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本书主要围绕5G无线网络规划与优化展开介绍和讲解，全文共15章，包括绪论；5G无线网络架构；5G空中接口物理层；MIMO原理；5G功率控制与上下行；5G移动性管理；5G信令流程；5G基站勘测；无线传播模型；5G无线网络覆盖估算；5G测试及单站点验证；5G RF优化，5G无线网络常用KPI；5G网络优化问题分析；人工智能在5G网络的规划。每章都安排了多个难度适中的任务，且知识点都在对应的案例中得到解释说明，可以很好地加强学生对知识点的掌握。

Chapter 1  Introduction	1
Preface	1
Learning Goals	1
1.1  Architecture of 5G Mobile Communication Network	2
1.1.1  Wireless Access Network	2
1.1.2  Bearer Network	3
1.1.3  Core Network	4
1.2  Evolution of Mobile Communication Networks	6
1.2.1  The First-Generation Mobile Communication System	6
1.2.2  The Second Generation Mobile Communication System	7
1.2.3  The Third Generation Mobile Communication System	7
1.2.4  The Fourth Generation Mobile Communication System	7
1.2.5  The Fifth Generation Mobile Communication System	8
Summary	10
Questions for Thinking	10
Chapter 2  5G Wireless Network Architecture	11
Preface	11
Learning Goals	11
2.1  Traditional Wireless Network Architecture	11
2.1.1  Distributed Radio Access Network (DRAN)	12
2.1.2  Centralized Radio Access Network (CRAN)	13
2.2  CloudRAN Architecture	15
2.2.1  Wireless Access Network Reconstruction	15
2.2.2  CloudRAN Architecture	16
2.2.3  CloudRAN Deployment	18
2.2.4  The Value of CloudRAN	21
2.3  Networking Architecture of SA and NSA	22
2.3.1  Basic SA Architecture	22
2.3.2  NSA Networking Architecture	22
Summary	24
Questions for Thinking	24
Chapter 3  Physical Layer of 5G Air Interface	25
Preface	25
Learning Goals	25
3.1  5G Wireless Air Interface Protocol	25
3.1.1  Radio Resource Control (RRC) Layer	26
3.1.2  PDCP Layer	27
3.1.3  SDAP Layer	30
3.1.4  RLC Layer	31
3.1.5  MAC Layer	33
3.1.6  PHY Layer	33
3.2  Basic Parameters and Frame Structure of 5G Air Interface	33
3.2.1  Multiple Numerologies	33
3.2.2  Frame Structure	34
3.2.3  Time Slot Format	35
3.2.4  Frequency Domain Resources	38
3.2.5  BWP	38
3.3  5G Channel Structure	39
3.3.1  Logical Channel	39
3.3.2  Transmission Channel	40
3.3.3  PHYsical (PHY) Channel	41
3.3.4  Channel Mapping	41
3.4  5G Downlink Physical Channels and Signals	42
3.4.1  SSB	42
3.4.2  Physical Downlink Control Channel	43
3.4.3  Physical Downlink Shared Channel	44
3.4.4  PT-RS	47
3.4.5  CSI-RS	47
3.5  5G Uplink Physical Channels and Signals	48
3.5.1  Physical Random Access CHannel (PRACH)	48
3.5.2  Physical Uplink Shared CHannel (PUSCH)	49
3.5.3  Physical Uplink Control CHannel (PUCCH)	50
3.5.4  Detecting Reference Signal	50
Summary	51
Questions for Thinking	51

Chapter 4  MIMO Functions and Principles	52
Preface	52
Learning Goals	52
4.1  Basic MIMO Functions	52
4.2  MIMO Principles	54
4.2.1  Downlink Beam Forming	54
4.2.2  Uplink Receiving Diversity—Multi-Antenna Receiving	58
4.3  SU-MIMO Principle	59
4.3.1  Downlink User Multi-Stream Transmission	59
4.3.2  Uplink User Multi-Stream Transmission	60
4.4  MU MIMO Principle	61
4.4.1  Downlink MU Space Division Multiplexing	61
4.4.2  MU MIMO-PUSCH Space Division Multiplexing Uplink	62
Summary	63
Questions for Thinking	63
Chapter 5  5G Power Control and Uplink and Downlink	64
Preface	64
Learning Goals	64
5.1  5G Power Control Principle	64
5.1.1  Definition	64
5.1.2  Purpose	65
5.1.3  Advantages	65
5.1.4  Categories	65
5.2  5G Downlink Power Distribution	66
5.2.1  Power Control Categories	66
5.2.2  Cell Reference Power Calculation	67
5.3  5G Uplink Power Control	68
5.3.1  PRACH Power Control	69
5.3.2  PUCCH Power Control	70
5.3.3  PUSCH Power Control	72
5.3.4  SRS Power Control	72
5.3.5  Closed-Loop Power Control Step	73
5.4  5G Uplink and Downlink Decoupling Technology	73
5.4.1  Technical Overview	73
5.4.2  SUL Carrier Parameters	76
5.4.3  SUL Carrier Management Process	76
5.4.4  Wireless Resource Management Algorithm	78
5.4.5  Avoiding Second Harmonic Interference	81
5.4.6  SUL Frequency Acquisition Scheme	82
Summary	83
Questions for Thinking	83
Chapter 6  5G Mobility Management	84
Preface	84
Learning Goals	84
6.1  5G Mobility Management Architecture	84
6.1.1  Mobility Management in the NSA Scenario	84
6.1.2  Mobility Management in the SA Scenario	85
6.2  Mobility Management in the NSA Networking Scenario	85
6.2.1  PSCell Change Procedure	86
6.2.2  Measurement Control Deliver and Report	88
6.2.3  Change Judgment	88
6.2.4  Change Preparation	89
6.2.5  Change Execution	89
6.3  Connection State Mobility Management in the SA Networking Scenario	89
6.3.1  Mobility Basic Procedure	90
6.3.2  Judgment of Switching Function Start	91
6.3.3  Selecting a Processing Mode	91
6.3.4  Measurement Control Delivery	91
6.3.5  Report of Measurement	93
6.3.6  Target Cell Judgment	94
6.3.7  Execute Switching	94
6.4  Idle State Mobility Management in the SA Networking Scenario	95
6.4.1  Cell Search and PLMN Selection	95
6.4.2  Cell Selection	96
6.4.3  Cell Re-Selection	97
6.5  Interoperation Between the 5G and the LTE system	98
6.5.1  Idle State Mobility Management	99
6.5.2  Data Service Mobility Management	100
Summary	101
Questions for Thinking	101
Chapter 7  5G Signaling Process	102
Preface	102
Learning Goals	102
7.1  Basics of 5G Signaling Process	102
7.1.1  Basic Architecture of 5G Network	102
7.1.2  NR User Identifier	104
7.2  NR Access Process	104
7.2.1  Synchronization Process	104
7.2.2  NSA Networking Access Process	105
7.2.3  SA Networking Access Process	107
7.3  NSA Mobility Management Process	110
7.4  SA Mobility Management Process	112
7.4.1  Intra-Station Switching Process	112
7.4.2  SgNB Change Process	113
7.4.3  Switching Process Between Xn Stations	114
7.4.4  NG Inter-Station Switching Process	114
7.5  RRC Status Switching Process	115
Summary	116
Questions for Thinking	116
Chapter 8  5G Base Station Survey	117
Preface	117
Learning Goals	117
8.1  Base Station Survey Process	117
8.2  Survey Preparations	118
8.2.1  Tools and Instruments	118
8.2.2  Preparing Survey-Related Documents	119
8.2.3  Hold Survey Coordination Meetings	119
8.3  Site Detailed Survey	120
8.3.1  Site Environment Survey	120
8.3.2  Antenna Area Survey	123
8.3.3  Survey Records	125
8.4  Survey Report Output	125
Summary	127
Questions for Thinking	127
Chapter 9  Wireless Propagation Model	128
Preface	128
Learning Goals	128
9.1  Radio Wave Propagation Model	128
9.1.1  Free Space Propagation	128
9.1.2  Okumura-Hata Model	129
9.1.3  COST231-Hata Model	130
9.1.4  Keenan-Motley Model	130
9.1.5  Uma Model	131
9.1.6  Umi Model	131
9.1.7  Rma Model	131
9.1.8  InH Model	132
9.1.9  Universal Propagation Model	132
9.2  Anti-Fading Techniques	133
9.2.1  Space Diversity	134
9.2.2  Polarization Diversity	134
9.2.3  Time Diversity	134
9.2.4  Frequency Diversity	135
Summary	135
Questions for Thinking	135
Chapter 10  5G Wireless Network Coverage Estimation	136
Preface	136
Learning Goals	136
10.1  5G Wireless Network Coverage Estimation Process	136
10.2  Budget for Downlink	136
10.2.1  Downlink Equivalent Isotropically Radiated Power	137
10.2.2  Maximum Transmission Power of the Base Station	138
10.2.3  Antenna Gain	138
10.2.4  Interference Margin	138
10.2.5  Shadow Fading Margin	138
10.2.6  Losses	138
10.2.7  Receiver Sensitivity	140
10.3  Uplink Budget	141
10.4  Calculation of Cell Coverage Radius	142
10.5  Calculation of the Number of Base Stations	143
10.5.1  Coverage Area of a Single Base Station	143
10.5.2  Calculation of the Number of Base Stations	143
10.6  Wireless Cell Parameter Design	144
10.6.1  Massive MIMO Scene-Based Beam Design.	144
10.6.2  Time Slot Ratio Design	144
10.6.3  PCI Design	145
10.7  Network Simulation Prediction	145
Summary	146
Questions for Thinking	147
Chapter 11  5G Testing and Single-Site Verification	148
Preface	148
Learning Goals	148
11.1  Overview of Single-Site Verification	148
11.1.1  Single-Site Verification Purpose	149
11.1.2  Single-Site Verification Process	149
11.2  Single-site Verification Preparation	149
11.2.1  Hardware and General Tools Preparation	149
11.2.2  Test Tools Preparation and Connection	150
11.2.3  CPE Connection Configuration	151
11.2.4  GPS Connection Configuration	155
11.2.5  Test Route Planning	158
11.2.6  Site Parameters and Status Checking	159
11.2.7  Other Preparations	160
11.3  Single-Site Verification Test	160
11.3.1  5G Access Functions Verification	160
11.3.2  DT Coverage Verification	162
11.3.3  5G Ping Service Verification	163
11.3.4  5G Data Service Function Verification Criteria	164
11.4  Single-Site Verification Report	167
Summary	168
Questions for Thinking	168
Chapter 12  5G RF Optimization	169
Preface	169
Learning Goals	169
12.1  Overview of RF Optimization	169
12.1.1  5G Air Interface Common Problems	169
12.1.2  RF Optimization Life Cycle	170
12.2  RF Optimization Principle	171
12.2.1  Optimization Objectives of 5G Network	171
12.2.2  RF Optimization Differences Under Different 5G Networking 
Architectures	173
12.2.3  Data Analysis and Optimization	173
12.3  RF Optimization Process	181
12.3.1  Optimization Objective Determination	181
12.3.2  Cluster Division/Optimization Region Determination	182
12.3.3  Determining the Test Route	183
12.3.4  Preparing Test Tools and Documents	184
12.3.5  Data Collection	185
12.3.6  Verification of Engineering Parameters	186
12.3.7  Overall Principle of RF Optimization	186
12.4  Scenario-based Beam Optimization Based on Massive MIMO	187
12.4.1  5G SSB Beam Optimization	187
12.4.2  Downtilt Angle Adjustment Based on Massive MIMO	189
Summary	189
Questions for Thinking	190
Chapter 13  Common KPI of 5G Wireless Network	191
Preface	191
Learning Goals	191
13.1  5G Access KPIs	191
13.1.1  RRC Establishment Success Rate	191
13.1.2  Success Rate of NG Interface Signaling Connection Establishment	192
13.2  5G Mobility KPI	193
13.2.1  Intra-Frequency Switch-out Success Rate	193
13.2.2  Success Rate of Intra-System Switch-in	194
13.3  KPI of 5G Service Integrity	197
13.4  NSA DC Access and Mobility KPIs	198
13.4.1  Secondary Station Adding Success Rate	198
13.4.2  Success Rate of Secondary Station Cell Switching	199
Summary	200
Questions for Thinking	200
Chapter 14  Analysis of 5G Network Optimization Problems	201
Preface	201
Learning Goals	201
14.1  5G Network Optimization Overview	201
14.1.1  Wireless Performance Problem Categories	202
14.1.2  Network Optimization Data Source	202
14.1.3  Network Optimization Objectives	202
14.2  Analysis of 5G Network Access Problems	203
14.2.1  5G Access Process	203
14.2.2  Analysis of NSA Access Problems	203
14.2.3  NSA Access Case Analysis	207
14.3  Analysis of 5G Network Switching Problems	208
14.3.1  5G Switching Process	209
14.3.2  5G Cell Switching Parameters	210
14.3.3  5G cell Switching Indicators	212
14.3.4  Analysis of 5G Cell Switching Problems	213
14.3.5  Case Analysis	215
14.4  Analysis of 5G Network Speed	216
14.4.1  5G End-to-end Data Transmission Architecture and Overall Processing 
Ideas	216
14.4.2  Analysis of 5G Low-speed Air Interface Problems	217
14.4.3  Troubleshooting Other Problems	218
Summary	219
Questions for Thinking	219
Chapter 15  AI in 5G Network Planning	221
Preface	221
Learning Goals	221
15.1  Concept of Artificial Intelligence	221
15.2  Application of Artificial Intelligence	223
15.2.1  Prediction of 5G Antenna Azimuth Angle	223
15.2.2  5G Intelligent Slicing Operation and Maintenance	226
Summary	228
Questions for Thinking	229

The full coverage of 5G networks in the country marks of the coming of high-speed mobile communications era. Compared to 4G networks, 5G networks deliver higher data rates, lower latency, and more capacity as the network expands. In addition, 5G networks are also different from 4G networks in terms of network architecture and key technologies. 4G changes lives, 5G changes society, and 5G will better empower thousands of industries in the future. 5G is a must-have mobile communication technology for practitioners of Mobile Communications Engineering .
This textbook is developed based on the requirements of the Russian Luban Workshop. During the development process, the course standard of “5G Network Planning and Optimization” of Tianjin Electronic Information College, Huawei 5G certification system(HCIA-5G and HCIP-5G), and Huawei 5G mobile communication network deployment and operation and maintenance “1+X” certificate system are compared and analyzed, and the knowledge system of “5G Network Planning and Optimization” is reconstructed, the knowledge and skill points of each chapter are summarized, and the specific contents of the bilingual textbook resources are planned.
This textbook is closely integrated with practical applications and introduces the theoretical knowledge required in the process of 5G network construction, maintenance and management, as well as the professional skills required in practical operation, with the main line of each aspect of network engineering construction and maintenance. The book is divided into 15 projects, including introduction, 5G wireless network architecture, physical layer of 5G air interface, MIMO functions and principles, 5G power control and uplink and downlink, 5G mobility management, 5G signaling process, 5G base station survey, and wireless propagation model etc.
Pang XueLian is the chief editor of the textbook; Liu Cheng, Zhang Liang, Zhang Wen as the associate editors; Yuan Guimin, Li Su, Liu Miao, Zhao Junying, Qian Guoliang, Xiao Xiao as the participants. Due to the limited knowledge level and experience of editors, there are inevitably omissions and shortcomings in the book, and we sincerely hope the readers can criticize and correct them.

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5G网络规划与优化（英文版）