{"product_id":"lte-optimization-engineering-handbook-9781119158974","title":"LTE Optimization Engineering Handbook","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eA thorough and complete examination of LTE networks, their operating principles and key insights to performance optimization.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTable of Contents\u003c\/b\u003e\u003cbr\u003e\u003cp\u003eAbout the Author xvi\u003c\/p\u003e \u003cp\u003ePreface xvii\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart 1 LTE Basics and Optimization Overview 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e1 LTE Basement 3\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e1.1 LTE Principle 3\u003c\/p\u003e \u003cp\u003e1.1.1 LTE Architecture 6\u003c\/p\u003e \u003cp\u003e1.1.2 LTE Network Interfaces 7\u003c\/p\u003e \u003cp\u003e1.2 LTE Services 11\u003c\/p\u003e \u003cp\u003e1.2.1 Circuit]Switched Fallback 12\u003c\/p\u003e \u003cp\u003e1.2.2 Voice over LTE 13\u003c\/p\u003e \u003cp\u003e1.2.3 IMS Centralized Services 16\u003c\/p\u003e \u003cp\u003e1.2.4 Over the Top Solutions 16\u003c\/p\u003e \u003cp\u003e1.2.5 SMS Alternatives over LTE 17\u003c\/p\u003e \u003cp\u003e1.2.6 Converged Communication 19\u003c\/p\u003e \u003cp\u003e1.3 LTE Key Technology Overview 19\u003c\/p\u003e \u003cp\u003e1.3.1 Orthogonal Frequency Division Multiplexing 20\u003c\/p\u003e \u003cp\u003e1.3.2 MIMO 21\u003c\/p\u003e \u003cp\u003e1.3.3 Radio Resource Management 22\u003c\/p\u003e \u003cp\u003e\u003cb\u003e2 LTE Optimization Principle and Method 24\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e2.1 LTE\u003c\/p\u003e \u003cp\u003eWireless Optimization Overview 24\u003c\/p\u003e \u003cp\u003e2.1.1 Why LTE Wireless Optimization 24\u003c\/p\u003e \u003cp\u003e2.1.2 Characters of LTE Optimization 24\u003c\/p\u003e \u003cp\u003e2.1.3 LTE Joint Optimization with 2G\/3G 25\u003c\/p\u003e \u003cp\u003e2.1.4 Optimization Target 25\u003c\/p\u003e \u003cp\u003e2.2 LTE Optimization Procedure 26\u003c\/p\u003e \u003cp\u003e2.2.1 Optimization Procedure Overview 26\u003c\/p\u003e \u003cp\u003e2.2.2 Collection of Mass Nerwork Measurement Data 28\u003c\/p\u003e \u003cp\u003e2.2.3 Measurement Report Data Analysis 30\u003c\/p\u003e \u003cp\u003e2.2.4 Signaling Data Analysis 31\u003c\/p\u003e \u003cp\u003e2.2.5 UE Positioning 32\u003c\/p\u003e \u003cp\u003e2.2.5.1 Timing Advance 33\u003c\/p\u003e \u003cp\u003e2.2.5.2 Location Accuracy Evaluation 35\u003c\/p\u003e \u003cp\u003e2.2.5.3 Location Support 36\u003c\/p\u003e \u003cp\u003e2.2.5.4 3D Geolocation 37\u003c\/p\u003e \u003cp\u003e2.2.6 Key Performance Indicators Optimization 42\u003c\/p\u003e \u003cp\u003e2.2.7 Technology Evolution of Optimization 43\u003c\/p\u003e \u003cp\u003e2.3 LTE Optimization Key Point 44\u003c\/p\u003e \u003cp\u003e2.3.1 RF Optimization 44\u003c\/p\u003e \u003cp\u003e2.3.1.1 RSRP\/RSSI\/SINR\/CINR 44\u003c\/p\u003e \u003cp\u003e2.3.1.2 External Interference 48\u003c\/p\u003e \u003cp\u003e2.3.2 CQI versus RSRP and SINR 51\u003c\/p\u003e \u003cp\u003e2.3.2.1 CQI Adjustment 51\u003c\/p\u003e \u003cp\u003e2.3.2.2 SINR Versus Load 54\u003c\/p\u003e \u003cp\u003e2.3.2.3 SINR Versus MCS 56\u003c\/p\u003e \u003cp\u003e2.3.3 Channel Power Configuration 58\u003c\/p\u003e \u003cp\u003e2.3.3.1 RE Power 58\u003c\/p\u003e \u003cp\u003e2.3.3.2 CRS Power Boosting 64\u003c\/p\u003e \u003cp\u003e2.3.3.3 Power Allocation Optimization 66\u003c\/p\u003e \u003cp\u003e2.3.4 Link Adaption 67\u003c\/p\u003e \u003cp\u003e2.3.5 Adaptive Modulation and Coding 69\u003c\/p\u003e \u003cp\u003e2.3.6 Scheduler 70\u003c\/p\u003e \u003cp\u003e2.3.6.1 Downlink Scheduler 72\u003c\/p\u003e \u003cp\u003e2.3.6.2 Uplink Scheduler 74\u003c\/p\u003e \u003cp\u003e2.3.7 Radio Frame 75\u003c\/p\u003e \u003cp\u003e2.3.8 System Information and Timers 76\u003c\/p\u003e \u003cp\u003e2.3.8.1 System Information 76\u003c\/p\u003e \u003cp\u003e2.3.8.2 Timers 81\u003c\/p\u003e \u003cp\u003e2.3.9 Random Access 83\u003c\/p\u003e \u003cp\u003e2.3.10 Radio Admission Control 85\u003c\/p\u003e \u003cp\u003e2.3.11 Paging Control 86\u003c\/p\u003e \u003cp\u003e2.3.11.1 Paging 86\u003c\/p\u003e \u003cp\u003e2.3.11.2 Paging Capacity 92\u003c\/p\u003e \u003cp\u003e2.3.11.3 Paging Message Size 95\u003c\/p\u003e \u003cp\u003e2.3.11.4 Smart Paging 95\u003c\/p\u003e \u003cp\u003e2.3.11.5 Priority Paging 96\u003c\/p\u003e \u003cp\u003e2.3.12 MIMO and Beamforming 97\u003c\/p\u003e \u003cp\u003e2.3.12.1 Basic Multi]Antenna Techniques 100\u003c\/p\u003e \u003cp\u003e2.3.12.2 2D]Beamforming 101\u003c\/p\u003e \u003cp\u003e2.3.12.3 2D MIMO and Parameters 104\u003c\/p\u003e \u003cp\u003e2.3.12.4 Massive]MIMO 105\u003c\/p\u003e \u003cp\u003e2.3.13 Power Control 107\u003c\/p\u003e \u003cp\u003e2.3.13.1 PUSCH\/PUCCH Power Control 107\u003c\/p\u003e \u003cp\u003e2.3.13.2 PRACH Power Control 109\u003c\/p\u003e \u003cp\u003e2.3.14 Antenna Adjustment 111\u003c\/p\u003e \u003cp\u003e2.3.14.1 Antenna Position 112\u003c\/p\u003e \u003cp\u003e2.3.14.2 Remote Electrical Tilt 113\u003c\/p\u003e \u003cp\u003e2.3.14.3 Antenna Azimuths and Tilts Optimization 117\u003c\/p\u003e \u003cp\u003e2.3.14.4 VSWR Troubleshooting 118\u003c\/p\u003e \u003cp\u003e2.3.15 Main Key Performance Indicators 120\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart 2 Main Principles of LTE Optimization 123\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e3 Coverage Optimization 125\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e3.1 Traffic Channel Coverage 125\u003c\/p\u003e \u003cp\u003e3.1.1 Parameters of Coverage 126\u003c\/p\u003e \u003cp\u003e3.1.2 Weak Coverage 128\u003c\/p\u003e \u003cp\u003e3.1.2.1 DL Coverage Hole 128\u003c\/p\u003e \u003cp\u003e3.1.2.2 UL Weak Coverage 128\u003c\/p\u003e \u003cp\u003e3.1.2.3 UL and DL Imbalance 129\u003c\/p\u003e \u003cp\u003e3.1.3 Overlapping Coverage 129\u003c\/p\u003e \u003cp\u003e3.1.4 Overshooting 130\u003c\/p\u003e \u003cp\u003e3.1.5 Tx1\/Tx2 RSRP Imbalance 132\u003c\/p\u003e \u003cp\u003e3.1.6 Extended Coverage 132\u003c\/p\u003e \u003cp\u003e3.1.7 Cell Border Adjustment 135\u003c\/p\u003e \u003cp\u003e3.1.8 Vertical Coverage 137\u003c\/p\u003e \u003cp\u003e3.1.9 Parameters Impacting Coverage 138\u003c\/p\u003e \u003cp\u003e3.2 Control\u003c\/p\u003e \u003cp\u003eChannel Coverage 138\u003c\/p\u003e \u003cp\u003e\u003cb\u003e4 Capacity Optimization 140\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e4.1 RS SINR 140\u003c\/p\u003e \u003cp\u003e4.2 PDCCH\u003c\/p\u003e \u003cp\u003eCapacity 141\u003c\/p\u003e \u003cp\u003e4.3 PUCCH Capacity 144\u003c\/p\u003e \u003cp\u003e4.3.1 Factors Affecting PUCCH Capacity 145\u003c\/p\u003e \u003cp\u003e4.3.2 PUCCH Dimensioning Example 151\u003c\/p\u003e \u003cp\u003e4.4 Number of Scheduled UEs 152\u003c\/p\u003e \u003cp\u003e4.5 Spectral Efficiency 153\u003c\/p\u003e \u003cp\u003e4.6 DL\u003c\/p\u003e \u003cp\u003eData Rate Optimization 154\u003c\/p\u003e \u003cp\u003e4.6.1 Limitation Factor 156\u003c\/p\u003e \u003cp\u003e4.6.2 Model of DL Data Throughput 157\u003c\/p\u003e \u003cp\u003e4.6.3 UDP\/TCP Protocol 158\u003c\/p\u003e \u003cp\u003e4.6.4 MIMO 161\u003c\/p\u003e \u003cp\u003e4.6.4.1 DL MIMO 161\u003c\/p\u003e \u003cp\u003e4.6.4.2 4Tx\/4Rx Performance 163\u003c\/p\u003e \u003cp\u003e4.6.4.3 Transmission Mode Switch 163\u003c\/p\u003e \u003cp\u003e4.6.4.4 UL MU]MIMO 164\u003c\/p\u003e \u003cp\u003e4.6.5 DL PRB Allocation and Utilization Mechanism 165\u003c\/p\u003e \u003cp\u003e4.6.6 DL BLER 167\u003c\/p\u003e \u003cp\u003e4.6.7 Impact of UE Velocity 169\u003c\/p\u003e \u003cp\u003e4.6.8 Single User Throughput Optimization 170\u003c\/p\u003e \u003cp\u003e4.6.8.1 Radio Analysis – Assignable Bits 171\u003c\/p\u003e \u003cp\u003e4.6.8.2 Radio Analysis – CFI and Scheduling 171\u003c\/p\u003e \u003cp\u003e4.6.8.3 Radio Analysis – HARQ 171\u003c\/p\u003e \u003cp\u003e4.6.9 Avarage Cell Throughput Optimization 172\u003c\/p\u003e \u003cp\u003e4.6.10 Cell Edge Throughput Optimization 172\u003c\/p\u003e \u003cp\u003e4.6.11 Some Issues of DL Throughput 173\u003c\/p\u003e \u003cp\u003e4.6.11.1 Antenna Diversity not Balanced 173\u003c\/p\u003e \u003cp\u003e4.6.11.2 DL Grant is not Enough 173\u003c\/p\u003e \u003cp\u003e4.6.11.3 Unstable Rate 175\u003c\/p\u003e \u003cp\u003e4.7 UL Data Rate Optimization 175\u003c\/p\u003e \u003cp\u003e4.7.1 Model of UL Data Throughput 176\u003c\/p\u003e \u003cp\u003e4.7.2 UL SINR and PUSCH Data Rate 176\u003c\/p\u003e \u003cp\u003e4.7.3 PRB Stretching and Throughput 179\u003c\/p\u003e \u003cp\u003e4.7.4 Single User Throughput Optimization 180\u003c\/p\u003e \u003cp\u003e4.7.4.1 Radio Analysis – Available PRBs 181\u003c\/p\u003e \u003cp\u003e4.7.4.2 Radio Analysis—Link Adaptation 181\u003c\/p\u003e \u003cp\u003e4.7.4.3 Radio Analysis – PDCCH 182\u003c\/p\u003e \u003cp\u003e4.7.5 Cell Avarage and Cell]edge Throughput Optimization 182\u003c\/p\u003e \u003cp\u003e4.7.6 Some Issues of UL Throughput 183\u003c\/p\u003e \u003cp\u003e4.8 Parameters Impacting Throughput 185\u003c\/p\u003e \u003cp\u003e\u003cb\u003e5 Internal Interference Optimization 188\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e5.1 Interference Concept 188\u003c\/p\u003e \u003cp\u003e5.2 DL\u003c\/p\u003e \u003cp\u003eInterference 190\u003c\/p\u003e \u003cp\u003e5.2.1 DL Interference Ratio 191\u003c\/p\u003e \u003cp\u003e5.2.2 Balance Between SINR and RSRP 192\u003c\/p\u003e \u003cp\u003e5.3 UL Interference 192\u003c\/p\u003e \u003cp\u003e5.3.1 UL Interference Detection 194\u003c\/p\u003e \u003cp\u003e5.3.2 Generation of UL Interference 196\u003c\/p\u003e \u003cp\u003e5.3.2.1 Cell Loading Versus Inter]Cell Interference 196\u003c\/p\u003e \u003cp\u003e5.3.2.2 Unreasonable UL Network Structure 197\u003c\/p\u003e \u003cp\u003e5.3.2.3 Cross slot interference 199\u003c\/p\u003e \u003cp\u003e5.3.3 PUSCH Tx Power Analysis 200\u003c\/p\u003e \u003cp\u003e5.3.4 UL Effect of P0 and α 202\u003c\/p\u003e \u003cp\u003e5.3.5 PRACH Power Control 204\u003c\/p\u003e \u003cp\u003e5.3.6 SRS Power Control 206\u003c\/p\u003e \u003cp\u003e5.3.7 Interference Rejection Combinin 209\u003c\/p\u003e \u003cp\u003e5.4 Inter]Cell Interference Coordination 210\u003c\/p\u003e \u003cp\u003e5.5 UL IoT Control 210\u003c\/p\u003e \u003cp\u003e5.5.1 UL Interference Issues and Possible Solutions 210\u003c\/p\u003e \u003cp\u003e5.5.2 UL IoT Control Mechanism 210\u003c\/p\u003e \u003cp\u003e5.5.3 PUSCH UL_SINR Target Calculation 212\u003c\/p\u003e \u003cp\u003e5.5.4 UL Interference Criteria 213\u003c\/p\u003e \u003cp\u003e\u003cb\u003e6 Drop Call Optimization 216\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e6.1 Drop Call Mechanism 216\u003c\/p\u003e \u003cp\u003e6.1.1 Radio Link Failure Detection by UE 217\u003c\/p\u003e \u003cp\u003e6.1.2 RadioLink Failure Detection by eNB 220\u003c\/p\u003e \u003cp\u003e6.1.2.1 Link Monitors in eNB 220\u003c\/p\u003e \u003cp\u003e6.1.2.2 Time Alignment Mechanism 221\u003c\/p\u003e \u003cp\u003e6.1.2.3 Maximum RLC Retransmissions Exceeded 224\u003c\/p\u003e \u003cp\u003e6.1.3 RadioLink Failure Optimization and Recovery 225\u003c\/p\u003e \u003cp\u003e6.2 Reasons of Call Drop and Optimization 227\u003c\/p\u003e \u003cp\u003e6.2.1 Reasons of E]RAB Drop 227\u003c\/p\u003e \u003cp\u003e6.2.2 S1 Release 230\u003c\/p\u003e \u003cp\u003e6.2.3 Retainability Optimization 233\u003c\/p\u003e \u003cp\u003e6.3 RRC Connection Reestablishment 233\u003c\/p\u003e \u003cp\u003e6.4 RRC Connection Supervision 239\u003c\/p\u003e \u003cp\u003e\u003cb\u003e7 Latency Optimization 244\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e7.1 User Plane Latency 244\u003c\/p\u003e \u003cp\u003e7.2 Control Plane Latency 247\u003c\/p\u003e \u003cp\u003e7.3 Random Access Latency Optimization 247\u003c\/p\u003e \u003cp\u003e7.4 Attach Latency Optimization 248\u003c\/p\u003e \u003cp\u003e7.5 Paging Latency Optimization 250\u003c\/p\u003e \u003cp\u003e7.6 Parameters Impacting Latency 250\u003c\/p\u003e \u003cp\u003e\u003cb\u003e8 Mobility Optimization 254\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e8.1 Mobility Management 255\u003c\/p\u003e \u003cp\u003e8.1.1 RRC Connection Management 256\u003c\/p\u003e \u003cp\u003e8.1.2 Measurement and Handover Events 256\u003c\/p\u003e \u003cp\u003e8.1.3 Handover Procedure 260\u003c\/p\u003e \u003cp\u003e8.1.3.1 X2 Handover 261\u003c\/p\u003e \u003cp\u003e8.1.3.2 S1 Handover 267\u003c\/p\u003e \u003cp\u003e8.1.3.3 Key point of X2\/S1 Handover 267\u003c\/p\u003e \u003cp\u003e8.2 Mobility Parameter 269\u003c\/p\u003e \u003cp\u003e8.2.1 Attach and Dettach 272\u003c\/p\u003e \u003cp\u003e8.2.2 UE Measurement Criterion in Idle Mode and Cell Selection 273\u003c\/p\u003e \u003cp\u003e8.2.3 Cell Priority 276\u003c\/p\u003e \u003cp\u003e8.3 Intra]LTE Cell Reselection 276\u003c\/p\u003e \u003cp\u003e8.3.1 Cell Reselection Procedure 278\u003c\/p\u003e \u003cp\u003e8.3.2 Inter]Frequency Cell Reselection 279\u003c\/p\u003e \u003cp\u003e8.3.3 Cell Reselection Parameters 282\u003c\/p\u003e \u003cp\u003e8.3.4 Inter]Frequency Reselection Optimization 283\u003c\/p\u003e \u003cp\u003e8.4 Intra]LTE Handover Optimization 285\u003c\/p\u003e \u003cp\u003e8.4.1 A3 and A5 Handover 285\u003c\/p\u003e \u003cp\u003e8.4.2 Data Forwarding 290\u003c\/p\u003e \u003cp\u003e8.4.3 Intra]Frequency Handover Optimization 291\u003c\/p\u003e \u003cp\u003e8.4.4 Inter]Frequency Handover Optimization 292\u003c\/p\u003e \u003cp\u003e8.4.5 Timers for Handover Failures 296\u003c\/p\u003e \u003cp\u003e8.5 Neighbor Cell Optimization 297\u003c\/p\u003e \u003cp\u003e8.5.1 Intra]LTE Neighbor Cell Optimization 297\u003c\/p\u003e \u003cp\u003e8.5.1.1 Neighbor Relations Table 297\u003c\/p\u003e \u003cp\u003e8.5.1.2 ANR 298\u003c\/p\u003e \u003cp\u003e8.5.2 Suitable Neighbors for Load Balancing 299\u003c\/p\u003e \u003cp\u003e8.6 Measurement Gap 299\u003c\/p\u003e \u003cp\u003e8.6.1 Measurement Gap Pattern 299\u003c\/p\u003e \u003cp\u003e8.6.2 Measurement Gap Versus Period of CQI Report and DRX 304\u003c\/p\u003e \u003cp\u003e8.6.3 Impact of Throughput on Measurement Gap 304\u003c\/p\u003e \u003cp\u003e8.7 Indoor and Outdoor Mobility 305\u003c\/p\u003e \u003cp\u003e8.8 Inter]RAT Mobility 306\u003c\/p\u003e \u003cp\u003e8.8.1 Inter]RAT Mobility Architecture and Key Technology 307\u003c\/p\u003e \u003cp\u003e8.8.2 LTE to G\/U Strategy 309\u003c\/p\u003e \u003cp\u003e8.8.3 Reselection Optimization 314\u003c\/p\u003e \u003cp\u003e8.8.3.1 LTE to UTRAN 315\u003c\/p\u003e \u003cp\u003e8.8.3.2 UTRAN to LTE 319\u003c\/p\u003e \u003cp\u003e8.8.4 Redirection Optimization 320\u003c\/p\u003e \u003cp\u003e8.8.4.1 LTE to UTRAN 320\u003c\/p\u003e \u003cp\u003e8.8.4.2 UTRAN to LTE 322\u003c\/p\u003e \u003cp\u003e8.8.5 PS Handover Optimization 322\u003c\/p\u003e \u003cp\u003e8.8.5.1 LTE to UTRAN 322\u003c\/p\u003e \u003cp\u003e8.8.5.2 UTRAN to LTE 324\u003c\/p\u003e \u003cp\u003e8.8.6 Reselection and Redirection Latency 325\u003c\/p\u003e \u003cp\u003e8.8.7 Optimization Case Study 326\u003c\/p\u003e \u003cp\u003e8.9 Handover Interruption Time Optimization 326\u003c\/p\u003e \u003cp\u003e8.9.1 Control Plane and User Plane Latency 329\u003c\/p\u003e \u003cp\u003e8.9.2 Inter]RAT Mobility Latency 332\u003c\/p\u003e \u003cp\u003e8.10 Handover Failure and Improvement 332\u003c\/p\u003e \u003cp\u003e8.11 Mobility Robustness Optimization 335\u003c\/p\u003e \u003cp\u003e8.12 Carrier Aggregation Mobility Optimization 341\u003c\/p\u003e \u003cp\u003e8.13 FDD]TDD Inter]mode Mobility Optimization 345\u003c\/p\u003e \u003cp\u003e8.14 Load Balance 346\u003c\/p\u003e \u003cp\u003e8.14.1 Inter]Frequency Load Balance 346\u003c\/p\u003e \u003cp\u003e8.14.2 Inter]RAT Load Balance 348\u003c\/p\u003e \u003cp\u003e8.14.3 Load Based Idle Mode Mobility 349\u003c\/p\u003e \u003cp\u003e8.15 High]Speed Mobile Optimization 351\u003c\/p\u003e \u003cp\u003e8.15.1 High]Speed Mobile Feature 353\u003c\/p\u003e \u003cp\u003e8.15.2 Speed]Dependent Cell Reselection 354\u003c\/p\u003e \u003cp\u003e8.15.3 PRACH Issues 356\u003c\/p\u003e \u003cp\u003e8.15.4 Solution for Air to Ground 358\u003c\/p\u003e \u003cp\u003e9 Traffic Model of Smartphone and Optimization 360\u003c\/p\u003e \u003cp\u003e9.1 Traffic Model of Smartphone 360\u003c\/p\u003e \u003cp\u003e9.1.1 QoS Mechanism 362\u003c\/p\u003e \u003cp\u003e9.1.2 Rate Shaping and Traffic Management 366\u003c\/p\u003e \u003cp\u003e9.1.3 Traffic Model 371\u003c\/p\u003e \u003cp\u003e9.2 Smartphone]Based Optimization 372\u003c\/p\u003e \u003cp\u003e9.3 High]Traffic Scenario Optimization 372\u003c\/p\u003e \u003cp\u003e9.3.1 Resource Configuration 374\u003c\/p\u003e \u003cp\u003e9.3.2 Capacity Monitoring 375\u003c\/p\u003e \u003cp\u003e9.3.3 Special Features and Parameters for High Traffic 377\u003c\/p\u003e \u003cp\u003e9.3.4 UL Noise Rise 379\u003c\/p\u003e \u003cp\u003e9.3.5 Offload Solution and Parameter Settings 379\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart III Voice Optimization of LTE 383\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e10 Circuit Switched Fallback Optimization 385\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e10.1 Voice Evolution 385\u003c\/p\u003e \u003cp\u003e10.2 CSFB Network Architecture and Configuration 386\u003c\/p\u003e \u003cp\u003e10.2.1 CSFB Architecture 386\u003c\/p\u003e \u003cp\u003e10.2.2 Combined Register 387\u003c\/p\u003e \u003cp\u003e10.2.3 CSFB Call Procedure 392\u003c\/p\u003e \u003cp\u003e10.2.3.1 Fallback Options 392\u003c\/p\u003e \u003cp\u003e10.2.3.2 RRC Release with Redirection 393\u003c\/p\u003e \u003cp\u003e10.2.3.3 CSFB Call Procedure 395\u003c\/p\u003e \u003cp\u003e10.2.4 Mismatch Between TA and LA 397\u003c\/p\u003e \u003cp\u003e10.3 CSFB Performance Optimization 402\u003c\/p\u003e \u003cp\u003e10.3.1 CSFB Optimization 402\u003c\/p\u003e \u003cp\u003e10.3.1.1 Main Issues of CSFB 402\u003c\/p\u003e \u003cp\u003e10.3.1.2 CSFB Optimization Method 403\u003c\/p\u003e \u003cp\u003e10.3.2 CSFB Main KPI 407\u003c\/p\u003e \u003cp\u003e10.3.3 Fallback RAT Frequency Configuration Optimization 409\u003c\/p\u003e \u003cp\u003e10.3.4 Call Setup Time Latency Optimization 411\u003c\/p\u003e \u003cp\u003e10.3.4.1 ESR to Redirection Optimization 416\u003c\/p\u003e \u003cp\u003e10.3.4.2 Twice Paging 416\u003c\/p\u003e \u003cp\u003e10.3.5 Data Interruption Time 418\u003c\/p\u003e \u003cp\u003e10.3.6 Return to LTE After Call Complete 419\u003c\/p\u003e \u003cp\u003e10.4 Short Message Over CSFB 422\u003c\/p\u003e \u003cp\u003e10.5 Case Study of CSFB Optimization 423\u003c\/p\u003e \u003cp\u003e10.5.1 Combined TA\/LA Updating Issue 423\u003c\/p\u003e \u003cp\u003e10.5.2 MTRF Issue 425\u003c\/p\u003e \u003cp\u003e10.5.3 Track Area Update Reject After CSFB 425\u003c\/p\u003e \u003cp\u003e10.5.3.1 No EPS Bearer Context Issue 428\u003c\/p\u003e \u003cp\u003e10.5.3.2 Implicitly Detach Issue 428\u003c\/p\u003e \u003cp\u003e10.5.3.3 MS Identity Issue 428\u003c\/p\u003e \u003cp\u003e10.5.4 Pseudo Base Station 428\u003c\/p\u003e \u003cp\u003e\u003cb\u003e11 VoLTE Optimization 434\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e11.1 VoLTE Architecture and Protocol Stack 435\u003c\/p\u003e \u003cp\u003e11.1.1 VoLTE Architecture 435\u003c\/p\u003e \u003cp\u003e11.1.2 VoLTE Protocol Stack 435\u003c\/p\u003e \u003cp\u003e11.1.3 VoLTE Technical Summary 438\u003c\/p\u003e \u003cp\u003e11.1.4 VoLTE Capability in UE 439\u003c\/p\u003e \u003cp\u003e11.2 VoIP\/Video QoS and Features 442\u003c\/p\u003e \u003cp\u003e11.2.1 VoIP\/Video QoS 442\u003c\/p\u003e \u003cp\u003e11.2.2 Voice Codec 444\u003c\/p\u003e \u003cp\u003e11.2.3 Video Codec 446\u003c\/p\u003e \u003cp\u003e11.2.4 Radio Bearer for VoLTE 449\u003c\/p\u003e \u003cp\u003e11.2.5 RLC UM 454\u003c\/p\u003e \u003cp\u003e11.2.6 Call Procedure 457\u003c\/p\u003e \u003cp\u003e11.2.6.1 LTE Attach and IMS Register 458\u003c\/p\u003e \u003cp\u003e11.2.6.2 E2E IMS Flow 458\u003c\/p\u003e \u003cp\u003e11.2.6.3 Video Phone Session Handling 462\u003c\/p\u003e \u003cp\u003e11.2.7 Multiple Bearers Setup and Release 466\u003c\/p\u003e \u003cp\u003e11.2.8 VoLTE Call On]Hold\/Call Waiting 467\u003c\/p\u003e \u003cp\u003e11.2.9 Differentiated Paging Priority 468\u003c\/p\u003e \u003cp\u003e11.2.10 Robust Header Compression 470\u003c\/p\u003e \u003cp\u003e11.2.10.1 RoHC Feature 470\u003c\/p\u003e \u003cp\u003e11.2.10.2 Gain by RoHC 470\u003c\/p\u003e \u003cp\u003e11.2.11 Inter]eNB Uplink CoMP for VoLTE 475\u003c\/p\u003e \u003cp\u003e11.3 Semi]\u003c\/p\u003e \u003cp\u003ePersistent Scheduling and Other Scheduling Methods 477\u003c\/p\u003e \u003cp\u003e11.3.1 SPS Scheduling 477\u003c\/p\u003e \u003cp\u003e11.3.2 SPS Link Adaptation 478\u003c\/p\u003e \u003cp\u003e11.3.3 Delay Based Scheduling 481\u003c\/p\u003e \u003cp\u003e11.3.4 Pre]scheduling 482\u003c\/p\u003e \u003cp\u003e11.4 PRB and MCS Selection Mechanism 484\u003c\/p\u003e \u003cp\u003e11.4.1 Optimized Segmentation 484\u003c\/p\u003e \u003cp\u003e11.4.2 PRB and MCS Selection 485\u003c\/p\u003e \u003cp\u003e11.5 VoLTE Capacity 486\u003c\/p\u003e \u003cp\u003e11.5.1 Control Channel for VoLTE 487\u003c\/p\u003e \u003cp\u003e11.5.2 Performance of Mixed VoIP and Data 488\u003c\/p\u003e \u003cp\u003e11.6 VoLTE Coverage 491\u003c\/p\u003e \u003cp\u003e11.6.1 VoIP Payload and RoHC 492\u003c\/p\u003e \u003cp\u003e11.6.2 RLC Segmentation 492\u003c\/p\u003e \u003cp\u003e11.6.3 TTI Bundling 498\u003c\/p\u003e \u003cp\u003e11.6.4 TTI Bundling Optimization 502\u003c\/p\u003e \u003cp\u003e11.6.5 Coverage Gain with RLC Segmentation and TTI Bundling 507\u003c\/p\u003e \u003cp\u003e11.6.6 MCS\/TBS\/PRB Selection 509\u003c\/p\u003e \u003cp\u003e11.6.7 Link Budget 510\u003c\/p\u003e \u003cp\u003e11.7 VoLTE Delay 513\u003c\/p\u003e \u003cp\u003e11.7.1 Call Setup Delay 516\u003c\/p\u003e \u003cp\u003e11.7.1.1 Call Setup Time 516\u003c\/p\u003e \u003cp\u003e11.7.1.2 Reasons for Long Call Setup Time 516\u003c\/p\u003e \u003cp\u003e11.7.2 Conversation Start Delay 519\u003c\/p\u003e \u003cp\u003e11.7.3 RTP Delay 521\u003c\/p\u003e \u003cp\u003e11.7.4 Handover Delay and Optimization 525\u003c\/p\u003e \u003cp\u003e11.8 Intra]LTE Handover and eSRVCC 527\u003c\/p\u003e \u003cp\u003e11.8.1 Intra]Frequency Handover 527\u003c\/p\u003e \u003cp\u003e11.8.2 Inter]Frequency Handover 528\u003c\/p\u003e \u003cp\u003e11.8.3 Single Radio Voice Call Continuity Procedure 529\u003c\/p\u003e \u003cp\u003e11.8.4 SRVCC Parameters Optimization 539\u003c\/p\u003e \u003cp\u003e11.8.4.1 Handover Parameters 539\u003c\/p\u003e \u003cp\u003e11.8.4.2 SRVCC–Related Timer 539\u003c\/p\u003e \u003cp\u003e11.8.5 aSRVCC and bSRVCC 543\u003c\/p\u003e \u003cp\u003e11.8.6 SRVCC Failure 543\u003c\/p\u003e \u003cp\u003e11.8.7 Reducing SRVCC Voice Gap and eSRVCC 545\u003c\/p\u003e \u003cp\u003e11.8.7.1 Voice Interruption Time during SRVCC 545\u003c\/p\u003e \u003cp\u003e11.8.7.2 eSRVCC 549\u003c\/p\u003e \u003cp\u003e11.8.8 Fast Return to LTE 552\u003c\/p\u003e \u003cp\u003e11.8.9 Roaming Behavior According to Network Capabilities 555\u003c\/p\u003e \u003cp\u003e11.9 Network Quality and Subjective Speech Quality 555\u003c\/p\u003e \u003cp\u003e11.9.1 Bearer Latency 558\u003c\/p\u003e \u003cp\u003e11.9.2 MoS 561\u003c\/p\u003e \u003cp\u003e11.9.2.1 Voice Quality 561\u003c\/p\u003e \u003cp\u003e11.9.2.2 Video Quality 570\u003c\/p\u003e \u003cp\u003e11.9.3 Jitter 571\u003c\/p\u003e \u003cp\u003e11.9.4 Packet Loss 572\u003c\/p\u003e \u003cp\u003e11.9.5 One Way Audio 575\u003c\/p\u003e \u003cp\u003e11.9.6 PDCP Discard Timer Operation 576\u003c\/p\u003e \u003cp\u003e11.10 Optimization 577\u003c\/p\u003e \u003cp\u003e11.10.1 Distribution of Main Indicators of Field Test 580\u003c\/p\u003e \u003cp\u003e11.10.2 Compression Ratio and GBR Throughput 584\u003c\/p\u003e \u003cp\u003e11.10.3 RB Utilization 584\u003c\/p\u003e \u003cp\u003e11.10.4 BLER Issue 587\u003c\/p\u003e \u003cp\u003e11.10.5 Quality Due to Handover 589\u003c\/p\u003e \u003cp\u003e11.10.6 eSRVCC Handover Issues 589\u003c\/p\u003e \u003cp\u003e11.10.7 Packet Loss 592\u003c\/p\u003e \u003cp\u003e11.10.7.1 Packet Loss due to Poor RF 592\u003c\/p\u003e \u003cp\u003e11.10.7.2 Packet Loss due to Massive users 592\u003c\/p\u003e \u003cp\u003e11.10.7.3 Packet Loss Due to Insufficient UL grant 592\u003c\/p\u003e \u003cp\u003e11.10.7.4 Packet Loss due to Handover 601\u003c\/p\u003e \u003cp\u003e11.10.7.5 Packet Loss Due to Network Issue 601\u003c\/p\u003e \u003cp\u003e11.10.8 Call Setup Issues 601\u003c\/p\u003e \u003cp\u003e11.10.8.1 Missed Pages 602\u003c\/p\u003e \u003cp\u003e11.10.8.2 IMS Issues 604\u003c\/p\u003e \u003cp\u003e11.10.8.3 Dedicated Bearer Setup Issues 609\u003c\/p\u003e \u003cp\u003e11.10.8.4 CSFB Call Issues 612\u003c\/p\u003e \u003cp\u003e11.10.8.5 aSRVCC Failure 612\u003c\/p\u003e \u003cp\u003e11.10.8.6 RF Issues 612\u003c\/p\u003e \u003cp\u003e11.10.8.7 Frequent TFT Updates 617\u003c\/p\u003e \u003cp\u003e11.10.8.8 Encryption Issue 618\u003c\/p\u003e \u003cp\u003e11.10.9 Call Drop 619\u003c\/p\u003e \u003cp\u003e11.10.9.1 Call Drop 619\u003c\/p\u003e \u003cp\u003e11.10.9.2 Radio Link Failure 622\u003c\/p\u003e \u003cp\u003e11.10.9.3 RTP]RTCP Timeout 624\u003c\/p\u003e \u003cp\u003e11.10.9.4 RLC\/PDCP SN Length Mismatch 626\u003c\/p\u003e \u003cp\u003e11.10.9.5 IMS Session Drop 626\u003c\/p\u003e \u003cp\u003e11.10.9.6 eNB\/MME Initiated Drop 632\u003c\/p\u003e \u003cp\u003e11.10.10 Packet Aggregation Level 632\u003c\/p\u003e \u003cp\u003e11.10.11 VoIP Padding 633\u003c\/p\u003e \u003cp\u003e11.10.12 VoIP Ralated Parameters 635\u003c\/p\u003e \u003cp\u003e11.10.13 Video]Related Optimization 635\u003c\/p\u003e \u003cp\u003e11.10.13.1 Video Bit Rate and Frame Rate 637\u003c\/p\u003e \u003cp\u003e11.10.13.2 Video MoS and Audio\/Video Sync 637\u003c\/p\u003e \u003cp\u003e11.10.14 IMS Ralated Timer 637\u003c\/p\u003e \u003cp\u003e11.11 UE Battery Consumption Optimization for VoLTE 638\u003c\/p\u003e \u003cp\u003e11.11.1 Connected Mode DRX Parameter 643\u003c\/p\u003e \u003cp\u003e11.11.2 DRX Optimization 644\u003c\/p\u003e \u003cp\u003e11.11.2.1 State Estimation 644\u003c\/p\u003e \u003cp\u003e11.11.2.2 DRX Optimization and Parameters 644\u003c\/p\u003e \u003cp\u003e11.11.2.3 KPI Impacts with DRX 648\u003c\/p\u003e \u003cp\u003e11.11.3 Scheduling Request Periodicity and Disabling of Aperiodic CQI 652\u003c\/p\u003e \u003cp\u003e11.12 Comparation with VoLTE and OTT 654\u003c\/p\u003e \u003cp\u003e11.12.1 OTT VoIP User Experience 654\u003c\/p\u003e \u003cp\u003e11.12.2 OTT VoIP Codec 657\u003c\/p\u003e \u003cp\u003e11.12.3 Signaling Load of OTT VoIP 658\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePart IV Advanced Optimization of LTE 663\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e12 PRACH Optimization 665\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e12.1 Overview 665\u003c\/p\u003e \u003cp\u003e12.2 PRACH Configuration Index 669\u003c\/p\u003e \u003cp\u003e12.3 RACH Root Sequence 673\u003c\/p\u003e \u003cp\u003e12.4 PRACH Cyclic Shift 674\u003c\/p\u003e \u003cp\u003e12.4.1 PRACH Cyclic Shift Optimization 674\u003c\/p\u003e \u003cp\u003e12.4.2 Rrestricted Set 679\u003c\/p\u003e \u003cp\u003e12.5 Prach Frequency Offset 682\u003c\/p\u003e \u003cp\u003e12.6 Preamble Collision Probability 683\u003c\/p\u003e \u003cp\u003e12.7 Preamble Power 684\u003c\/p\u003e \u003cp\u003e12.8 Random Access Issues 687\u003c\/p\u003e \u003cp\u003e12.9 RACH Message Optimization 689\u003c\/p\u003e \u003cp\u003e12.10 Accessibility Optimization 692\u003c\/p\u003e \u003cp\u003e12.10.1 Reasons for Poor Accessibility 692\u003c\/p\u003e \u003cp\u003e12.10.2 Accessibility 693\u003c\/p\u003e \u003cp\u003e12.10.3 Accessibility Analysis Tree 695\u003c\/p\u003e \u003cp\u003e12.10.4 Call and Data Session Setup Optimization 697\u003c\/p\u003e \u003cp\u003e12.10.5 RACH Estimation for Different Traffic Profile 698\u003c\/p\u003e \u003cp\u003e\u003cb\u003e13 Physical Cell ID Optimization 702\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e13.1 Overview 702\u003c\/p\u003e \u003cp\u003e13.2 PCI Optimization Methodology 703\u003c\/p\u003e \u003cp\u003e13.2.1 PCI Group Optimization 705\u003c\/p\u003e \u003cp\u003e13.2.2 PCI Code Reuse Distance 705\u003c\/p\u003e \u003cp\u003e13.2.3 Mod3\/30 Discrepancy Analysis 708\u003c\/p\u003e \u003cp\u003e13.2.4 Collision and Confusion 708\u003c\/p\u003e \u003cp\u003e13.3 PCI Optimization 709\u003c\/p\u003e \u003cp\u003e\u003cb\u003e14 Tracking Areas Optimization 711\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e14.1 TA Optimization 712\u003c\/p\u003e \u003cp\u003e14.1.1 TA Update Procedure 713\u003c\/p\u003e \u003cp\u003e14.1.2 TA Optimization and TAU Failure 715\u003c\/p\u003e \u003cp\u003e14.2 TA List Optimization 716\u003c\/p\u003e \u003cp\u003e14.3 TAU Reject Analysis and Optimization 719\u003c\/p\u003e \u003cp\u003e\u003cb\u003e15 Uplink Signal Optimization 721\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e15.1 Uplink Reference Signal Optimization 721\u003c\/p\u003e \u003cp\u003e15.1.1 Coding Scheme of UL RS 722\u003c\/p\u003e \u003cp\u003e15.1.2 Correlation of UL Sequence Group 723\u003c\/p\u003e \u003cp\u003e15.1.2.1 UL Sequence Group Hopping 725\u003c\/p\u003e \u003cp\u003e15.1.2.2 UL Sequence Hopping 726\u003c\/p\u003e \u003cp\u003e15.1.2.3 UL Cyclic Shift Hopping 726\u003c\/p\u003e \u003cp\u003e15.1.3 UL Sequence Group Optimization 727\u003c\/p\u003e \u003cp\u003e15.2 Uplink Sounding Signal Optimization 729\u003c\/p\u003e \u003cp\u003e15.2.1 SRS Characters 730\u003c\/p\u003e \u003cp\u003e15.2.2 Wideband SRS Coverage 736\u003c\/p\u003e \u003cp\u003e15.2.3 Dynamic SRS Adjustment Scheme 736\u003c\/p\u003e \u003cp\u003e15.2.4 SRS Selection Dimension and Confliction 737\u003c\/p\u003e \u003cp\u003e15.2.5 SRS Conflict and Optimization 739\u003c\/p\u003e \u003cp\u003e\u003cb\u003e16 HetNet Optimization 741\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e16.1 UE Geolocation and Identification of Traffic Hot Spots 741\u003c\/p\u003e \u003cp\u003e16.2 Wave Propagation Characteristics for HetNet 745\u003c\/p\u003e \u003cp\u003e16.3 New Features in HetNet 746\u003c\/p\u003e \u003cp\u003e16.4 Combined Cell Optimization 747\u003c\/p\u003e \u003cp\u003e16.5 Cell Range Expansion Offset 748\u003c\/p\u003e \u003cp\u003e16.6 HetNet Cell Reselection and Handover Optimization 751\u003c\/p\u003e \u003cp\u003e\u003cb\u003e17 QoE Evaluation and Optimization Strategy 752\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e17.1 QoE Modeling 753\u003c\/p\u003e \u003cp\u003e17.2 Data Collecting and Processing 756\u003c\/p\u003e \u003cp\u003e17.3 QoE]Based Traffic Evaluation 757\u003c\/p\u003e \u003cp\u003e17.3.1 Online Video QoE 757\u003c\/p\u003e \u003cp\u003e17.3.1.1 Video Quality Monitoring Methods 761\u003c\/p\u003e \u003cp\u003e17.3.1.2 RATE Adaptive Video Codecs 763\u003c\/p\u003e \u003cp\u003e17.3.1.3 Streaming KPI and QoE 764\u003c\/p\u003e \u003cp\u003e17.3.1.4 Video Optimization 766\u003c\/p\u003e \u003cp\u003e17.3.2 Voice QoE 769\u003c\/p\u003e \u003cp\u003e17.3.3 Data Service QoE 770\u003c\/p\u003e \u003cp\u003e17.3.3.1 Web browsing 770\u003c\/p\u003e \u003cp\u003e17.3.3.2 Online Gaming 774\u003c\/p\u003e \u003cp\u003e17.4 QoE Based Optimization 776\u003c\/p\u003e \u003cp\u003e\u003cb\u003e18 Signaling]Based Optimization 780\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e18.1 S1] AP Signaling 780\u003c\/p\u003e \u003cp\u003e18.1.1 NAS signaling 782\u003c\/p\u003e \u003cp\u003e18.1.2 Inactivity Supervision 783\u003c\/p\u003e \u003cp\u003e18.1.3 UE signaling Management 785\u003c\/p\u003e \u003cp\u003e18.2 Signaling radio bearers 786\u003c\/p\u003e \u003cp\u003e18.3 Signaling Storm 788\u003c\/p\u003e \u003cp\u003e18.4 Signaling Troubleshooting Method 788\u003c\/p\u003e \u003cp\u003e18.4.1 Attach Failure 788\u003c\/p\u003e \u003cp\u003e18.4.2 Service Request Failure 796\u003c\/p\u003e \u003cp\u003e18.4.3 S1\/X2]Based Handover 796\u003c\/p\u003e \u003cp\u003e18.4.4 eSRVCC Failure 798\u003c\/p\u003e \u003cp\u003e18.4.5 CSFB Failure 800\u003c\/p\u003e \u003cp\u003eAppendix 802\u003c\/p\u003e \u003cp\u003eGlossary of Acronyms 820\u003c\/p\u003e \u003cp\u003eReferences 823\u003c\/p\u003e \u003cp\u003eIndex 825\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e","brand":"John Wiley \u0026 Sons Inc","offers":[{"title":"Default Title","offer_id":49406998839639,"sku":"9781119158974","price":108.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1739\/5799\/files\/9781119158974.jpg?v=1730497838","url":"https:\/\/bookcurl.com\/products\/lte-optimization-engineering-handbook-9781119158974","provider":"Book Curl","version":"1.0","type":"link"}