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LTE OPTIMIZATION ENGINEERING HANDBOOK


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About the Author xvi Preface xvii Part 1 LTE Basics and Optimization Overview 1 1 LTE Basement 3 1.1 LTE Principle 3 1.1.1 LTE Architecture 6 1.1.2 LTE Network Interfaces 7 1.2 LTE Services 11 1.2.1 Circuit?]Switched Fallback 12 1.2.2 Voice over LTE 13 1.2.3 IMS Centralized Services 16 1.2.4 Over the Top Solutions 16 1.2.5 SMS Alternatives over LTE 17 1.2.6 Converged Communication 19 1.3 LTE Key Technology Overview 19 1.3.1 Orthogonal Frequency Division Multiplexing 20 1.3.2 MIMO 21 1.3.3 Radio Resource Management 22 2 LTE Optimization Principle and Method 24 2.1 LTE Wireless Optimization Overview 24 2.1.1 Why LTE Wireless Optimization 24 2.1.2 Characters of LTE Optimization 24 2.1.3 LTE Joint Optimization with 2G/3G 25 2.1.4 Optimization Target 25 2.2 LTE Optimization Procedure 26 2.2.1 Optimization Procedure Overview 26 2.2.2 Collection of Mass Nerwork Measurement Data 28 2.2.3 Measurement Report Data Analysis 30 2.2.4 Signaling Data Analysis 31 2.2.5 UE Positioning 32 2.2.5.1 Timing Advance 33 2.2.5.2 Location Accuracy Evaluation 35 2.2.5.3 Location Support 36 2.2.5.4 3D Geolocation 37 2.2.6 Key Performance Indicators Optimization 42 2.2.7 Technology Evolution of Optimization 43 2.3 LTE Optimization Key Point 44 2.3.1 RF Optimization 44 2.3.1.1 RSRP/RSSI/SINR/CINR 44 2.3.1.2 External Interference 48 2.3.2 CQI versus RSRP and SINR 51 2.3.2.1 CQI Adjustment 51 2.3.2.2 SINR Versus Load 54 2.3.2.3 SINR Versus MCS 56 2.3.3 Channel Power Configuration 58 2.3.3.1 RE Power 58 2.3.3.2 CRS Power Boosting 64 2.3.3.3 Power Allocation Optimization 66 2.3.4 Link Adaption 67 2.3.5 Adaptive Modulation and Coding 69 2.3.6 Scheduler 70 2.3.6.1 Downlink Scheduler 72 2.3.6.2 Uplink Scheduler 74 2.3.7 Radio Frame 75 2.3.8 System Information and Timers 76 2.3.8.1 System Information 76 2.3.8.2 Timers 81 2.3.9 Random Access 83 2.3.10 Radio Admission Control 85 2.3.11 Paging Control 86 2.3.11.1 Paging 86 2.3.11.2 Paging Capacity 92 2.3.11.3 Paging Message Size 95 2.3.11.4 Smart Paging 95 2.3.11.5 Priority Paging 96 2.3.12 MIMO and Beamforming 97 2.3.12.1 Basic Multi?]Antenna Techniques 100 2.3.12.2 2D?]Beamforming 101 2.3.12.3 2D MIMO and Parameters 104 2.3.12.4 Massive?]MIMO 105 2.3.13 Power Control 107 2.3.13.1 PUSCH/PUCCH Power Control 107 2.3.13.2 PRACH Power Control 109 2.3.14 Antenna Adjustment 111 2.3.14.1 Antenna Position 112 2.3.14.2 Remote Electrical Tilt 113 2.3.14.3 Antenna Azimuths and Tilts Optimization 117 2.3.14.4 VSWR Troubleshooting 118 2.3.15 Main Key Performance Indicators 120 Part 2 Main Principles of LTE Optimization 123 3 Coverage Optimization 125 3.1 Traffic Channel Coverage 125 3.1.1 Parameters of Coverage 126 3.1.2 Weak Coverage 128 3.1.2.1 DL Coverage Hole 128 3.1.2.2 UL Weak Coverage 128 3.1.2.3 UL and DL Imbalance 129 3.1.3 Overlapping Coverage 129 3.1.4 Overshooting 130 3.1.5 Tx1/Tx2 RSRP Imbalance 132 3.1.6 Extended Coverage 132 3.1.7 Cell Border Adjustment 135 3.1.8 Vertical Coverage 137 3.1.9 Parameters Impacting Coverage 138 3.2 Control Channel Coverage 138 4 Capacity Optimization 140 4.1 RS SINR 140 4.2 PDCCH Capacity 141 4.3 PUCCH Capacity 144 4.3.1 Factors Affecting PUCCH Capacity 145 4.3.2 PUCCH Dimensioning Example 151 4.4 Number of Scheduled UEs 152 4.5 Spectral Efficiency 153 4.6 DL Data Rate Optimization 154 4.6.1 Limitation Factor 156 4.6.2 Model of DL Data Throughput 157 4.6.3 UDP/TCP Protocol 158 4.6.4 MIMO 161 4.6.4.1 DL MIMO 161 4.6.4.2 4Tx/4Rx Performance 163 4.6.4.3 Transmission Mode Switch 163 4.6.4.4 UL MU?]MIMO 164 4.6.5 DL PRB Allocation and Utilization Mechanism 165 4.6.6 DL BLER 167 4.6.7 Impact of UE Velocity 169 4.6.8 Single User Throughput Optimization 170 4.6.8.1 Radio Analysis - Assignable Bits 171 4.6.8.2 Radio Analysis - CFI and Scheduling 171 4.6.8.3 Radio Analysis - HARQ 171 4.6.9 Avarage Cell Throughput Optimization 172 4.6.10 Cell Edge Throughput Optimization 17

Detalhes do Produto

    • Ano:  2017
    • País de Produção: Germany
    • Código de Barras:  9781119158974
    • ISBN:  1119158974
    • Encadernação:  CAPA DURA
    • Altura: 259.00 cm
    • Quantidade de Itens do Complemento:  0
    • Nº de Páginas:  848

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