Ground Station Design and Analysis for LEO Satellites: Analytical, Experimental and Simulation Approach
- Length: 240 pages
- Edition: 1
- Language: English
- Publisher: Wiley-IEEE Press
- Publication Date: 2022-11-08
- ISBN-10: 1119899257
- ISBN-13: 9781119899259
- Sales Rank: #808625 (See Top 100 Books)
Satellites in Low Earth Orbits (LEO) have very wide applications for scientific missions, including but not limited to remote sensing of oceans, analyses of Earth’s climate changes, mapping, Earth’s imagery with high resolution, navigation, management of Earth’s resources, astronomy, military, agriculture, and extreme events affecting the world’s population. The most convenient structures for such use are low Earth orbit satellites, since they fly closer to the Earth compared to the other orbits, and consequently provide significantly lower latency, which is essential for reliable and safe communications, and ground stations must be established in order to communicate with such missions.
In this book, the author consolidates over twenty years of research, including mathematical analysis, experiments and simulations to provide a guide to ground station performance evaluation at any worldwide LEO station. By focusing on four key components – ideas, methodology, results and conclusions – this innovative tutorial approach offers an advanced level guide to ground station design.
Cover Series Page Title Page Copyright Page Dedication Page Preface Acknowledgments 1 LEO Satellite Ground Station Design Concepts 1.1 An Overview of LEO Satellites 1.2 Satellite System Architecture 1.3 The Satellite Ground Station 1.4 Ground Station Subsystems 1.5 Downlink Budget 1.6 Figure of Merit and System Noise Temperature 1.7 Satellite and Ground Station Geometry 1.8 LEO MOST Satellite and Ground Stations References 2 Rain Attenuation 2.1 Rain Attenuation Concepts 2.2 Rain Attenuation for LEO Satellite Ground Station 2.3 Rain Attenuation Modeling for LEO Satellite Ground Station References 3 Downlink Performance 3.1 Downlink Performance Definition 3.2 Composite Noise Temperature at LEO Satellite Ground Station 3.3 Antenna Noise Temperature at LEO Satellite Ground Station 3.4 Downlink Performance – Figure of Merit 3.5 Downlink Performance: Signal‐to‐Noise Ratio (S/N) 3.6 Downlink and Uplink Antenna Separation 3.7 Desensibilization by Uplink Signal at LEO Satellite Ground Station 3.8 Downlink and Uplink Frequency Isolation 3.9 Sun Noise Measurement at LEO Satellite Ground Station References 4 Horizon Plane and Communication Duration 4.1 LEO Satellite Tracking Principles 4.2 Ideal Horizon Plane and Communication Duration with LEO Satellites 4.3 The Range and Horizon Plane Simulation for Ground Stations of LEO Satellites 4.4 Practical Horizon Plane for LEO Ground Stations 4.5 Real Communication Duration and Designed Horizon Plane Determination 4.6 Ideal and Designed Horizon Plane Relation in Space 4.7 Savings on Transmit Power through Designed Horizon Plane at LEO Satellite Ground Stations 4.8 Elevation Impact on Signal‐to‐Noise Density Ratio for LEO Satellite Ground Stations References 5 LEO Coverage 5.1 LEO Coverage Concept 5.2 LEO Coverage Geometry 5.3 The Coverage of LEO Satellites at Low Elevation 5.4 Coverage Belt 5.5 LEO Global Coverage 5.6 Constellation's Coverage – Starlink Case 5.7 Handover‐Takeover Process: Geometrical Interpretation and Confirmation References 6 LEOs Sun Synchronization 6.1 Orbital Sun Synchronization Concept 6.2 Orbital Nodal Regression 6.3 LEO Sun Synchronization and Inclination Window 6.4 Perigee Deviation under Inclination Window for Sun‐Synchronized LEOs References 7 Launching Process 7.1 Introduction to the Launching Process 7.2 Injection Velocity and Apogee Simulation from Low Earth Orbits 7.3 Hohmann Coplanar Transfer from Low Earth Orbits 7.4 The GEO Altitude Attainment and Inclination Alignment References 8 LEO Satellites for Search and Rescue Services 8.1 Introduction to LEO Satellites for Search and Rescue Services 8.2 SARSAT System 8.3 Doppler Shift 8.4 Local User Terminal (LUT) Simulation for LEO Satellites 8.5 Missed Passes for SARSAT System 8.6 LEOSAR Versus MEOSAR References 9 Interference Aspects 9.1 General Interference Aspects 9.2 Intermodulation Products 9.3 Intermodulation by Uplink Signal at LEO Satellite Ground Stations 9.4 Modeling of Interference Caused by Uplink Signal for LEO Satellite Ground Stations 9.5 Downlink Adjacent Interference for LEO Satellites 9.6 Adjacent Satellites Interference (Identification/Avoiding) 9.7 Modulation Index Application for Downlink Interference Identification 9.8 Uplink Interference Identification for LEO Search and Rescue Satellites References 10 Two More Challenges 10.1 Introduction to the Two Challenges 10.2 Downlink Free Space Loss Compensation 10.3 Horizon Plane Width: New Parameter for LEO Satellite Ground Station Geometry References 11 Closing Remarks References Index End User License Agreement
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