Chapter 1 Introduction 1.1 A Brief History of Satellite Communications 1.1.1 International Activities 1.1.2 Domestic Activities 1.2 Characteristics of Satellite Communications 1.3 System Elements 1.3.1 Space Segment 1.3.2 Ground Segment 1.4 Satellite Elements 1.4.1 Communication Subsystem 1.4.2 Antennas Subsystem 1.4.3 Attitude and Orbit Control Subsystem 1.4.4 Telemetry, Tracking, Command and Monitoring Subsystem 1.4.5 Power Subsystem 1.5 Types of Satellite Orbit 1.5.1 Low Earth Orbit (LEO) 1.5.2 Medium Earth Orbit (MEO) 1.5.3 High Earth Orbit (HEO) 1.5.4 Geostationary Earth Orbit (GEO) 1.6 Use of Frequencies 1.7 Summary References Problems
Chapter 2 Orbital Mechanics 2.1 Orbital Theory 2.1.1 Equations of Satellite's Orbit 2.1.2 Kepler's Three Laws of Planetary Motion 2.1.3 Orbit of a Satellite 2.1.4 Determining the Satellite Location in the Orbit 2.1.5 Orbital Elements 2.2 Determining Look Angle 2.2.1 The Subsatellite Point 2.2.2 Elevation Angle Calculation 2.2.3 Azimuth Angle Calculation 2.2.4 Specialization to Geostationary Satellites 2.2.5 Visibility Test 2.3 Orbital Perturbations 2.3.1 Longitudinal Changes: Effects of the Earth's Oblateness 2.3.2 Inclination Changes: Effects of the Sun and the Moon 2.4 Orbital Determination 2.5 Orbital Effects in Communications Systems Performance 2.5.1 Doppler Shift 2.5.2 Range Variations 2.6 Summary References Problems
Chapter 3 Earth Stations 3.1 Earth Station Elements 3.2 Site Selection and Layout of Earth Stations 3.2.1 Site Selection of Earth Stations 3.2.2 Layout of Earth Stations 3.3 Earth Stations and Ground Antennas 3.3.1 Antennas for Fixed Satellite Services 3.3.2 Antennas for Broadcast Satellite Services 3.3.3 Antennas for Mobile Satellite Services 3.3.4 Antennas for Store and Forward (Machine to Machine Service) 3.3.5 Antennas for TTC&M 3.4 Summary References
Chapter4 Satellite Link Design 4.1 Introduction 4.2 Basic Transmission Theory 4.3 System Noise Temperature and G/T Ratio 4.3.1 Noise Temperature 4.3.2 Calculation of System Noise Temperatures 4.3.3 Noise Figure and Noise Temperature 4.3.4 G/T Ratio for Earth Stations 4.4 Link Design 4.4.1 Design of Downlinks 4.4.2 Design of Uplinks 4.5 Summary References Problems
Chapter 7 Satellite Navigation and Positioning System 7.1 Introduction 7.2 Transit Navigation Satellite System 7.2.1 System Reliability and Availability 7.2.2 Constellation 7.2.3 Spacecraft 7.2.4 Ground System 7.3 GPS Navigation and Positioning System 7.3.1 GPS Signals 7.3.2 Modernized GPS 7.4 GLONASS Navigation and Positioning System 7.5 Galileo Navigation and Positioning System 7.5.1 Galileo Segment 7.5.2 Frequencies and Signals 7.5.3 Services 7.6 Beidou Navigation and Positioning System 7.7 Summary References
Chapter 8 Satellite Emergency Communication System 8.1 Introduction 8.2 Characteristics and Construction Principles 8.2.1 Characteristics of Emergency Communication 8.2.2 Construction Principles 8.3 Communication System 8.3.1 Analysis of Satellite Emergency Communication System 8.3.2 Selection of Satellite Emergency Communication System 8.4 Disaster Management and Response 8.4.1 Disaster Management Cycle 8.4.2 Disaster Response 8.5 Disaster Management and Information and Communication Technology 8.6 Satellite-Assisted Disaster Management 8.7 Emergency Information Dissemination: Systems and Protocols 8.7.1 Examples of Existing Alerting Systems 8.7.2 Satcom/Satnav Systems for Emergency Information Delivery 8.7.3 Message Format for Exchanging Emergency Alerts 8.7.4 Alert Message Transmission Protocols 8.7.5 Satellite Systems and Protocols Comparison 8.8 Summary References
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