Chapter 1 Introduction1Preface1Learning Goals11.1 Architecture of 5G Mobile Communication Network21.1.1 Wireless Access Network21.1.2 Bearer Network31.1.3 Core Network41.2 Evolution of Mobile Communication Networks61.2.1 The First-Generation Mobile Communication System61.2.2 The Second Generation Mobile Communication System71.2.3 The Third Generation Mobile Communication System71.2.4 The Fourth Generation Mobile Communication System71.2.5 The Fifth Generation Mobile Communication System8Summary10Questions for Thinking10Chapter 2 5G Wireless Network Architecture11Preface11Learning Goals112.1 Traditional Wireless Network Architecture112.1.1 Distributed Radio Access Network (DRAN)122.1.2 Centralized Radio Access Network (CRAN)132.2 CloudRAN Architecture152.2.1 Wireless Access Network Reconstruction152.2.2 CloudRAN Architecture162.2.3 CloudRAN Deployment182.2.4 The Value of CloudRAN212.3 Networking Architecture of SA and NSA222.3.1 Basic SA Architecture222.3.2 NSA Networking Architecture22Summary24Questions for Thinking24Chapter 3 Physical Layer of 5G Air Interface25Preface25Learning Goals253.1 5G Wireless Air Interface Protocol253.1.1 Radio Resource Control (RRC) Layer263.1.2 PDCP Layer273.1.3 SDAP Layer303.1.4 RLC Layer313.1.5 MAC Layer333.1.6 PHY Layer333.2 Basic Parameters and Frame Structure of 5G Air Interface333.2.1 Multiple Numerologies333.2.2 Frame Structure343.2.3 Time Slot Format353.2.4 Frequency Domain Resources383.2.5 BWP383.3 5G Channel Structure393.3.1 Logical Channel393.3.2 Transmission Channel403.3.3 PHYsical (PHY) Channel413.3.4 Channel Mapping413.4 5G Downlink Physical Channels and Signals423.4.1 SSB423.4.2 Physical Downlink Control Channel433.4.3 Physical Downlink Shared Channel443.4.4 PT-RS473.4.5 CSI-RS473.5 5G Uplink Physical Channels and Signals483.5.1 Physical Random Access CHannel (PRACH)483.5.2 Physical Uplink Shared CHannel (PUSCH)493.5.3 Physical Uplink Control CHannel (PUCCH)503.5.4 Detecting Reference Signal50Summary51Questions for Thinking51Chapter 4 MIMO Functions and Principles52Preface52Learning Goals524.1 Basic MIMO Functions524.2 MIMO Principles544.2.1 Downlink Beam Forming544.2.2 Uplink Receiving Diversity—Multi-Antenna Receiving584.3 SU-MIMO Principle594.3.1 Downlink User Multi-Stream Transmission594.3.2 Uplink User Multi-Stream Transmission604.4 MU MIMO Principle614.4.1 Downlink MU Space Division Multiplexing614.4.2 MU MIMO-PUSCH Space Division Multiplexing Uplink62Summary63Questions for Thinking63Chapter 5 5G Power Control and Uplink and Downlink64Preface64Learning Goals645.1 5G Power Control Principle645.1.1 Definition645.1.2 Purpose655.1.3 Advantages655.1.4 Categories655.2 5G Downlink Power Distribution665.2.1 Power Control Categories665.2.2 Cell Reference Power Calculation675.3 5G Uplink Power Control685.3.1 PRACH Power Control695.3.2 PUCCH Power Control705.3.3 PUSCH Power Control725.3.4 SRS Power Control725.3.5 Closed-Loop Power Control Step735.4 5G Uplink and Downlink Decoupling Technology735.4.1 Technical Overview735.4.2 SUL Carrier Parameters765.4.3 SUL Carrier Management Process765.4.4 Wireless Resource Management Algorithm785.4.5 Avoiding Second Harmonic Interference815.4.6 SUL Frequency Acquisition Scheme82Summary83Questions for Thinking83Chapter 6 5G Mobility Management84Preface84Learning Goals846.1 5G Mobility Management Architecture846.1.1 Mobility Management in the NSA Scenario846.1.2 Mobility Management in the SA Scenario856.2 Mobility Management in the NSA Networking Scenario856.2.1 PSCell Change Procedure866.2.2 Measurement Control Deliver and Report886.2.3 Change Judgment886.2.4 Change Preparation896.2.5 Change Execution896.3 Connection State Mobility Management in the SA Networking Scenario896.3.1 Mobility Basic Procedure906.3.2 Judgment of Switching Function Start916.3.3 Selecting a Processing Mode916.3.4 Measurement Control Delivery916.3.5 Report of Measurement936.3.6 Target Cell Judgment946.3.7 Execute Switching946.4 Idle State Mobility Management in the SA Networking Scenario956.4.1 Cell Search and PLMN Selection956.4.2 Cell Selection966.4.3 Cell Re-Selection976.5 Interoperation Between the 5G and the LTE system986.5.1 Idle State Mobility Management996.5.2 Data Service Mobility Management100Summary101Questions for Thinking101Chapter 7 5G Signaling Process102Preface102Learning Goals1027.1 Basics of 5G Signaling Process1027.1.1 Basic Architecture of 5G Network1027.1.2 NR User Identifier1047.2 NR Access Process1047.2.1 Synchronization Process1047.2.2 NSA Networking Access Process1057.2.3 SA Networking Access Process1077.3 NSA Mobility Management Process1107.4 SA Mobility Management Process1127.4.1 Intra-Station Switching Process1127.4.2 SgNB Change Process1137.4.3 Switching Process Between Xn Stations1147.4.4 NG Inter-Station Switching Process1147.5 RRC Status Switching Process115Summary116Questions for Thinking116Chapter 8 5G Base Station Survey117Preface117Learning Goals1178.1 Base Station Survey Process1178.2 Survey Preparations1188.2.1 Tools and Instruments1188.2.2 Preparing Survey-Related Documents1198.2.3 Hold Survey Coordination Meetings1198.3 Site Detailed Survey1208.3.1 Site Environment Survey1208.3.2 Antenna Area Survey1238.3.3 Survey Records1258.4 Survey Report Output125Summary127Questions for Thinking127Chapter 9 Wireless Propagation Model128Preface128Learning Goals1289.1 Radio Wave Propagation Model1289.1.1 Free Space Propagation1289.1.2 Okumura-Hata Model1299.1.3 COST231-Hata Model1309.1.4 Keenan-Motley Model1309.1.5 Uma Model1319.1.6 Umi Model1319.1.7 Rma Model1319.1.8 InH Model1329.1.9 Universal Propagation Model1329.2 Anti-Fading Techniques1339.2.1 Space Diversity1349.2.2 Polarization Diversity1349.2.3 Time Diversity1349.2.4 Frequency Diversity135Summary135Questions for Thinking135Chapter 10 5G Wireless Network Coverage Estimation136Preface136Learning Goals13610.1 5G Wireless Network Coverage Estimation Process13610.2 Budget for Downlink13610.2.1 Downlink Equivalent Isotropically Radiated Power13710.2.2 Maximum Transmission Power of the Base Station13810.2.3 Antenna Gain13810.2.4 Interference Margin13810.2.5 Shadow Fading Margin13810.2.6 Losses13810.2.7 Receiver Sensitivity14010.3 Uplink Budget14110.4 Calculation of Cell Coverage Radius14210.5 Calculation of the Number of Base Stations14310.5.1 Coverage Area of a Single Base Station14310.5.2 Calculation of the Number of Base Stations14310.6 Wireless Cell Parameter Design14410.6.1 Massive MIMO Scene-Based Beam Design.14410.6.2 Time Slot Ratio Design14410.6.3 PCI Design14510.7 Network Simulation Prediction145Su