Xincheng Zhang

LTE Optimization Engineering Handbook (eBook, PDF)

• Format: PDF

Produktbeschreibung

A comprehensive resource containing the operating principles and key insights of LTE networks performance optimization LTE Optimization Engineering Handbook is a comprehensive reference that describes the most current technologies and optimization principles for LTE networks. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. In addition, the author clarifies different optimization aspects such as wireless channel optimization, data optimization, CSFB, VoLTE, and video optimization. With the ubiquitous usage and increased development of mobile networks and smart devices, LTE is the 4G network that will be the only mainstream technology in the current mobile communication system and in the near future. Designed for use by researchers, engineers and operators working in the field of mobile communications and written by a noted engineer and experienced researcher, the LTE Optimization Engineering Handbook provides an essential guide that: * Discusses the latest optimization engineering technologies of LTE networks and explores their implementation * Features the latest and most industrially relevant applications, such as VoLTE and HetNets * Includes a wealth of detailed scenarios and optimization real-world case studies Professionals in the field will find the LTE Optimization Engineering Handbook to be their go-to reference that includes a thorough and complete examination of LTE networks, their operating principles, and the most current information to performance optimization.

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Produktdetails

• Verlag: Wiley-Scrivener
• Seitenzahl: 848
• Erscheinungstermin: 14. September 2017
• Englisch
• ISBN-13: 9781119159001
• Artikelnr.: 49271096

Autorenporträt

XINCHENG ZHANG is a Professor and Engineer with more than 20 years' experience in wireless communications and is a technical expert for one of China's largest telecom companies, China Mobile Group Design Institute Co., Ltd.

Inhaltsangabe

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

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