Book description
The BestSelling Introduction to Digital Communications: Thoroughly Revised and Updated for OFDM, MIMO, LTE, and More
With remarkable clarity, Drs. Bernard Sklar and fred harris introduce every digital communication technology at the heart of todays wireless and Internet revolutions, with completely new chapters on synchronization, OFDM, and MIMO.
Building on the fields classic, bestselling introduction, the authors provide a unified structure and context for helping students and professional engineers understand each technology, without sacrificing mathematical precision. They illuminate the big picture and details of modulation, coding, and signal processing, tracing signals and processing steps from information source through sink. Throughout, readers will find numeric examples, stepbystep implementation guidance, and diagrams that place key concepts in clear context.
Understand signals, spectra, modulation, demodulation, detection, communication links, system link budgets, synchronization, fading, and other key concepts
Apply channel coding techniques, including advanced turbo coding and LDPC
Explore multiplexing, multiple access, and spread spectrum concepts and techniques
Learn about source coding: amplitude quantizing, differential PCM, and adaptive prediction
Discover the essentials and applications of synchronization, OFDM, and MIMO technology
More than ever, this is an ideal resource for practicing electrical engineers and students who want a practical, accessible introduction to modern digital communications.
This Third Edition includes online access to additional examples and material on the books website.
Table of contents
 Cover Page
 About This eBook
 Title Page
 Copyright Page
 Dedication Page
 Contents at a Glance
 Contents
 Preface
 Acknowledgments
 About the Authors
 Chapter 1. Signals and Spectra

Chapter 2. Formatting and Baseband Modulation
 2.1 Baseband Systems
 2.2 Formatting Textual Data (Character Coding)
 2.3 Messages, Characters, and Symbols
 2.4 Formatting Analog Information
 2.5 Sources of Corruption
 2.6 Pulse Code Modulation
 2.7 Uniform and Nonuniform Quantization
 2.8 Baseband Transmission
 2.9 Correlative Coding
 2.10 Conclusion
 References
 Problems
 Questions
 Chapter 3. Baseband Demodulation/Detection

Chapter 4. Bandpass Modulation and Demodulation/Detection
 4.1 Why Modulate?
 4.2 Digital Bandpass Modulation Techniques
 4.3 Detection of Signals in Gaussian Noise
 4.4 Coherent Detection
 4.5 Noncoherent Detection
 4.6 Complex Envelope
 4.7 Error Performance for Binary Systems
 4.8 Mary Signaling and Performance
 4.9 Symbol Error Performance for Mary Systems (M>2)
 4.10 Conclusion
 References
 Problems
 Questions

Chapter 5. Communications Link Analysis
 5.1 What the System Link Budget Tells the System Engineer
 5.2 The Channel
 5.3 Received Signal Power and Noise Power
 5.4 Link Budget Analysis
 5.5 Noise Figure, Noise Temperature, and System Temperature
 5.6 Sample Link Analysis
 5.7 Satellite Repeaters
 5.8 System TradeOffs
 5.9 Conclusion
 References
 Problems
 Questions
 Chapter 6. Channel Coding: Part 1: Waveform Codes and Block Codes

Chapter 7. Channel Coding: Part 2: Convolutional Codes and Reed–Solomon Codes
 7.1 Convolutional Encoding
 7.2 Convolutional Encoder Representation
 7.3 Formulation of the Convolutional Decoding Problem
 7.4 Properties of Convolutional Codes
 7.5 Other Convolutional Decoding Algorithms
 7.6 Reed–Solomon Codes
 7.7 Interleaving and Concatenated Codes
 7.8 Coding and Interleaving Applied to the Compact Disc Digital Audio System
 7.9 Conclusion
 References
 Problems
 Questions

Chapter 8. Channel Coding: Part 3: Turbo Codes and LowDensity Parity Check (LDPC) Codes
 8.1 Turbo Codes
 8.2 LowDensity Parity Check (LDPC) Codes
 Appendix 8A: The Sum of LogLikelihood Ratios
 Appendix 8B: Using Bayes’ Theorem to Simplify the Bit Conditional Probability
 Appendix 8C: Probability that a Binary Sequence Contains an Even Number of Ones
 Appendix 8D: Simplified Expression for the Hyperbolic Tangent of the Natural Log of a Ratio of Binary Probabilities
 Appendix 8E: Proof that ϕ(x) = ϕ–1(x)
 Appendix 8F: Bit Probability Initialization
 References
 Problems
 Questions

Chapter 9. Modulation and Coding TradeOffs
 9.1 Goals of the Communication System Designer
 9.2 ErrorProbability Plane
 9.3 Nyquist Minimum Bandwidth
 9.4 Shannon–Hartley Capacity Theorem
 9.5 BandwidthEfficiency Plane
 9.6 Modulation and Coding TradeOffs
 9.7 Defining, Designing, and Evaluating Digital Communication Systems
 9.8 BandwidthEfficient Modulation
 9.9 TrellisCoded Modulation
 9.10 Conclusion
 References
 Problems
 Questions

Chapter 10. Synchronization
 10.1 Receiver Synchronization
 10.2 Synchronous Demodulation
 10.3 Loop Filters, Control Circuits, and Acquisition
 10.4 PhaseLocked Loop Timing Recovery
 10.5 Frequency Recovery Using a FrequencyLocked Loop (FLL)
 10.6 Effects of Phase and Frequency Offsets
 10.7 Conclusion
 References
 Problems
 Questions
 Chapter 11. Multiplexing and Multiple Access
 Chapter 12. SpreadSpectrum Techniques
 Chapter 13. Source Coding

Chapter 14. Fading Channels
 14.1 The Challenge of Communicating over Fading Channels
 14.2 Characterizing MobileRadio Propagation
 14.3 Signal Time Spreading
 14.4 Time Variance of the Channel Caused by Motion
 14.5 Mitigating the Degradation Effects of Fading
 14.6 Summary of the Key Parameters Characterizing Fading Channels
 14.7 Applications: Mitigating the Effects of FrequencySelective Fading
 14.8 Conclusion
 References
 Problems
 Questions

Chapter 15. The ABCs of OFDM (Orthogonal FrequencyDivision Multiplexing)
 15.1 What Is OFDM?
 15.2 Why OFDM?
 15.3 Getting Started with OFDM
 15.4 Our Wish List (Preference for Flat Fading and Slow Fading)
 15.5 Conventional MultiChannel FDM versus MultiChannel OFDM
 15.6 The History of the Cyclic Prefix (CP)
 15.7 OFDM System Block Diagram
 15.8 Zooming in on the IDFT
 15.9 An Example of OFDM Waveform Synthesis
 15.10 Summarizing OFDM Waveform Synthesis
 15.11 Data Constellation Points Distributed over the Subcarrier Indexes
 15.12 Hermitian Symmetry
 15.13 How Many Subcarriers Are Needed?
 15.14 The Importance of the Cyclic Prefix (CP) in OFDM
 15.15 An Early OFDM Application: WiFi Standard 802.11a
 15.16 Cyclic Prefix (CP) and Tone Spacing
 15.17 LongTerm Evolution (LTE) Use of OFDM
 15.18 Drawbacks of OFDM
 15.19 SingleCarrier OFDM (SCOFDM) for Improved PAPR Over Standard OFDM
 15.20 Conclusion
 References
 Problems
 Questions
 Chapter 16. The Magic of MIMO (Multiple Input/Multiple Output)
 Index
 Chapter 17. Encryption and Decryption
 Appendix A. A Review of Fourier Techniques
 Appendix B. Fundamentals of Statistical Decision Theory
 Appendix C. Response of a Correlator to White Noise
 Appendix D. OftenUsed Identities
 Appendix E. SDomain, ZDomain, and Digital Filtering
 Appendix F. OFDM Symbol Formation with an NPoint Inverse Discrete Fourier Transform (IDFT)
 Appendix G. List of Symbols
Product information
 Title: Digital Communications: Fundamentals and Applications, 3rd Edition
 Author(s):
 Release date: December 2020
 Publisher(s): Pearson
 ISBN: 9780134588636
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