU Formats 100
Reference 100
5 Radio Link Control (RLC) 101
5.1 RLC Functions and Architecture 101
5.1.1 Transparent Mode (TM) RLC 101
5.1.2 Unacknowledged Mode (UM) RLC 102
5.1.3 Acknowledged Mode (AM) RLC 103
5.2 Framing 105
5.3 Reordering 106
5.4 ARQ Operation 108
5.4.1 Polling 108
5.4.2 Status Reporting 109
5.4.3 Retransmission 110
5.4.4 Re-segmentation 111
5.5 Window Operation 112
5.5.1 UM RLC Window Operation 112
5.5.2 AM RLC Window Operation 113
5.6 SDU Discard 113
5.7 RLC Re-establishment 114
5.8 RLC PDU Formats 114
5.8.1 TMD PDU Format 114
5.8.2 UMD PDU Format 115
5.8.3 AMD PDU Format 115
5.8.4 AMD PDU Segment Format 116
5.8.5 STATUS PDU Format 117
Reference 117
6 Medium Access Control (MAC) 119
6.1 MAC Functions and Services 119
6.2 MAC Architecture 120
6.3 MAC Channels and Mapping 121
6.3.1 Transport Channels 121
6.3.2 Logical Channels 122
6.3.3 Channel Mapping 123
Contents vii
6.4 Scheduling 123
6.4.1 Dynamic Scheduling 124
6.4.2 Semi-Persistent Scheduling (SPS) 124
6.5 Scheduling Information Delivery 127
6.5.1 Buffer Status Reporting (BSR) 127
6.5.2 Scheduling Request (SR) 129
6.5.3 Power Headroom Report (PHR) 130
6.6 Logical Channel Prioritization (LCP) 130
6.7 Discontinuous Reception (DRX) 134
6.8 Hybrid-ARQ (HARQ) 138
6.8.1 HARQ in the Uplink 140
6.8.2 HARQ in the Downlink 140
6.8.3 TTI Bundling 140
6.8.4 Measurement Gap 142
6.9 Random Access (RA) Procedure 143
6.10 Time Alignment 145
6.11 MAC PDU Formats 146
6.11.1 MAC Control Elements (CEs) 148
6.11.2 MAC PDU for Random Access Response 149
Reference 149
7 Overview of LTE and LTE-Advanced New Features 151
7.1 Voice over LTE (VoLTE) 151
7.2 Home eNB (HeNB) 152
7.3 Public Warning System (PWS) 153
7.4 Multimedia Broadcast/Multicast Service (MBMS) 153
7.5 Carrier Aggregation (CA) 154
7.6 Relay 155
7.7 Minimization of Drive Test (MDT) 156
7.8 Enhanced Inter-Cell Interference Coordination (eICIC) 156
7.9 Machine Type Communication (MTC) 157
8 Voice over LTE (VoLTE) 159
8.1 Voice Solutions for LTE 159
8.1.1 Ultimate Voice Solution 159
8.1.2 Interim Voice Solutions 160
8.2 IMS VoIP 162
8.2.1 IMS Profile 162
8.2.2 Single Radio Voice Call Continuity (SRVCC) 164
8.3 Circuit-Switched Fallback (CSFB) 167
8.3.1 CSFB to UTRAN or GERAN 168
8.3.2 CSFB to CDMA2000 1xRTT 173
8.4 Service Domain Selection 178
8.4.1 UE Decision between IMS VoIP and CSFB 180
8.5 Comparison between IMS VoIP and CSFB 181
viii Contents
8.6 RAN Optimization for VoIP 181
8.6.1 Robust Header Compression (ROHC) 182
8.6.2 TTI Bundling 182
8.6.3 Semi-Persistent Scheduling for HARQ 183
References 183
9 Home eNB (HeNB) 185
9.1 Architectural Framework 186
9.1.1 Access Mode 186
9.1.2 Use Cases 187
9.1.3 High-level Requirements 188
9.1.4 Network Architecture 189
9.2 CSG Provisioning 189
9.2.1 CSG Subscription Data 190
9.2.2 CSG Member Status 190
9.3 System Information Related to CSG 190
9.3.1 CSG Identification Information 191
9.3.2 CSG Cell Deployment Information 192
9.4 Identification of CSG 193
9.4.1 Autonomous CSG Search 193
9.4.2 Manual CSG Selection 193
9.5 Mobility with CSG Cells 194
9.5.1 Mobility in RRC_IDLE 194
9.5.2 Mobility in RRC_CONNECTED 196
9.6 Support for Hybrid Cells 200
9.6.1 Motivation 200
9.6.2 Features 201
References 203
10 Public Warning System (PWS) 205
10.1 Warning System Architecture 206
10.2 Warning Messages 207
10.3 Delivery of Warning Messages on a Network 209
10.3.1 Warning Message Delivery Procedure 209
10.3.2 Warning Message Cancel Procedure 211
10.4 Delivery of Warning Messages over the Radio Interface 212
10.4.1 PWS Notifications in System Information 213
10.4.2 Indication of PWS Notifications in Paging 214
10.4.3 Segmentation of Warning Messages 214
References 215
11 Multimedia Broadcast/Multicast Service (MBMS) 217
11.1 MBMS Services 217
11.2 Architecture and Functions for MBMS 218
11.3 MBSFN Transmissions 221
Contents ix
11.4 Radio Protocols for MBMS 222
11.4.1 Layers 1 and 2 for MBMS 222
11.4.2 Layer 3 for MBMS 224
11.5 MBMS Procedures 226
11.5.1 MBMS Session Start 226
11.5.2 MCCH Information Acquisition and MRB Configuration 228
11.5.3 MBMS Session Update 229
11.5.4 MBMS Session Stop 230
11.5.5 MRB Release 231
11.6 MBMS Enhancements in Releases 10 and 11 232
11.6.1 MBMS Counting 232
11.6.2 MBMS Service Continuity 234
References 235
12 Carrier Aggregation (CA) 237
12.1 Spectrum and Deployment Scenarios 240
12.1.1 Spectrum Scenarios 240
12.1.2 Deployment Scenarios 241
12.2 Cell Management 243
12.2.1 PCell and SCell 243
12.2.2 Signaling of Configuration Information 244
12.2.3 Linkages and References 244
12.2.4 Cross-Carrier Scheduling 245
12.2.5 Extended Measurements 247
12.2.6 SCell Management 250
12.2.7 Mobility with Carrier Aggregation 250
12.3 Extended MAC Functions 251
12.3.1 SCell Activation and Deactivation 251
12.3.2 Power Headroom Reporting (PHR) 253
12.3.3 Logical Channel Prioritization (LCP) 256
12.3.4 Buffer Status Report (BSR) 257
12.3.5 Discontinuous Reception (DRX) 258
12.3.6 Semi-Persistent Scheduling (SPS) 258
References 259
13 Relay 261
13.1 Deployment Scenarios 261
13.2 Network Architecture for the Relay Node 262
13.3 Types of Relay Node 264
13.3.1 Layer Performing Relaying 264
13.3.2 Frequency Separation of Uu and Un Links 266
13.4 Relay Node-Specific Operation 267
13.4.1 Bearer Mapping 267
13.4.2 Integrity Protection for a UnDRB 268
13.4.3 RN Subframe Configuration 270
x Contents
13.4.4 Update of System Information 271
13.4.5 RN Reconfiguration Procedure 271
13.5 Relay Node Start-Up Procedure 272
13.6 Simplified Operation of Release 10 Relay Node 274
References 275
14 Minimization of Driving Test (MDT) 277
14.1 Architectural Framework 278
14.1.1 Use Cases 279
14.1.2 Initiation of the MDT Task with UE Selection 280
14.1.3 Collection of MDT Measurement Results 281
14.2 Logged MDT 281
14.2.1 Configuration Phase 283
14.2.2 Logging Phase 284
14.2.3 Reporting Phase 286
14.3 Immediate MDT 289
14.3.1 Configuration Phase 290
14.3.2 Measurement and Evaluation Phase 291
14.3.3 Reporting Phase 291
14.3.4 MDT Context Transfer 291
References 292
15 Enhanced Inter-Cell Interference Coordination (eICIC) 293
15.1 Heterogeneous Network Deployment 293
15.1.1 Interference in Heterogeneous Networks 295
15.1.2 Limitation of Frequency Domain ICIC 296
15.2 CA-based ICIC 298
15.3 Time Domain ICIC 299
15.3.1 Restricted Measurements 300
15.3.2 Macro–Pico Cell Scenario 301
15.3.3 Macro–Femto Cell Scenario 303
15.3.4 Network Configuration 303
References 304
16 Machine Type Communication (MTC) 305
16.1 Overload Control for MTC 305
16.1.1 Overload Control in Release 8 306
16.1.2 Core Network Overload Control in Release 10 307
16.1.3 RAN Overload Control in Release 11 310
16.2 MTC Features in 3GPP 311
References 312
Index 313