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Wiley Survival Guide in Global Telecommunications. Broadband Access, Optical Components and Networks, and Cryptography. Wiley Survival Guides in Engineering and Science

  • ID: 2181298
  • Book
  • October 2004
  • Region: Global
  • 560 Pages
  • John Wiley and Sons Ltd
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A survival guide to global telecommunication technologies

As our world grows ever more complex, no one can expect to be knowledgeable in, let alone master every technology. But as telecommunications technologies permeate nearly every aspect of our lives, gaining a working understanding of their principles and applications has become essential for both professional and personal success. For the undergraduate student preparing for his or her future vocation, as well as the accomplished professional on track for a rapid career move, this book is the "survival guide" to telecommunications a quick introduction to the most important telecom technologies. Written with accuracy and rigor, this guide avoids any unnecessary background or academic style in order to introduce you directly to the core knowledge and understanding.

Wiley Survival Guide in Global Telecommunications: Broadband Access, Optical Components and Networks, and Cryptography provides in–depth discussions of key areas in telecommunications, including:

  • Broadband wireline access (xDSL flavors, VoDSL, FTTx, xPON, HFC, home networking)
  • Optical communications, from planar/fiber waveguides to passive/active photonic components, including fiber gratings, erbium/Raman fiber amplifiers, E/O switches, semiconductor lasers, SOA–based devices, photoreceivers, and optical cross–connects
  • WDM transport and standards, network integration, protection, evolution, and convergence
  • Cryptography, from ancestral algorithms to modern RSA, DES, and AES, and quantum key distribution
  • Communications security over the Internet and current/futuristic applications

Designed to be accessible to a wide range of readers, the book steers you directly into the relevant issues, while elucidating the science and engineering involved without heavy–duty mathematics, allowing you to produce results using your pocket calculator. You can read each chapter in sequence or, if you prefer, jump to topics of interest as you wish. A wealth of easy and practical exercises illustrate the concepts, chapter–end summaries of main keywords and acronyms clarify the technical language, and a selected reference list including Web sites leads you to other helpful sources for further investigation.

Arm yourself with the knowledge you need to survive in the telecom world by reading this book!

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Foreword, ix

Preface, xiii

Acronyms, xix

Introduction: The Network Cloud, 1

CHAPTER 1 Broadband Wireline Access, 11

1.1 From Telephone and Cable–TV Networks to the Internet, 11

1.2 Digital Subscriber Line (DSL), 14

1.2.1 xDSL Flavors, 17

1.2.2 DSL Modulation and Coding Schemes, 22

1.2.3 DSL–signal Physical Impairments, 31

1.2.4 DSL Transfer Modes and Framing, 34

1.2.5 xDSL Services, 50

1.2.6 Voice Over DSL (VoDSL), 51

1.2.7 Incumbent and Competitive Local–Exchange Carriers (ILEC/CLEC), 52

1.3 Fiber in the Loop (FITL), 55

1.3.1 Passive Optical Networks (PON), TDM vs. WDM, 58

1.3.2 ATM and Ethernet Framing (APON/EPON) and Gigabit–PON (GPON), 66

1.3.3 Optical Access, 75

1.3.4 Hybrid Fiber–Coaxial (HFC) Systems, 76

1.4 Home Networking, 82

1.4.1 The Evolution of Intelligent Home Appliances, 82

1.4.2 An Internet Intrusion, 84

1.4.3 Wiring the House Network, 86

1.4.4 House–Network Control, 88

My Vocabulary, 89

CHAPTER 2 Optical Fiber Communications, Components and Networks, 91

2.1 Optical Communications: from Wireless to Wireline, 91

2.1.1 The Early Times of Wireless Optical Communications, 92

2.1.2 The Conceptual Grounds of Wireline Optical Communications, 94

2.2 Basic Physics of Light–Wave Signals, 96

2.2.1 Light s Electromagnetic Nature, 97

2.2.2 The Speed of Light, 98

2.2.3 Light Reflection, Refraction and Polarization, 100

2.2.4 Classical and Quantum Natures of Light, 110

2.2.5 Optical Amplification, 116

2.2.6 Light and Photo–Current Generation in Semiconductors, 121

2.2.7 Lasers and Coherent Light Generation, 123

2.3 Optical Waveguides, 132

2.3.1 Ray Propagation in Index Layers and Waveguiding, 133

2.3.2 Mirror Waveguide, 137

2.3.3 Dielectric Waveguide, 138

2.3.4 Glass Fiber Waveguides, 149

2.3.5 Fiber Loss and Dispersion, 156

2.3.6 Single–Mode Transmission–Fiber Types and Dispersion Compensation, 162

2.3.7 Polarization–Mode Dispersion (PMD), 168

2.3.8 Fiber Nonlinearities, 174

2.4 Passive Optical Components, 194

2.4.1 Connectors, Couplers, Splitters/Combiners, Multiplexers/Demultiplexers, and Polarization–Based Devices, 196

2.4.2 Optical Filters, 217

2.4.3 Compensation and Power Equalization, 228

2.4.4 Optical Fiber Amplifiers, 234

2.5 Active Optical Components, 249

2.5.1 Laser Sources and Transmitters, 249

2.5.2 Photodetectors and Receivers, 262

2.5.3 Photonic Switching and Optical Cross–Connects, 271

2.5.4 All–Optical Signal Regeneration, 285

2.6 WDM Networks, 292

2.6.1 Wavelength Standards and Digital Hierarchy, 293

2.6.2 Point–to–Point WDM Transport, 296

2.6.3 WDM Network Topology and Wavelength Connectivity, 304

2.6.4 Network Protection and Virtual–Topology Design, 317

2.6.5 Network Evolution and Convergence, 329

Exercises, 335

My Vocabulary, 339

CHAPTER 3 Cryptography and Communications Security, 345

3.1 Message Encryption, Decryption and Cryptanalysis, 345

3.1.1 Mono– and Multi–Alphabetic Encryption, 348

3.1.2 Frequency Analysis, 352

3.1.3 Other Classical Ciphers, 363

3.2 Modern Cryptography Algorithms, 382

3.2.1 Encryption With Binary Numbers, 382

3.2.2 Double–Key Encryption, 389

3.2.3 Modular–Algebra Basics, 391

3.2.4 Cryptography Without Key Exchange, 396

3.2.5 Public–Key Cryptography and RSA, 398

3.3 Communications Security and Applications, 407

3.3.1 Data Encryption Standard (DES), 407

3.3.2 Advanced Encryption Standard (AES), 418

3.3.3 Other Encryption Algorithms and Standards, 427

3.3.4 Digital Signature and Authentication, 432

3.3.5 Network and Internet Security, 441

3.3.6 Current and Futuristic Applications of Cryptography, 451

3.4 Quantum Cryptography, 461

3.4.1 Photons, Polarization States and Measurements, 461

3.4.2 Quantum Key Distribution (QKD), 468

My Vocabulary, 475

Solutions to Exercises, 479

Bibliography, 501

Index, 507

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Emmanuel Desurvire
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