Communication Systems, International Student Version - Michael Moher

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Résumé :
Theorie und Prinzipien der modernsten Kommunikationssysteme unserer Zeit: Dieser Bestseller, jetzt schon in f?nfter Auflage, ist leicht zu lesen und dabei sehr umfassend. Der Autor setzt einen Schwerpunkt auf der statistischen Basis der Kommunikationstheorie und erl?utert Themen wie Pulsmodulation, zuf?llige Prozesse und Fehlerkontrollcodierung. Stark erweitert wurden die Informationen zur digitalen Kommunikation....

Biographie:

Simon Haykin is a University Professor at McMaster University, Hamilton, Ontario, Canada. His research interests include nonlinear dynamics, neural networks and adaptive filters and their applications in radar and communications systems. Dr. Haykin is the editor for a series of books on Adaptive and Learning Systems for Signal Processing, Communications and Control published by John Wiley & Sons, Inc. He is both an IEEE Fellow and Fellow of the Royal Society of Canada....

Sommaire:

Preface vii

Chapter 1 Prologue 1

1.1 The Communication Process 1

1.2 The Layered Approach 2

1.3 Theme Example-Wireless Communications 3

Notes and References 7

Chapter 2 Fourier Theory and Communication Signals 8

2.1 Introduction 8

2.2 The Fourier Transform 8

2.3 Properties of the Fourier Transform 14

2.4 The Inverse Relationship Between Time and Frequency 28

2.5 Dirac Delta Function 32

2.6 Fourier Transforms of Periodic Signals 39

2.7 Transmission of Signals Through Linear Systems 41

2.8 Filters 47

2.9 Low-Pass and Band-Pass Signals 52

2.10 Band-Pass Systems 57

2.11 Phase and Group Delay 60

2.12 Sources of Information 62

2.13 Numerical Computation of the Fourier Transform 64

2.14 Theme Example-Channel Estimation of a Wireless LAN Channel 66

2.15 Summary and Discussion 69

Notes and References 69

Problems 70

Chapter 3 Amplitude Modulation 74

3.1 Introduction 74

3.2 Amplitude Modulation 75

3.3 Double Sideband-Suppressed Carrier Modulation 83

3.4 Quadrature-Carrier Multiplexing 87

3.5 Single-Sideband and Vestigial-Sideband Methods of Modulation 88

3.6 Theme Example-VSB Transmission of Analog and Digital Television 92

3.7 Frequency Translation 93

3.8 Frequency-Division Multiplexing 94

3.9 Summary and Discussion 95

Notes and References 96

Problems 96

Chapter 4 Phase and Frequency Modulation 102

4.1 Introduction 102

4.2 Basic Definitions 102

4.3 Frequency Modulation 109

4.4 Phase-Locked Loop 127

4.5 Nonlinear Effects in FM Systems 133

4.6 The Superheterodyne Receiver 135

4.7 Theme Example-Analog and Digital FM Cellular Telephones 137

4.8 Summary and Discussion 139

Notes and References 140

Problems 140

Chapter 5 Random Variables and Processes 146

5.1 Introduction 146

5.2 Probability 147

5.3 Random Variables 151

5.4 Statistical Averages 156

5.5 Random Processes 161

5.6 Mean, Correlation, and Covariance Functions 162

5.7 Transmission of a Random Process Through a Linear Filter 168

5.8 Power Spectral Density 169

5.9 Gaussian Process 175

5.10 Noise 179

5.11 Narrowband Noise 186

5.12 Theme Example-Stochastic Model of a Mobile Radio Channel 193

5.13 Summary and Discussion 198

Notes and References 200

Problems 201

Chapter 6 Noise in Analog Modulation 207

6.1 Introduction 207

6.2 Receiver Model 207

6.3 Noise in DSB-SC Receivers 210

6.4 Noise in AM Receivers 212

6.5 Noise in FM Receivers 215

6.6 Pre-emphasis and De-emphasis in FM 226

6.7 Theme Example-Link Budget of FM Satellite Link 229

6.8 Summary and Discussion 233

Notes and References 235

Problems 235

Chapter 7 Digital Representation of Analog Signals 238

7.1 Introduction 238

7.2 Why Digitize Analog Sources? 239

7.3 The Sampling Process 240

7.4 Pulse-Amplitude Modulation 244

7.5 Time-Division Multiplexing 247

7.6 Pulse-Position Modulation 248

7.7 Theme Example-PPM in Impulse Radio 255

7.8 The Quantization Process 256

7.9 Pulse-Code Modulation 260

7.10 Delta Modulation 267

7.11 Theme Example-Digitization of Video and MPEG 271

7.12 Summary and Discussion 273

Notes and References 274

Problems 275

Chapter 8 Baseband Transmission Of Digital Signals 279

8.1 Introduction 279

8.2 Baseband Pulses and Matched Filter Dete...