Digital Communications, 3rd Edition

Step-by-step coverage

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 synchronisation, OFDM, and MIMO.

Building on the fields classic, best-selling 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, step-by-step implementation guidance, and diagrams that place key concepts in clear context.

• Understand signals, spectra, modulation, demodulation, detection, communication links, system link budgets, synchronisation, 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 quantising, differential PCM, and adaptive prediction
• Discover the essentials and applications of synchronisation, OFDM, and MIMO technology

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Dr. Bernard Sklar has over 40 years of experience in technical design and management positions at Republic Aviation, Hughes Aircraft, Litton Industries, and The Aerospace Corporation, where he helped develop the MILSTAR satellite system. He is now head of advanced systems at Communications Engineering Services, a consulting company he founded in 1984. He has taught engineering courses at several universities, including UCLA and USC, and has trained professional engineers worldwide.

Dr. Fredric J. Harris is a professor of electrical engineering and the CUBIC signal processing chair at San Diego State University and an internationally renowned expert on DSP and communication systems. He is also the co-inventor of the Blackman-Harris filter. He has extensively published many technical papers, the most famous being the seminal 1978 paper 'On the Use of Windows for Harmonic Analysis with the Discrete Fourier Transform.' He is also the author of the textbook Multi-Rate Signal Processing for Communication Systems and the source coding chapter in the previous edition of this book.

This is a revised and updated edition of the field's classic, best-selling introduction. With remarkable clarity, Dr. Bernard Sklar introduces every digital communication technology at the heart of today's wireless and Internet revolutions, providing a unified structure and context for understanding them -- all without sacrificing mathematical precision. Throughout, Sklar helps students understand the big picture and delve into the details of current modulation, coding, and signal processing techniques. He traces signals and key processing steps from the information source through transmitter, channel, receiver, and information sink. Digital Communications, Third Edition begins by introducing the fundamentals of signals, spectra, formatting, and baseband transmission. Next, Sklar presents practical coverage of trellis-coded modulation, Reed-Solomon codes, synchronization, spread spectrum solutions, and much more. Throughout, he offers numeric examples, step-by-step implementation guidance, and block diagrams that place key concepts and techniques in clear context. Coverage includes: Signals and spectra, including signal classification, spectral density, transmission, and bandwidth Formatting, baseband modulation, and baseband demodulation/detection Bandpass modulation and demodulation/detection Communications link analysis and system link budgets Channel coding: waveform, block, convolutional, and Reed-Solomon codes Advanced turbo coding and Low-Density Parity Check (LDPC) techniques Managing modulation and coding tradeoffs Receiver and network synchronization Multiplexing and multiple access Spread spectrum overview and techniques Source coding: amplitude quantizing, differential PCM, adaptive prediction, digital data, and more Fading channels: challenges, characterization, and mitigations The essentials of OFDM and MIMO technology Long Term Evolution (LTE) Wireless, Software Defined Radio, 5G, and other advances

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