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3rd Edition

Telecommunications Engineering





ISBN 9780748740444
Published October 20, 1994 by CRC Press
593 Pages

 
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Book Description

Since the publication of the second edition of this highly acclaimed textbook, telecommunications has progressed at a rapid rate. Major advances continue to occur in mobile communications and broadband digital networks and services, sophisticated signal processing techniques are prevalent at increasingly higher bit rates, and digital systems are widespread. These developments need to be addressed in a textbook that bridges the gap in the current knowledge and teachings of telecommunications engineering.

Telecommunications Engineering, 3rd Edition offers an introduction to the major telecommunications topics by combining an analytical approach to important concepts with a descriptive account of systems design. Completely updated and expanded, this third edition includes substantial material on integrated services digital networks, mobile communications systems, metropolitan area networks, and more.

What's New in the 3rd Edition

  • New chapter on mobile communications covering first generation analog and second generation digital systems
  • Expanded chapter on non-linear coding of voice waveforms for PCM
  • New section on NICAM
  • Updated chapter on the transient performance of the phase locked loop
  • Revised chapter on recent major developments in satellite television
  • New introduction to coding techniques for burst errors
  • Extended chapter on ISDN and broadband digital communications

    Supplemented with worked problems, numerous illustrations, and extensive references to more advanced material, this textbook provides a solid foundation for undergraduate students of electrical, electronic, and telecommunications engineering.
  • Table of Contents

    SIGNALS AND CHANNELS
    Introduction
    The Frequency and Time Domains
    Continuous Fourier Analysis
    Odd and Even Functions
    Waveform Synthesis
    The Fourier Integral
    Power and Energy Density Spectrum
    Signal Transmission through Linear Systems
    The Impulse Function
    The Discrete Fourier Transform (DFT)
    Time Domain Analysis
    Correlation Functions
    Information Content of Signals
    Information Transmission
    Conclusion
    References
    Problems
    ANALOGUE MODULATION THEORY
    Double Sideband Amplitude Modulation (DSB-AM)
    Double Sideband Suppressed Carrier Amplitude Modulation (DSB-SC-AM)
    Single Sideband Amplitude Modulation (SSB-AM)
    Vestigial Sideband Amplitude Modulation (VSB-AM)
    DSB-AM Modulators
    DSB-SC-AM Modulators
    SSB-AM Modulators
    VSB-AM Modulators
    DSB-AM Detection
    DSB-SC-AM Detection
    SSB-AM Detection
    VSB-AM Detection
    Economic Factors Affecting the Choice of AM Systems
    Angle Modulation
    Phase Modulation (PM)
    Frequency Modulation
    Frequency Modulators
    Demodulation of a Frequency Modulated Wave
    Frequency Division Multiplex (FDM) Transmission
    Conclusion
    References
    Problems
    DISCRETE SIGNALS
    Sampling of Continuous Signals
    Reconstruction of the Continuous Signal
    Low-Pass Filtering of a Sampled Signal
    Time Division Multiplex (TDM) Transmission
    Pulse Code Modulation (PCM)
    Practical Compression Characteristics
    NICAM
    PCM Line Signals
    Bandwidth Requirements for PCM Transmission
    Synchronization Of PCM Links
    Delta Modulation
    Differential PCM
    Data Communications
    Spectral Properties of Data Signals
    Amplitude Shift Keying (ASK)
    Frequency Shift Keying (FSK)
    Phase Shift Keying (PSK)
    Practical Data Systems
    Differential Phase Shift Keying (DPSK)
    Advanced Modulation Metbods
    Conclusions
    References
    Problems
    NOISE IN ANALOGUE COMMUNICATIONS SYSTEMS
    Introduction
    Physical Sources of Noise
    Noise Properties of Networks
    Algebraic Representation of Band-Limited Noise
    SNR Characteristics of Envelope-detected DSB-AM
    SNR Characteristics of Coherently Detected DSB-AM
    SNR Characteristics of DSBSC-AM
    SNR Characteristics of SSB-AM
    SNR Characteristics of FM
    Pre-emphasis and De-emphasis
    The FM Capture (Threshold) Effect
    Conclusion
    References
    Problems
    NOISE IN DIGITAL COMMUNICATIONS SYSTEMS
    The Amplitude Distribution Function of White Noise
    Statistical Decision Theory
    Decision Errors in PCM
    Decision Errors in Carrier-Modulated Data Signals
    Matched Filtering and Correlation Detection
    Error Detection and Correction
    The Cyclic Redundancy Check Mechanism
    Convolutional Codes
    Multiple Decisions
    Conclusion
    References
    Problems
    HIGH-FREQUENCY TRANSMISSION LINES
    Voltage and Current Relationships on the Line
    Line Parameters
    Characteristic Impedance
    Reflection from the Load
    Reflection Coefficient P
    Sending-end Impedance
    Lines of Low Loss
    Lossless Lines
    Quarter-Wave Transformer
    Stubs
    Standing Waves
    Voltage Standing Wave Ratio (VSWR)
    Impedance at a Voltage Minimum and at a Voltage Maximum
    Load Impedance on a Lossless Line
    Smith Transmission line Chart
    Stub Matching
    Single-stub Matching
    Doublestub Matching
    Derivation of the Smith Chart
    Travelling Waves on a Lossless Line
    Wave Equation for a Lossless Transmission Line
    Conclusion
    References
    Problems
    ANTENNAS
    Radiation pattern (polar diagram)
    Lobes
    Beamwidth
    Antenna Impedance and Bandwidth
    Gain
    Field Due to a Filament of Current
    Induction Field
    Radiation Field
    Power Radiated from a Current Element
    Radiation Pattern of a Short Dipole
    Antenna Arrays
    Two-element Array
    Linear Arrays
    Pattern Multiplication
    Antenna Matching
    Parasitic Elements
    Microwave Antennas
    Parabolic Reflector
    Horn Antennas
    Dielectric Lens
    Microstrip Antennas
    Radio wave Propagation
    References
    Appendix 7.1 Field Components Produced by a Short Current Element
    Problems
    ACTIVE MICROWAVE DEVICES
    Klystron
    Two-cavity Klystron
    Reflex Klystron
    Magnetron
    Travelling-wave Tube (TWT)
    Solid-state Devices
    Gunn Diode
    Impatt Diode
    Field-effect Transistors
    Conclusions
    References
    PASSIVE MICROWAVE DEVICES
    Waveguides
    Rectangular Waveguide
    Interference of Two Plane Waves
    Cut-off Wavelength
    Phase Velocity
    Group Velocity
    Rectangular Waveguide Modes
    Field Theory of Propagation Along a Rectangular Waveguide
    Transverse Electric (TE) Modes
    Transverse Magnetic (TM) Modes
    Field Equations for the Fundamental TE10 Mode
    Attenuation in Rectangular Waveguide
    Evanescent Modes
    Rectangular Mode Patterns
    Circular Waveguides
    Circular Waveguides (TE) Modes
    Circular Mode Cut-Off Frequency
    Attenuation in Circular Waveguide
    Rectangular Cavity
    Cavity Q - TE101 Mode
    Circular Cavity
    Rectangular Waveguide Components - TE10 Mode
    Waveguide Coaxial Transformer
    Attenuator
    Directional Coupler
    Tee Junctions
    Wavemeter
    Matched Load
    Short Circuit
    Isolator
    Microstrip
    References
    Problems
    TELEPHONY
    Telephone Traffic
    Inter-Arrival and Call Holding Times
    Traffic Variation
    Busy Hour
    Lost-Calls-Cleared Systems
    Equations of State
    Statistical Equilibrium
    State Probability
    Full-availability Models
    Erlang Distribution: S >> N 320
    Time Congestion
    Call Congestion
    Bernoulli Distribution: S = N
    Engset Distribution: S > N
    Probability of Occupancy of Particular Devices
    Link Systems
    Probability of Blocking
    Delay System
    Simulation
    Switching and Signalling
    Types Of Signalling System
    Voice-Frequency Signalling
    Out-band Signalling
    Switching Networks
    Basic Analogue Switching Systems
    Step-By-Step
    Common Control
    Multi-Frequency Signalling
    The Telephone Network
    Numbering Schemes
    Routing Calls
    Digital Systems
    PCM Telephony
    Digital Transmission Hierarchy
    Common-Channel Signalling (CCS)
    Digital Switching
    Integrated Services Digital Network (ISDN)
    ISDN Terminal Equipment Reference Model
    Framing
    Signalling Channel Protocols
    ISDN Services
    Broadband Communications
    Synchronous Digital Hierarchy (SDH)
    Asynchronous Transfer Mode (ATM)
    Conclusion
    References
    Problems
    TELEVISION SYSTEMS
    Introduction
    Measurement of Light and the Response of the Eye
    The Monochrome Television Waveform
    Bandwidth of a Television Waveform
    Choice of Number of Lines
    Synchronizing Pulses
    The Television Receiver
    Colorimetry
    Requirements of a Colour Television System
    The Pal Colour Television System
    Transmission of the Chrominance Signals
    The Transmitted Pal Signal
    Gamma Correction
    The NTSC Chrominance Signal
    The Pal Receiver
    The Secam System
    Satellite Television
    Image Capture And Display Systems
    Teletext Transmission
    Viewdata
    Conclusions
    References
    Problems
    OPTICAL FIBRE COMMUNICATIONS
    Optical fibre
    Stepped-index Fibre
    Skew Rays
    Modes
    Graded-index Fibre
    Loss Mechanisms
    Absorption
    Scatter
    Radiation from Bends
    Single-mode Fibre
    Detectors
    Pin Diode
    APD Device
    Speed of Response and Quantum Efficiency
    Reliability
    Noise
    Optical Sources
    Light Emitting Diodes (LEDS)
    Lasers
    Communications Systems
    Conclusion
    References
    PACKET SWITCHED NETWORKS
    Introduction
    Wide Area Networks
    The Poisson Distribution
    Scheduled Access Techniques
    Random Access Techniques
    Local Area Networks
    The Ethernet Local Area Network
    The Token Bus
    The Token Ring
    Metropolitan Area Networks (MANS)
    Open Systems Interconnection Reference Model
    The X25 Communications Protocol
    Conclusions
    References
    Problems
    SATELLITE COMMUNICATIONS
    Introduction
    Geostationary Orbits
    Angle from Satellite to Earth Station
    Satellite Links
    Antennas
    Error Coding
    Interference and Noise
    Multi-access
    References
    MOBILE COMMUNICATION SYSTEMS
    Introduction
    The Cellular Concept
    Typical Cell Operation
    System Capacity
    Frequency Re-use Distance
    Determination of Cell Radius
    Sectoring
    Properties of the Radio Channel
    Space Wave Propagation
    Short-Term Fading (Fast Fading)
    First Generation Analogue Systems (TACS)
    TACS Radio Parameters
    TACS Mobile Network Control
    Call Management In TACS
    Alternative Analogue Systems
    Digital Cellular Radio
    The GSM Radio Interface
    Mapping of Logical Channels in GSM
    GSM Modulation, Coding and Error Protection
    Handover in GSM
    GSM Handover Measurements
    Features of the GSM System
    Operation of the GSM System
    Security in GSM
    Cordless Communication Systems
    CT2 Spectrum and Radio Interface Parameters
    CT2 Channels and Multiplexing
    CT2 Voice Coding
    The Digital European Cordless Telecommunications (DECT) Standard
    The DECT Physical Layer
    DECT Medium Access Control
    DECT Call Management and Dynamic Channel Selection
    Handover in DECT
    Conclusions
    References
    Problems
    Appendix A: Four-figure Bessel Functions
    Appendix B: Useful Trigonometric Identities
    Appendix C: Normal Error Function
    Appendix D: Blocked-calls-cleared (Erlang B)
    Index

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