Introduction to Telecommunications Network Engineering -- Contents v -- Preface xv -- Acknoledgements xix -- 1. Introduction to Telecommunications 1 -- 1.1 What is Telecommunications? 1 -- 1.2 Significance of Telecommunications 1 -- 1.3 Historical Perspective 3 -- 1.4 Standardization 7 -- 1.5 Standards Organizations 9 -- 1.6 Development of the Telecommunications Business 15 -- 1.7 Problems and Review Questions 17 -- References 17 -- 2. The Telecommunications Network: An Overview 19 -- 2.1 Basic Telecommunications Network 19 -- 2.2 Operation of a Conventional Telephone 22 -- 2.3 Signaling to the Exchange from the Telephone 24 -- 2.5 Telephone Numbering 30 -- 2.6 Switching and Signaling 33 -- 2.7 Local-Access Network 41 -- 2.8 Trunk Network 45 -- 2.9 International Network 46 -- 2.10 Telecommunications Networks 47 -- 2.11 Network Mangement 58 -- 2.12 Traffic Engineering 65 -- 2.13 Problems and Review Questions 72 -- References 75 -- 3 Signals Carried over the Network 77 -- 3.1 Types of Information and Their Requirements 77 -- 3.2 Simplex, Half-Duplex, and Full-Duplex Communication 80 -- 3.3 Frequency and Bandwidth 81 -- 3.4 Analog and Digital Signals and Systems 85 -- 3.5 Analog Signals over Digital Networks 91 -- 3.6 PCM 92 -- 3.7 Other Speech-Coding Methods 106 -- 3.8 Power Levels of Signals and Decibels 115 -- 3.9 Problems and Review Questions 119 -- References 124 -- 4 Transmission 125 -- 4.1 Basic Concept of a Transmission System 125 -- 4.2 Radio Transmission 129 -- 4.3 Maximum Data Rate of a Transmission Channel 144 -- 4.4 Coding 151 -- 4.5 Regeneration 155 -- 4.6 Multiplexing 158 -- 4.7 Transmission Media 170 -- 4.8 Transmission Equipment in the Network 176 -- 4.9 Problems and Review Questions 183 -- References 187 -- 5 Mobile Communications 189 -- 5.1 Cellular Radio Principles 190 -- 5.2 Structure of a Cellular Network 191.

5.3 Operating Principle of a Cellular Network 194 -- 5.4 Mobile Communication Systems197 -- 5.5 GSM 212 -- 5.6 Operation of the GSM Network 219 -- 5.7 GPRS 228 -- 5.8 Problems and Review Questions 233 -- References 235 -- 6 Data Communications 237 -- 6.1 Principles of Data Communications 237 -- 6.2 Circuit and Packet Switching 242 -- 6.3 Data Communication Protocols 248 -- 6.4 Access Methods 262 -- 6.5 LANs 281 -- 6.6 The Internet 301 -- 6.7 Frame Relay 342 -- 6.8 ATM 342 -- 6.9 Problems and Review Questions 350 -- References 355 -- 7 Future Developments in Telecommunications 357 -- 7.1 Information Networks 357 -- 7.2 Telephone Services 358 -- 7.3 Wireless Communications 358 -- 7.4 Optical Technology 359 -- 7.5 Digital Broadcast Systems 359 -- 7.6 Summary 360 -- About the Author 361 -- Index 363.