Modern Digital and Analog Communication Systems (+Solutions) | Date: 06 May 2011, 19:24
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This user-friendly and highly readable book presents the basic and intermediate level treatment of modern digital and analog communication systems. The basics of communication systems without using probabilistic concepts are introduced first. With this solid base, the students are ready to master the probabilistic concepts introduced in later chapters. The great strength of the book is in its superb pedagogical style. The book consistenly does an excellent job of explaining difficult concepts clearly, using prose as well as mathematics. Every effort is made to give an intuitive insight-rather than just proofs- as well as heuristic explanations of theoretical results, wherever possible. The clear explanations, the well-chosen examples tp clarify the abstract mathematical results, and excellent illustrations make this text highly informative and easily accessible to an average student. One of the aims in writing this text has been to make learning a pleasant or at least a less intimidating experience for the student by presenting the subject in a clear, understandable, and logically organized manner.
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Lathi's trademark user-friendly and highly readable text presents a complete and modern treatment of communication systems. It begins by introducing students to the basics of communication systems without using probabilistic theory. Only after a solid knowledge base--an understanding of how communication systems work--has been built are concepts requiring probability theory covered. This third edition has been thoroughly updated and revised to include expanded coverage of digital communications. New topics discussed include spread-spectrum systems, cellular communication systems, global positioning systems (GPS), and an entire chapter on emerging digital technologies (such as SONET, ISDN, BISDN, ATM, and video compression). Ideal for the first communication systems course for electrical engineers, Modern Digital and Analog Communication Systems offers students a superb pedagogical style; it consistently does an excellent job of explaining difficult concepts clearly, using prose as well as mathematics. The author makes every effort to give intuitive insights--rather than just proofs--as well as heuristic explanations of theoretical results wherever possible. Featuring lucid explanations, well-chosen examples clarifying abstract mathematical results, and excellent illustrations, this unique text is highly
informative and easily accessible to students.
Reviews
Summary: excellent book on communication theroy
Rating: 5
This is a great book for building the foundations of communication theory. Serves great as an introductory text on analog and digital communications. Concepts are explained very well.
Summary: One of the best Comm Books
Rating: 5
I read this book for 2 of my semesters in my undergrad. In the beginning I didn't like the book much but today all that what I got from this book is helping me back in my Grad studies. One of the finest. Much better than many around.
Summary: Never found anything better explained
Rating: 5
My only concern about this book is that I have discovered it too late, after graduating in electronic engineering! Really, many explanations that Prof. Lathi gives about Shannon, Nyquist, and the exchange of bandwidth for SNR, both intuitive and rigorous, would have helped me very much at that time.
I really recommend this book for several reasons:
1) Clarity
2) examples
3) Historical background for the development of analog and digital communications.
I hope Lathi will write many other books like this one: I've never found any explanation better than his. He makes you love the subject.
Summary: The best book for engineers on communication systems
Rating: 5
The nice thing about this textbook is that it provides the needed background in probability and random processes. The first nine chapters discuss in detail how digital and analog communication systems work. Chapter 1 is an introduction to communications systems, and signal analysis is covered in chapters 2 and 3. Here the student is encouraged to see a signal as a vector and to think of the Fourier spectrum as a way of representing a signal in terms of its vector components. Chapters 4 and 5 discuss amplitude and then angular modulation. In the digital age many might feel that modulation should be deemphasized. However, modulation is a basic tool of signal processing and its understanding is therefore still necessary. Chapter 6 deals with sampling, pulse code modulation, and delta modulation. Chapter 7 discusses the transmission of digital data while chapters 8 and 9 discuss emerging digital technologies in communications as they were considered cutting edge in 1998. Chapters 10 and 11 are the promised chapters on probability and random processes, sufficient to the point of understanding what is covered in this book. Chapters 12 and 13 discuss the behavior of communication systems in the presence of noise. Optimum signal detection is the subject of chapter 14, and information theory is introduced in chapter 15. Error control coding is the subject of the final chapter of the book.
The best features of this book are its visual style with plenty of diagrams and also its numerous worked out numerical examples. The mathematics is as complex as necessary to explain concepts, but the author doesn't lose sight of the forest for the trees in this aspect of the book. Exercises include not only traditional numerical type problems but computer exercises as well. Although there are entire books written on what this book covers in chapters, particularly in the last half of the book when the author is surveying topics rather than laying foundations, this is a good first book to read even on these advanced topics as far as getting the big picture and seeing how these topics tie into the design of communication systems. Highly recommended.
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