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。
庞雪莲，女，讲师，就职于天津电子信息职业技术学院，曾作为副主编出版《无线数据通信技术基础》一书，其《校企合作构建“全程职业模拟”人才培养方案的研究与实践》于2014年获得省部级教学成果奖一等奖 。
Chapter 1 Introduction1
Preface1
Learning Goals1
1.1 Architecture of 5G Mobile Communication Network2
1.1.1 Wireless Access Network2
1.1.2 Bearer Network3
1.1.3 Core Network4
1.2 Evolution of Mobile Communication Networks6
1.2.1 The First-Generation Mobile Communication System6
1.2.2 The Second Generation Mobile Communication System7
1.2.3 The Third Generation Mobile Communication System7
1.2.4 The Fourth Generation Mobile Communication System7
1.2.5 The Fifth Generation Mobile Communication System8
Summary10
Questions for Thinking10
Chapter 2 5G Wireless Network Architecture11
Preface11
Learning Goals11
2.1 Traditional Wireless Network Architecture11
2.1.1 Distributed Radio Access Network (DRAN)12
2.1.2 Centralized Radio Access Network (CRAN)13
2.2 CloudRAN Architecture15
2.2.1 Wireless Access Network Reconstruction15
2.2.2 CloudRAN Architecture16
2.2.3 CloudRAN Deployment18
2.2.4 The Value of CloudRAN21
2.3 Networking Architecture of SA and NSA22
2.3.1 Basic SA Architecture22
2.3.2 NSA Networking Architecture22
Summary24
Questions for Thinking24
Chapter 3 Physical Layer of 5G Air Interface25
Preface25
Learning Goals25
3.1 5G Wireless Air Interface Protocol25
3.1.1 Radio Resource Control (RRC) Layer26
3.1.2 PDCP Layer27
3.1.3 SDAP Layer30
3.1.4 RLC Layer31
3.1.5 MAC Layer33
3.1.6 PHY Layer33
3.2 Basic Parameters and Frame Structure of 5G Air Interface33
3.2.1 Multiple Numerologies33
3.2.2 Frame Structure34
3.2.3 Time Slot Format35
3.2.4 Frequency Domain Resources38
3.2.5 BWP38
3.3 5G Channel Structure39
3.3.1 Logical Channel39
3.3.2 Transmission Channel40
3.3.3 PHYsical (PHY) Channel41
3.3.4 Channel Mapping41
3.4 5G Downlink Physical Channels and Signals42
3.4.1 SSB42
3.4.2 Physical Downlink Control Channel43
3.4.3 Physical Downlink Shared Channel44
3.4.4 PT-RS47
3.4.5 CSI-RS47
3.5 5G Uplink Physical Channels and Signals48
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 Signal50
Summary51
Questions for Thinking51
Chapter 4 MIMO Functions and Principles52
Preface52
Learning Goals52
4.1 Basic MIMO Functions52
4.2 MIMO Principles54
4.2.1 Downlink Beam Forming54
4.2.2 Uplink Receiving Diversity—Multi-Antenna Receiving58
4.3 SU-MIMO Principle59
4.3.1 Downlink User Multi-Stream Transmission59
4.3.2 Uplink User Multi-Stream Transmission60
4.4 MU MIMO Principle61
4.4.1 Downlink MU Space Division Multiplexing61
4.4.2 MU MIMO-PUSCH Space Division Multiplexing Uplink62
Summary63
Questions for Thinking63
Chapter 5 5G Power Control and Uplink and Downlink64
Preface64
Learning Goals64
5.1 5G Power Control Principle64
5.1.1 Definition64
5.1.2 Purpose65
5.1.3 Advantages65
5.1.4 Categories65
5.2 5G Downlink Power Distribution66
5.2.1 Power Control Categories66
5.2.2 Cell Reference Power Calculation67
5.3 5G Uplink Power Control68
5.3.1 PRACH Power Control69
5.3.2 PUCCH Power Control70
5.3.3 PUSCH Power Control72
5.3.4 SRS Power Control72
5.3.5 Closed-Loop Power Control Step73
5.4 5G Uplink and Downlink Decoupling Technology73
5.4.1 Technical Overview73
5.4.2 SUL Carrier Parameters76
5.4.3 SUL Carrier Management Process76
5.4.4 Wireless Resource Management Algorithm78
5.4.5 Avoiding Second Harmonic Interference81
5.4.6 SUL Frequency Acquisition Scheme82
Summary83
Questions for Thinking83
Chapter 6 5G Mobility Management84
Preface84
Learning Goals84
6.1 5G Mobility Management Architecture84
6.1.1 Mobility Management in the NSA Scenario84
6.1.2 Mobility Management in the SA Scenario85
6.2 Mobility Management in the NSA Networking Scenario85
6.2.1 PSCell Change Procedure86
6.2.2 Measurement Control Deliver and Report88
6.2.3 Change Judgment88
6.2.4 Change Preparation89
6.2.5 Change Execution89
6.3 Connection State Mobility Management in the SA Networking Scenario89
6.3.1 Mobility Basic Procedure90
6.3.2 Judgment of Switching Function Start91
6.3.3 Selecting a Processing Mode91
6.3.4 Measurement Control Delivery91
6.3.5 Report of Measurement93
6.3.6 Target Cell Judgment94
6.3.7 Execute Switching94
6.4 Idle State Mobility Management in the SA Networking Scenario95
6.4.1 Cell Search and PLMN Selection95
6.4.2 Cell Selection96
6.4.3 Cell Re-Selection97
6.5 Interoperation Between the 5G and the LTE system98
6.5.1 Idle State Mobility Management99
6.5.2 Data Service Mobility Management100
Summary101
Questions for Thinking101
Chapter 7 5G Signaling Process102
Preface102
Learning Goals102
7.1 Basics of 5G Signaling Process102
7.1.1 Basic Architecture of 5G Network102
7.1.2 NR User Identifier104
7.2 NR Access Process104
7.2.1 Synchronization Process104
7.2.2 NSA Networking Access Process105
7.2.3 SA Networking Access Process107
7.3 NSA Mobility Management Process110
7.4 SA Mobility Management Process112
7.4.1 Intra-Station Switching Process112
7.4.2 SgNB Change Process113
7.4.3 Switching Process Between Xn Stations114
7.4.4 NG Inter-Station Switching Process114
7.5 RRC Status Switching Process115
Summary116
Questions for Thinking116
Chapter 8 5G Base Station Survey117
Preface117
Learning Goals117
8.1 Base Station Survey Process117
8.2 Survey Preparations118
8.2.1 Tools and Instruments118
8.2.2 Preparing Survey-Related Documents119
8.2.3 Hold Survey Coordination Meetings119
8.3 Site Detailed Survey120
8.3.1 Site Environment Survey120
8.3.2 Antenna Area Survey123
8.3.3 Survey Records125
8.4 Survey Report Output125
Summary127
Questions for Thinking127
Chapter 9 Wireless Propagation Model128
Preface128
Learning Goals128
9.1 Radio Wave Propagation Model128
9.1.1 Free Space Propagation128
9.1.2 Okumura-Hata Model129
9.1.3 COST231-Hata Model130
9.1.4 Keenan-Motley Model130
9.1.5 Uma Model131
9.1.6 Umi Model131
9.1.7 Rma Model131
9.1.8 InH Model132
9.1.9 Universal Propagation Model132
9.2 Anti-Fading Techniques133
9.2.1 Space Diversity134
9.2.2 Polarization Diversity134
9.2.3 Time Diversity134
9.2.4 Frequency Diversity135
Summary135
Questions for Thinking135
Chapter 10 5G Wireless Network Coverage Estimation136
Preface136
Learning Goals136
10.1 5G Wireless Network Coverage Estimation Process136
10.2 Budget for Downlink136
10.2.1 Downlink Equivalent Isotropically Radiated Power137
10.2.2 Maximum Transmission Power of the Base Station138
10.2.3 Antenna Gain138
10.2.4 Interference Margin138
10.2.5 Shadow Fading Margin138
10.2.6 Losses138
10.2.7 Receiver Sensitivity140
10.3 Uplink Budget141
10.4 Calculation of Cell Coverage Radius142
10.5 Calculation of the Number of Base Stations143
10.5.1 Coverage Area of a Single Base Station143
10.5.2 Calculation of the Number of Base Stations143
10.6 Wireless Cell Parameter Design144
10.6.1 Massive MIMO Scene-Based Beam Design.144
10.6.2 Time Slot Ratio Design144
10.6.3 PCI Design145
10.7 Network Simulation Prediction145
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