卫星通信：英文版

内容简介

　　本书是普通高等教育“十五”国家级规划教材之一。本教材的主要对象是通信工程、计算机通信以及信息工程等专业的本科高年级学生，也可作为跨专业学生和工程技术人员的参考书。本书是一本介绍卫星通信原理、技术和系统的基础性教材，包括卫星移动通信的内容，同时对卫星通信系统中的因特网业务及宽带综合业务的特殊问题和技术进行了讨论。书中还列举了当前正在运行的一些典型的卫星通信系统。TimothyPratt：弗吉尼亚技术学院电气与计算机工程系教授。他在英国伯明翰大学获得电气工程硕士与博士学位，并在英国及美国教授通信课程。其研究领域包括卫星通信、定位以及航空电子设备等；此外，他也是IEEE高级会员及IEE（London）的会员。本书是关于卫星通信的一本最新且权威的著作。全书共分为11章，4个附录，内容涉及轨道力学与发射台、人造卫星、人造卫星链路设计、卫星链路的调制与多路技术、多路存取、数字卫星链路误差控制、传播效果及其对卫星地球链路的影响、VSAT系统、低地球轨道与非同步卫星系统、直接广播卫星电视与无线电通信、卫星导航与全球定位系统等。全书内容结构合理，反映了卫星通信的前沿技术。？勺魑笞ㄔ盒５缙こ套ㄒ笛慕滩模部勺魑喙匮芯咳嗽奔肮こ碳际跞嗽钡牟慰际椤？

作者简介

　　TimothyPratt：弗吉尼亚技术学院电气与计算机工程系教授。他在英国伯明翰大学获得电气工程硕士与博士学位，并在英国及美国教授通信课程。其研究领域包括卫星通信、定位以及航空电子设备等；此外，他也是IEEE高级会员及IEE（London）的会员。

图书目录

1.    Introduction
1.1   Background
1.2   A Brief History of Satellite Communications
1.3   Satellite Communications in 2000
1.4   Overview of Satellite Communications
1.5   Summary
References
2.    Orbital Mechanics and Launchers
2.1   Orbital Mechanics
        Developing the Equations of the Orbit
        Kepler's Three Laws of Planetary Motion
        Describing the Orbit of a Satellite
        Locating the Satellite in the Orbit
        Locating the Satellite with Respect to the Earth
        Orbital Elements
        Example 2.1.1 Geostationary Satellite Orbit Radius
        Example 2.1.2 Low Earth Orbit
        Example 2.1.3 Elliptical Orbit
2.2    Look Angle Determination
        The Subsatellite Point
        Elevation Angle Calculation
        Azimuth Angle Calculation
        Specialization to Geostationary Satellites
        Visibility Test
        Example 2.2.1 Geostationary Satellite Look Angles
2.3    Orbital Perturbations
        Longitudinal Changes: Effects of the Earth's Oblateness
        Inclination Changes: Effects of the Sun and the Moon
        Example 2.3.1 Drift with a Geostationary Satellit
2.4    Orbit Determination
2.5    Launches and Launch Vehicles
        Expendable Launch Vehicles (ELVs)
        Placing Satellites into Geostationary Orbit
2.6    Orbital Effects in Communications Systems Performance
        Doppler Shift
        Example 2.6.1 Doppler Shift for a LEO Satellite
        Range Variations
        Solar Eclipse
        Sun Transit Outage
2.7   Summary
References
Problems
3.    Satellites
3.1   Satellite Subsystems
         Attitude and Orbit Control System (AOCS)
         Telemetry, Tracking, Command and Monitoring (TTC&M)
         Power System
         Communications Subsystems
         Satellite Antennas
3.2   Attitude and Orbit Control System (AOCS)
         Attitude Control System
         Orbit Control System
3.3   Telemetry, Tracking, Command, and Monitoring
         Telemetry and Monitoring System
         Tracking
         Command
3.4   Power Systems
3.5   Communications Subsystems
         Description of the Communications System
         Transponders
3.6   Satellite Antennas
         Basic Antenna Types and Relationships
         Example 3.6.1  Global Beam Antenna
         Example 3.6.2  Regional Coverage Antenna
         Satellite Antennas in Practice
3.7   Equipment Reliability and Space Qualification
         Space Qualification
         Reliability
         Redundancy
3.8   Summary
References
Problems
4.    Satellite Link Design
4.1   Introduction
4.2   Basic Transmission Theory
        Example 4.2.1
        Example 4.2.2
4.3   System Noise Temperature and G/T Ratio
        Noise Temperature
        Calculation of System Noise Temperature
        Example 4.3.1
        Example 4.3.2
        Noise Figure and Noise Temperature
        Example 4.3.3
        G/T Ratio for Earth Stations
        Example 4.3.4
4.4   Design of Downlinks
        Link Budgets
        Link Budget Example: C-Band Downlink for Earth Coverage Beam
4.5   Satellite Systems Using Small Earth Stations
        Direct Broadcast TV
        Example 4.5.1
4.6   Uplink Design
        Example 4.6.1
4.7   Design for Specified C/N: Combining C/N and C/I Values in Satellite Links
        Example 4.7.1
        Overall (C/N)o with Uplink and Downlink Attenuation
        Uplink and Downlink Attenuation in Rain
        Uplink Attenuation and (C/N)up
         Downlink Attenuation and (C/N)dn
         System Design for Specific Performance
         Satellite Communication Link Design Procedure
4.8   System Design Examples
         System Design Example 4.8.1
         Ku Band Uplink Design
         Ku Band Downlink Design
         Rain Effects at Ku Band
         Summary of Ku Band Link Performance
         System Design Example 4.8.2 Personal Communication System Using
           Low Earth Orbit Satellites
         Inbound Link: Mobile Terminal to Gateway Station
         Mobile Terminal to Satellite Link
         Satellite to Gateway Station Link
         Outbound Link
         Downlink C/N Budget
         Optimizing System Performance
         Link Margins with FEC
         Rain Attenuation at Ku Band
         Path Blockage at L-Band
         Summary of L-band Mobile PCS System Performance
4.9   Summary
References
Problems
5.    Modulation and Multiplexing Techniques for Satellite Links
5.1    Frequency Modulation
         Waveform Equation for FM
         Bandwidth of FM Signals: Carson's Rule
         Baseband S/N Ratio for FM Signals
         Pre-emphasis and de-emphasis
         Pre-emphasis
5.2   Analog FM Transmission by Satellite
         Television Signals
         S/N Ratios for FM Video Transmission
         Example 5.2.1
         FM Threshold
         SCPC FM Links
         Example 5.2.2
         Data Transmission Using Analog FM Channels
        Example 5.2.3
5.3   Digital Transmission
        Baseband Digital Signals
        Baseband Transmission of Digital Data
        Band-pass Transmission of Digita Data
        Example 5.3.1
        Example 5.3.2
        Transmission of QPSK Signals through a Bandlimited Channel
        Example 5.3.3
        Example 5.3.3
5.4   Digital Modulation and Demodulation
        Terminology
        Modulation and Coding
        Bit and Symbol Error Rates
        Binary Phase Shift Keying (BPSK)
        Probability of a Symbol Error
        BPSK Bit Error Rate
        QPSK Bit Error Rate
        Example 5.4.1
        Example 5.4.2
        Generation of Quadrature Phase Shift Keying (QPSK) Signals
        QPSK Variants
5.5   Digital Transmission of Analog Signals
        Sampling and Quantizing
        Nonuniform Quantization: Compression and Expansion
        Signal-to-Noise Ratio in Digital Voice Systems
        Digital Television
5.6   Time Division Multiplexing
        TDM Terminology: The U.S. T1 24-Channel System
        Other TDM Systems
        Channel Synchronization in TDM
5.7   Summary
References
Problems
6.   Multiple Access
6.1   Introduction
6.2   Frequency Division Multiple Access (FDMA)
        Intermodulation
        Intermodulation Example
        Calculation of C/N with Intermodulation
        Example 6.2.1 Power Sharing in FDMA
        Example 6.2.2 Channel Capacity with Demand Access FDMA
6.3   Time Division Multiple Access (TDMA)
       Bits, Symbols, and Channels
       TDMA Frame Structure
         Example 6.3.1 TDMA in a Fixed Station Network
         Reference Burst and Preamble
         Unique Word
         Guard Times
         Synchronization in TDMA Networks
         Transmitter Power in TDMA Networks
         Example 6.3.2 TDMA in a VSAT Network
         Example 6.3.2 TDMA in a Fixed Earth Station Network
         Satellite Switched TDMA
6.4   Onboard Processing
         Baseband Processing Transponders
         Satellite Switched TDMA with Onboard Processing
6.5   Demand Access Multiple Access (DAMA)
         Example 6.5.1 FDMA-SCPC-DA
6.6   Random Access
6.7   Packet Radio Systems and Protocols
6.8   Code Division Multiple Access (CDMA)
         Spread Spectrum Transmission and Reception
         DS-SS CDMA Capacity
         Example 6.8.1 CDMA in a Fixed Earth Station Network
         Example 6.8.2 CDMA in an LEO Satellite Network
         Example 6.8.3 GPS
6.9   Summary
References
Problems
7.    Error Control for Digital Satellite Links
7.1   Error Detection and Correction
7.2   Channel Capacity
7.3   Error Control Coding
         Example 7.3.1
         Linear and Cyclic Block Codes
         Golay Codes
7.4   Performance of Block Error Correction Codes
7.5   Convolutional Codes
7.6   Implementation of Error Detection on Satellite Links
         Example 7.6.1
7.7   Concatenated Coding and Interleaving
7.8   Turbo Codes
7.9   Summary
References
Problems
8.    Propagation Effects and their Impact on Satellite-Earth Links
8.1   Introduction
8.2   Quantifying Attenuation and Depolarization
        Example 8.2.1
8.3   Propagation Effects that Are Not Associated with Hydrometeors
         Atmospheric Absorption
        Cloud Attenuation
        Tropospheric Scintillation and Low Angle Fading
        Faraday Rotation in the Atmosphere
        Ionospheric Scintillations
8.4   Rain and Ice Effects
        Characterizing Rain
        Rain Climate Maps
        Rainfall Rate Exceedance Contour Maps
        Raindrop Distributions
8.5   Prediction of Rain Attenuation
        Example 8.5.1
        Example 8.5.2
        Calculation of Long-Term Statistics for NGSO Systems
        Scaling Attenuation with Elevation Angle and Frequency
        Cosecant Law
        Example 8.5.3
        Squared Frequency Scaling Law
        Example 8.5.4
        ITU-R Long-Term Frequency Scaling of Rain Attenuation
8.6   Prediction of XPD
        Canting Angle
        Tilt Angle
        Example 8.6.1
        Example 8.6.2
        Ice Crystal Depolarization
        Rain Effects on Antenna Noise
        Example 8.6.3
8.7   Propagation Impairment Countermeasures
        Attenuation
        Power Control
        Signal Processing
        Diversity
        Depolarization
8.8   Summary
References
Problems
9.    VSAT SYSTEMS
9.1   Introduction
9.2   Overview of VSAT Systems
9.3   Network Architectures
        One-Way Implementation
        Split-Two-Way (Split IP) Implementation
        Two-Way Implementation
9.4   Access Control Protocols
        Delay Considerations
9.5   Basic Techniques
        Multiple Access Selection
        Signal Formats
        Modulation, Coding, and Interference Issues
9.6   VSAT Earth Station Engineering
         Antennas
         Transmitters and Receivers
9.7   Calculation of Link Margins for a VSAT Star Network
9.8   System Design Procedure: Example 9.1
         Description of System
         System Parameters
         Preliminary Calculations
         Link C/N Ratios
         Inbound Links
         Inbound Links with 270 Channels
         Outbound Links
         System Analysis
9.9   Some New Developments
9.10  Summary
References
Problems
10.    Low Earth Orbit and Non-Geostationary Satellite Systems
10.1   Introduction
10.2   Orbit Considerations
         Equatorial Orbits
         Inclined Orbits
         Elliptical Orbits
         Molniya Orbit
         Radiation Effects
         Sun Synchronous Orbit
10.3   Coverage and Frequency Considerations
         General Aspects
         Frequency band
         Elevation Angle Considerations
         Number of Beams per Coverage
         Off-Axis Scanning
         Determination of Optimum Orbital Altitude
         Radiation Safety and Satellite Telephones
         Projected NGSO System Customer Service Base
10.4   Delay and Throughput Considerations
10.5   System Considerations
         Incremental Growth
         Interim Operations
         Replenishment Options
         End-to-End System Implementation
10.6   Operational NGSO Constellation Designs
         Ellipso
         Globalstar
         New ICO
         Iridium
         Orbcomm
         Skybridge
         Teledesic
         Example 10.6.1 System Design
10.7   Summary
References
Problems
11.    Direct Broadcast Satellite Television and Radio
11.1   C-Band and Ku-Band Home Satellite TV
11.2  Digital DBS TV
11.3   DBS-TV System Design
11.4   DBS-TV Link Budget
11.5   Error Control in Digital DBS-TV
11.6   Master Control Station and Uplink
11.7   Installation of DBS-TV Antennas
11.8   Satellite Radio Broadcasting
11.9   Summary
References
12.    Satellite Navigation and the Global Positioning System
12.1   Introduction
12.2   Radio and Satellite Navigation
12.3   GPS Position Location Principles
        Position Location in GPS
        GPS Time
12.4   GPS Receivers and Codes
        The C/A Code
12.5   Satellite Signal Acquisition
12.6   GPS Navigation Message
12.7   GPS Signal Levels
12.8   Timing Accuracy
12.9   GPS Receiver Operation
12.10  GPS C/A Code Accuracy Dilution of Precision: HDOP, VDOP, and GDOP
12.11  Differential GPS
12.12  Summary
References
Problems
Appendix A  Decibels in Communications Engineering
Appendix B  FDM/FM/FDMA Analog Telephone Transmission
                   Baseband Voice Signal
                   Voice Signal Multiplexing
                   Frequency Modulation with Multiplexed Telephone Signals
                   Bandwidth Calculation for FDM/FM Telephone Signals
                  Telephone Performance Specifications
                   Practical Examples
                  Example B. 1
                   Example B.2
                   References
Appendix C  Complementary Error Function erfc(x) and Q Function Q(z)
                   Equivalence Formulas and Tables of Values
                   References
Appendix D  The Simple Attenuation Model
                   Example D. 1
                   References
Glossary
Index