- Paperback: 608 pages
- Publisher: Wiley; 1st edition (January 15, 1968)
- Language: English
- ISBN-10: 0471290483
- ISBN-13: 978-0471290483
- Product Dimensions: 6.1 x 1.4 x 9.4 inches
- Shipping Weight: 2.2 pounds (View shipping rates and policies)
- Average Customer Review: 4.7 out of 5 stars See all reviews (3 customer reviews)
- Amazon Best Sellers Rank: #816,669 in Books (See Top 100 in Books)
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Information Theory and Reliable Communication 1st Edition
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Gallager's book was the standard text in the field for much of the time it has been in print. In recent years, other textbooks, most notably the one by Cover and Thomas, have become more widely used in introductory classes in information theory. There may be several reasons for this. One may be the relative lack of motivating material in Gallager's text. The author assumes the reader is already convinced of the importance of the problems to be treated in the book. Cover's book, on the other hand, has greater appeal to the general scientist/engineer interested in the fascinating connections between information theory and various other areas of human inquiry. A second reason may be the relatively high level of intellectual rigor required of the reader. Gallager is a brilliant theorist, and his precision and meticulousness are apparent in the pages. The casual undergraduate or general reader may find some of the analysis intimidating and abstruse (although if he reads carefully, the reader always finds plenty of physical intuition to support theoretical arguments). A final reason is that some of the material (although certainly not the most important ones) in the book has become dated, and many exciting new developments in information theory, such as multi-user channels, simply never had a chance to make it in.
The above qualifications, however, should in no way obscure the greatness of the book. For anyone who is serious about information theory, this book is INDISPENSABLE.Read more ›
Aside from the intense mathematical rigour devoted by Gallager to this textbook, which blows away Cover and Thomas' "Elements of Information Theory".... the primary difference between the two books is that the focus here is on channel code design, whereas Cover and Thomas focus more on source coding because that is their field of expertise. Even still, Gallagers treatment of the theoretical underpinnings of source coding is alot more rigorous. Cover only glances over the theory... and quite frankly, I think those guys are just terrible writers, but they do get more into the practical implementation as it pertains to more modern applications.
In summary, much like Wozencraft and Jacobs... there is a reason that this book never needed a second edition... because it's so rigorous, that 37 years later..... theres just no need for an update!!! Gallager would be better of just writing another book (which he has)...