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This extensively updated second edition of LTE Signaling, Troubleshooting and Performance Measurement describes the LTE signaling protocols and procedures for the third generation of mobile communications and beyond. It is one of the few books available that explain the LTE signaling messages, procedures and measurements down to the bit & byte level, and all trace examples are taken for a real lab and field trial traces. This book covers the crucial key performance indicators (KPI) to be measured during field trials and deployment phase of new LTE networks. It describes how statistic values…mehr
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This extensively updated second edition of LTE Signaling, Troubleshooting and Performance Measurement describes the LTE signaling protocols and procedures for the third generation of mobile communications and beyond. It is one of the few books available that explain the LTE signaling messages, procedures and measurements down to the bit & byte level, and all trace examples are taken for a real lab and field trial traces. This book covers the crucial key performance indicators (KPI) to be measured during field trials and deployment phase of new LTE networks. It describes how statistic values can be aggregated and evaluated, and how the network can be optimized during the first stages of deployment, using dedicated examples to enhance understanding. Written by experts in the field of mobile communications, this book systematically describes the most recent LTE signaling procedures, explaining how to identify and troubleshoot abnormal network behavior and common failure causes, as well as describing the normal signaling procedures. This is a unique feature of the book, allowing readers to understand the root cause analysis of problems related to signaling procedures. This book will be especially useful for network operators and equipment manufacturers; engineers; technicians; network planners; developers; researchers; designers; testing personnel and project managers; consulting and training companies; standardization bodies.
Produktdetails
- Produktdetails
- Verlag: John Wiley & Sons
- Seitenzahl: 368
- Erscheinungstermin: 29. Oktober 2015
- Englisch
- ISBN-13: 9781118725085
- Artikelnr.: 44062708
- Verlag: John Wiley & Sons
- Seitenzahl: 368
- Erscheinungstermin: 29. Oktober 2015
- Englisch
- ISBN-13: 9781118725085
- Artikelnr.: 44062708
Ralf Kreher, Tektronix Communications - Mobile Access, Berlin, Germany Ralf Kreher works as Senior Software Architect for Tektronix Communications (Test and Optimization) business with focus on UMTS and LTE Performance Measurement and Key Performance Indicator (KPI) implementation. Before joining the engineering department he lead the Tektronix Mobile Protocol Test Customer Training Department for almost four years being responsible for a world-class seminar portfolio for mobile technologies and measurement products. Kreher holds a Communication Engineering Degree of the University of Applied Science, Deutsche Telekom Leipzig. He is internationally recognized author of the books UMTS Signaling and UMTS Performance Measurement. Karsten Gaenger, Tektronix Communications - Mobile Access, Berlin, Germany Karsten Gaenger received a Dipl.-Ing. degree in electrical engineering from the Berlin University of Technology. He was with the Fraunhofer HHI research institute from 2004 to 2006. During this time he published several IEEE papers on his development of a reliable real-time streaming system and protocol for Mobile Ad-Hoc networks. His research interests are mobile communications, IPTV, and robust real-time video streaming. Currently he is with Tektronix, Inc. and takes part in the mobile test and optimization division for 3G and LTE networks. He is a Solution Architect with RAN focus for testing and monitoring real-time multi-media streaming in next generation mobile networks. His current projects include the development of a passive LTE air interface probe.
Foreword xi Acknowledgements xiii 1 Standards, Protocols, and Functions 1
1.1 LTE Standards and Standard Roadmap 2 1.2 LTE Radio Access Network
Architecture 9 1.3 Network Elements and Functions 10 1.3.1 The eNodeB (eNB)
11 1.3.2 Mobility Management Entity (MME) 12 1.3.3 Serving Gateway (S-GW)
12 1.3.4 Packet Data Network Gateway (PDN-GW) 13 1.3.5 Interfaces and
Reference Points 13 1.4 Area and Subscriber Identities 18 1.4.1 Domains and
Strati 18 1.4.2 IMSI 19 1.4.3 LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI 20
1.4.4 GUTI 21 1.4.5 IMEI 22 1.4.6 RNTI 22 1.4.7 Location Area, Routing
Area, Service Area, Tracking Area, and Cell Global Identity 24 1.4.8
Mapping between Temporary and Area Identities for EUTRAN and
UTRAN/GERAN-Based Systems 25 1.4.9 GSM Base Station Identification 27
1.4.10 UTRA Base Station Identification 28 1.4.11 Numbering, Addressing,
and Identification in the Session Initiation Protocol 29 1.4.12 Access
Point Name 30 1.5 User Equipment 30 1.5.1 UE Categories 31 1.6 QoS
Architecture 32 1.7 LTE Security 34 1.8 Radio Interface Basics 38 1.8.1
Duplex Methods 40 1.8.2 Multiple Access Methods 42 1.8.3 OFDM Principles
and Modulation 46 1.8.4 Multiple Access in OFDM-OFDMA 48 1.8.5 Resource
Blocks 49 1.8.6 Downlink Slot Structure 53 1.8.7 OFDM Scheduling on LTE DL
56 1.8.8 SC-FDMA Principles and Modulation 60 1.8.9 Scheduling on LTE UL 62
1.8.10 Uplink Slot Structure 64 1.8.11 Link Adaptation in LTE 64 1.8.12
Physical Channels in LTE 70 1.8.13 Transport Channels in LTE 79 1.8.14
Channel Mapping and Multiplexing 80 1.8.15 Initial UE Radio Access 82
1.8.16 UE Random Access 82 1.9 Hybrid ARQ 87 1.9.1 Synchronous HARQ in LTE
Uplink 90 1.9.2 Asynchronous HARQ in LTE Downlink 91 1.9.3 HARQ Example 92
1.10 LTE Advanced 94 1.10.1 Increasing Spectral Efficiency 95 1.10.2
Carrier Aggregation 95 1.10.3 Heterogeneous Networks 95 1.10.4 Inter-Cell
Interference Coordination 97 1.11 LTE Network Protocol Architecture 98
1.11.1 Uu-Control/User Plane 98 1.11.2 S1-Control/User Plane 99 1.11.3
X2-User/Control Plane 100 1.11.4 S6a-Control Plane 100 1.11.5
S3/S4/S5/S8/S10/S11-Control Plane/User Plane 101 1.12 Protocol Functions,
Encoding, Basic Messages, and Information Elements 102 1.12.1 Ethernet 102
1.12.2 Internet Protocol (IPv4/IPv6) 102 1.12.3 Stream Control Transmission
Protocol (SCTP) 106 1.12.4 Radio Interface Layer 2 Protocols 108 1.12.5
Medium Access Control (MAC) Protocol 110 1.12.6 Radio Link Control (RLC)
Protocol 111 1.12.7 Packet Data Convergence Protocol (PDCP) 115 1.12.8
Radio Resource Control (RRC) Protocol 117 1.12.9 Non-Access Stratum (NAS)
Protocol 124 1.12.10 S1 Application Part (S1AP) 124 1.12.11 User Datagram
Protocol (UDP) 128 1.12.12 GPRS Tunneling Protocol (GTP) 129 1.12.13
Transmission Control Protocol (TCP) 136 1.12.14 Session Initiation Protocol
(SIP) 138 1.12.15 DIAMETER on EPC Interfaces 139 2 E-UTRAN/EPC Signaling
145 2.1 S1 Setup 145 2.1.1 S1 Setup: Message Flow 145 2.1.2 S1 Setup:
Failure Analysis 147 2.2 Initial Attach 149 2.2.1 Procedure 150 2.3 UE
Context Release Requested by eNodeB 166 2.3.1 Procedure 166 2.4 UE Service
Request 168 2.4.1 Procedure 169 2.5 Dedicated Bearer Setup 172 2.6
Inter-eNodeB Handover over X2 174 2.6.1 Procedure 176 2.7 S1 Handover 186
2.7.1 Procedure 188 2.8 Dedicated Bearer Release 199 2.9 Detach 200 2.9.1
Procedure 200 2.10 Failure Cases in E-UTRAN and EPC 203 2.11 Voice over LTE
(SIP) Call-Complete Scenario 203 2.12 Inter-RAT Cell Reselection 4G-3G-4G
210 2.13 Normal/Periodical Tracking Area Update 211 2.14 CS Fallback
End-to-End S1/IuCS/IuPS 212 2.15 Paging 213 2.16 Multi-E-RAB Call Scenarios
214 2.16.1 Multi-E-RAB Call Scenarios without Subscriber Mobility 214
2.16.2 Multi-E-RAB Call with Intra-LTE Handover 215 2.16.3 Inter-RAT
Mobility of a Multi-E-RAB Call Using CS Fallback 216 2.16.4 Abnormal
Releases of Calls with VoLTE Services 217 3 Radio Interface Signaling
Procedures 219 3.1 RRC Connection Setup, Attach, and Default Bearer Setup
220 3.1.1 Random Access and RRC Connection Setup Procedure 220 3.1.2 RRC
Connection Reconfiguration and Default Bearer Setup 229 3.1.3 RRC
Connection Release 238 3.2 LTE Mobility 238 3.2.1 Intra-eNB Intra-Frequency
HO 242 3.2.2 Intra-eNodeB Inter-Frequency Handover 243 3.2.3 Inter-eNodeB
Intra-Frequency Handover 248 3.2.4 Inter-RAT Handover to 3G 253 3.2.5
Inter-RAT Handover to 2G 255 3.2.6 Inter-RAT Blind Redirection to 3G 257
3.2.7 Inter-RAT Blind Redirection to 2G 259 3.2.8 CS Fallback 260 3.3
Failure Cases 262 4 Key Performance Indicators and Measurements for LTE
Radio Network Optimization 267 4.1 Monitoring Solutions for LTE Interfaces
267 4.1.1 Monitoring the Air Interface (Uu) 267 4.1.2 Antenna-Based
Monitoring 269 4.1.3 Coax-Based Monitoring 270 4.1.4 CPRI-Based Monitoring
270 4.1.5 Monitoring the E-UTRAN Line Interface 272 4.1.6 Monitoring the
eNodeB Trace Port 276 4.2 Monitoring the Scheduler Efficiency 279 4.2.1 UL
and DL Scheduling Resources 285 4.2.2 X2 Load Indication 286 4.2.3 The
eNodeB Layer 2 Measurements 288 4.3 Radio Quality Measurements 290 4.3.1 UE
Measurements 293 4.3.2 The eNodeB Physical Layer Measurements 297 4.3.3
Radio Interface Tester Measurements 301 4.3.4 I/Q Constellation Diagrams
302 4.3.5 EVM/Modulation Error Ratio 304 4.4 Control Plane Performance
Counters and Delay Measurements 306 4.4.1 Network Accessibility 307 4.4.2
Network Retainability 316 4.4.3 Mobility (Handover) 318 4.5 User Plane KPIs
322 4.5.1 IP Throughput 323 4.5.2 Application Throughput 325 4.5.3 TCP
Startup KPIs 327 4.5.4 TCP Round-Trip Time 328 4.5.5 Packet Jitter 329
4.5.6 Packet Delay and Packet Loss on a Hop-to-Hop Basis 330 4.6 KPI
Visualization using Geographical Maps (Geolocation) 331 4.6.1 The Minimize
Drive Test Feature Set of 3GPP 333 Acronyms 337 Bibliography 343 Index 345
1.1 LTE Standards and Standard Roadmap 2 1.2 LTE Radio Access Network
Architecture 9 1.3 Network Elements and Functions 10 1.3.1 The eNodeB (eNB)
11 1.3.2 Mobility Management Entity (MME) 12 1.3.3 Serving Gateway (S-GW)
12 1.3.4 Packet Data Network Gateway (PDN-GW) 13 1.3.5 Interfaces and
Reference Points 13 1.4 Area and Subscriber Identities 18 1.4.1 Domains and
Strati 18 1.4.2 IMSI 19 1.4.3 LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI 20
1.4.4 GUTI 21 1.4.5 IMEI 22 1.4.6 RNTI 22 1.4.7 Location Area, Routing
Area, Service Area, Tracking Area, and Cell Global Identity 24 1.4.8
Mapping between Temporary and Area Identities for EUTRAN and
UTRAN/GERAN-Based Systems 25 1.4.9 GSM Base Station Identification 27
1.4.10 UTRA Base Station Identification 28 1.4.11 Numbering, Addressing,
and Identification in the Session Initiation Protocol 29 1.4.12 Access
Point Name 30 1.5 User Equipment 30 1.5.1 UE Categories 31 1.6 QoS
Architecture 32 1.7 LTE Security 34 1.8 Radio Interface Basics 38 1.8.1
Duplex Methods 40 1.8.2 Multiple Access Methods 42 1.8.3 OFDM Principles
and Modulation 46 1.8.4 Multiple Access in OFDM-OFDMA 48 1.8.5 Resource
Blocks 49 1.8.6 Downlink Slot Structure 53 1.8.7 OFDM Scheduling on LTE DL
56 1.8.8 SC-FDMA Principles and Modulation 60 1.8.9 Scheduling on LTE UL 62
1.8.10 Uplink Slot Structure 64 1.8.11 Link Adaptation in LTE 64 1.8.12
Physical Channels in LTE 70 1.8.13 Transport Channels in LTE 79 1.8.14
Channel Mapping and Multiplexing 80 1.8.15 Initial UE Radio Access 82
1.8.16 UE Random Access 82 1.9 Hybrid ARQ 87 1.9.1 Synchronous HARQ in LTE
Uplink 90 1.9.2 Asynchronous HARQ in LTE Downlink 91 1.9.3 HARQ Example 92
1.10 LTE Advanced 94 1.10.1 Increasing Spectral Efficiency 95 1.10.2
Carrier Aggregation 95 1.10.3 Heterogeneous Networks 95 1.10.4 Inter-Cell
Interference Coordination 97 1.11 LTE Network Protocol Architecture 98
1.11.1 Uu-Control/User Plane 98 1.11.2 S1-Control/User Plane 99 1.11.3
X2-User/Control Plane 100 1.11.4 S6a-Control Plane 100 1.11.5
S3/S4/S5/S8/S10/S11-Control Plane/User Plane 101 1.12 Protocol Functions,
Encoding, Basic Messages, and Information Elements 102 1.12.1 Ethernet 102
1.12.2 Internet Protocol (IPv4/IPv6) 102 1.12.3 Stream Control Transmission
Protocol (SCTP) 106 1.12.4 Radio Interface Layer 2 Protocols 108 1.12.5
Medium Access Control (MAC) Protocol 110 1.12.6 Radio Link Control (RLC)
Protocol 111 1.12.7 Packet Data Convergence Protocol (PDCP) 115 1.12.8
Radio Resource Control (RRC) Protocol 117 1.12.9 Non-Access Stratum (NAS)
Protocol 124 1.12.10 S1 Application Part (S1AP) 124 1.12.11 User Datagram
Protocol (UDP) 128 1.12.12 GPRS Tunneling Protocol (GTP) 129 1.12.13
Transmission Control Protocol (TCP) 136 1.12.14 Session Initiation Protocol
(SIP) 138 1.12.15 DIAMETER on EPC Interfaces 139 2 E-UTRAN/EPC Signaling
145 2.1 S1 Setup 145 2.1.1 S1 Setup: Message Flow 145 2.1.2 S1 Setup:
Failure Analysis 147 2.2 Initial Attach 149 2.2.1 Procedure 150 2.3 UE
Context Release Requested by eNodeB 166 2.3.1 Procedure 166 2.4 UE Service
Request 168 2.4.1 Procedure 169 2.5 Dedicated Bearer Setup 172 2.6
Inter-eNodeB Handover over X2 174 2.6.1 Procedure 176 2.7 S1 Handover 186
2.7.1 Procedure 188 2.8 Dedicated Bearer Release 199 2.9 Detach 200 2.9.1
Procedure 200 2.10 Failure Cases in E-UTRAN and EPC 203 2.11 Voice over LTE
(SIP) Call-Complete Scenario 203 2.12 Inter-RAT Cell Reselection 4G-3G-4G
210 2.13 Normal/Periodical Tracking Area Update 211 2.14 CS Fallback
End-to-End S1/IuCS/IuPS 212 2.15 Paging 213 2.16 Multi-E-RAB Call Scenarios
214 2.16.1 Multi-E-RAB Call Scenarios without Subscriber Mobility 214
2.16.2 Multi-E-RAB Call with Intra-LTE Handover 215 2.16.3 Inter-RAT
Mobility of a Multi-E-RAB Call Using CS Fallback 216 2.16.4 Abnormal
Releases of Calls with VoLTE Services 217 3 Radio Interface Signaling
Procedures 219 3.1 RRC Connection Setup, Attach, and Default Bearer Setup
220 3.1.1 Random Access and RRC Connection Setup Procedure 220 3.1.2 RRC
Connection Reconfiguration and Default Bearer Setup 229 3.1.3 RRC
Connection Release 238 3.2 LTE Mobility 238 3.2.1 Intra-eNB Intra-Frequency
HO 242 3.2.2 Intra-eNodeB Inter-Frequency Handover 243 3.2.3 Inter-eNodeB
Intra-Frequency Handover 248 3.2.4 Inter-RAT Handover to 3G 253 3.2.5
Inter-RAT Handover to 2G 255 3.2.6 Inter-RAT Blind Redirection to 3G 257
3.2.7 Inter-RAT Blind Redirection to 2G 259 3.2.8 CS Fallback 260 3.3
Failure Cases 262 4 Key Performance Indicators and Measurements for LTE
Radio Network Optimization 267 4.1 Monitoring Solutions for LTE Interfaces
267 4.1.1 Monitoring the Air Interface (Uu) 267 4.1.2 Antenna-Based
Monitoring 269 4.1.3 Coax-Based Monitoring 270 4.1.4 CPRI-Based Monitoring
270 4.1.5 Monitoring the E-UTRAN Line Interface 272 4.1.6 Monitoring the
eNodeB Trace Port 276 4.2 Monitoring the Scheduler Efficiency 279 4.2.1 UL
and DL Scheduling Resources 285 4.2.2 X2 Load Indication 286 4.2.3 The
eNodeB Layer 2 Measurements 288 4.3 Radio Quality Measurements 290 4.3.1 UE
Measurements 293 4.3.2 The eNodeB Physical Layer Measurements 297 4.3.3
Radio Interface Tester Measurements 301 4.3.4 I/Q Constellation Diagrams
302 4.3.5 EVM/Modulation Error Ratio 304 4.4 Control Plane Performance
Counters and Delay Measurements 306 4.4.1 Network Accessibility 307 4.4.2
Network Retainability 316 4.4.3 Mobility (Handover) 318 4.5 User Plane KPIs
322 4.5.1 IP Throughput 323 4.5.2 Application Throughput 325 4.5.3 TCP
Startup KPIs 327 4.5.4 TCP Round-Trip Time 328 4.5.5 Packet Jitter 329
4.5.6 Packet Delay and Packet Loss on a Hop-to-Hop Basis 330 4.6 KPI
Visualization using Geographical Maps (Geolocation) 331 4.6.1 The Minimize
Drive Test Feature Set of 3GPP 333 Acronyms 337 Bibliography 343 Index 345
Foreword xi Acknowledgements xiii 1 Standards, Protocols, and Functions 1
1.1 LTE Standards and Standard Roadmap 2 1.2 LTE Radio Access Network
Architecture 9 1.3 Network Elements and Functions 10 1.3.1 The eNodeB (eNB)
11 1.3.2 Mobility Management Entity (MME) 12 1.3.3 Serving Gateway (S-GW)
12 1.3.4 Packet Data Network Gateway (PDN-GW) 13 1.3.5 Interfaces and
Reference Points 13 1.4 Area and Subscriber Identities 18 1.4.1 Domains and
Strati 18 1.4.2 IMSI 19 1.4.3 LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI 20
1.4.4 GUTI 21 1.4.5 IMEI 22 1.4.6 RNTI 22 1.4.7 Location Area, Routing
Area, Service Area, Tracking Area, and Cell Global Identity 24 1.4.8
Mapping between Temporary and Area Identities for EUTRAN and
UTRAN/GERAN-Based Systems 25 1.4.9 GSM Base Station Identification 27
1.4.10 UTRA Base Station Identification 28 1.4.11 Numbering, Addressing,
and Identification in the Session Initiation Protocol 29 1.4.12 Access
Point Name 30 1.5 User Equipment 30 1.5.1 UE Categories 31 1.6 QoS
Architecture 32 1.7 LTE Security 34 1.8 Radio Interface Basics 38 1.8.1
Duplex Methods 40 1.8.2 Multiple Access Methods 42 1.8.3 OFDM Principles
and Modulation 46 1.8.4 Multiple Access in OFDM-OFDMA 48 1.8.5 Resource
Blocks 49 1.8.6 Downlink Slot Structure 53 1.8.7 OFDM Scheduling on LTE DL
56 1.8.8 SC-FDMA Principles and Modulation 60 1.8.9 Scheduling on LTE UL 62
1.8.10 Uplink Slot Structure 64 1.8.11 Link Adaptation in LTE 64 1.8.12
Physical Channels in LTE 70 1.8.13 Transport Channels in LTE 79 1.8.14
Channel Mapping and Multiplexing 80 1.8.15 Initial UE Radio Access 82
1.8.16 UE Random Access 82 1.9 Hybrid ARQ 87 1.9.1 Synchronous HARQ in LTE
Uplink 90 1.9.2 Asynchronous HARQ in LTE Downlink 91 1.9.3 HARQ Example 92
1.10 LTE Advanced 94 1.10.1 Increasing Spectral Efficiency 95 1.10.2
Carrier Aggregation 95 1.10.3 Heterogeneous Networks 95 1.10.4 Inter-Cell
Interference Coordination 97 1.11 LTE Network Protocol Architecture 98
1.11.1 Uu-Control/User Plane 98 1.11.2 S1-Control/User Plane 99 1.11.3
X2-User/Control Plane 100 1.11.4 S6a-Control Plane 100 1.11.5
S3/S4/S5/S8/S10/S11-Control Plane/User Plane 101 1.12 Protocol Functions,
Encoding, Basic Messages, and Information Elements 102 1.12.1 Ethernet 102
1.12.2 Internet Protocol (IPv4/IPv6) 102 1.12.3 Stream Control Transmission
Protocol (SCTP) 106 1.12.4 Radio Interface Layer 2 Protocols 108 1.12.5
Medium Access Control (MAC) Protocol 110 1.12.6 Radio Link Control (RLC)
Protocol 111 1.12.7 Packet Data Convergence Protocol (PDCP) 115 1.12.8
Radio Resource Control (RRC) Protocol 117 1.12.9 Non-Access Stratum (NAS)
Protocol 124 1.12.10 S1 Application Part (S1AP) 124 1.12.11 User Datagram
Protocol (UDP) 128 1.12.12 GPRS Tunneling Protocol (GTP) 129 1.12.13
Transmission Control Protocol (TCP) 136 1.12.14 Session Initiation Protocol
(SIP) 138 1.12.15 DIAMETER on EPC Interfaces 139 2 E-UTRAN/EPC Signaling
145 2.1 S1 Setup 145 2.1.1 S1 Setup: Message Flow 145 2.1.2 S1 Setup:
Failure Analysis 147 2.2 Initial Attach 149 2.2.1 Procedure 150 2.3 UE
Context Release Requested by eNodeB 166 2.3.1 Procedure 166 2.4 UE Service
Request 168 2.4.1 Procedure 169 2.5 Dedicated Bearer Setup 172 2.6
Inter-eNodeB Handover over X2 174 2.6.1 Procedure 176 2.7 S1 Handover 186
2.7.1 Procedure 188 2.8 Dedicated Bearer Release 199 2.9 Detach 200 2.9.1
Procedure 200 2.10 Failure Cases in E-UTRAN and EPC 203 2.11 Voice over LTE
(SIP) Call-Complete Scenario 203 2.12 Inter-RAT Cell Reselection 4G-3G-4G
210 2.13 Normal/Periodical Tracking Area Update 211 2.14 CS Fallback
End-to-End S1/IuCS/IuPS 212 2.15 Paging 213 2.16 Multi-E-RAB Call Scenarios
214 2.16.1 Multi-E-RAB Call Scenarios without Subscriber Mobility 214
2.16.2 Multi-E-RAB Call with Intra-LTE Handover 215 2.16.3 Inter-RAT
Mobility of a Multi-E-RAB Call Using CS Fallback 216 2.16.4 Abnormal
Releases of Calls with VoLTE Services 217 3 Radio Interface Signaling
Procedures 219 3.1 RRC Connection Setup, Attach, and Default Bearer Setup
220 3.1.1 Random Access and RRC Connection Setup Procedure 220 3.1.2 RRC
Connection Reconfiguration and Default Bearer Setup 229 3.1.3 RRC
Connection Release 238 3.2 LTE Mobility 238 3.2.1 Intra-eNB Intra-Frequency
HO 242 3.2.2 Intra-eNodeB Inter-Frequency Handover 243 3.2.3 Inter-eNodeB
Intra-Frequency Handover 248 3.2.4 Inter-RAT Handover to 3G 253 3.2.5
Inter-RAT Handover to 2G 255 3.2.6 Inter-RAT Blind Redirection to 3G 257
3.2.7 Inter-RAT Blind Redirection to 2G 259 3.2.8 CS Fallback 260 3.3
Failure Cases 262 4 Key Performance Indicators and Measurements for LTE
Radio Network Optimization 267 4.1 Monitoring Solutions for LTE Interfaces
267 4.1.1 Monitoring the Air Interface (Uu) 267 4.1.2 Antenna-Based
Monitoring 269 4.1.3 Coax-Based Monitoring 270 4.1.4 CPRI-Based Monitoring
270 4.1.5 Monitoring the E-UTRAN Line Interface 272 4.1.6 Monitoring the
eNodeB Trace Port 276 4.2 Monitoring the Scheduler Efficiency 279 4.2.1 UL
and DL Scheduling Resources 285 4.2.2 X2 Load Indication 286 4.2.3 The
eNodeB Layer 2 Measurements 288 4.3 Radio Quality Measurements 290 4.3.1 UE
Measurements 293 4.3.2 The eNodeB Physical Layer Measurements 297 4.3.3
Radio Interface Tester Measurements 301 4.3.4 I/Q Constellation Diagrams
302 4.3.5 EVM/Modulation Error Ratio 304 4.4 Control Plane Performance
Counters and Delay Measurements 306 4.4.1 Network Accessibility 307 4.4.2
Network Retainability 316 4.4.3 Mobility (Handover) 318 4.5 User Plane KPIs
322 4.5.1 IP Throughput 323 4.5.2 Application Throughput 325 4.5.3 TCP
Startup KPIs 327 4.5.4 TCP Round-Trip Time 328 4.5.5 Packet Jitter 329
4.5.6 Packet Delay and Packet Loss on a Hop-to-Hop Basis 330 4.6 KPI
Visualization using Geographical Maps (Geolocation) 331 4.6.1 The Minimize
Drive Test Feature Set of 3GPP 333 Acronyms 337 Bibliography 343 Index 345
1.1 LTE Standards and Standard Roadmap 2 1.2 LTE Radio Access Network
Architecture 9 1.3 Network Elements and Functions 10 1.3.1 The eNodeB (eNB)
11 1.3.2 Mobility Management Entity (MME) 12 1.3.3 Serving Gateway (S-GW)
12 1.3.4 Packet Data Network Gateway (PDN-GW) 13 1.3.5 Interfaces and
Reference Points 13 1.4 Area and Subscriber Identities 18 1.4.1 Domains and
Strati 18 1.4.2 IMSI 19 1.4.3 LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI 20
1.4.4 GUTI 21 1.4.5 IMEI 22 1.4.6 RNTI 22 1.4.7 Location Area, Routing
Area, Service Area, Tracking Area, and Cell Global Identity 24 1.4.8
Mapping between Temporary and Area Identities for EUTRAN and
UTRAN/GERAN-Based Systems 25 1.4.9 GSM Base Station Identification 27
1.4.10 UTRA Base Station Identification 28 1.4.11 Numbering, Addressing,
and Identification in the Session Initiation Protocol 29 1.4.12 Access
Point Name 30 1.5 User Equipment 30 1.5.1 UE Categories 31 1.6 QoS
Architecture 32 1.7 LTE Security 34 1.8 Radio Interface Basics 38 1.8.1
Duplex Methods 40 1.8.2 Multiple Access Methods 42 1.8.3 OFDM Principles
and Modulation 46 1.8.4 Multiple Access in OFDM-OFDMA 48 1.8.5 Resource
Blocks 49 1.8.6 Downlink Slot Structure 53 1.8.7 OFDM Scheduling on LTE DL
56 1.8.8 SC-FDMA Principles and Modulation 60 1.8.9 Scheduling on LTE UL 62
1.8.10 Uplink Slot Structure 64 1.8.11 Link Adaptation in LTE 64 1.8.12
Physical Channels in LTE 70 1.8.13 Transport Channels in LTE 79 1.8.14
Channel Mapping and Multiplexing 80 1.8.15 Initial UE Radio Access 82
1.8.16 UE Random Access 82 1.9 Hybrid ARQ 87 1.9.1 Synchronous HARQ in LTE
Uplink 90 1.9.2 Asynchronous HARQ in LTE Downlink 91 1.9.3 HARQ Example 92
1.10 LTE Advanced 94 1.10.1 Increasing Spectral Efficiency 95 1.10.2
Carrier Aggregation 95 1.10.3 Heterogeneous Networks 95 1.10.4 Inter-Cell
Interference Coordination 97 1.11 LTE Network Protocol Architecture 98
1.11.1 Uu-Control/User Plane 98 1.11.2 S1-Control/User Plane 99 1.11.3
X2-User/Control Plane 100 1.11.4 S6a-Control Plane 100 1.11.5
S3/S4/S5/S8/S10/S11-Control Plane/User Plane 101 1.12 Protocol Functions,
Encoding, Basic Messages, and Information Elements 102 1.12.1 Ethernet 102
1.12.2 Internet Protocol (IPv4/IPv6) 102 1.12.3 Stream Control Transmission
Protocol (SCTP) 106 1.12.4 Radio Interface Layer 2 Protocols 108 1.12.5
Medium Access Control (MAC) Protocol 110 1.12.6 Radio Link Control (RLC)
Protocol 111 1.12.7 Packet Data Convergence Protocol (PDCP) 115 1.12.8
Radio Resource Control (RRC) Protocol 117 1.12.9 Non-Access Stratum (NAS)
Protocol 124 1.12.10 S1 Application Part (S1AP) 124 1.12.11 User Datagram
Protocol (UDP) 128 1.12.12 GPRS Tunneling Protocol (GTP) 129 1.12.13
Transmission Control Protocol (TCP) 136 1.12.14 Session Initiation Protocol
(SIP) 138 1.12.15 DIAMETER on EPC Interfaces 139 2 E-UTRAN/EPC Signaling
145 2.1 S1 Setup 145 2.1.1 S1 Setup: Message Flow 145 2.1.2 S1 Setup:
Failure Analysis 147 2.2 Initial Attach 149 2.2.1 Procedure 150 2.3 UE
Context Release Requested by eNodeB 166 2.3.1 Procedure 166 2.4 UE Service
Request 168 2.4.1 Procedure 169 2.5 Dedicated Bearer Setup 172 2.6
Inter-eNodeB Handover over X2 174 2.6.1 Procedure 176 2.7 S1 Handover 186
2.7.1 Procedure 188 2.8 Dedicated Bearer Release 199 2.9 Detach 200 2.9.1
Procedure 200 2.10 Failure Cases in E-UTRAN and EPC 203 2.11 Voice over LTE
(SIP) Call-Complete Scenario 203 2.12 Inter-RAT Cell Reselection 4G-3G-4G
210 2.13 Normal/Periodical Tracking Area Update 211 2.14 CS Fallback
End-to-End S1/IuCS/IuPS 212 2.15 Paging 213 2.16 Multi-E-RAB Call Scenarios
214 2.16.1 Multi-E-RAB Call Scenarios without Subscriber Mobility 214
2.16.2 Multi-E-RAB Call with Intra-LTE Handover 215 2.16.3 Inter-RAT
Mobility of a Multi-E-RAB Call Using CS Fallback 216 2.16.4 Abnormal
Releases of Calls with VoLTE Services 217 3 Radio Interface Signaling
Procedures 219 3.1 RRC Connection Setup, Attach, and Default Bearer Setup
220 3.1.1 Random Access and RRC Connection Setup Procedure 220 3.1.2 RRC
Connection Reconfiguration and Default Bearer Setup 229 3.1.3 RRC
Connection Release 238 3.2 LTE Mobility 238 3.2.1 Intra-eNB Intra-Frequency
HO 242 3.2.2 Intra-eNodeB Inter-Frequency Handover 243 3.2.3 Inter-eNodeB
Intra-Frequency Handover 248 3.2.4 Inter-RAT Handover to 3G 253 3.2.5
Inter-RAT Handover to 2G 255 3.2.6 Inter-RAT Blind Redirection to 3G 257
3.2.7 Inter-RAT Blind Redirection to 2G 259 3.2.8 CS Fallback 260 3.3
Failure Cases 262 4 Key Performance Indicators and Measurements for LTE
Radio Network Optimization 267 4.1 Monitoring Solutions for LTE Interfaces
267 4.1.1 Monitoring the Air Interface (Uu) 267 4.1.2 Antenna-Based
Monitoring 269 4.1.3 Coax-Based Monitoring 270 4.1.4 CPRI-Based Monitoring
270 4.1.5 Monitoring the E-UTRAN Line Interface 272 4.1.6 Monitoring the
eNodeB Trace Port 276 4.2 Monitoring the Scheduler Efficiency 279 4.2.1 UL
and DL Scheduling Resources 285 4.2.2 X2 Load Indication 286 4.2.3 The
eNodeB Layer 2 Measurements 288 4.3 Radio Quality Measurements 290 4.3.1 UE
Measurements 293 4.3.2 The eNodeB Physical Layer Measurements 297 4.3.3
Radio Interface Tester Measurements 301 4.3.4 I/Q Constellation Diagrams
302 4.3.5 EVM/Modulation Error Ratio 304 4.4 Control Plane Performance
Counters and Delay Measurements 306 4.4.1 Network Accessibility 307 4.4.2
Network Retainability 316 4.4.3 Mobility (Handover) 318 4.5 User Plane KPIs
322 4.5.1 IP Throughput 323 4.5.2 Application Throughput 325 4.5.3 TCP
Startup KPIs 327 4.5.4 TCP Round-Trip Time 328 4.5.5 Packet Jitter 329
4.5.6 Packet Delay and Packet Loss on a Hop-to-Hop Basis 330 4.6 KPI
Visualization using Geographical Maps (Geolocation) 331 4.6.1 The Minimize
Drive Test Feature Set of 3GPP 333 Acronyms 337 Bibliography 343 Index 345