Telecommunication switching systems and networks 英文版PDF|Epub|txt|kindle电子书版本网盘下载

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Chapter 1 Introduction1

1.1 Evolution of Telecommunications1

1.2 Simple Telephone Communication5

1.3 Basics of a Switching System8

1.4 Manual Switching System11

1.5 Major Telecommunication Networks15

Further Reading18

Exercises18

Chapter 2 Strowger Switching Systems20

2.1 Rotary Dial Telephone20

2.2 Signalling Tones23

2.3 Strowger Switching Components25

2.4 Step-by-Step Switching29

2.5 Design Parameters33

2.6 100-line Switching System34

2.6.1 Design 135

2.6.2 Design 236

2.6.3 Design 336

2.6.4 Design 437

2.6.5 Design 538

2.7 1000-line Blocking Exchange39

2.8 10,000-line Exchange42

Further Reading42

Exercises42

Chapter 3 Crossbar Switching44

3.1 Principles of Common Control44

3.2 Touch Tone Dial Telephone48

3.2.1 Design Considerations49

3.3 Principles of Crossbar Switching52

3.4 Crossbar Switch Configurations54

3.5 Crosspoint Technology56

3.6 Crossbar Exchange Organisation58

Further Reading59

Exercises59

Chapter 4 Electronic Space Division Switching81

4.1 Stored Program Control61

4.2 Centralised SPC62

4.3 Distributed SPC68

4.3.1 Level 3 Processing68

4.3.2 Level 2 Processing69

4.3.3 Level 1 Processing70

4.4 Software Architecture71

4.5 Application Software79

4.6 Enhanced Services84

4.7 Two-Stage Networks89

4.8 Three-Stage Networks92

4.9 n-Stage Networks96

Further Reading97

Exercises97

Chapter 5 Speech Digitisation and Transmission99

5.1 Sampling99

5.2 Quantisation and Binary Coding101

5.3 Quantisation Noise103

5.4 Companding105

5.5 Differential Coding109

5.6 Vocoders111

5.7 Pulse Transmission112

5.8 Line Coding119

5.9 Time Division Multiplexing123

Further Reading126

Exercises126

Chapter 6 Time Division Switching128

6.1 Basic Time Division Space Switching128

6.2 Basic Time Division Time Switching133

6.3 Time Multiplexed Space Switching140

6.4 Time Multiplexed Time Switching144

6.5 Combination Switching150

6.6 Three-Stage Combination Switching152

6.7 n-Stage Combination Switching155

Further Reading157

Exercises157

Chapter 7 Optical Fibre Systems159

7.1 Types of Optical Fibres159

7.2 Fibre Optic Transmission162

7.3 Optical Sources166

7.3.1 Light Emitting Diodes168

7.3.2 Laser Diodes172

7.4 Optical Detectors175

7.4.1 p-i-n Photodiode178

7.4.2 Avalanche Photodiode180

7.5 Power Budget Analysis183

7.6 Telecommunication Applications187

Further Reading189

Exercises189

Chapter 8 Traffic Engineering191

8.1 Network Traffic Load and Parameters191

8.2 Grade of Service and Blocking Probability195

8.3 Modelling Switching Systems196

8.3.1 Markov Processes198

8.3.2 Birth-death Processes199

8.4 Incoming Traffic and Service Time Characterisation201

8.5 Blocking Models and Loss Estimates205

8.5.1 Lost Calls Cleared System with Infinite Sources205

8.5.2 Lost Calls Cleared System with Finite Subscribers208

8.5.3 Lost Calls Returned System212

8.5.4 Lost Calls Held System212

8.6 Delay Systems213

Further Reading218

Exercises218

Chapter 9 Telephone Networks221

9.1 Subscriber Loop Systems221

9.2 Switching Hierarchy and Routing227

9.3 Transmission Plan229

9.4 Transmission Systems233

9.4.1 Ionospheric Communication233

9.4.2 Microwave Communication237

9.4.3 Tropospheric Scatter Communication244

9.4.4 Satellite Communications245

9.4.5 Coaxial Cable Transmission249

9.5 Numbering Plan252

9.6 Charging Plan256

9.7 Signalling Techniques259

9.8 Inchannel Signalling263

9.9 Common Channel Signalling268

9.10 Cellular Mobile Telephony272

Further Reading274

Exercises274

Chapter 10 Data Networks277

10.1 Data Transmission in PSTNs278

10.1.1 Data Rates in PSTNs279

10.1.2 Modems281

10.2 Switching Techniques for Data Transmission283

10.2.1 Circuit Switching284

10.2.2 Store and Forward Switching287

10.3 Data Communication Architecture291

10.3.1 ISO-OSI Reference Model292

10.4 Link-to-link Layers297

10.4.1 Physical Layer298

10.4.2 Data Link Layer298

10.4.3 Network Layer304

10.5 End-to-End Layers306

10.5.1 Transport Layer306

10.5.2 Session Layer307

10.5.3 Presentation Layer308

10.5.4 Application Layer311

10.6 Satellite Based Data Networks313

10.7 Local Area Networks317

10.7.1 LAN Technologies318

10.7.2 Multiple Access Bus LAN319

10.7.3 Token Passing Ring LAN323

10.7.4 Token Passing Bus LAN325

10.8 Metropolitan Area Networks326

10.9 Fibre Optic Networks328

10.10 Data Network Standards332

10.11 Protocol Stacks337

10.11.1 Manufacturing Automation Protocol(MAP)337

10.11.2 Technical and Office Protocol(TOP)339

10.11.3 Library Automation Protocol(LAP)339

10.12 Internetworking339

Further Reading341

Exercises341

Chapter 11 Integrated Services Digital Network345

11.1 Motivation for ISDN346

11.2 New Services347

11.2.1 Videotex348

11.2.2 Electronic Mail348

11.2.3 Facsimile353

11.2.4 Teletex355

11.2.5 Database Access356

11.3 Network and Protocol Architecture357

11.4 Transmission Channels362

11.5 User-Network Interfaces363

11.5.1 Functional Grouping and Reference Points365

11.6 Signalling366

11.6.1 User Level Signalling367

11.6.2 Network Level Signalling368

11.7 Numbering and Addressing370

11.7.1 Address Structure370

11.8 Service Characterisation371

11.9 Interworking374

11.9.1 Numbering Interworking376

11.10 ISDN Standards377

11.11 Expert Systems in ISDN380

11.11.1 Components of an Expert System382

11.11.2 Example of an Expert System384

11.12 Broadband ISDN385

11.12.1 Broadband ISDN Architecture385

11.12.2 Broadband ISDN Protocols387

Further Reading388

Exercises388

Chapter 12 Asynchronous Transfer Mode391

12.1 Protocol Architecture391

12.2 ATM Logical Connections392

12.2.1 Virtual Channel Connection Uses392

12.2.2 Virtual Path/Virtual Channel Characteristics394

12.2.3 Control Signalling394

12.3 ATM Cells395

12.3.1 Header Format395

12.3.2 Generic Flow Control397

12.3.3 Header Error Control398

12.4 Transmission of ATM Cells399

12.4.1 Cell-Based Physical Layer399

12.4.2 SDH-Based Physical Layer400

12.5 ATM Service Categories402

12.5.1 Real-Time Services402

12.5.2 Non-Real-Time Services403

Chapter 13 Softswitch and Next Generation Network(NGN)404

13.1 Softswitch404

13.2 Next Generation Networking404

13.2.1 Description404

13.2.2 Underlying technology components405

13.2.3 NGN Functional Architecture406

13.3 Applications407

Answers to Selected Exercises408