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Multirate Signal Processing for Communication Systems [Hardcover]

Fredric J. Harris

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Book Description

14 May 2004 0131465112 978-0131465114 1

This book provides the communications engineer involved in the physical layer of communications systems, the signal processing techniques and design tools needed to develop efficient algorithms for the design of various systems. These sytems inlcude satellite modems, cable modems, wire-line modems, cell-phones, various radios, multi-channel receivers, audio encoders, surveilance receivers, laboratory instruments, and various sonar and radar systems. The emphasis woven through the book material is that of intuitive understanding obtained by the liberal use of figures and examples. The book contains examples of all these types of systems. The book also will contain MATLAB script files that implement the examples as well as design tools for filters similar to the examples.

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From the Back Cover

Multirate Signal Processing for Communication Systems: Current Practice and Next Generation Techniques fredric j harris

Multirate signal processing can reduce costs and improve performance in applications ranging from laboratory instruments to cable modems, wireless systems, and consumer entertainment products. This book offers the first systematic, clear, and intuitive introduction to multirate signal processing for working engineers and system designers.

The author uses extensive examples and figures to illuminate a wide range of multirate techniques, from basic resampling to leading-edge cascade and multiple-stage filter structures. Along the way, he draws on extensive research and consulting experience to introduce processing itricksi shown to maximize performance and efficiency.

Coverage includes:

  • Effective sampling and resampling in time and frequency domains
  • Relationships between IIR Filter specifications and filter length (taps)
  • Window design and equal-ripple (Remez) design techniques
  • Square-Root Nyquist and Half Band Filters, including new design enhancements
  • Polyphase IIR Filters: up-sampling, down-sampling, and cascade up-down sampling
  • Polyphase interpolators and filters that perform arbitrary sample rate change
  • Dyadic Half Band Filters, including quadrature mirror and IIR Filters
  • Polyphase Channelizers, including M-path modulators, demodulator channel banks, simultaneous interpolation, and channel bank formation
  • Comprehensive coverage of recursive all-pass filtersoa topic never before covered in this detail
  • Comparisons with traditional DSP design techniques
  • Extensive applications coverage throughout

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Customer Reviews

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Most Helpful Customer Reviews on (beta) 4.5 out of 5 stars  17 reviews
17 of 19 people found the following review helpful
5.0 out of 5 stars The "Zen" of Advanced Digital Signal Processing! 1 Sep 2004
By Mark J. Foster - Published on
Several years ago, my company hired Fred Harris as a consultant to help create an extremely complex multi-channel digital receiver. As it turned out, we could not have found a better candidate. Fred doesn't just offer state-of-the-art processing techniques - many of which he himself has developed - his pragmatic focus on efficiency and real-world implementation is truly refreshing.

This superb book delivers that same approach and philosophy in a very readable, approachable text. Unlike the vast majority of books in the field, which teach only the mathematics of signal processing, Fred teaches you what it really means, and how to make it work. You'll learn extremely efficient signal processing techniques, but even more importantly, you'll gain a much deeper understanding of digital communications that will change the way you approach systems design. From my perspective, this is quite simply the best book available for practitioners who are creating advanced digital communications systems.

Do you want to become a better engineer? Buy it!
9 of 11 people found the following review helpful
5.0 out of 5 stars The most valuable text ever for Multirate filters and DSP 5 May 2004
By A Customer - Published on
With excellent clarity, multirate filters are described, derived and then implemented. Any DSP filter designer will benefit from this book, advanced or not. Also, a series of proprietary filter structures have been 'donated' to the DSP community in this book, wherein some of the most effecient filter structures I've ever seen are explained and implemented.
10 of 14 people found the following review helpful
2.0 out of 5 stars This book is not a useful reference for a DSP design engineer 20 Aug 2008
By Richard N - Published on
Format:Hardcover|Verified Purchase
I purchased the book "Multirate Signal Processing for Communication Systems" by Fredric J. Harris because it contained an entire chapter devoted to the Cascaded Integrator Comb (CIC) filter. This filter, sometimes referred to as the Hogenauer Filter, can be used to implement efficient multirate decimation and interpolation filters for large sample rate changes.

To date no author of any book or technical paper that I am aware of has ever been able to explain the mathematics of pruning bits in each of the N stages of a CIC decimation filter design. I had high hopes that Harris's book would finally be the one book that would go where no book has gone before.

Unfortunately the book could not be previewed on Amazon so I bought the book on faith alone. I ended up being disappointed. In his treatment of CIC filters that are used for sample rate decimation he presents an obtuse equation with 6 variables that is supposed to explain something about determining the number of bits that can be pruned from each stage of an N stage CIC decimation filter. The problem is, this equation was presented right out of the blue, without any definition of what the 6 variables were. Nothing preceded this equation, or followed this equation, that was relevant to explaining what the equation was or how to interpret it. Somehow the reader is supposed to magically figure out how this equation and all 6 of its undefined variables, is relevant to CIC bit pruning. I held out some hope that this equation had been derived and explained in previous chapters, so I spent several hours searching the book from the beginning to the end for any material that was remotely connected to that equation. I had no success.

I have read many papers and many texts written by many authors that dealt with CIC filters. Without exception all the authors arm waved and side stepped this critical bit pruning topic, but this is the first time I have ever seen anything as crazy as this.
6 of 8 people found the following review helpful
2.0 out of 5 stars Maybe I am the only one who didn't get much out of this book 26 Oct 2007
By Mark Dickmann - Published on
I was hoping to get a good understanding of multirate DSP out of this text, having no knowledge of it previously. However, I was not succesful. The text starts out well with a practical illuminating example of the use of multirate signal processing. However, I was not able to absorb much knowledge in the subsequent chapters and gave up on continuing. There are very few equations in this book, which to me was initially promising as I am tired of DSP math books. The author relies more on graphics and figures to explain his point, but I found that the detail was lacking. Perhaps someone with stronger background in this area would be better served by this text.
4 of 6 people found the following review helpful
5.0 out of 5 stars A DSP classic! 8 July 2007
By Kenneth C. Crandall - Published on
Format:Hardcover|Verified Purchase
Every decade or so a book comes out that distills a lot if scattered knowledge on an important subject into one concise and comprehensible tutorial. This is such a book. It introduces new ideas on better ways to skin the proverbial DSP cat!

This book clearly explains sampling rate switching architectures and how they can greatly reduce processing cycles and simplify digital and analog hardware. I've used a few of these tricks in the past, but what an eye opener to see so many great examples of sneaky DSP.

Fred Harris makes it clear with vivid examples and MatLab illustrations that using multi-rate signal processing moves you into a whole new class of implementations. No longer does one ask, "What sampling rate do I need to satisfy Nyquist? The question is now, "What sampling rate do I need in each section to optimize the design? This book helps the DSP practitioner answer that question. The sampling rate degree of freedom liberates! Use it and prosper!
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