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| Preface | |
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| Introduction | |
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| Historical Review | |
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| Elements of an Electrical Communication System | |
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| Digital Communication System | |
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| Early Work in Digital Communications | |
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| Communication Channels and Their Characteristics | |
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| Mathematical Models for Communication Channels | |
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| Summary and Further Reading | |
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| Signals And Linear Systems | |
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| Basic Concepts | |
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| Basic Operations on Signals | |
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| Classification of Signals | |
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| Some Important Signals and Their Properties | |
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| Classification of Systems | |
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| Analysis of LTI Systems in the Time Domain | |
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| Fourier Series | |
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| Fourier Series and Its Properties | |
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| Response of LTI Systems to Periodic Signals | |
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| Parseval's Relation | |
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| Fourier Transform | |
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| From Fourier Series to Fourier Transforms | |
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| Basic Properties of the Fourier Transform | |
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| Fourier Transform for Periodic Signals | |
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| Transmission over LTI Systems | |
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| Filter Design | |
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| Power and Energy | |
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| Energy-Type Signals | |
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| Power-Type Signals | |
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| Hilbert Transform and Its Properties | |
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| Lowpass and Bandpass Signals | |
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| Summary and Further Reading | |
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| Problems | |
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| Amplitude Modulation | |
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| Introduction to Modulation | |
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| Amplitude Modulation | |
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| Double-Sideband Suppressed-Carrier AM | |
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| Conventional Amplitude Modulation | |
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| Single-Sideband AM | |
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| Vestigial-Sideband AM | |
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| Implementation of Amplitude Modulators and Demodulators | |
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| Signal Multiplexing | |
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| Frequency-Division Multiplexing | |
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| Quadrature-Carrier Multiplexing | |
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| AM Radio Broadcasting | |
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| Summary and Further Reading | |
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| Derivation of the Expression for SSB-AM Signals | |
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| Problems | |
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| Angle Modulation | |
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| Representation of FM and PM Signals | |
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| Spectral Characteristics of Angle-Modulated Signals | |
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| Angle Modulation by a Sinusoidal Signal | |
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| Angle Modulation by an Arbitrary Message Signal | |
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| Implementation of Angle Modulators and Demodulators | |
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| FM Radio Broadcasting | |
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| Summary and Further Reading | |
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| Problems | |
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| Probability And Random Processes | |
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| Review of Probability and Random Variables | |
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| Sample Space, Events, and Probability | |
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| Conditional Probability | |
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| Random Variables | |
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| Functions of a Random Variable | |
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| Multiple Random Variables | |
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| Sums of Random Variables | |
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| Random Processes: Basic Concepts | |
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| Statistical Averages | |
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| Wide-Sense Stationary Processes | |
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| Multiple Random Processes | |
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| Random Processes and Linear Systems | |
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| Power Spectral Density of Stationary Processes | |
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| Power Spectral Density of a Sum Process | |
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| Gaussian and White Processes | |
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| Gaussian Processes | |
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| White Processes | |
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| Filtered Noise Processes | |
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| Summary and Further Reading | |
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| Problems | |
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| Effect Of Noise On Analog Communication Systems | |
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| Effect of Noise on Amplitude Modulation Systems | |
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| Effect of Noise on a Baseband System | |
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| Effect of Noise on DSB-SC AM | |
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| Effect of Noise on SSB AM | |
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| Effect of Noise on Conventional AM | |
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| Effect of Noise on Angle Modulation | |
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| Threshold Effect in Angle Modulation | |
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| Preemphasis and Deemphasis Filtering for FM | |
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| Comparison of Analog-Modulation Systems | |
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| Effects of Transmission Losses and Noise in Analog Communication Systems | |
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| Characterization of Thermal Noise Sources | |
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| Effective Noise Temperature and Noise Figure | |
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| Transmission Losses | |
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| Repeaters for Signal Transmission | |
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| Summary and Further Reading | |
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| Problems | |
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| Analog-To-Digital Conversion | |
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| Sampling of Signals and Signal Reconstruction from Samples | |
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| The Sampling Theorem | |
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| Quantization | |
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| Scalar Quantization | |
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| Vector Quantization | |
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| Encoding | |
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| Waveform Coding | |
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| Pulse Code Modulation | |
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| Differential Pulse Code Modulation | |
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| Delta Modulation | |
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| Analysis--Synthesis Techniques | |
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| Digital Audio Transmission and Digital Audio Recording | |
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| Digital Audio in Telephone Transmission Systems | |
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| Digital Audio Recording | |
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| The JPEG Image-Coding Standard | |
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| Summary and Further Reading | |
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| Problems | |
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| Digital Modulation Methods In An Additive White Gaussian Noise Channel | |
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| Geometric Representation of Signal Waveforms | |
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| Binary Modulation Schemes | |
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| Binary Antipodal Signaling | |
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| Binary Orthogonal Signaling | |
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| Optimum Receiver for Binary Modulated Signals in Additive White Gaussian Noise | |
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| Correlation-Type Demodulator | |
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| Matched-Filter-Type Demodulator | |
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| The Performance of the Optimum Detector for Binary Signals | |
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| M-ary Digital Modulation | |
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| The Optimum Receiver for M-ary Signals in AWGN | |
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| A Union Bound on the Probability of Error | |
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| M-ary Pulse Amplitude Modulation | |
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| Carrier-Modulated PAM for Bandpass Channels (M-ary ASK) | |
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| Demodulation and Detection of Amplitude-Modulated PAM Signals | |
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| Probability of Error for M-ary PAM | |
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| Phase-Shift Keying | |
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| Geometric Representation of PSK Signals | |
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| Demodulation and Detection of PSK Signals | |
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| Probability of Error for Phase-Coherent PSK Modulation | |
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| Differential Phase Encoding and Differential Phase Modulation and Demodulation | |
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| Probability of Error for DPSK | |
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| Quadrature Amplitude-Modulated Digital Signals | |
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| Geometric Representation of QAM Signals | |
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| Demodulation and Detection of QAM Signals | |
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| Probability of Error for QAM | |
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| Carrier-Phase Estimation | |
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| The Phase-Locked Loop | |
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| The Costas Loop | |
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| Carrier-Phase Estimation for PAM | |
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| Carrier-Phase Estimation for PSK | |
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| Carrier-Phase Estimation for QAM | |
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| Symbol Synchronization | |
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| Early--Late Gate Synchronizers | |
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| Minimum Mean Square Error Method | |
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| Maximum-Likelihood Method | |
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| Spectral-Line Method | |
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| Symbol Synchronization for Carrier-Modulated Signals | |
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| Regenerative Repeaters | |
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| Summary and Further Reading | |
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| Problems | |
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| Multidimensional Digital Modulation | |
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| M-ary Orthogonal Signals | |
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| Probability of Error for M-ary Orthogonal Signals | |
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| A Union Bound on the Error Probability of M-ary Orthogonal Signals | |
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| Biorthogonal Signals | |
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| Probability of Error for M-ary Biorthogonal Signals | |
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| Simplex Signals | |
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| Probability of Error for M-ary Simplex Signals | |
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| Binary-Coded Signals | |
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| Probability of Error for Binary-Coded Signals | |
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| Frequency-Shift Keying | |
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| Demodulation of M-ary FSK | |
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| Optimum Detector for Noncoherent Binary FSK | |
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| Probability of Error for Noncoherent Detection of M-ary FSK | |
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| Modulation Systems with Memory | |
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| Continuous-Phase FSK | |
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| Spectral Characteristics of CPFSK Signals | |
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| Comparison of Modulation Methods | |
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| Summary and Further Reading | |
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| Problems | |
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| Digital Transmission Through Bandlimited Awgn Channels | |
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| Characterization of Bandlimited Channels and Signal Distortion | |
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| Intersymbol Interference in Signal Transmission | |
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| Digital Transmission through Bandlimited Bandpass Channels | |
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| The Power Spectrum of Digitally Modulated Signals | |
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| Signal Design for Bandlimited Channels | |
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| Design of Bandlimited Signals for Zero ISI-The Nyquist Criterion | |
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| Design of Bandlimited Signals with Controlled ISI-Partial Response Signals | |
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| Detection of Partial-Response Signals | |
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| Symbol-by-Symbol Detection | |
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| Probability of Error for Symbol-by-Symbol Detection | |
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| Maximum-Likelihood Sequence Detection of Partial-Response Signals | |
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| Error Probability of the Maximum-Likelihood Sequence Detector | |
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| System Design in the Presence of Channel Distortion | |
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| Design of Transmitting and Receiving Filters for a Known Channel | |
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| Channel Equalization | |
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| Summary and Further Reading | |
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| Power Spectrum of Modulated Signals | |
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| The Power Spectrum of the Baseband Signal | |
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| The Power Spectrum of the Carrier Modulated Signals | |
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| Problems | |
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| Multicarrier Modulation And OFDM | |
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| Orthogonal Frequency-Division Multiplexing | |
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| Modulation and Demodulation in an OFDM System | |
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| An OFDM System Implemented via the FFT Algorithm | |
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| Spectral Characteristics of OFDM Signals | |
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| Peak-to-Average Power Ratio in OFDM Systems | |
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| Applications of OFDM | |
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| Digital Subscriber Lines | |
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| Wireless LANs | |
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| Digital Audio Broadcasting | |
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| Summary and Further Reading | |
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| Problems | |
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| An Introduction To Information Theory | |
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| Modeling Information Sources | |
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| Measure of Information | |
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| Joint and Conditional Entropy | |
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| Mutual Information | |
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| Differential Entropy | |
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| The Source Coding Theorem | |
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| Source Coding Algorithms | |
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| The Huffman Source Coding Algorithm | |
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| The Lempel--Ziv Source Coding Algorithm | |
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| Modeling of Communication Channels | |
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| Channel Capacity | |
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| Gaussian Channel Capacity | |
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| Bounds on Communication | |
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| Summary and Further Reading | |
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| Problems | |
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| Coding For Reliable Communications | |
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| The Promise of Coding | |
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| Linear Block Codes | |
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| Decoding and Performance of Linear Block Codes | |
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| Some Important Linear Block Codes | |
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| Error Detection versus Error Correction | |
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| Burst-Error-Correcting Codes | |
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| Convolutional Codes | |
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| Basic Properties of Convolutional Codes | |
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| Maximum Likelihood Decoding of Convolutional Codes-The Viterbi Algorithm | |
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| Other Decoding Algorithms for Convolutional Codes | |
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| Bounds on the Error Probability of Convolutional Codes | |
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| Good Codes Based on Combination of Simple Codes | |
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| Product Codes | |
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| Concatenated Codes | |
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| Turbo Codes and Iterative Decoding | |
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| MAP Decoding of Convolutional Codes-The BCJR Algorithm | |
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| Iterative Decoding for Turbo Codes | |
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| Performance of Turbo Codes | |
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| Low-Density Parity-Check Codes | |
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| Decoding LDPC Codes | |
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| Coding for Bandwidth-Constrained Channels | |
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| Combined Coding and Modulation | |
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| Trellis-Coded Modulation | |
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| Practical Applications of Coding | |
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| Coding for Deep-Space Communications | |
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| Coding for Telephone-Line Modems | |
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| Summay and Further Reading | |
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| Problems | |
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| Data Transmission In Fading Multipath Channels | |
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| Characterization of Physical Wireless Channels | |
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| Channel Models for Time-Variant Multipath Channels | |
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| Frequency Nonselective Fading Channel | |
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| Frequency Selective Fading Channel | |
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| Models for the Doppler Power Spectrum | |
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| Propagation Models for Mobile Radio Channels | |
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| Performance of BinaryModulation in Rayleigh Fading Channels | |
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| Probability of Error in Frequency Nonselective Channels | |
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| Performance Improvement through Signal Diversity | |
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| The RAKE Demodulator and Its Performance in Frequency Selective Channels | |
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| OFDM Signals in Frequency Selective Channels | |
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| Multiple Antenna Systems | |
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| Channel Models for Multiple Antenna Systems | |
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| Signal Transmission in a Slow Fading Frequency NonselectiveMIMO Channel | |
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| Detection of Data Symbols in a MIMO System | |
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| Error Rate Performance of the Detectors | |
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| Space--Time Codes for MIMO Systems | |
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| Link Budget Analysis for Radio Channels | |
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| Summary and Further Reading | |
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| Problems | |
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| Spread-Spectrum Communication Systems | |
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| Model of a Spread-Spectrum Digital Communication System | |
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| Direct Sequence Spread-Spectrum Systems | |
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| Effect of Despreading on a Narrowband Interference | |
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| Probability of Error at the Detector | |
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| Performance of Coded Spread-Spectrum Signals | |
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| Some Applications of DS Spread-Spectrum Signals | |
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| Low-Detectability Signal Transmission | |
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| Code Division Multiple Access | |
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| Communication over Channels with Multipath | |
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| Wireless LANs | |
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| Generation of PN Sequences | |
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| Frequency-Hopped Spread Spectrum | |
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| Slow Frequency-Hopping Systems and Partial-Band Interference | |
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| Fast Frequency Hopping | |
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| Applications of FH Spread Spectrum | |
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| Synchronization of Spread-Spectrum Systems | |
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| Acquisition Phase | |
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| Tracking | |
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| Digital Cellular Communication Systems | |
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| The GSM System | |
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| CDMA System Based on IS-95 | |
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| Third Generation Cellular Communication Systems and Beyond | |
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| Summary and Further Reading | |
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| Problems | |
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| References | |
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| Index | |