数字通信（第五版·英文精简版）

　　本书是在《数字通信（第五版）》的基础上，根据国内的实际教学情况进行精简和改编的。主要的精简原则为：保留信号传输理论内容，舍去信息传输理论内容，并以传统而经典的数字传输理论为主，无线通信为辅。改编的部分主要是根据国内实际教学的常用习惯来进行的。精简后的内容主要涵盖：确定与随机信号分析；数字调制方法；AWGN信道的最佳接收机；载波和符号同步；通过带限信道的数字通信；自适应均衡；多信道和多载波系统；数字通信用扩频信号；衰落信道：信道特征与信号传输；多天线系统。

Chapter 1 Introduction                                                    
　1.1 Elements of a Digital Communication System                            
　1.2 Communication Channels and Their Characteristics                      
　1.3 Mathematical Models for Communication Channels                        
　1.4 A Historical Perspective in the Development of
　Digital ommunications                                                    
Chapter 2 Deterministic and Random Signal Analysis                       
　2.1 Representation of Bandpass Signals and Systems                       
　2.1–1 Representation of Bandpass Signals/ 2.1–2 Response of a Bandpass System to a Bandpass Signal
　2.2 Signal Space Representation of Waveforms                             
　2.2–1 Vector Space Concepts / 2.2–2 Signal Space Concepts / 2.2–3 Orthogonal Expansions of Signals /2.2–4 Gram-Schmidt Procedure
　2.3 Some Useful Random Variables                                         
　2.4 Random Processes                                                     
　2.4–1 Wide-Sense Stationary Random Processes /2.4–2 Cyclostationary Random Processes
　2.5 Series Expansion of Random Processes                                 
　2.5–1 Sampling Theorem for Band-Limited RandomProcesses /2.5–2 The Karhunen-Lo`eve Expansion
　2.6 Bandpass Stationary Stochastic Processes                             
　Problems                                                                 
Chapter 3 Digital Modulation Schemes                                     
　3.1 Representation of Digitally Modulated Signals                        
　3.2 Memoryless Modulation Methods                                        
　3.2–1 Pulse Amplitude Modulation (PAM) / 3.2–2 Phase Modulation / 3.2–3 Quadrature Amplitude Modulation /3.2–4 Multidimensional Signaling
　3.3 Signaling Schemes with Memory                                        
　3.3–1 Continuous-Phase Frequency-Shift Keying(CPFSK) /
　3.3–2 Continuous-Phase Modulation (CPM)
　3.4 Power Spectrum of Digitally Modulated Signals                        
　3.4–1 Power Spectral Density of a Digitally Modulated Signalwith
　Memory / 3.4–2 Power Spectral Density of LinearlyModulated
　Signals / 3.4–3 Power Spectral Density ofDigitally Modulated
　Signals with Finite Memory / 3.4–4Power Spectral Density of
　Modulation Schemes with a MarkovStructure / 3.4–5 Power
　Spectral Densities of CPFSK and CPM Signals
　Problems                                                                 
Chapter 4 Optimum Receivers for AWGN Channels                            
　4.1 Waveform and Vector Channel Models                                   
　4.1–1 Optimal Detection for a General Vector Channel
　4.2 Waveform and Vector AWGN Channels                                    
　4.2–1 Optimal Detection for the Vector AWGN Channel /4.2–2 Implementation of the Optimal Receiver for AWGN Channels / 4.2–3 A Union Bound on the Probability of Error of Maximum Likelihood Detection
　4.3 Optimal Detection and Error Probability for Band-Limited
　Signaling                                                                
　4.3–1 Optimal Detection and Error Probability for ASK or
　PAM Signaling / 4.3–2 Optimal Detection and Error Probability
　for PSK Signaling / 4.3–3 Optimal Detection and Error Probability
　for QAM Signaling / 4.3–4 Demodulation and Detection
　4.4 Optimal Detection and Error Probability for Power-Limited
　Signaling                                                                
　4.4–1 Optimal Detection and Error Probability for Orthogonal
　Signaling / 4.4–2 Optimal Detection and Error Probability for
　Biorthogonal Signaling / 4.4–3 Optimal Detection and Error
　Probability for Simplex Signaling
　4.5 Optimal Detection in Presence of Uncertainty: Noncoherent
　Detection                                                                
　4.5–1 Noncoherent Detection of Carrier Modulated Signals /4.5–2 Optimal Noncoherent Detection of FSK Modulated Signals / 4.5–3 Error Probability of Orthogonal Signaling with Noncoherent Detection / 4.5–4 Probability of Error for Envelope Detection of Correlated Binary Signals /4.5–5 Differential PSK (DPSK)
　4.6 A Comparison of Digital Signaling Methods                           
　4.6–1 Bandwidth and Dimensionality
　4.7 Lattices and Constellations Based on Lattices                       
　4.7–1 An Introduction to Lattices / 4.7–2 Signal Constellations from Lattices
　4.8 Detection of Signaling Schemes with Memory                          
　4.8–1 The Maximum Likelihood Sequence Detector
　4.9 Optimum Receiver for CPM Signals                                    
　4.9–1 Optimum Demodulation and Detection of CPM /4.9–2 Performance of CPM Signals / 4.9–3 Suboptimum Demodulation and Detection of CPM Signals     
　Problems                                                                
Chapter 5 Carrier and Symbol Synchronization                            
　5.1 Signal Parameter Estimation                                         
　5.1–1 The Likelihood Function / 5.1–2 Carrier Recovery and
　Symbol Synchronization in Signal Demodulation
　5.2 Carrier Phase Estimation                                            
　5.2–1 Maximum-Likelihood Carrier Phase Estimation /5.2–2 The Phase-Locked Loop / 5.2–3 Effect of AdditiveNoise on the Phase Estimate / 5.2–4 Decision-Directed Loops / 5.2–5 Non-Decision-Directed Loops
　5.3 Symbol Timing Estimation                                            
　5.3–1 Maximum-Likelihood Timing Estimation /5.3–2 Non-Decision-Directed Timing Estimation
　5.4 Joint Estimation of Carrier Phase and Symbol Timing                 
　5.5 Performance Characteristics of ML Estimators                        
　Problems                                                                
Chapter 6 Digital Communication Through Band-Limited Channels           
　6.1 Characterization of Band-Limited Channels                           
　6.2 Signal Design for Band-Limited Channels                             
　6.2–1 Design of Band-Limited Signals for No Intersymbol
　Interference—The Nyquist Criterion / 6.2–2 Design of Band-Limited Signals with Controlled ISI—Partial-Response Signals / 6.2–3 Data Detection for Controlled ISI /6.2–4 Signal Design for Channels with Distortion
　6.3 Optimum Receiver for Channels with ISI and AWGN                     
　6.3–1 Optimum Maximum-Likelihood Receiver /6.3–2 A Discrete-Time Model for a Channel with ISI /6.3–3 Maximum-Likelihood Sequence Estimation (MLSE)
　for the Discrete-Time White Noise Filter Model
　6.4 Linear Equalization                                                 
　6.4–1 Peak Distortion Criterion /6.4–2 Mean-Square-Error (MSE) Criterion /
　6.4–3 Performance Characteristics of the MSE Equalizer /6.4–4 Fractionally Spaced Equalizers /6.4–5 Baseband and Passband Linear Equalizers
　6.5 Decision-Feedback Equalization                                      
　6.5–1 Coefficient Optimization /6.5–2 Performance Characteristics of DFE
　6.6 Reduced Complexity ML Detectors                                     
　Problems                                                                
Chapter 7 Adaptive Equalization                                         
　7.1 Adaptive Linear Equalizer                                           
　7.1–1 The Zero-Forcing Algorithm /7.1–2 The LMS Algorithm /7.1–3 Convergence Properties of the LMS Algorithm /7.1–4 Excess MSE due to Noisy Gradient Estimates /7.1–5 Accelerating the Initial Convergence Rate
　in the LMS Algorithm / 7.1–6 Adaptive Fractionally Spaced Equalizer—The Tap Leakage Algorithm /7.1–7 An Adaptive Channel Estimator for ML
　Sequence Detection
　7.2 Adaptive Decision-Feedback Equalizer                                
　7.3 Recursive Least-Squares Algorithms for Adaptive Equalization        
　7.3–1 Recursive Least-Squares (Kalman) Algorithm /7.3–2 Linear Prediction and the Lattice Filter
　Problems                                                                
Chapter 8 Multichannel and Multicarrier Systems                         
　8.1 Multichannel Digital Communications in AWGN Channels                
　8.1–1 Binary Signals / 8.1–2 M-ary Orthogonal Signals
　8.2 Multicarrier Communications                                         
　8.2–1 Single-Carrier Versus Multicarrier Modulation /8.2–2 Capacity of a Nonideal Linear Filter Channel /8.2–3 Orthogonal Frequency Division Multiplexing (OFDM) /8.2–4 Modulation and Demodulation in an OFDM System /
　8.2–5 An FFT Algorithm Implementation of an OFDM System /8.2–6 Spectral Characteristics of Multicarrier Signals /8.2–7 Bit and Power Allocation in Multicarrier Modulation /8.2–8 Peak-to-Average Ratio in Multicarrier Modulation /8.2–9 Channel Coding Considerations in Multicarrier Modulation
　Problems                                                              
Chapter 9 Spread Spectrum Signals for Digital Communications          
　9.1 Model of Spread Spectrum Digital Communication System             
　9.2 Direct Sequence Spread Spectrum Signals                           
　9.2–1 Error Rate Performance of the Decoder /9.2–2 Some Applications of DS Spread Spectrum Signals /9.2–3 Effect of Pulsed Interference on DS Spread Spectrum Systems / 9.2–4 Excision of Narrowband Interference in DS Spread Spectrum Systems / 9.2–5 Generation of PN Sequences
　9.3 Frequency-Hopped Spread Spectrum Signals                          
　9.3–1 Performance of FH Spread Spectrum Signals in an
　AWGN Channel / 9.3–2 Performance of FH Spread Spectrum
　Signals in Partial-Band Interference / 9.3–3 A CDMA System
　Based on FH Spread Spectrum Signals
　9.4 Other Types of Spread Spectrum Signals                           
　Problems             
Chapter 10 Fading Channels : Characterization and
　Signaling             
　10.1 Characterization of Fading Multipath Channels                   
　10.1–1 Channel Correlation Functions and Power Spectra /
　10.1–2 Statistical Models for Fading Channels
　10.2 The Effect of Signal Characteristics on the Choice of a Channel Model              
　10.3 Frequency-Nonselective, Slowly Fading Channel                   
　10.4 Diversity Techniques for Fading Multipath Channels              
　10.4–1 Binary Signals / 10.4–2 Multiphase Signals /10.4–3 M-ary Orthogonal Signals
　10.5 Signaling over a Frequency-Selective, Slowly Fading Channel:
　The RAKE emodulator                                                    
　10.5–1 A Tapped-Delay-Line Channel Model / 10.5–2 The RAKE Demodulator / 10.5–3 Performance of RAKE Demodulator / 10.5–4 Receiver Structures for Channels with Intersymbol Interference
　10.6 Multicarrier Modulation (OFDM)                                       
　10.6–1 Performance Degradation of an OFDM System due to Doppler Spreading / 10.6–2 Suppression of ICI in OFDM Systems
　Problems                                                                 
Chapter 11 Multiple-Antenna Systems                                       
　11.1 Channel Models for Multiple-Antenna Systems                          
　11.1–1 Signal Transmission Through a Slow Fading Frequency-Nonselective MIMO Channel / 11.1–2 Detection of Data Symbols in a MIMO System / 11.1–3 Signal
　Transmission Through a Slow Fading Frequency-Selective MIMO Channel
　11.2 Spread Spectrum Signals and Multicode Transmission                
　11.2–1 Orthogonal Spreading Sequences /11.2–2 Multiplexing Gain Versus Diversity Gain /11.2–3 Multicode MIMO Systems
Problems