目录 PARTⅠ Chapter 1 Introduction 1.1 Historical Review of Communication 1.2 Message,Information,and Signal 1.3 Digital Communication 1.3.1 Basic Concept 1.3.2 Advantages of Digital Communication 1.3.3 Digital Communication System Model 1.3.4 Specifications of Digital Communication System 1.4 Channel 1.4.1 Wireless Channel 1.4.2 Wired Channel 1.4.3 Channel Models 1.4.4 Influence of Channel Characteristics on Signal Transmission 1.5 Noise in Channel 1.6 Brief Summary Questions Exercises Chapter 2 Signals 2.1 Classification of Signals 2.2 Characteristics of Deterministic Signals 2.2.1 Characteristics in Frequency Domain 2.2.2 Characteristis in Time Domain 2.3 Characteristics of Random Signals 2.3.1 Probability Distribution of Random Variable 2.3.2 Probability Density of Random Variable 2.4 Examples of Frequently Used Random Variables 2.5 Numerical Characteristics of Random Variable 2.5.1 Mathematical Expectation 2.5.2 Variance 2.5.3 Moment 2.6 Random Process 2.6.1 Basic Concept of Random Process 2.6.2 Stationary Random Process 2.6.3 Ergodicity 2.6.4 Autocorrelation Function and Power Spectral Density of Stationary Random Process 2.7 Gaussian Process 2.8 Narrow Band Random Process 2.8.1 Basic Concept of Narrow Band Random Process 2.8.2 Characteristics of Narrow Band Random Process 2.9 Sinusoidal Wave plus Narrow Band Gaussian Process 2.1 0Signal Transfer through Linear Systems 2.1 0.1 Basic Concept of Linear Systems 2.1 0.2 Deterministic Signal Transfer through Linear Systems 2.1 0.3 Random Signal Transfer through Linear Systems 2.1 1Brief Summary Questions Exercises Chapter 3 Analog Modulation System 3.1 Introduction 3.2 Linear Modulation 3.2.1 Amplitude Modulation (AM) 3.2.2 Double.sideband Modulation (DSB) 3.2.3 Single.Sideband Modulation (SSB) 3.2.4 Vestigial Sideband Modulation (VSB) 3.3 Nonlinear Modulation 3.3.1 Basic Principles 3.3.2 Frequency Spectrum and Bandwidth of Modulated Signal 3.3.3 Reception of Angular Modulated Signal 3.4 Brief Summary Questions Exercises Chapter 4 Digitization of Analog Signal 4.1 Introduction 4.2 Sampling of Analog Signal 4.2.1 Sampling of Low.Pass Analog Signal 4.2.2 Sampling of Band.Pass Analog Signal 4.2.3 Analog Pulse Modulation 4.3 Quantization of Sampled Signal 4.3.1 Principles of Quantization 4.3.2 Uniform Quantization 4.3.3 Nonuniform Quantization 4.4 Pulse Code Modulation 4.4.1 Basic Principles of Pulse Code Modulation 4.4.2 Natural Binary Code and Fold Binary Code 4.4.3 Quantization Noise in PCM System 4.5 Differential Pulse Code Modulation 4.5.1 Principles of Differential Pulse Code Modulation 4.5.2 Quantization Noise and Signal to Quantization Noise Ratio in DPCM System 4.6 Delta Modulation 4.6.1 Principles of Delta Modulation 4.6.2 Quantization Noise in Delta Modulation System 4.7 Brief Summary Questions Exercises Chapter 5 Representation and Transmission of Baseband Digital Signal 5.1 Introduction 5.2 Coding Method of Character 5.3 Waveform of Baseband Digital Signal 5.4 Symbol Code Types of Baseband Digital Signals for Transmission 5.5 Frequency Characteristic of Baseband Digital Signal 5.5.1 Calculation of Power Spectral Density of vc(t) 5.5.2 Calculation of Power Spectral Density of uc(t) 5.5.3 Calculation of Power Spectral Density of s(t) 5.5.4 Examples of Power Spectral Density Calculation 5.6 Transmission and Intersymbol Interference of Baseband Digital Signal 5.6.1 Model of Baseband Digital Signal Transmission System 5.6.2 Intersymbol Interference and Nyquist Criterion 5.6.3 Partial Response System 5.7 Eye Pattern 5.8 Time.domain Equalizer 5.8.1 Introduction 5.8.2 Fundamental Principle of Transversal Filter 5.8.3 Realization of Transversal Filter 5.9 Brief Summary Questions Exercises Chapter 6 Elementary Digital Modulation System 6.1 Introduction 6.2 Binary Amplitude Shift Keying (2ASK) 6.2.1 Basic Principle 6.2.2 Power Spectral Density 6.2.3 Symbol Error Probability 6.3 Binary Frequency Shift Keying (2FSK) 6.3.1 Basic Principle 6.3.2 Power Spectral Density 6.3.3 Minimum Frequency Space 6.3.4 Symbol Error Probability 6.4 Binary Phase Shift Keying (2PSK) 6.4.1 Basic Principle 6.4.2 Power Spectral Density 6.4.3 Symbol Error Probability 6.5 Binary Differential Phase Shift Keying (2DPSK) 6.5.1 Basic Principle 6.5.2 Power Spectral Density 6.5.3 Symbol Error Probability 6.6 Performance Comparison of Binary Digital Keying Transmission System 6.7 M.ary Digital Keying 6.7.1 M.ary Amplitude Keying (M.ASK) 6.7.2 M.ary Frequency Shift Keying (M.FSK) 6.7.3 M.ary Phase Shift Keying (M.PSK) 6.7.4 M.ary Differential Phase Shift Keying (M.DPSK) 6.7.5 Amplitude/Phase Combination Keying (APK) 6.7.6 Examples of M.ary Digital Keying Practical Systems 6.8 Brief Summary Questions Exercises Chapter 7 Synchronization 7.1 Introduction 7.2 Carrier Synchronization Method 7.2.1 Pilot Insertion Method 7.2.2 Direct Extraction Method 7.2.3 Performance of Carrier Synchronization 7.3 Bit Synchronization 7.3.1 External Synchronization 7.3.2 Self Synchronization 7.3.3 Influence of Bit Synchronization Error on Symbol Error Probability 7.4 Group Synchronization 7.4.1 Introduction 7.4.2 Concentrated Insertion Method 7.4.3 Dispersed Insertion Method 7.4.4 Performance of Group Synchronization 7.5 Network Synchronization 7.5.1 Introduction 7.5.2 Open.loop Method 7.5.3 Closed.Loop Method 7.6 Brief Summary Questions Exercises PARTⅡ Chapter 8 Optimum Receiving of Digital Signal 8.1 Statistical Characteristics of Digital Signal 8.2 Optimum Receiving Criterion of Digital Signal 8.3 Optimum Receiver for Deterministic Digital Signal 8.4 Symbol Error Probability of Optimum Receiver for Deterministic Digital Signal 8.5 Optimum Receiving of Random Phase Digital Signal 8.6 Optimum Receiving of Fluctuation Digital Signal 8.7 Performance Comparison of Practical Receiver and Optimum Receiver 8.8 Matched Filtering Receiving Principle of Digital Signal 8.8.1 Matched Filtering Receiving of Digital Signal 8.8.2 Correlation Receiving of Digital Signal 8.9 Optimum Baseband Transmission System 8.1 0Brief Summary Questions Exercises Chapter 9 Multiplexing and Multiple Access 9.1 Introduction 9.2 Frequency Division Multiplexing (FDM) 9.3 Time Division Multiplexing (TDM) 9.3.1 Plesiochronous Digital Hierarchy (PDH) 9.3.2 Multiple Connection and Symbol Rate Justification 9.3.3 Synchronous Digital Hierarchy (SDH) 9.4 Code Division Multiplexing (CDM) 9.4.1 Basic Principles 9.4.2 Orthogonal Code 9.4.3 Pseudo.random Code 9.5 Multiple Access 9.5.1 Frequency Division Multiple Access (FDMA) 9.5.2 Time Division Multiple Access 9.5.3 Multiple Access Techniques for Local Area Networks 9.6 Brief Summary Questions Exercises Chapter 10 Channel Coding and Error Control 10.1 Introduction 10.2 Basic Principles of Error Control Coding 10.3 Performance of Error Correction System 10.4 Parity.Check Codes 10.5 Linear Block Codes 10.6 Cyclic Codes 10.6.1 Concept of Cyclic Codes 10.6.2 Operation of Cyclic Codes 10.6.3 Coding of Cyclic Codes 10.6.4 Decoding of Cyclic Codes 10.6.5 Truncated Cyclic Codes 10.6.6 BCH Codes 10.6.7 RS Codes 10.7 Convolution Codes 10.7.1 Coding of Convolution Codes 10.7.2 Decoding of Convolution Codes 10.8 Turbo Codes and LDPC Codes 10.9 Brief Summary Questions Exercises Chapter 11 Advanced Digital Bandpass Modulation and Demodulation 11.1 Introduction 11.2 Offset QPSK and π/4 QDPSK 11.2.1 Offset QPSK 11.2.2 π/4 QDPSK 11.3 Minimum Shift Keying and Gaussian Minimum Shift Keying 11.3.1 Basic Principles of MSK Signals 11.3.2 Phase Continuity of MSK Signals 11.3.3 Orthogonal Expression of MSK Signals 11.3.4 Generation and Demodulation of MSK Signals 11.3.5 Power Spectrum of MSK Signals 11.3.6 Symbol Error Probability of MSK Signals 11.3.7 Gaussian MSK 11.4 Orthogonal Frequency Division Multiplexing 11.4.1 Introduction 11.4.2 Basic Principles of OFDM 11.4.3 Implementation of OFDM 11.5 Trellis Coded Modulation 11.5.1 Basic Concept of Trellis Coded Modulation 11.5.2 Generation of TCM Signals 11.5.3 Demodulation of TCM Signal 11.6 Spread Spectrum Modulation[62,63] 11.6.1 Introduction 11.6.2 Direct.Sequence Spread Spectum 11.6.3 Frequency.Hopping SS 11.6.4 Synchronization of SS Code
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