Communication systems / / Marcelo S. Alencar, Valdemar C. da Rocha Jr

• Autore: Alencar Marcelo S.
• Pubblicazione: Cham, Switzerland : , : Springer, , [2022]; ©2022
• Edizione: Third edition.
• Descrizione fisica: 1 online resource (472 pages)
• Disciplina: 621.382
• Soggetto topico: Digital communications; Signal processing - Digital techniques
• Persona (resp. second.): da RochaValdemar C.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Preface -- Acknowledgments -- Contents -- About the Authors -- 1 Signal Analysis -- 1.1 Introduction -- 1.2 Fourier Analysis -- 1.2.1 The Trigonometric Fourier Series -- 1.2.2 Even Functions and Odd Functions -- 1.2.2.1 Some Elementary Properties -- 1.2.3 The Compact Fourier Series -- 1.2.4 The Exponential Fourier Series -- 1.3 Fourier Transform -- 1.3.1 Bilateral Exponential Signal -- 1.3.2 Gate Function -- 1.3.3 Impulse Function or Dirac's Delta Function -- 1.3.4 The Constant Function -- 1.3.5 Fourier Transform of Sine and the Cosine -- 1.3.6 The Fourier Transform of ps: [/EMC pdfmark [/Subtype /Span /ActualText (e Superscript j omega 0 t) /StPNE pdfmark [/StBMC pdfmarkej ω0 tps: [/EMC pdfmark [/StPop pdfmark [/StBMC pdfmark -- 1.3.7 The Fourier Transform of a Periodic Function -- 1.4 Some Properties of the Fourier Transform -- 1.4.1 Linearity -- 1.4.2 Scaling -- 1.4.3 Symmetry -- 1.4.4 Time Domain Shift -- 1.4.5 Frequency Domain Shift -- 1.4.6 Differentiation in the Time Domain -- 1.4.7 Integration in the Time Domain -- 1.4.8 The Convolution Theorem -- 1.5 The Sampling Theorem -- 1.6 Parseval's Theorem -- 1.7 Average, Power, and Autocorrelation -- 1.7.1 Time Autocorrelation of Signals -- 1.8 Problems -- 2 Probability Theory and Random Processes -- 2.1 Set Theory, Functions and Measure -- 2.2 Probability Theory -- 2.3 Random Variables -- 2.3.1 Average Value of a Random Variable -- 2.3.2 Moments of a Random Variable -- 2.3.3 The Variance of a Random Variable -- 2.3.4 The Characteristic Function of a Random Variable -- 2.3.4.1 Some Important Random Variables -- 2.4 Stochastic Processes -- 2.5 Linear Systems -- 2.6 Mathematical Formulation for the Digital Signal -- 2.6.1 Autocorrelation for the Digital Signal -- 2.6.2 Power Spectral Density for the Digital Signal -- 2.7 Problems -- 3 Speech Coding -- 3.1 Introduction. ; 3.2 Signal Coding-Preliminaries -- 3.3 The Performance of a Signal Compression System -- 3.3.1 Quality of the Reconstructed Signals -- 3.3.2 Bit Rate -- 3.3.3 Complexity -- 3.3.4 Communication Delay -- 3.4 Features of Speech Signals -- 3.5 Pulse Code Modulation -- 3.5.1 Uniform Quantization -- 3.5.2 Quantization Noise -- 3.6 Noise Spectrum for the Uniform Quantizer -- 3.6.1 Nonuniform Quantization -- 3.7 Vector Quantization -- 3.7.1 LBG Algorithm -- 3.8 LPC Parameters -- 3.8.1 LPC Quantization -- 3.9 Overview of Speech Coding -- 3.10 Waveform Coding -- 3.11 Parametric and Hybrid Coding -- 3.12 Speech Coder Attributes -- 3.13 Problems -- 4 Amplitude Modulation -- 4.1 Introduction -- 4.2 Amplitude Modulation -- 4.3 Amplitude Modulation by Random Signals -- 4.3.1 Total Power of an AM Carrier -- 4.3.2 Power Spectral Density -- 4.4 Amplitude Modulators -- 4.4.1 Quadratic Modulator -- 4.4.2 Synchronous Modulator -- 4.4.3 Digital AM Signal -- 4.4.4 AM Transmitter -- 4.5 Suppressed Carrier Amplitude Modulation -- 4.6 Spectrum of the AM-SC Signal -- 4.6.1 Power Spectral Density -- 4.6.2 The AM-SC Modulator -- 4.7 AM-VSB Modulation -- 4.8 Amplitude Demodulation -- 4.9 Performance of Amplitude Modulation -- 4.10 Problems -- 5 Quadrature Amplitude Modulation -- 5.1 Quadrature Modulation with Random Signals -- 5.2 Single Sideband Amplitude Modulation -- 5.2.1 Hilbert Transform -- 5.2.2 Fourier Transform of 1/πt -- 5.2.3 Properties of the Hilbert Transform -- 5.2.4 Producing the SSB Signal -- 5.2.5 Lower Sideband SSB: Random Signal -- 5.3 ISB Modulation -- 5.4 AM Stereo -- 5.5 Quadrature Amplitude Demodulation -- 5.6 Performance Evaluation of SSB -- 5.7 Quadrature Modulation with Digital Signal -- 5.8 Problems -- 6 Angle Modulation -- 6.1 Introduction -- 6.2 Angle Modulation Using Random Signals -- 6.2.1 Mathematical Model. ; 6.2.2 Case I: Modulation with Low Index, β< -- 0.5 -- 6.2.3 Case II: Modulation Index in the Interval0.5 ≤ β≤5 -- 6.2.4 Case III: High Modulation Index, β> -- 5 -- 6.3 Frequency and Phase Demodulation -- 6.4 Performance Evaluation of Angle Modulation -- 6.5 Angle Modulation with Digital Signal -- 6.6 Problems -- 7 Propagation Channels -- 7.1 Basic Concepts -- 7.2 Non-guided Channels -- 7.2.1 Terrestrial Wave -- 7.2.2 Tropospheric Wave -- 7.2.3 Sky Wave -- 7.2.4 Outer Space -- 7.3 Effects on the Transmitted Signal -- 7.4 The Mobile Communication Channel -- 7.5 Multipath Effects -- 7.5.1 Statistical Modeling of the Mobile Channel -- 7.5.2 The Two-Ray Model of the Mobile Channel -- 7.5.3 Two-Ray Model with Frequency Selectivity -- 7.5.4 Effect of Multiple Rays -- 7.5.5 Time-Varying Channels -- 7.5.6 Propagation Model in Urban Area -- 7.5.7 Propagation in Mobile Systems -- 7.6 Problems -- 8 Carrier Transmission -- 8.1 Carrier Amplification -- 8.2 Features of the Cavity and Solid-State Amplifiers -- 8.3 Communication Channels -- 8.3.1 Guided Channels -- 8.3.1.1 Twisted Pair -- 8.3.1.2 Cable of Pairs -- 8.3.1.3 Open Line -- 8.3.1.4 Power Line Communications -- 8.3.1.5 Coaxial Cable -- 8.3.1.6 Waveguides -- 8.3.1.7 Optical Fibers -- 8.4 Microwave Systems -- 8.4.1 Line-of-Sight Systems -- 8.4.2 Tropodiffusion Systems -- 8.5 Antennas -- 8.6 Link Budget -- 8.6.1 Influence of the Earth's Curvature and the Equivalent Radius -- 8.6.2 Profile Design -- 8.6.3 Fresnel Zones -- 8.7 Problems -- 9 Transmission in Non-stationary Channels -- 9.1 Introduction -- 9.2 Non-stationary Interference -- 9.3 Stochastic Modeling -- 9.3.1 Modeling a Sudden Increase in Interference -- 9.3.2 The Instantaneous Power Interference -- 9.3.3 Mathematical Model for the Interference -- 9.3.4 The Influence of the Combined Interference -- 9.4 System Performance Evaluation. ; 9.4.1 Average Signal to Interference Plus Noise Ratio -- 9.4.2 Outage Probability -- 9.4.3 Average Error Probability -- 9.4.4 Performance of Digital Modulation Systems -- 9.4.5 Epidemic Interference -- 9.4.6 Average Error Probability for Lognormal SINR -- 9.5 Behavior of Systems Under Lognormal SINR -- 9.5.1 Outage Probability -- 9.5.2 Error Probability -- 9.5.2.1 M-ary Amplitude Shift Keying (M-ASK) -- 9.5.2.2 Binary Phase-Shift Keying (BPSK) -- 9.5.2.3 Quadrature Phase Shift Keying (QPSK) -- 9.5.2.4 M-ary Phase Shift Keying (M-PSK) -- 9.5.2.5 M-ary Quadrature Amplitude Modulation (M-QAM) -- 9.5.3 Monte Carlo Simulations -- 9.6 Numerical Results -- 9.6.1 Outage Probability -- 9.6.2 Average Error Probability -- 9.7 Problems -- 10 Mobile Cellular Telephony -- 10.1 Introduction -- 10.2 Introduction to Cellular Operation -- 10.3 Description of the Cellular System -- 10.3.1 Cellular Structure -- 10.3.2 Cellular Structures -- 10.4 Frequency Reuse -- 10.4.1 Cell Division -- 10.5 Constitution of the Cellular System -- 10.6 Characteristic Functions of a Cellular Network -- 10.6.1 Handoff -- 10.6.2 Roaming -- 10.6.3 Configuration of the Mobile Cellular System -- 10.6.4 Data Communication from the MSC to the Base Station -- 10.7 Radio Channel Types -- 10.7.1 Voice Channels -- 10.7.1.1 Wide Band Data -- 10.7.2 Control Channel -- 10.8 Digital Systems -- 10.8.1 The European GSM Standard -- 10.8.1.1 GPRS -- 10.8.1.2 UMTS -- 10.8.2 American Standards -- 10.8.2.1 The TDMA (IS-54/136) Standard -- 10.8.2.2 The IS-95 CDMA Standard -- 10.8.2.3 cdmaOne -- 10.8.2.4 cdma2000 -- 10.9 Problems -- 11 Long-Term Evolution -- 11.1 Overview -- 11.2 Transmission Schemes -- 11.2.1 Downlink -- 11.2.2 Uplink -- 11.3 Programming, Link Adaption, and Hybrid ARQ -- 11.3.1 Downlink Programming -- 11.3.2 Uplink Programming -- 11.3.3 Interference Coordination Between Cells. ; 11.4 Multiple Antennas -- 11.5 Spectrum Flexibility: Transmission Bandwidth -- 11.5.1 Spectrum Flexibility: Duplex Regime -- 11.6 Radio Interface Architecture -- 11.6.1 Packet Data Convergence Protocol (PDCP) -- 11.6.2 Radio Link Control (RLC) -- 11.7 Medium Access Control (MAC) -- 11.7.1 Logical Channels and Transport Channels -- 11.7.2 Physical Layer -- 11.8 LTE-Advanced -- 12 The Fifth Generation of Mobile Communications -- 12.1 Introduction -- 12.2 Description of the Technology -- 12.3 Standardization Bodies -- 12.3.1 3GPP -- 12.3.2 IETF -- 12.3.3 ITU -- 12.4 Major 5G Standards -- 12.5 Usage Scenarios for IMT 2020 -- 12.6 How the IMT 2020 Standard Is Developed -- 12.7 The Underlying Technologies Behind 5G -- 12.7.1 Orthogonal Frequency-Division MultiplexingScheme -- 12.7.2 How OFDM Works -- 12.7.3 Description of OFDM -- 12.7.4 COFDM Transmission -- 12.8 Comparing 4G and 5G Technologies -- 12.9 New Features of the 5G Technology -- 12.10 How to Obtain the Best of 5G -- 12.11 The 5G Transmission Rate -- 12.12 The 5G Reference Network Architecture -- 12.12.1 The Core Network -- 12.13 The 5G Architecture Diagram -- 12.14 Frequency Planning for 5G -- A Fourier Series and Fourier Transform -- A.1 Fourier Series Formulas -- A.2 Fourier Series Transform and Some Properties -- A.2.1 Useful Fourier Transforms -- A.3 Some Hilbert Transform Pairs -- B Formulas and Important Inequalities -- C Use of the Radio-Frequency Spectrum -- D The Code Division Multiple Access Standard -- D.1 Introduction -- D.2 Spread Spectrum -- D.2.1 Generation of Pseudo-Random Sequences -- D.3 Convolutional Coding -- D.3.1 The Structure of Convolutional Codes -- D.4 CDMA and the IS-95 Standard -- D.4.1 Processing Gain and CDMA Capacity -- D.4.2 Channel Layout for IS-95 -- D.4.2.1 Pilot Channel -- D.4.2.2 Synchronization Channel -- D.4.2.3 Paging Channel. ; D.4.2.4 Channels for the Direct and for the Reverse Traffic.
• Titolo autorizzato: Communication Systems
• ISBN: 3-031-12067-1
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910624316503321
• Lo trovi qui: Univ. Federico II