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Information and Communication Theory

Hardcover

$125.00

Information and Communication Theory

Stefan Host

ISBN: 978-1-119-43378-1 April 2019 Wiley-IEEE Press 368 Pages

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Description

An important text that offers an in-depth guide to how information theory sets the boundaries for data communication

In an accessible and practical style, Information and Communication Theory explores the topic of information theory and includes concrete tools that are appropriate for real-life communication systems. The text investigates the connection between theoretical and practical applications through a wide-variety of topics including an introduction to the basics of probability theory, information, (lossless) source coding, typical sequences as a central concept, channel coding, continuous random variables, Gaussian channels, discrete input continuous channels, and a brief look at rate distortion theory.

The author explains the fundamental theory together with typical compression algorithms and how they are used in reality. He moves on to review source coding and how much a source can be compressed, and also explains algorithms such as the LZ family with applications to e.g. zip or png.  In addition to exploring the channel coding theorem, the book includes illustrative examples of codes. This comprehensive text:

  • Provides an adaptive version of Huffman coding that estimates source distribution
  • Contains a series of problems that enhance an understanding of information presented in the text
  • Covers a variety of topics including optimal source coding, channel coding, modulation and much more
  • Includes appendices that explore probability distributions and the sampling theorem

Written for graduate and undergraduate students studying information theory, as well as professional engineers, master’s students, Information and Communication Theory offers an introduction to how information theory sets the boundaries for data communication.

Preface ix

Chapter 1 Introduction 1

Chapter 2 Probability Theory 5

2.1 Probabilities 5

2.2 Random Variable 7

2.3 Expectation and Variance 9

2.4 The Law of Large Numbers 17

2.5 Jensen’s Inequality 21

2.6 Random Processes 25

2.7 Markov Process 28

Problems 33

Chapter 3 Information Measures 37

3.1 Information 37

3.2 Entropy 41

3.3 Mutual Information 48

3.4 Entropy of Sequences 58

Problems 63

Chapter 4 Optimal Source Coding 69

4.1 Source Coding 69

4.2 Kraft Inequality 71

4.3 Optimal Codeword Length 80

4.4 Huffman Coding 84

4.5 Arithmetic Coding 95

Problems 101

Chapter 5 Adaptive Source Coding 105

5.1 The Problem with Unknown Source Statistics 105

5.2 Adaptive Huffman Coding 106

5.3 The Lempel–Ziv Algorithms 112

5.4 Applications of Source Coding 125

Problems 129

Chapter 6 Asymptotic Equipartition Property and Channel Capacity 133

6.1 Asymptotic Equipartition Property 133

6.2 Source Coding Theorem 138

6.3 Channel Coding 141

6.4 Channel Coding Theorem 144

6.5 Derivation of Channel Capacity for DMC 155

Problems 164

Chapter 7 Channel Coding 169

7.1 Error-Correcting Block Codes 170

7.2 Convolutional Code 188

7.3 Error-Detecting Codes 203

Problems 210

Chapter 8 Information Measures For Continuous Variables 213

8.1 Differential Entropy and Mutual Information 213

8.2 Gaussian Distribution 224

Problems 232

Chapter 9 Gaussian Channel 237

9.1 Gaussian Channel 237

9.2 Parallel Gaussian Channels 244

9.3 Fundamental Shannon Limit 256

Problems 260

Chapter 10 Discrete Input Gaussian Channel 265

10.1 M-PAM Signaling 265

10.2 A Note on Dimensionality 271

10.3 Shaping Gain 276

10.4 SNR Gap 281

Problems 285

Chapter 11 Information Theory and Distortion 289

11.1 Rate-Distortion Function 289

11.2 Limit For Fix Pb 300

11.3 Quantization 302

11.4 Transform Coding 306

Problems 319

Appendix A Probability Distributions 323

A.1 Discrete Distributions 323

A.2 Continuous Distributions 327

Appendix B Sampling Theorem 337

B.1 The Sampling Theorem 337

Bibliography 343

Index 347