Analog and Digital Communications
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Cover Contents 1 Introduction to Electronic Communication Introduction 1.1 Historical Perspective 1.2 Electromagnetic Frequency Spectrum 1.3 Signal and its Representation 1.4 Elements of Electronic Communications System 1.5 Primary Communication Resources 1.6 Signal Transmission Concepts 1.7 Analog and Digital Transmission 1.8 Modulation 1.9 Concept of Frequency Translation 1.10 Signal Radiation and Propagation Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples 2 Signals, Probability and Random Processes Introduction 2.1 Classification of Signals and Systems 2.2 Review of the Fourier Series 2.3 Convolution and Correlation 2.4 Power Signal and Spectral Representation 2.5 Complex Waves 2.6 The Sampling Function 2.7 Parseval’s Theorem 2.8 Geometric Representation of Signals 2.9 Signal Transmission Through Linear System 2.10 Random Variables 2.11 Probability Distributions 2.12 Central Limit Theorem 2.13 Random Processes Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples 3 Noice Introduction 3.1 Classification and Sources of Noise 3.2 Frequency-Domain Representation of Noise 3.3 Representation of Narrowband Noise 3.4 Linear RC Filtering of Noise 3.5 Signal-to-Noise Ratio (SNR) 3.6 Noise Analysis and Measurements 3.7 Equivalent Noise Bandwidth 3.8 Equivalent Noise Temperature 3.9 Noise Figure Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples 4 Amplitude Modulation Techniques Introduction 4.1 Types of Analog Modulation 4.2 Principles of Amplitude Modulation 4.3 AM for a Complex Modulating Signal 4.4 AM Power Distribution 4.5 AM Current Distribution 4.6 Limitations of AM 4.7 DSBSC Modulation Technique 4.8 SSB Modulation Technique 4.9 Vestigial-Sideband (VSB) Modulation Technique 4.10 Comparison of AM, DSBSC, SSB and VSB 4.11 Applications of AM Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems Hands-on Projects: MATLAB Simulation Examples 5 Angle Modulation Techniques Introduction 5.1 Principles of Angle Modulation 5.2 Theory of FM—Basic Concepts 5.3 Spectrum Analysis of FM Wave 5.4 Narrowband and Wideband FM 5.5 Theory of Phase Modulation 5.6 Relationship between FM and PM 5.7 Advantages and Disadvantages of Angle Modulation 5.8 Comparison of AM, FM and PM 5.9 Applications of FM and PM Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems Hands-on Projects: MATLAB Simulation Examples 6 Analog Transmission and Reception Introduction 6.1 AM Radio Transmitters 6.2 AM Radio Receivers 6.3 Noise Performance of AM (DSB-C) System 6.4 DSBSC Modulator and Demodulator 6.5 SSB Generation 6.6 SSB Receivers 6.7 Noise Performance of SSB Systems 6.8 FM Modulators and Transmitters 6.9 FM Receivers and Demodulators 6.10 Noise Performance of Angle-Modulation Systems 6.11 Communications Receivers Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples Hands-on Projects: Hardware Implementations 7 Sampling Theorem and Pulse-Modulation Techniques Introduction 7.1 Digital Versus Analog Transmissions 7.2 Sampling Theorem 7.3 Classification of Pulse-Modulation Techniques 7.4 Pulse Amplitude Modulation (PAM) 7.5 Pulse Width Modulation (PWM) 7.6 Pulse Position Modulation (PPM) 7.7 Pulse-Code Modulation (PCM) 7.8 Quantization of Signals 7.9 Noise Performance of PCM Systems 7.10 Differential PCM (DPCM) 7.11 Adaptive Differential PCM (ADPCM) 7.12 Delta Modulation 7.13 Adaptive Delta Modulation 7.14 Continuous Variable Slope DM (CVSDM) 7.15 Comparison of PCM Techniques 7.16 Vocoders Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples Hands-on Projects: Hardware Implementations 8 Digital Baseband Transmission and Multiplexing Introduction 8.1 Need and Properties of Line Codes 8.2 Line Encoding Techniques 8.3 Power Spectra of Discrete PAM Signals 8.4 Intersymbol Interference and Equalization 8.5 Baseband Pulse Shaping for Data Transmission 8.6 Baseband Signal Receiver Model 8.7 Scrambling and Unscrambling 8.8 Multiplexing in Telecommunications Networks 8.9 Synchronous and Asynchronous TDM 8.10 Single-Channel PCM Transmission System 8.11 T1 Digital Carrier System 8.12 Digital Signal Hierarchy Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples Hands-on Projects 9 Digital Modulation Techniques Introduction 9.1 Types of Digital Modulation 9.2 Amplitude Shift Keying (ASK) 9.3 Frequency Shift Keying (FSK) 9.4 Phase Shift Keying (PSK) 9.5 Quarature Phase Shift Keying (QPSK) 9.6 Carrier Synchronization for Coherent Detection 9.7 Multilevel or M-Ary PSK (MPSK) 9.8 Quadrature Amplitude Modulation (QAM) 9.9 Minimum Shift Keying (MSK) 9.10 Gaussian Minimum Shift Keying (GMSK) 9.11 Performance Analysis of Digital Modulation 9.12 Choice of Digital Modulation Techniques Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples Hands-on Projects: Hardware Implementations 10 Information Theory Introduction 10.1 Information 10.2 Entropy and Its Properties 10.3 Differential Entropy 10.4 Entropy of Extended Discrete Memoryless Source 10.5 Entropy of Binary Memoryless Source 10.6 Entropy of Multilevel Memoryless Source 10.7 Joint and Conditional Entropy 10.8 Mutual Information 10.9 Discrete Memoryless Channels 10.10 Channel Capacity 10.11 Channel Capacity Theorem 10.12 Bandwidth and Channel Capacity Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems MATLAB Simulation Examples 11 Source and Channel Coding Introduction 11.1 Objectives of Source Coding 11.2 Source Coding Technique 11.3 Shannon’s Source Coding Theorem 11.4 Shannon-Fano Source Coding 11.5 Data Compaction 11.6 Huffman Source Coding 11.7 Lempel-Ziv Coding 11.8 Need of Channel Coding 11.9 Channel Coding Theorem 11.11 Rate Distortion Theory 11.12 Compression of Information 11.13 Error Control and Coding 11.14 Linear Block Coding 11.15 Convolutional Coding 11.16 Interleaving 11.17 Trellis Code Modulation (TCM) 11.18 Turbo Coding 11.19 LDPC Codes 11.20 Comparison of Coded and Uncoded Systems Advance-Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Short-Answer Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems 12 Spread Spectrum Communication Introduction 12.1 The Concept of Spread Spectrum 12.2 General Model of SS Communication System 12.3 Direct-Sequence Spread Spectrum Technique 12.4 Frequency Hopping Spread Spectrum Technique 12.5 Time Hopping Spread Spectrum Technique 12.6 Spread Spectrum and CDMA 12.7 CDMA in a Cellular Environment 12.8 Multi-user DS-CDMA System 12.9 Benefits of Spread Spectrum Communication 12.10 Multiple Access Techniques 12.11 Recent Trends in Digital Radio Technology Advance Level Solved Examples Chapter Outcomes Important Equations Key Terms with Definitions Objective Type Questions with Answers Multiple Choice Questions Review Questions Analytical Problems Index
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