# Digital and Analog Communication Systems

by: Couch, Leon W.

**ISBN 13:**## 9780130812230

**ISBN 10:**## 0130812234

**Edition:**7th**Format:**Hardcover**Copyright:**01/01/2007**Publisher:**PRENTICE HALL- Newer Edition

Note: Not guaranteed to come with supplemental materials (access cards, study guides, lab manuals, CDs, etc.)

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### Summary

Exceptionally up-to-date, this book provides a broad introduction to basic analog and digital principles and their application to the design and analysis of real- world communication systems. It provides readers with a working knowledge of how to use both classical mathematical and personal computer methods to analyze, design, and simulate modern communication systems. MATLAB is integrated throughout.Study-aid examples and homework problems are included, many of which require solution via a personal computer. MATLAB illustrative examples and plots are included. Balanced coverage of both analog and digital communication systems with an emphasis on the design of digital communication systems. Case studies of modern communication systems are provided. Over 500 problems provided.For electrical engineers.

### Table of Contents

Read morePreface | xvii | ||||

| xxi | ||||

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APPENDIX A MATHEMATICAL TECHNIQUES, IDENTITIES AND TABLES | 639 | (11) | |||

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APPENDIX B PROBABILITY AND RANDOM VARIABLES | 650 | (42) | |||

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APPENDIX C STANDARDS AND TERMINOLOGY FOR COMPUTER COMMUNICATIONS | 692 | (20) | |||

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APPENDIX D USING MATLAB | 712 | (4) | |||

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References | 716 | (13) | |||

Answers to Selected Problems | 729 | (6) | |||

Index | 735 |

### Excerpts

Read morePREFACE Continuing the tradition of the first to fifth editions of this book, this new edition provides the latest up-to-date treatment of digital communication systems. It includes a number of new study-aid examples and homework problems, many of which require solutions via a personal computer. It is written as a textbook for junior or senior engineering students and is also appropriate for an introductory graduate course or as a modern technical reference for practicing electrical engineers. To learn about communication systems, it is essential to first understandhow communication systems work.Based on the principles of communications (power, frequency spectra, and Fourier analysis) that are covered in the first five chapters of this book, this understanding is motivated by the use of extensive examples, study-aid problems, and the inclusion of adopted standards. Especially interesting is the material on wire and wireless communication systems. Also of importance is the effect of noise on these systems, since, without noise (described by probability and random processes), one could communicate to the limits of the universe with negligible transmitted power. In summary, this book covers the essentials needed for the understanding of wire and wireless communication systems and includes adopted standards. These essentials are How communication systems work: Chapters 1 through 5. The effect of noise: Chapters 6 and 7. Wire and Wireless Communication Systems: Chapter 8. This, book is ideal for either a one-semester or a two-semester course. For a one-semester course, the basics of how communication systems work may be taught by using the first five chapters (with selected readings from Chapter 8). For a two-semester course, the whole book is used. This book coverspractical aspectsof communication systems developed from a soundtheoretical basis. THE THEORETICAL BASIS Digital and analog signals Magnitude and phase spectra Fourier analysis Orthogonal function theory Power spectral density Linear systems Nonlinear systems Intersymbol interference Complex envelopes Modulation theory Probability and random processes Matched filters Calculation of SNR Calculation of BER Optimum systems Block and convolutional codes THE PRACTICAL APPLICATIONS PAM, PCM, DPCM, DM, PWM, and PPM baseband signaling OOK, BPSK, QPSK, MPSK, MSK, OFDM, and QAM bandpass digital signaling AM, DSB-SC, SSB, VSB, PM, and FM bandpass analog signaling Time-division multiplexing and the standards used Digital line codes and spectra Circuits used in communication systems Bit, frame, and carrier synchronizers Software radios Frequency-division multiplexing and the standards used Telecommunication systems Telephone systems Digital subscriber lines Satellite communication systems Effective input-noise temperature and noise figure Link budget analysis SNR at the output of analog communication systems BER for digital communication systems Fiber-optic systems Spread-spectrum systems AMPS, GSM, iDEN, TDMA, and CDMA cellular telephone and PCS systems Digital and analog television systems Technical standards for AM, FM, TV, DTV, and CATV Protocols for computer communications Technical standards for computer communications MATLAB M files Mathematical tables Study-aid examples Over 550 homework problems with selected answers Over 60 computer-solution homework problems Extensive references Emphasis on the design of communication systems Many of the equations and homework problems are mark

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