1 Introduction to Communications Systems

1．1 Introduction

1．2 Elements of a Communication System

1．3 Time and Frequency Domains

1．4 Noise and Communications

1．5 Spectrum Analysis

2 Radio-Frequency Circults

2．1 Introduction

2．2 High-Frequency Effects

2．3 Radio-Frequency Amplifiers

2．4 Radio-Frequency Oscillators

2．5 Mixers

2．6 Frequency Synthesizers

3 Amplitude Modulation

3．1 Introduction

3．2 Full-Carrier AM: Time Domain

3．3 Full-Carrier AM: Frequency Domain

3．4 Quadrature AM and AM Stereo

3．5 Suppressed-Carrier AM

4 Angie Modulation

4．1Introduction

4．2 Frequency Modulation

4．3 Phase Modulation

4．4 The Angle Modulation Spectrum

4．5 FM and Noise

4．6 FM Stereo

4．7 FM Measurements

5 Transmitters

5．1 Introduction

5．2 Transmitter Requirements

5．3 Transmitter Topologies

5．4 Full-Carrier AM Transmitters

5．5 Single-Sideband Am Transmitters

5．6 FM Transmitters

5．7 Transmitter Power Measurements

6 Receivers

6．1 Introduction

6．2 Receiver Topologies

6．3 Receiver Characteristics

6．4 Demodulators

6．5 Receiver Variations

6．6 Communications Receivers

6．7 Transceivers

6．8 Receiver Measurements

7 Digital Communication

7．1 Introduction

7．2 Pulse Modulation

7．3 Pulse-Code Modulation

7．4 Delta Modulation

7．5 Line Codes

7．6 Time-Division Multiplexing

7．7 Vocoders and Data Compression

8 The Telephone System

8．1 Introduction

8．2 Public Switched Telephone Network

8．3 The Local Loop

8．4 Signals and Noise in the Telephone System

8．5 Frequency-Division Multiplexing

8．6 Digital Transmission

8．7 Telephone-Network Signaling

8．8 Digital Local Loops

9 Data Transmission

9．1 Introduction

9．2 Data Coding

9．3 Asynchronous Transmission

9．4 Synchronous Transmission

9．5 Error Detection and Correction

9．6 Data Compression and Encryption

10 Local-Area Networks

10．1 Introduction

10．2 Local-Area Network Topologies

10．3 IBM Token-Ring System

10．4 Ethernet

10．5 Ethernet Wiring

10．6 Broadband Networks

10．7 LAN Software

11 Wide-Area Networks and the Internet

11．2 Network Structures

11．1 Introduction

11．3 Network Protocols

11．4 Connecting LANs to WANs

11．5 TCP-IP Networks

11．6 The Internet and Intranets

11．7 Convergence of Voice and Data Networks

12 Digital Modulation and Modems

12．1 Introduction

12．2 Frequency-Shift Keying

12．3 Phase-Shift Keying

12．4 Quadrature Amplitude Modulation

12．5 Telephone Modems

12．6 Modem-to-Computer Connections

12．7 Cable Modems and Digital Subscriber Lines

13 Multiplexing and Multiple-Access Techniques

13．1 Introduction

13．2 Frequency-Division Multiplexing and Multiple Access（FDM/FDMA）

13．3 Time-Division Multiplexing and Multiple Access （TDM/TDMA）

13．4 Spread-Spectrum Systems

13．5 Code-Division Multiple Access（CDMA）

14 Transmission Lines

14．1 Introduction

14．2 Electrical Model of a Transmission Line

14．3 Step and Pulse Response of Lines

14．4 Wave Propagation on Lines

14．5 Transmission Line Losses

14．6 Impedance Matching

14．7 Transmission-Line Measurements

15 Radio-Wave Propagation

15．1 Introduction

15．2 Electromagnetic Waves

15．3 Free-Space Propagation

15．4 Reflection, Refraction,and Diffraction

15．5 Ground-Wave Propagation

15．6 Ionospheric Propagation

15．7 Line-of-Sight Propagation

15．8 Propagation in a Mobile/Portable Environment

15．9 Repeaters and Cellular Systems

15．10 Other Propagation Podes

16 Antennas

16．2 Simple Antennas

16．1 Introduction

16．3 Antenna Characteristics

16．4 Other Simple Antennas

16．5 Antenna Matching

16．6 Antenna Arrays

16．7 Reflectors

16．8 Cellular and PCS Antennas

16．9 Test Equipment : The Anechoic Chamber

17 Microwave Devices

17．1 Introduction

17．2 Waveguides

17．3 Passive Components

17．4 Microwave Solid-State Devices

17．5 Microwave Tubes

17．6 Microwave Antennas

17．7 Radar

18 Terrestrial Microwave Communication Systems

18．1 Introduction

18．2 Terminal and Repeater Siting

18．3 Path Calculations

18．4 Fixed Microwave Links

18．5 Local Microwave Distribution Systems

19 Television

19．1 Introduction

19．2 NTSC Analog Video Signal

19．3 Terrestrial Analog Television Broadcasting

19．4 Analog Television Receivers

19．5 Cable Television

19．6 Test Equipment and Signals

19．7 Television Receiver Troubleshooting

19．8 Digital and High-Definition Television

20 Satellite Communication

20．1 Introduction

20．2 Satellite Orbits

20．3 Geostationary Satellites

20．4 Applications of Geostationary Satellites

20．5 Satellites in Low-and Medium-Earth Orbits

20．6 Satellite Telephone Systems Using LEO and MEO Satellites

21 Cellular Radio

21．1 Introdcution

21．2 The Advanced Mobile Phone System（AMPS）

21．3 AMPS Control System

21．4 Security and Privacy

21．5 Cellular Telephone Specifications and Operation

21．6 Cell Site Equipment

21．7 Fax and Data Communication Using Cellular Phones

21．8 Digital Cellular Systems

22 Personal Communication Systems

22．1 Introduction

22．2 Differences Between Cellular and PCS Systems

22．3 IS-136（TDMA）PCS

22．4 GSM

22．5 IS-95 CDMA PCS

22．6 Comparison of PCS Schemes

22．7 Data Communication with PCS

22．8 Testing Cellular Systems and PCS

22．9 Third Generation PCS Systems

23 Paging and Wireless Data Networking

23．1 Introduction

23．2 Paging and Messaging Systems

23．3 Wireless Local-Area Networks

23．4 Wireless Packet-Data Services

24 Fiber Optics

24．1 Introduction

24．2 Optical Fiber

24．3 Fiber-Optic Cables

24．4 Splices and Connectors

24．5 Optical Couplers and Switches

24．6 Optical Emitters

24．7 Optical Detectors

25 Fiber-Optic Systems

25．1 Introduction

25．2 Basic Fiber-Optic Systems

25．3 Repeaters and Optical Amplifiers

25．4 Wavelength-Division Multiplexing

25．5 Submarine Cables

25．6 The Synchronous Optical Network （SONET）

25．7 Fiber in Local-Area Networks

25．8 Local Telephone Applications

25．9 Cable-Television Applications

25．10 Experimental Techniques

25．11 Optical Time-Domain Refiectometry

APPENDICES

APPENDIX A Decibels

A．1 Review of Logarithms ·A.2 Decibels

APPENDIX B CB Channel Frequencies

APPENDIX C Television Channel Frequencies

APPENDIX D Cable-Television Frequencies

APPENDIX E Waveguide Table

APPENDIX F Callular and PCS Frequencies

APPENDIX G Answers to Odd-Numbered Problems

Index