| Titre : | Telecommunications engineering |
| Auteurs : | J. Dunlop ; D. G. Smith |
| Type de document : | Monographie imprimée |
| Mention d'édition : | 3rd ed. |
| Editeur : | Cheltenham : Stanley Thornes, 19981994 |
| ISBN/ISSN/EAN : | 978-0-7487-4044-4 |
| Format : | xxii, 593 p. / ill. / 25 cm |
| Note générale : | This ed. originally published: London : Chapman & Hall, 1994 - Previous ed.: 1989. Includes index. |
| Index. décimale : | 621.382 (Techniques des communications) |
| Catégories : |
[Agneaux] Telecommunication systems > Design and construction > Handbooks, manuals, etc. |
| Résumé : |
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. |
| Sommaire : |
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 Instructors We provide complimentary e-inspection copies of primary textbooks to instructors considering our books for course adoption. 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| SI8/3027 | Livre | BIB.FAC.ST. | Empruntable | Magazin |
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