Preface |
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xiii | |
Part I Outlook and Overview |
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2 | (50) |
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1 An Overview of Hybrid Fiber Coax (HFC) Networks |
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2 | (14) |
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4 | (1) |
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1.2 Competing Access Technologies |
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5 | (2) |
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1.3 One-Way Broadcast Services |
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7 | (1) |
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1.4 Two-Way Communications Services (Symmetric and Asymmetric) |
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8 | (5) |
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1.4.1 Internet Access and Data Communications via Cable Modems |
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9 | (1) |
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1.4.2 Telephony over CATV Networks |
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9 | (2) |
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1.4.3 Video-on-Demand and Set-Top Boxes |
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11 | (1) |
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1.4.4 Interoperability and Standardization Activities |
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12 | (1) |
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1.4.5 Multimedia Communications and ATM Technology |
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13 | (1) |
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13 | (3) |
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2 General Technical Background Modulation Signal Formats, Coaxial Cable Systems, and Network Architecture Evolutions |
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16 | (36) |
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2.1 Analog and Digital Video Signal Formats and Standards |
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16 | (10) |
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2.1.1 Analog NTSC and AM-VSB Video Signals |
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16 | (4) |
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20 | (1) |
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2.1.3 Digital Video Signals |
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21 | (2) |
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2.1.4 CATV Frequency Plans |
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23 | (3) |
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2.2 CATV Coaxial Cables, Components, and Systems |
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26 | (7) |
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26 | (1) |
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27 | (3) |
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30 | (1) |
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2.2.4 Overall Coaxial Cable System Noise, NLDs, and Frequency Responses |
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31 | (2) |
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2.3 Multichannel System with Cascaded Amplifiers |
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33 | (5) |
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2.3.1 Nonlinear Distortions in an Amplifier: CTB, CSO, and XM |
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33 | (4) |
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2.3.2 CNR and Nonlinear Distortions in a Single Amplifier |
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37 | (1) |
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2.3.3 Cascaded Amplifiers |
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37 | (1) |
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2.4 Characteristics of Current CATV Return Path |
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38 | (3) |
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2.5 System Upgrade by Optical Fibers |
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41 | (5) |
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2.6 Next-Generation Cable Network Architecture |
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46 | (1) |
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47 | (1) |
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48 | (4) |
Part II Components and Modules |
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52 | (261) |
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3 Principles of Passive Optical Fiber Components and WDM Filters |
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52 | (32) |
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3.1 Single-Mode Optical Fibers |
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52 | (3) |
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3.2 Optical Fiber Couplers |
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55 | (2) |
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3.3 Wavelength-Division Multiplexers |
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57 | (14) |
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3.3.1 Coarse WDM Mux/Demuxes or Filters |
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58 | (1) |
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59 | (5) |
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3.3.3 Fiber Bragg Gratings |
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64 | (7) |
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3.4 Optical Fiber Connectors and Splices |
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71 | (3) |
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3.5 Optical Isolators and Circulators |
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74 | (4) |
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74 | (2) |
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3.5.2 Optical Circulators |
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76 | (2) |
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3.6 Optical Attenuators and Mechanical Switches |
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78 | (1) |
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78 | (1) |
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79 | (5) |
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4 Fundamentals of Semiconductor Laser Diodes, Their Modulation, Noise, and Linearity Characteristics |
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84 | (54) |
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84 | (3) |
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4.2 Gain-Guided versus Index-Guided |
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87 | (4) |
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4.3 Semiconductor Materials |
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91 | (1) |
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4.4 Lasing Threshold and Fabry-Perot Modes |
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91 | (3) |
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4.5 Quantum Efficiency and Characteristic Temperature |
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94 | (1) |
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95 | (3) |
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4.7 Multi-Quantum-Well Lasers |
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98 | (4) |
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4.8 Modulation Characteristics |
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102 | (11) |
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4.8.1 Modal Rate Equations |
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102 | (3) |
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4.8.2 Small-Signal Intensity Modulation Response and High-Speed Lasers |
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105 | (3) |
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4.8.3 Simultaneous Intensity and Frequency Modulations |
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108 | (1) |
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4.8.4 Large-Signal Circuit Model |
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109 | (4) |
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113 | (8) |
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113 | (4) |
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4.9.2 Mode-Partition Noise and Mode-Hopping Noise |
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117 | (4) |
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4.9.3 Laser Phase Noise, Spectral Linewidth, and High-Power DFB Lasers |
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121 | (1) |
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4.10 Laser Physics and Structure Affecting Linearity Characteristics |
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121 | (8) |
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4.10.1 Dynamic Nonlinearity in Semiconductor Laser Diodes |
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122 | (2) |
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4.10.2 Static Nonlinearities and Spatial Hole Burning in Semiconductor Laser Diodes |
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124 | (5) |
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4.11 SCM DFB Laser Transmitter Design |
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129 | (3) |
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132 | (1) |
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133 | (5) |
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5 Fundamentals of Optical p-i-n Diodes and Optical Receivers for HFC Systems |
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138 | (22) |
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139 | (7) |
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143 | (3) |
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5.2 Basic Receiver Configurations, Front-End Design, and Related Thermal Noise |
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146 | (6) |
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5.2.1 Basic Configuration |
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146 | (1) |
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5.2.2 Front-End Design and Related Thermal Noise |
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147 | (5) |
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5.3 State-of-the-Art Optical CATV Receiver Design |
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152 | (2) |
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5.4 Carrier-to-Noise Ratio at the Receiver |
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154 | (2) |
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5.5 Bandwidth and Linearity Characterization Techniques for Optical Receivers |
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156 | (1) |
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5.5.1 Bandwidth Measurement Techniques |
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156 | (1) |
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5.5.2 Linearity Measurement Techniques |
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157 | (1) |
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157 | (1) |
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158 | (2) |
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160 | (55) |
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6.1 Rare-Earth-Doped Fiber Amplifiers-EDFAs, PDFFAs, and RFAs |
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162 | (40) |
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6.1.1 Basic EDFA Configuration |
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162 | (1) |
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6.1.2 Energy-Level Diagrams |
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163 | (4) |
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167 | (6) |
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6.1.4 Gain Spectra and Homogeneous Broadening |
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173 | (3) |
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176 | (7) |
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183 | (12) |
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6.1.7 EDFA Gain Dynamics and Linearity |
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195 | (1) |
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6.1.8 Design Considerations for Booster Amplifiers |
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195 | (3) |
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6.1.9 Gain-Flattened EDFAs and Double Rayleigh Backscattering |
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198 | (1) |
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6.1.10 1.3-Mum PDFFA Amplifiers |
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199 | (2) |
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6.1.11 Raman Fiber Amplifiers |
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201 | (1) |
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6.2 Semiconductor Optical Amplifiers |
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202 | (3) |
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205 | (1) |
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206 | (9) |
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7 LiNbO(3) External Modulator-Based CATV Lightwave Transmitter |
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215 | (38) |
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7.1 Basic Material and Fabrication Techniques |
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216 | (1) |
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7.2 Basic Operation Principles of LiNbO(3) Amplitude Modulators |
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217 | (11) |
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7.3 Linearity Characteristics of MZI/BBI, DCM, and Y-Fed Coupler Modulators |
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228 | (4) |
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7.4 Linearization Techniques |
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232 | (11) |
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7.4.1 Electrical Predistortion Technique |
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234 | (5) |
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7.4.2 Optical Dual Parallel Linearization Technique |
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239 | (2) |
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7.4.3 Optical Dual Cascade Linearization Technique |
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241 | (2) |
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7.4.4 Optical Feedforward Linearization Technique |
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243 | (1) |
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7.5 High-Power Optical Sources for External Modulation Systems |
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243 | (2) |
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7.6 Stimulated Brillouin Scattering |
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245 | (3) |
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248 | (1) |
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249 | (4) |
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8 RF Modem Design For HFC Systems |
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253 | (60) |
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8.1 Scrambler/Descrambler |
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254 | (3) |
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257 | (2) |
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8.3 Interleaver/De-interleaver |
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259 | (2) |
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8.4 M-QAM Modem Transmitter Design and General SER Performance |
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261 | (14) |
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8.4.1 Baseband/IF Building Blocks for Analog and Digital Implementations |
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261 | (2) |
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8.4.2 Differential Encoder/Decoder |
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263 | (2) |
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8.4.3 Pulse Shaping Filter |
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265 | (3) |
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8.4.4 Diagnosis via Constellation Diagrams |
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268 | (2) |
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8.4.5 Trellis-Coded Modulation |
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270 | (1) |
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8.4.6 Symbol-Error Rate and Bit-Error Rate of M-QAM Signals with AWGN Noise-without and with FEC Coding |
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271 | (4) |
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8.5 Summary of QAM and VSB Modem Parameters in Various Standards |
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275 | (1) |
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8.6 RF Up-converter and Tuner |
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275 | (3) |
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8.7 M-QAM Receiver Design |
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278 | (15) |
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8.7.1 Adaptive Equalizer Fundamentals and Design |
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278 | (8) |
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286 | (4) |
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290 | (3) |
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293 | (11) |
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8.8.1 N-VSB Modulation Principle |
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294 | (3) |
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8.8.2 ATSC Standard N-VSB Transmitter |
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297 | (3) |
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8.8.3 ATSC Standard N-VSB Receiver |
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300 | (4) |
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8.9 Upstream Physical-Media-Dependent Sublayer Parameters |
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304 | (2) |
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306 | (2) |
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308 | (5) |
Part III Systems and Protocols |
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313 | (125) |
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9 Subcarrier Multiplexed Lightwave System Design Considerations |
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313 | (69) |
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9.1 Overall System Considerations |
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313 | (5) |
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9.1.1 Selection of 1.3 versus 1.55-Mum Sources, Direct versus External Modulation Systems |
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313 | (1) |
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9.1.2 High-Power versus Low-Power Sources, Broadcasting versus Narrowcasting |
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314 | (2) |
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9.1.3 Modulation Formats, AM versus QAM |
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316 | (1) |
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9.1.4 Return-Path Transmissions |
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317 | (1) |
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9.2 Clipping-Induced Nonlinear Distortions |
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318 | (26) |
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9.2.1 Static Clipping and Ultimate AM-VSB Channel Capacity |
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319 | (5) |
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9.2.2 Static Clipping of an Ideal External Modulator and a Linearized Modulator |
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324 | (2) |
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9.2.3 Effect of Static Clipping on Hybrid AM-VSB/QAM SCM Systems |
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326 | (7) |
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9.2.4 Static L-I Curve with a Smoothed Knee, and Dynamically Clipped Laser with Turn-on Delay |
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333 | (3) |
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9.2.5 Strong Static Clipping and the Ultimate Channel Capacity of QAM Signals |
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336 | (8) |
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9.3 Laser Chirp-Induced Impairments |
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344 | (14) |
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9.3.1 Effects of Interferometric Phenomena |
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344 | (10) |
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9.3.2 Effects of Polarization-Dependent Devices |
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354 | (2) |
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9.3.3 Effects of EDFA Gain Tilt |
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356 | (2) |
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9.4 Optical Fiber Dispersion and Laser Chirp-Induced Nonlinear Distortions |
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358 | (3) |
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9.5 WDM Transmissions of SCM Video Channels |
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361 | (3) |
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9.6 Effects of High Input Optical Power in an Optical Link |
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364 | (9) |
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9.6.1 Effects of Stimulated Brillouin Scattering |
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365 | (4) |
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9.6.2 Effects of Stimulated Raman Scattering on WDM-SCM Channels |
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369 | (3) |
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9.6.3 Effects of Self-Phase Modulation |
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372 | (1) |
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373 | (1) |
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374 | (8) |
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10 Wireless Access in HFC Systems |
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382 | (25) |
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10.1 General Historical Background Introduction |
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382 | (4) |
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10.2 Review of Current Cellular/Personal Communication Service (PCS) Systems |
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386 | (1) |
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10.3 Radio Propagation and Operational Background |
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386 | (6) |
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10.3.1 Radio Propagation Background |
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387 | (3) |
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10.3.2 Operational Aspects |
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390 | (2) |
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10.4 Optical Fiber-Based Microcellular/Picocellular Systems |
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392 | (8) |
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10.4.1 Spurious-Free Dynamic Range Considerations |
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392 | (3) |
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10.4.2 Uplink E/O Performances |
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395 | (2) |
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10.4.3 Novel Circuit Techniques to Increase Link Distance |
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397 | (3) |
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10.5 Hybrid-Fiber-Coax-Based Microcellular/Picocellular Systems |
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400 | (3) |
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10.5.1 Coaxial Cable Transmission Characteristics Affecting Wireless Access |
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402 | (1) |
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403 | (1) |
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404 | (3) |
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11 Medium Access Control Protocols in Cable Modems with an Overview of Cable Modem Functionalities |
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407 | (31) |
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11.1 Conventional Random Access Control |
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408 | (6) |
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408 | (2) |
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410 | (1) |
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411 | (1) |
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412 | (2) |
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11.2 Random Access Control for Data-over-Cable |
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414 | (2) |
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11.2.1 Pho-Persistent with Binary Exponential Backoff |
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414 | (1) |
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11.2.2 Ternary Tree Algorithm |
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414 | (2) |
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11.3 Overview of Cable Modem Functionalities and IEEE 802.14/MCNS Standards |
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416 | (11) |
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11.3.1 Common Design Goals |
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418 | (1) |
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11.3.2 Similar Approaches Taken by Both IEEE 802.14 and MCNS |
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419 | (6) |
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11.3.3 Major Differences between 802.14 and MCNS |
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425 | (2) |
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11.4 Overview of Operation Principles in IEEE 802.14 Standard |
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427 | (3) |
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11.4.1 Station Entry Processes |
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428 | (1) |
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11.4.2 Request/Grant Bandwidth Processes |
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429 | (1) |
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11.5 Overview of Operation Principles in MCNS/DOCSIS |
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430 | (6) |
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11.5.1 MAC Frame Formats and Functions |
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430 | (3) |
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11.5.2 Station Entry Processes |
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433 | (2) |
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11.5.3 Request/Grant Bandwidth Process (Using Upstream Bandwidth Allocation MAC) |
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435 | (1) |
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436 | (2) |
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438 | (4) |
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A.1 Linear Binary Block Codes |
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438 | (2) |
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440 | (1) |
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A.3 Nonbinary Reed-Solomon Codes |
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441 | (1) |
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Appendix B Spurious-Free Dynamic Range (SFDR) Quantified Using Two-Tone Intermodulation Products and Total System Noise |
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442 | (5) |
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B.1 Direct Modulation System |
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443 | (1) |
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B.2 External Modulation System |
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444 | (1) |
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445 | (2) |
Index |
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447 | |