Artech House Space Technology and Applications Series High-Throughput Satellites 1 Contents 8 Preface 12 1 Introduction 16 References 18 2 The Communication Mission Requirements 20 2.1 Overview 20 2.2 The Service Area 20 2.3 Spectrum 25 2.3.1 User Spectrum 26 2.3.2 Gateway Spectrum 29 2.4 Capacity 33 2.5 Effective Isotropic Radiated Power (EIRP) and Receive Figure of Merit 34 2.6 Channelization 39 References 41 3 Specific Communication Mission Requirements 44 3.1 Overview 44 3.2 Aeronautical Services 45 3.2.1 The Market 45 3.2.2 The Service Area 46 3.2.3 The Terminal 50 3.3 Maritime Services 53 3.3.1 The Market 53 3.3.2 The Service Area 54 3.3.3 Terminals 55 3.4 Governmental Services 1 3.5 IoT 60 References 64 4 The Evolution of the Current HTS Payload Architectures 68 4.1 Overview 68 4.2 Classical Payloads 69 4.3 Current HTS Payloads 73 4.4 System Aspects/Trade-Offs 78 4.4.1 Color Schemes: Frequency, Antennas 78 4.4.2 Beam Size Versus System Complexity 83 References 89 5 HTS System Analysis: The Forward Link 90 5.1 Overview 90 5.2 The Antenna 91 5.3 The User EIRP Model 95 5.4 The Forward Downlink Interference Model 103 5.5 Other Impairments 109 5.6 ACM 110 5.7 The Forward Link Budget 114 References 117 6 HTS System Analysis: The Return Link 118 6.1 Overview 118 6.2 The Antenna 119 6.3 The User G/T Model 121 6.4 The Return Uplink Interference Model 124 6.5 Access Scheme 142 6.6 The Return Link Budget 146 References 150 7 Current GEO HTS Systems 152 7.1 Introduction 152 7.2 The European Telecommunications Satellite Organization (Eutelsat) HTS Systems 153 7.2.1 KA-SAT 154 7.2.2 Eutelsat 36C/Express AMU1 156 7.2.3 Eutelsat 65WA 158 7.2.4 Eutelsat 172B 159 7.2.5 Konnect 161 7.2.6 Future HTSs 164 7.3 The Viasat Satellites 164 7.4 The Jupiter Satellites 168 7.5 Global Xpress 171 7.6 Sky Muster 174 7.7 The SES HTS Satellites 176 7.8 The International Telecommunications Satellite Organization (Intelsat) EpicNG Satellites 180 References 183 8 Non-Geostationary Systems 190 8.1 Introduction 190 8.2 Orbits 190 8.3 The HTS Link Budget 194 8.4 The Constellation 203 8.5 Current Constellations 209 References 216 9 HTS Systems in the 5G Ecosystem 220 9.1 Introduction 220 9.2 1G, 2G, 3G, 4G 220 9.3 5G 223 9.4 What Role Can HTS Play? 228 References 235 10 The Evolving Broadband Satellite Environment 238 10.1 Introduction 238 10.2 The Digital Payload 239 10.2.1 Active Antennas 243 10.2.2 Active Elements 247 10.2.3 Digital Processing 251 10.3 Generic Elements 254 10.4 Payload RF Power Efficiency 255 10.5 The LEO-GEO Debate 257 References 264 About the Author 266 Satellites;,Communications;,Space,technology;,Artech,House;,978-1-63081-825-8 Satellites,Communications,Space technology,Artech House,978-1-63081-825-8
