Satellite Communications Payload and System (Hardcover, 2)

· 제목 : Satellite Communications Payload and System (Hardcover, 2) 
· 분류 : 외국도서 > 과학/수학/생태 > 과학 > 파동/파동역학
· ISBN : 9781119384311
· 쪽수 : 720쪽
· 출판일 : 2021-08-10

1 Introduction 2

1.1 End-to-End Satellite Communications System 2

1.2 What the Book Is About 3

1.3 Channel and Channel Sharing 3

1.4 Payload 4

1.5 Ground Transmitter and Ground Receiver 7

1.6 System 8

1.7 Conventions 8

1.8 Book Sources 9

1.9 Summary of Rest of Book 10

References 12

PART I. PAYLOAD 2

2 Payload’s On-Orbit Environment 2

2.1 What Determines Environment 2

2.2 On-Orbit Environment and Mitigation by Spacecraft Bus 8

2.3 General Effects of Mitigated Environment on Payload 19

References 24

3 Antenna Basics and Single-Beam Antenna 2

3.1 Introduction 2

3.2 Examples of Single-Beam Antenna 2

3.3 General Antenna Concepts 3

3.4 Reflector-Antenna Basics 9

3.5 Steerable Single-Beam Antennas 15

3.6 Reflector Technology for Single-Beam Antennas 16

3.7 Horn for Single-Beam Antennas 17

3.8 Other Antenna Components 20

3.9 Antenna Pointing Error 24

3.10 Antenna Autotrack 26

3.11 Reflector-Antenna Inefficiencies 28

3.12 Testing 32

References 35

4 Payload-Integration Elements 2

4.1 Introduction 2

4.2 Coaxial Cable vs. Waveguide 2

4.3 Coaxial Cable 2

4.4 Waveguide 7

4.5 Other Integration Elements 13

4.6 Redundancy Configurations 17

4.7 Impedance Mismatch and Scattering Parameters 21

References 26

5 Microwave Filter 2

5.1 Introduction 2

5.2 Basics of Analog Filters 2

5.3 Basics of Specifically Microwave Filters 7

5.4 Technology for Bandpass Filters 13

5.5 Filter Units 17

5.6 Bandpass Filter Specification 23

References 24

6 Low-Noise Amplifier and Frequency Converter 2

6.1 Introduction 2

6.2 LNAs and Frequency Converters in Payload 2

6.3 Nonlinearity of LNA and Frequency Converter 4

6.4 Noise Figure 8

6.5 Low-Noise Amplifier 8

6.6 Frequency Converter 11

6.7 Receiver 23

6.A Appendix. Formula for Integrating Phase Noise Spectrum 24

References 24

7 Preamplifier and High-Power Amplifier 2

7.1 Introduction 2

7.2 HPA Concepts and Terms 2

7.3 Traveling-Wave Tube Amplifier vs. Solid-State Power Amplifier 7

7.4 Traveling-Wave Tube Subsystem 9

7.5 Solid-State Power Amplifier 26

References 34

8 Payload’s Analog Communications Parameters 2

8.1 Introduction 2

8.2 Gain Variation with Frequency 4

8.3 Phase Variation with Frequency 7

8.4 Channel Bandwidth 9

8.5 Phase Noise 10

8.6 Frequency Stability 10

8.7 Spurious Signals from Frequency Converter 10

8.8 HPA Nonlinearity 11

8.9 Near-Carrier Spurious Signals from HPA Subsystem 12

8.10 Stability of Gain and Power-Out 13

8.11 Equivalent Isotropic Radiated Power 14

8.12 Figure of Merit G/Ts 15

8.13 Saturation Flux Density 17

8.14 Self-Interference 17

8.15 Passive Intermodulation Products 19

8.A Appendices 20

References 21

9 More Analyses for Payload Development 2

9.1 Introduction 2

9.2 How to Deal with Noise Figure 2

9.3 How to Make and Maintain Payload Performance Budgets 4

9.4 HPA Topics 16

9.5 What Nonlinearity Does to Modulated Signal 20

9.6 Simulating Payload Performance as a Function of Gaussian Random Variables 24

References 24

10 Processing Payload and Flexible Payload 2

10.1 Introduction 2

10.2 Processing Operations 7

10.3 Non-Regenerative Processing Payloads 13

10.4 Regenerative Payloads 16

10.5 Communications Parameters of Digital Processing Payload 20

References 20

11 Multi-Beam Antenna and Phased Array 2

11.1 Introduction 2

11.2 MBA Introduction 3

11.3 Reflector for MBA or Contoured Beam and Configuration of Feeds 6

11.4 Horn and Feed Assembly for GEO 11

11.5 Location of Radiating Elements in Offset-Fed Reflector MBA 16

11.6 Single-Feed-Per-Beam MBA 19

11.7 Phased Array Introduction 20

11.8 Radiating Element of Phased Array 23

11.9 Beam-Forming Network 27

11.10 Applications of Phased Array 30

11.11 Beam-Hopping 32

11.12 Amplification of Phased Array 33

11.13 Phased Array Pointing Error 39

11.14 Mutual Coupling in Radiating-Element Cluster 40

11.15 Testing MBA 41

References 42

PART II. END-TO-END SATELLITE COMMUNICATIONS SYSTEM 2

12 Digital Communications Theory 2

12.1 Introduction 2

12.2 Signal Representation 2

12.3 Filtering in General 7

12.4 White Gaussian Noise 8

12.5 End-to-End Communications System 9

12.6 Bit Manipulation 10

12.7 Modulation Introduction 14

12.8 Memoryless Modulation 14

12.9 Maximum-Likelihood Estimation 22

12.10 Demodulation for Memoryless Modulation 23

12.11 Modulation with Memory 32

12.12 Maximum-Likelihood Sequence Estimation 34

12.13 Demodulation for Modulation with Memory 34

12.14 Bit Recovery 35

12.15 Inter-Symbol Interference 36

12.16 SNR, Es/N0, and Eb/N0 39

12.A Appendix. Sketch of Proof That Pulse Transform and Signal Spectrum Are Related for Memoryless Modulation 41

References 42

13 Satellite Communications Standards 2

13.1 Introduction 2

13.2 Background 2

13.3 Application Examples of First-Generation Standards 6

13.4 Second-Generation DVB Communications Standards 8

13.5 Satmode Communications Standard 15

References 16

14 Communications Link 2

14.1 Introduction 2

14.2 Primary Information Sources 2

14.3 Link Availability 3

14.4 Signal Power on Link 4

14.5 Noise Level on Link 18

14.6 Interference on Link 19

14.7 End-to-End C/(N0 + I0) 29

14.8 Link Budget 30

14.9 Implementation Loss Item in Link Budget 32

References 32

15 Probabilistic Treatment of Downlink Margin for Multi-Beam Payload 2

15.1 Introduction 2

15.2 Multi-Beam-Downlink Payload Specifications 2

15.3 Analysis Method 3

15.4 Analysis Assumptions 4

15.5 Repeater-Caused Variation of C and C/Iself and Nominal Value 5

15.6 Combining Antenna-Caused Variation and Nominal Value into Repeater-Caused Variation 11

15.7 Combining Atmosphere-Caused Variation into Payload-Caused Variation 14

15.8 Optimizing Multi-Beam-Downlink Payload Specified on Link Availability 15

15.A Appendix. Iteration Details for Optimizing Multi-Beam Payload Specified on Link Availability 16

16 Model of End-to-End Communications System 2

16.1 Introduction 2

16.2 Considerations for Both Software Simulation and Hardware Emulation 2

16.3 Additional Considerations for Simulation 6

16.4 Additional Considerations for Emulation 15

References 18

PART III. SATELLITE COMMUNICATIONS SYSTEMS 2

17 Fixed and Broadcast Satellite Services 2

17.1 Introduction 2

17.2 Satellite Television 2

17.3 Regulations in General 4

17.4 Fixed Satellite Service 4

17.5 Broadcast Satellite Service 13

References 17

18 High-Throughput Satellites        2

18.1 Introduction 2

18.2 Frequency and Bandwidth 4

18.3 Residential Internet HTS 6

18.4 Commercial Communications HTS 13

References 15

19 Non-Geostationary Satellite Systems 2

19.1 Introduction 2

19.2 Iridium 3

19.3 Globalstar 9

19.5 O3b 14

19.6 OneWeb 21

19.7 Starlink 26

19.8 Telesat LEO 32

References 33

20 Mobile Satellite Systems 2

20.1 Introduction 2

20.2 Thuraya 5

20.3 Inmarsat-4 and Alphasat 12

20.4 TerreStar/EchoStar XXI 27

20.5 SkyTerra 35

20.6 Inmarsat-5 (Global Xpress) F1-F4 44

References 53