5G物理层

Acknowledgments List of Acronyms CHAPTER 1 Introduction: 5G Radio Access 1.1 Evolution of Mobile Communication 1.2 5G New Radio Access Technology 1.3 5G NR Global View 1.3.1 5G Standardization 1.3.2 Spectrum for 5G 1.3.3 Use Cases for 5G 1.3.4 5G Field Trials 1.3.5 5G Commercial Deployments 1.4 Preview of the Book References CHAPTER 2 NR Physical Layer: Overview 2.1 Radio Protocol Architecture 2.2 NR PHY: Key Technology Components 2.2.1 Modulation 2.2.2 Waveform 2.2.3 Multiple Antennas 2.2.4 Channel Coding 2.3 Physical Time-Frequency Resources 2.4 Physical Channels 2.5 Physical Signals 2.6 Duplexing Scheme 2.7 Frame Structure 2.8 PHY Procedures and Measurements 2.9 Physical Layer Challenges 2.9.1 Propagation Related Challenges 2.9.2 Hardware Related Challenges References CHAPTER 3 Propagation & Channel Modeling 3.1 Propagation Fundamentals 3.1.1 Electromagnetic Waves 3.1.2 Free-Space Propagation 3.1.3 Scattering and Absorption 3.2 Propagation Channel Characterization 3.2.1 Frequency-Delay Domain 3.2.2 Doppler-Time Domain 3.2.3 Directional Domain 3.3 Experimental Channel Characteristics 3.3.1 Measurement Techniques 3.3.2 Analysis Methods 3.3.3 Transmission Loss Measurements 3.3.4 Delay Domain Measurements 3.3.5 Directional Domain Measurements 3.4 Channel Modeling 3.4.1 5G Stochastic Channel Models 3.4.2 Geometry-Based Modeling 3.5 Summary and Future Work References CHAPTER 4 Mathematical Modeling of Hardware Impairments 4.1 RF Power Amplifiers 4.1.1 The Volterra Series 4.1.2 Common Subsets of the Volterra Series 4.1.3 Global vs. Local Basis Functions 4.1.4 Experimental Model Validation 4.1.5 Mutually Orthogonal Basis Functions 4.1.6 Multi-Antenna Environments and Mutual Coupling 4.2 Oscillator Phase Noise 4.2.1 Phase-Noise Power Spectrum and Leeson's Equation 4.2.2 Phase-Noise Modeling: Free-Running Oscillator 4.2.3 Phase-Noise Modeling: Phase-Locked Loop 4.3 Data Converters 4.3.1 Modeling of Quantization Noise 4.4 Statistical Modeling 4.4.1 The Bussgang Theorem and the System Model 4.5 Stochastic Modeling of Power Amplifiers 4.6 Oscillator Phase Noise 4.7 Stochastic Modeling of Data Converters 4.8 Model Concatenation and Simulations 4.8.1 Signal-to-Interference and Noise Ratio 4.8.2 Simulations 4.8.3 Simulation Results References CHAPTER 5 Multicarrier Waveforms 5.1 Multicarrier Waveforms 5.1.1 The Principle of Orthogonality 5.1.2 OFDM-Based Waveforms 5.1.3 Filter Bank-Based Waveforms 5.2 Single Carrier DFTS-OFDM 5.3 Waveform Design Requirements for 5G NR 5.4 Key Performance Indicator for NR Waveform Design 5.5 Waveform Comparison for NR 5.5.1 Frequency Localization 5.5.2 Power Efficiency 5.5.3 Time-Varying Fading Channel 5.5.4 Baseband Complexity 5.5.5 Phase-Noise Robustness Comparison References CHAPTER 6 NR Waveform 6.1 Suitability of OFDM for NR 6.2 Scalable OFDM for NR 6.2.1 Why 15 kHz as Baseline Numerology 6.2.2 Why 15 x2\\" kHz Scaling 6.3 OFDM Numerology Implementation 6.3.1 Phase Noise 6.3.2 Cell Size, Service Latency, and Mobility 6.3.3 Multiplexing Services 6.3.4 Spectral Confinement 6.3.5 Guard Band Considerations 6.3.6 Implementation Aspects 6.4 Improving Power Efficiency of NR Waveform 6.4.1 Techniques With Distortion 6.4.2 Distortion-less Techniques 6.5 Effects of Synchronization Errors 6.5.1 Effect of Timing Offset 6.5.2 Effect of Carrier Frequency Offset 6.5.3 Sampling Frequency Offset 6.6 Impairment Mitigation 6.6.1 A Phase-Noise Mitigation Scheme 6.6.2 CFO and SFO Mitigation