Elements of Information Theory 2nd Edition (Wiley Series in Telecommunications and Signal Processing) | 
 enlarge | Authors: Thomas M. Cover, Joy A. Thomas
Publisher: Wiley-Interscience
Category: Book
List Price: $89.95
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Avg. Customer Rating:  24 reviews
Sales Rank: 108283
Media: Hardcover
Edition: 2
Number Of Items: 1
Pages: 776
Shipping Weight (lbs): 2.7
Dimensions (in): 9.4 x 6.2 x 1.7
ISBN: 0471241954
Dewey Decimal Number: 003.54
EAN: 9780471241959
ASIN: 0471241954
Publication Date: July 18, 2006
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Product Description
The latest edition of this classic is updated with new problem sets and material
The Second Edition of this fundamental textbook maintains the book's tradition of clear, thought-provoking instruction. Readers are provided once again with an instructive mix of mathematics, physics, statistics, and information theory.
All the essential topics in information theory are covered in detail, including entropy, data compression, channel capacity, rate distortion, network information theory, and hypothesis testing. The authors provide readers with a solid understanding of the underlying theory and applications. Problem sets and a telegraphic summary at the end of each chapter further assist readers. The historical notes that follow each chapter recap the main points.
The Second Edition features:
* Chapters reorganized to improve teaching
* 200 new problems
* New material on source coding, portfolio theory, and feedback capacity
* Updated references
Now current and enhanced, the Second Edition of Elements of Information Theory remains the ideal textbook for upper-level undergraduate and graduate courses in electrical engineering, statistics, and telecommunications. An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.
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| Customer Reviews: Read 19 more reviews...
 reference book ok but not for a solid introduction to the topic October 24, 2008
being a graduate taking this topic I found this book failing my expectations of what really an educational book should be (the main book in universities ). It is already mentioned in a review that this book does not give precise definitions. For example proof of theorem 5.5.1, the notation confuses since in the definition of extension of a codeword uses n for the nth codeword whereas 5.49 uses k just to represent any symbol which might be repeated but this conclusion is indirect. Furthermore complying with the spirit of this book nowhere defines what is the kth extension of a code and how it relates to the codeword length it should be done since it follows the definition theorem style of writing. I am not a mathematician but I just feel that this book tries to follow the mathematical way of writing but it fails to do. When reading it I feel that it is lacking in rigor particularly in the proofs.
This is a 700 pages book but it is not enough to cover this subject in a way that when reading it I will feel determined and aware of the theorems. I give 3 stars respecting the great effort made to cover various aspects of this subject in one book and the immense bibliography it contains demonstrating that authors have tried to cover really the topic.
 An Excellent Introduction to Information Theory May 16, 2008
3 out of 3 found this review helpful
I am writing this review in response to some confusion and unfairness I see in other reviews. Cover and Thomas have written a unique and ambitious introduction to a fascinating and complex subject; their book must be judged fairly and not compared to other books that have entirely different goals.
Claude Shannon provided a working definition of "information" in his seminal 1948 paper, A Mathematical Theory of Communication. Shannon's interest in that and subsequent papers was the attainment of reliable communication in noisy channels. The definition of information that Shannon gave was perfectly fitted to this task; indeed, it is easily shown that in the context studied by Shannon, the only meaningful measure of information content that will apply to random variables with known distribution must be (up to a multiplicative constant) of the now-familiar form h(p) = log(1/p).
However, Shannon freely admitted that his definition of information was limited in scope and was never envisioned as being universal. Shannon deliberately avoided the "murkier" aspects of human communication in framing his definitions; problematic themes such as knowledge, semantics, motivations and intentions of the sender and/or receiver, etc., were avoided altogether.
For several decades, Information Theory continued to exist as a subset of the theory of reliable communication. Some classical and highly regarded texts on the subject are Gallager, Ash, Viterbi and Omura, and McEliece. For those whose interest in Information Theory is motivated largely by questions from the field of digital communications, these texts remain unrivalled standards; Gallager, in particular, is so highly regarded by those who learned from it that it is still described as superior to many of its more recent, up-to-date successors.
In recent decades, Information Theory has been applied to problems from across a wide array of academic disciplines. Physicists have been forced to clarify the extent to which information is conserved in order to completely understand black hole dynamics; biologists have found extensive use of Information Theoretic concepts in understanding the human genome; computer scientists have applied Information Theory to complex issues in computational vs. descriptive complexity (the Mandelbrot set, which has been called the most complex set in all of mathematics, is actually extremely simple from the point of view of Kolmogorov complexity); and John von Neumann's brilliant creation, game theory, which has been called "a universal language for the unification of the behavioral sciences," is intimately coupled to Information Theory, perhaps in ways that have not yet been fully appreciated or explored.
Cover and Thomas' book "Elements of Information Theory" is written for the reader who is interested in these eclectic and exciting applications of Information Theory. This book does NOT treat Information Theory as a subset of reliable communication theory; therefore, the book is NOT written as a competitor for Gallager's classic text. Critics who ask
for a more thorough treatment of rate distortion theory or convolutional codes are criticizing the authors for failing to include topics that are not even central to their goals for the text!
A very selective list of some of the more interesting topics that Cover and Thomas study includes: (1) the Asymptotic Equipartition Property and its consequences for data compression; (2) Information Theory and gambling; (3) Kolmogorov complexity and Chaitin's Omega; (4) Information Theory and statistics; and (5) Information Theory and the stock market. Item (4) on this list is only briefly introduced in Cover and Thomas's book, and appropriately so; however, readers who wish to pursue the fascinating subject of Fischer Information further should consider B. Roy Frieden's book Physics from Fisher Information: A Unification. Frieden identifies a principle of "extreme physical information" as a unifying theme across all of physics, deriving such classic equations as the Klein-Gordon equation, Maxwell's equations, and Einstein's field equations for general relativity from this information-theoretic principle.
This last point is quite typical of Cover and Thomas's book. I participated in a faculty seminar on Information Thoery at my university a few years ago, in which we studied Cover and Thomas as our primary source. We were a diverse group, drawn from five different academic disciplines, and we all found that Cover and Thomas repeatedly introduced us to exciting and unexpected applications of Information Theory, always sending us to the journals for further, more in-depth study.
Cover and Thomas' book has become an established favorite in university courses on information theory. In truth, the book has few competitors. Interested readers looking for additional references might also consider David MacKay's book Information Theory, Inference, and Learning Algorithms, which has as a primary goal the use of information theory in the study of Neural Networks and learning algorithms. George Klir's book Uncertainty and Information considers many alternative measures of information/uncertainty, moving far beyond the classical log(1/p) measure of Shannon and the context in which it arose. Jan Kahre's iconoclastic book The Mathematical Theory of Information is an intriguing alternative in which the so-called Law of Diminishing Information is elevated to primary axiomatic status in deriving measures of information content. I alluded to some of the "murkier" issues of human communication earlier; readers who wish to study some of those issues will find Yehoshua Bar-Hillel's book Language and Information a useful source.
In conclusion, I highly recommend Cover and Thomas' book on Information Theory. It is currently unrivalled as a rigorous introduction to applications of Information Theory across the curriculum. As a person who used to work in the general area of signals analysis, I resist all comparisons of Cover and Thomas' book with the classic text of Gallager; the books have vastly different goals and very little overlap.
Very solid introductory book on information theory April 21, 2008
1 out of 1 found this review helpful
I give this book five stars for its outstanding clarity, thoroughness, and choice of topics. The writing is excellent, and most topics are easy to understand, although I have a few isolated quibbles about how certain topics are presented.
I feel like the chapters on continuous channels are much tougher to understand and less intuitive than the chapters on discrete channels.
The exercises are very useful, but in my opinion, a bit too easy. There are lots of exercises at the end of each chapter, but there are very few that require deep thinking or creative insight. Most of the exercises are fairly routine. I think a few more involved ones would be welcome.
The one thing that is most lacking in this book are examples. The bulk of the text is made up in exposition of new ideas and proofs of theorems. While the exercises give lots of examples, I still feel that something is missing--especially in the chapters on continuous channels.
As a supplement, I would recommend "Information Theory, Inference, and Learning Algorithms" by MacKay. The two books are very different from each other and have less overlap than one might expect; I think everyone would do well to study both books. That book is much more suitable for self-study, has more concrete examples, and is in my opinion more fun and interesting (which says a lot, because this book is itself quite fun and interesting). It also has some more involved exercises. Also, it covers coding theory in more depth than this book (something that one might not realize from its name), and it integrates a Bayesian perspective into things more deeply.
Good for Grad Students February 27, 2008
1 out of 2 found this review helpful
It's a good book were I studied more in Entropy, Channel Capacity, Parallel Gaussian Channels, Rate distortion Theory. But the drawback is more solved problems and detailed explanations for the formulas were not there which would have been of great help for the readers in understanding the concept well.
Quickly and in perfect conditions! December 26, 2007
0 out of 2 found this review helpful
I am Spanish and it (Elements of Information Theory 2nd Edition (Wiley Series in Telecommunications and Signal Processing)) was my first purchased from Amazon USA. The book arrived 15 days earlier than it was expected and in perfect conditions! Wonderful!!
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