|
W
Wired Equivalent Privacy (WEP), 165
Waveguide cavity filters, 225
X
Waveguide lens antenna, 243
X-band, 33
White noise, 143
XM Satellite Radio, 11, 65
Wideband interfering signals, 144
Wideband receiver, 217–19
Z
WiFi, 80, 165
Zenit, 358
WildBlue, 66, 67
Zero momentum bias, 261
WiMAX, 80
Document Outline - Introduction to Satellite Communication Third Edition
- Contents
- Preface
- C H A P T E R 1 Fundamentals of Satellite Systems
- 1.1 Basic Characteristics of Satellites
- 1.1.1 Advantages of Satellite Communication
- 1.1.2 Use of Microwave Frequencies
- 1.1.3 Digital Transmission, Compression, and Routing
- 1.1.4 Improved Space Platforms and Launching Systems
- 1.1.5 Integration with Terrestrial Wired and Wireless Networks
- 1.2 System Elements
- 1.2.1 Space Segment
- 1.2.2 Ground Segment
- 1.2.3 Overall System
- 1.3 Satellite Orbit Configurations
- 1.4 Frequency Spectrum Allocations
- 1.4.1 ITU Spectrum Allocations and Regions
- 1.4.2 VHF and UHF Frequency Ranges
- 1.4.3 Microwave Bands: L and S
- 1.4.4 Microwave Bands: C, X, and Ku
- 1.4.5 Millimeter Wave and Higher: Ka-, Q-, and V-Bands
- 1.4.6 Guided and Unguided Optical Properties
- References
- C H A P T E R 2 Evolution of Satellite Communication
- 2.1 Source of the Original Idea
- 2.1.1 SYNCOM
- 2.1.2 COMSAT
- 2.2 Evolving Satellite Coverage
- 2.2.1 Global Service: INTELSAT, PanAmSat, and Orion
- 2.2.2 Regional Coverage: EUTELSAT and SES
- 2.2.3 Domestic Systems: Telesat, Westar, and Palapa
- 2.3 Specialized Systems: DTH and Mobile
- 2.3.1 DTH Development
- 2.3.2 MSS Development
- 2.3.3 Digital Information Broadcasting
- 2.4 Expansion at Higher Frequency Bands: Ka-Band
- References
- C H A P T E R 3 Satellite Network Architectures
- 3.1 General Features of Satellite Networks
- 3.1.1 Dedicated Bandwidth Services
- 3.1.2 Circuit-Switched Services
- 3.1.3 Packet-Switched Services
- 3.1.4 Flexibility Features
- 3.1.5 Reliability of Satellites and Links
- 3.1.6 Quality Features and Issues
- 3.2 Point-to-Multipoint (Broadcast) Networks
- 3.2.1 Video Distribution
- 3.2.2 Direct-to-Home Television
- 3.2.3 Content Distribution Networks
- 3.2.4 Mobile Satellite Communications
- 3.3 Point-to-Point Networks
- 3.4 VSAT Networks
- References
- C H A P T E R 4 Microwave Link Engineering
- 4.1 The Decibel
- 4.2 Propagation on the Earth-Space Link
- 4.2.1 Basic Microwave Propagation
- 4.2.2 Isotropic Radiator
- 4.2.3 Directional Properties of Antennas
- 4.2.4 Polarization (Linear and Circular)
- 4.2.5 Propagation Losses
- 4.3 Microwave Transmitters and Receivers
- 4.3.1 Transmitting Station
- 4.3.2 Receiving Station
- 4.3.3 Definition of a Transponder
- 4.4 Overall Link Quality
- 4.4.1 How Noise and Interference Affect a Microwave Link
- 4.4.2 Carrier-to-Noise Ratio
- 4.4.3 Link Budget Analysis
- 4.4.4 Link Margin
- References
- C H A P T E R 5 Modulation, Multiple Access, and Impairments
- 5.1 Digital Baseband Signals and Hierarchies
- 5.1.1 Digital Information Sources and Bandwidth Requirements
- 5.1.2 Analog-to-Digital Conversion
- 5.1.3 Compression
- 5.1.4 Error Detection and Correction
- 5.1.5 Scrambling and Encryption
- 5.2 Digital Modulation
- 5.2.1 Frequency Shift Keying
- 5.2.2 Phase Shift Keying
- 5.2.3 Amplitude and Phase Shift Keying
- 5.3 Multiple Access Methods
- 5.3.1 Frequency Division Multiple Access
- 5.3.2 Time Division Multiple Access
- 5.3.3 ALOHA Packet Multiple Access
- 5.3.4 Code Division Multiple Access
- 5.3.5 RF Bandwidth Utilization in Multiple Access
- 5.4 Distortion and Impairments
- 5.4.1 Digital Signal Impairments
- 5.4.2 Transponder Intermodulation Impairment
- 5.4.3 Uplink and Downlink RF Interference
- References
- C H A P T E R 6 Spacecraft and Repeater
- 6.1 Overview of Communications Spacecraft
- 6.1.1 Overall Payload Requirements
- 6.1.2 Transmit Effective Isotropic Radiated Power (EIRP)
- 6.1.3 Receive Gain-to-Noise Temperature Ratio (G/T)
- 6.1.4 Bent-Pipe Transponder Filtering
- 6.1.5 Linearity
- 6.1.6 Frequency Translation Effects
- 6.2 Analog Bent-Pipe Repeaters
- 6.3 Digital Processing Repeaters
- 6.3.1 Multiple Beam Switching and Routing
- 6.3.2 Digital Processor Architecture
- 6.3.3 Demod-Remod Repeater
- 6.4 Standard Repeater Elements
- 6.4.1 Wideband Receiver
- 6.4.2 Redundancy Switching
- 6.4.3 Waveguide Filters and Multiplexers
- 6.4.4 Traveling Wave Tube Amplifiers
- 6.4.5 Solid-State Power Amplifiers
- 6.4.6 Transponder Gain Control and Linearization
- References
- C H A P T E R 7 Spacecraft Antennas
- 7.1 Horn Antennas
- 7.2 Reflector Antennas
- 7.2.1 Center-Fed Parabolic Reflectors
- 7.2.2 Offset-Fed Parabolic Reflectors
- 7.3 Antenna Patterns
- 7.4 Direct Radiating Array Antennas
- References
- C H A P T E R 8 Spacecraft Mission and Bus Subsystems
- 8.1 Mission Summary
- 8.1.1 GEO Mission Profile
- 8.1.2 On-Station Operation Requirements
- 8.1.3 Non-GEO Requirements
- 8.2 Spacecraft Configuration
- 8.3 Spacecraft Bus Subsystems
- 8.3.1 Attitude-Control Subsystem
- 8.3.2 Solar Cells and Panels
- 8.3.3 Battery Design and Configuration
- 8.3.4 Liquid Propulsion System
- 8.3.5 Electric and Ion Propulsion
- 8.3.6 Solid-Fuel Rocket Motors
- 8.3.7 Tracking, Telemetry, and Command (TT&C)
- 8.3.8 Thermal Control
- 8.3.9 Structural Arrangements
- References
- C H A P T E R 9 Earth Stations and Network Technology
- 9.1 Basic Earth Station Configuration
- 9.2 Performance Requirements
- 9.3 Radio Frequency Equipment
- 9.3.1 Antennas for Earth Stations
- 9.3.2 Antenna Beam Pointing
- 9.3.3 High-Power Amplifiers
- 9.3.4 Upconverters and Downconverters
- 9.3.5 RF Combining
- 9.3.6 Uplink Power Control
- 9.4 Intermediate Frequency and Baseband Equipment
- 9.4.1 Modulators, Demodulators, and Modems
- 9.4.2 Multiplexing and Packet Processing
- 9.5 Tail Links and Terrestrial Interface
- 9.5.1 Terrestrial Tail Options
- 9.5.2 Terrestrial Network Interfaces
- 9.6 Earth Station Facility Design
- 9.7 Major Classes of Earth Stations
- 9.7.1 TT&C Ground Facilities
- 9.7.2 TV Uplinks and Broadcast Centers
- 9.7.3 FDMA Digital Communications Service
- 9.7.4 Full-Mesh TDMA Earth Station
- 9.7.5 VSAT Star Network Terminal
- 9.7.6 TV Receive-Only Design
- 9.7.7 MSS User Terminals
- References
- C H A P T E R 1 0 Launch Vehicles and Services
- 10.1 The Launch Mission
- 10.1.1 The Boost Phase
- 10.1.2 Non-GEO Missions
- 10.1.3 Geostationary Transfer Orbit
- 10.1.4 Drift Orbit for GEO Operation
- 10.1.5 Deployments and In-Orbit Testing
- 10.1.6 RCS Fuel Allocation
- 10.2 Launch Technology and Systems
- 10.3 Typical Launch Vehicles
- 10.3.1 Ariane
- 10.3.2 Atlas
- 10.3.3 Delta
- 10.3.4 H-1 and H-2
- 10.3.5 Long March
- 10.3.6 Proton
- 10.3.7 Zenit
- 10.4 Launch Interfaces
- 10.4.1 Physical Launch Interfaces
- 10.4.2 Management Interfaces
- 10.5 Risk Management in Launch and Operation
- 10.5.1 Launch Insurance
- 10.5.2 Backup and Replacement Satellites
- C H A P T E R 1 1 Satellite Operations and Organization
- 11.1 The Satellite Control System
- 11.2 Intercommunication Networks
- 11.2.1 Backbone Communications
- 11.2.2 Alternate Routing for High Reliability
- 11.2.3 Network Management
- 11.3 Network Operations
- 11.3.1 Standard GEO Transponder Services
- 11.3.2 User Network Monitor and Control
- 11.3.3 Payload Configuration Management
- 11.4 Human Resources for Satellite Operations
- References
- C H A P T E R 1 2 Satellite Systems Engineering and Economics
- 12.1 Satellite Systems Engineering Principles
- 12.1.1 Fixed Satellite Systems and Services
- 12.1.2 Mobile Satellite Systems and Services
- 12.2 Satellite System Economic Principles
- 12.3 System Development Methodology
- 12.4 Space Segment Economics
- 12.4.1 Space Segment Investment Cost Elements
- 12.4.2 Annual Space Segment Costs
- 12.5 Earth Station Economics
- 12.6 Analysis of Network Economics
- 12.6.1 Determining Traffic Requirements
- 12.6.2 Laying Out the Network
- 12.6.3 Total Network Evaluation
- 12.6.4 Optimizing the Space and Ground Segments
- 12.7 Satellite Communications: Instant Infrastructure
- 12.7.1 Satellites Versus Fiber Optics
- 12.7.2 Emphasis on the Broadcast Feature
- 12.7.3 Paralleling the Terrestrial Networks
- 12.7.4 Mobility Enhancements
- 12.7.5 Creating the Future
- 12.7.6 Advancing Technology
- 12.8 Conclusions for the Next Generation
- References
- About the Author
- Index
Do'stlaringiz bilan baham: |
