- Series: Irwin Electronics & Computer Enginering
- Hardcover: 1150 pages
- Publisher: McGraw-Hill Education; 5th edition (November 6, 2007)
- Language: English
- ISBN-10: 0072957166
- ISBN-13: 978-0072957167
- Product Dimensions: 8.1 x 1.9 x 9 inches
- Shipping Weight: 4.1 pounds (View shipping rates and policies)
- Average Customer Review: 4.0 out of 5 stars See all reviews (16 customer reviews)
- Amazon Best Sellers Rank: #488,374 in Books (See Top 100 in Books)
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Digital Communications, 5th Edition (Irwin Electronics & Computer Enginering) 5th Edition
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Top Customer Reviews
This books requires more work and effort on the part of the student to learn Digital Communications than it should. Almost all equations are presented as equals. That is, it is rare that important equations are noted as being important. The text makes frequent referrals to previous equations and figures several pages or even chapters back, often 2 or 3 different back references from a single page. I found myself having to spend the time rewriting an equation or figure in the margin. It would be good if the authors did this for us. Better content management tools may make this possible.
The book covers more information than can be covered in a semester, probably more information than can be deeply covered in two graduate semesters. Some labeled equations are presented, and then modified in the subsequent prose, without a follow up labeled equation. And in some cases, the modifications are much more important than the initial equation. This is what I mean by the student must work…he or she must work to rewrite the book.
The chapters on information theory (Ch. 6, 7, and 8) are poorly done. I knew more about information theory from other books prior to taking the course that used this textbook, and this textbook ended up confusing me—that is, I am going to forget what I "learned" in digital communications and refer back to my other information theory references. This is the opposite effect an educator should strive for. It focuses more on the analysis of codes (block or convolutional, for example) and all but ignores the design or implementation of said codes.
Lastly, there are a lot of errata. See the publisher's website for the latest errata. Note that there are 6 pages of errata for the 5th edition of the book. I applaud the author for keeping the errata up to date. If there is a 6th edition of this book, I hope that they are able to figure out a way to get graduate students to flesh the errata out before publication.
I have recommended to the professor that he keep using this book. For all its faults, it can be used to learn digital communications. However, I recommend a different text for information theory. I'd also recommend Contemporary Communication Systems Using MATLAB
I have corresponded with one of the authors, and he is a friendly person.
Price gouging on part of publisher: You can save more than 90% by outsourcing my book supplier to a third world country. The content is the same, but the binding is paper back and the paper is lower quality. For the U.S., the publisher is using the fat wallets of U.S. students to defray the cost developing world students pay for the same material overseas. That's all fine and dandy, but if they wanted charity (the publishers) they could have asked for a donation.
It can serve as a reference source.
Students and practitioners alike will gain a powerful insight by studying its content..
Most Recent Customer Reviews
Knowledge tree is not growing like this. Stupid.Read more