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on 22 December 2002
People have to be somewhat careful with this book because although it is considered a classic all over the world, it is important to understand why before buying the book. The main reasons for the popularity of this book is that it has an enormous scope and it is very thorough although not always...........well logically if a book tries to cover a very wide scope it can't cover absolutely everything in great detail.
It is not a book students should use for the first time to learn general concepts but rather an invaluable reference for the rest of your life. Many people including myself see it as the bible but there are people who see it as a curse upon planet earth and for those people I suggest you use Haykin or Sklar, although they don't have the same level of thoroughness.
All in all this is a very good reference book, which should be on the shelf of any researcher working in digital communications engineering
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on 16 May 2001
I found this book to be a very complete reference for complex Comms theory, it was particularly good on modulation and encoding schemes. I have heard it referred to as "The Bible" by some working in the field and I can understand that point of view. However, I would fault the book in its analytic treatment of some topics, it is sometimes far too detailed and obscure and other times merely pulls formulas out of the air with no comment or explanation, it's quite inconsistent. At times I found that I had to go to a different source to get enough background to be able to make sense of what I was reading. If you already have a good knowledge of communications, this is a good book, it covers everything, just don't expect to be able to learn something from scratch from it.
A good contrast is Simon Haykin's Communications Systems, which is not as in-depth, but far better explained and more accessible.
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on 21 December 2002
I am a research student (PhD) working in the field of mobile radio communications and I know that this book is a classic not because it is full of mathematics but because it serves as a great reference. I just cannot believe that people keep complaining about this book and saying it is full of maths. What do you expect it is Proakis.
If people are trying to use this book to understand general concepts for the first time then good luck I doubt you get very far......... better stick with Haykin, Sklar, Roden or even Lathi. Haykin is probably the compromise between overly simple Roden and more challenging Proakis.
Proakis' book was not made for people to start learning things from scratch, instead it is a classic reference book and I think people should only criticise it if they know what they are talking about. I mean the reviewer before me was saying something about Prof. Proakis not understanding the concepts or something like that and I find that rather amusing since the guy is one of the greatest pioneers in the field.
I was educated in UK and so I find American books a little mathematical since the mathematics level for undergrads in this country is not to the level of undergrads in the US (or we are led to believe), but I always make a point to understand the maths because concepts without maths don't mean much since they don't get to the nitty-gritty of the ideas.
Again I stress this book is a reference book and should only be touched by experienced hands. It is not sugarcoated text for people who like nice readable textbooks. Maybe In the next addition that should be written in the back of the book but perhaps it won't sell as many copies.
Anyway before you buy this book and complain think about what you are using it for. It you are trying to learn things for the first time then go buy Haykin if however you are at a higher level, buy this book because it is a comprehensive and solid reference book (the Bible).
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on 16 June 1999
I was told by one of my friends that this book has been reviewed in this site and obtained five-star comments.
Having used this book as a text book for a full term, I really enjoyed nothing from the book, except for, maybe, its complete coverage on various topics and the depth it touches on (,which is the reason I still give it a three-star evaluation).
The author seemingly knows nothing about the essence of the concepts he tries to develope in his book ( although this in fact should not be true given the fact that he is such a famous person in the area, his writing makes him to look so). He extensively uses complicated mathematics to develope the ideas, without any instructive interpretation of those formulas. Mathematical derivation is certainly necessary in such kind of books, but a conceptual insight into the formulas is indeed more important than the math itself. If it were Ronald Bracewell who wrote the book, it would contain 10 times more insights into the concepts and 10 times less mathematics to confuse readers.
Usually for a book written in such a style, one would think it should be mathematically rigorous (as a trade-off of being boring). However , in this book even the rigorousness is not fulfilled. There are loosey-goosey derivations everwhere. Furhtermore, erroneous illustrations can be found throughout the book (some are even as the title of a section). This wouldn't be a surprise to people who are familiar with his writing style: in one of his other book on DSP, things are even worse.
To make my comments more concrete, I will just mention a few such examples. When he derives the power spectral density for a digitally modulated signal, there are quite a lot confusion he made in terms of the linkage of the psd of a digital signal and that of an analog signal, and even the autocorrelation function was oddly formed without any explanation. When he expains the Nyquist criterion for zero ISI, the Fourier theroy was poorly developed, I would assume Bracewell will just use a few figures, without any math, to do a much better job. In discussing the channel capacity, a erroneous statement is made on the title of a section, saying "achieving the channel capacity with orthorgonal signals", where he messes up the concepts between channel capacity and the Shannon limit (Eb/N0) for an arbitary small transmission error.
So in general, I do not give too much credit to the author, and strongly object using this book as a text book. Nevertheless, you can use it as a reference (since it is rather compelete) to get some rough understanding on various topics, but, keep in mind, do not trust it too much.
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on 26 February 2001
This book offers a solid background and tutorials to advanced signal processing.The digital filter design procedure is greatly illustrated and explained
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on 23 August 1998
The best reference book for a digital communication enginner or academician.
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on 11 March 1999
i want to buy this book
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