Rating: 
Summary: Excellent introduction for students and practicioners alike!
Review: The book is used as a course text by the author
in Motorola's university training class. It uses
basic mathematical approaches and then extends the
theory to practical examples. Each of the examples
is a useful primer for the advanced communication
techniques being developed for the 21st century of
satellite global phones using the next revolution
in technology - Low Earth Orbit Inter-satellite
linked constellations.
Very readable text book with many interesting worked examples to assist in rapidly absorbing
the material.
Rating: 
Summary: For beginners
Review: This book is excellent if you are new to the field, no mathematical derivations or justifications in most cases. For a thorough treatment of the subjet I'd recommend Digital Communications by Proakis (Remember to check for the used prices).
Rating: 
Summary: Good but not thorough, yet pricey
Review: This is a good introductory book and only that. However its usefulness to a graduate student or a practitioner is limited because of two factors.1)Many mathematical derivations like error probabilities are stated directly without proof, even in simple cases. 2)Practcal and commercial use of the theory is not covered in detail. Given the above two factors the cost of the book is not at all justified.
Rating:
Summary: Communications made easy by Skar
Review: This is one of the best books in the market for the price. As
a DSP engineer, I find myself making referance to it all the
time. For a Jr. engineer this book should be consider a bible for communications; which is a fast growing field. It covers all the topics which you must learn and understand
to become a good communications engineer. The topics include
Signals and Spectra, Formatting and Baseband transmission,
Bandpass modulation and Demodulation, Communications link
Analysis, Channel Coding, Synchronization, FDMA, TDMA, Spread-
Spectrum Techniques, Source coding, Encryption and Decryption
and Fourier Techniques.
The books covers all the above topics in a easy to read format.
Which means looking at one topic per chapter - staring with baby steps and growing into a wonderful field of communications by the time you are done reading.
I recommend this book to all the 3rd and 4th year electrical
engineering students. It is worth spending the money;if
you want to be learn about communications.
Ishwar Uttamchandani
DSP Engineer
BSEE, MSEE, PE
Rating:
Summary: Digital Communications: Fundamentals & Applications, 2nd Ed.
Review: This is one of the best books on the market for communications. As a university professor I am always looking for that special book that can take the student from the formative learning stage into maturity in the field of communication and signal processing. This book is an excellent text for such a journey. It provides a good mix of theory and practice with many worked examples. Unlike many texts in communications theory that provide their audiences with a lot of theory and abstractions that leave them confused, this book is so well written and the theory so well handled and presented, that its concepts are easily grasped. Then, to supplement this, the book has numerous worked examples showing practical applications. As an educator in the field of communications I have adapted this book for my course because its stated attributes above make my work in educating students that much easier. I recommend this book without reservation to anyone who needs a good reference in the field of communications.
Rating:
Summary: Great Digital Communications "JUMP START"
Review: This particular text is extremely well organized and presents the material in a straight forward format. I recommend it to the technically inclined person who needs to learn the digital comm "big picture" quickly. It covers signals, RF, baseband, modulation, demodulation, link analysis, channel codeing, codeing trade offs, synchronization, multiplexing, spread spectrum, encryption/decryption, and much more. I have used the text to go from a mere unemployable physicist to a hot RF/Digital Communication Systems Engineer.
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