Name: ND SatCom SKYWAN IDU 7000
Brand: ND SatCom
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2 General Carrier Design23

Outdoor Unit and Satellite Link Design77

Introduction77
- Select Satellite Transponder77
- Figure 3-1 Steps for Outdoor Unit and Satellite Link Design77
- Calculate Link Budget78
- Perform Optimization78
Satellite Beam Footprints78
- Figure 3-2 SES World Skies NSS-7 Satellite Wide Beam Footprints78
- Figure 3-3 SES World Skies NSS-7 Satellite Spot Beam Footprint79
- Satellite Choice Considerations79
Fundamentals of Link Budget Calculation80
- Uplink and Downlink80
- Equivalent Isotropic Radiated Power (EIRP) and Antenna Gain80
- Figure 3-4 Up- and Downlink Link Budget80
- Path Loss81
- Saturation Flux Density (SFD)81
- Noise, Figure of Merit G/T and Signal-To-Noise Ratio Eb/No81
- Satellite Link Quality Dependencies81
- Power Equivalent Bandwidth82
- Table 3-1 Eb/No Values for Different FEC Coding and Modulations82
- Table 3-2 Carrier Power and Bandwidth for TDMA Structure Example82
- Rain Fade83
- Table 3-3 Relation between Modulation, Coding and Carrier PEB83
- Rain Margin and Uplink Power Control84
- Figure 3-5 ITU-T Rainzones Europe and North-Africa84
- Figure 3-6 Attenuation under Maximum Rain Fade Condition85
- Figure 3-7 Power Conditions with Constant Power Level85
Considerations for Skywan ® Link Budget Calculations86
Network Topology86
Figure 3-8 Power Conditions with Uplink Power Control86
Downlink Optimization87
Figure 3-9 Downlink Considerations87
Uplink Optimization88
Figure 3-10 Uplink Considerations88
Skywan89
- Link Budget Calculation Tool89
Satellite Data Worksheets (Ku- and C-Band)90
Figure 3-11 Link Budget Tool - Satellite Data Worksheet(S)90
Antenna Data Worksheets (Ku- and C-Band)91
Figure 3-12 Link Budget Tool - Antenna Data Worksheet(S)91
Figure 3-13 Link Budget Tool - C-Band Antenna Data91
Stations Worksheet92
- Use Pre-Defined Network Data92
- Specify Network Data92
- Figure 3-14 Link Budget Tool - Station Worksheet92
- Output Back-Off93
- Figure 3-15 Link Budget Tool - Define Network93
- Stations with 2 Demodulator Boards94
- Table 3-4 Output Back-Off SSPA94
- Figure 3-16 Link Budget Tool - Station with 2 Demodulators94
Tx Amplifier Worksheet95
Figure 3-17 Link Budget Tool - Txamp Worksheet95
Summary Worksheet96
- Input96
- Figure 3-18 Link Budget Tool - Summary Worksheet Input96
- Output97
- Figure 3-19 Link Budget Tool - Summary Worksheet Uplink97
- Figure 3-20 Link Budget Tool - Summary Worksheet Downlinks97
- Figure 3-21 Link Budget Tool - Summary Worksheet Up- and Downlinks98
- Optional Link Filter for Complex Topologies99
Required Settings for MRB-DUB Networks99
- Figure 3-22 Link Budget Tool - Summary Worksheet Complex Filter99
- Figure 3-23 MRB-Dub Network Overview100
- Figure 3-24 MRB-DUB Network - Satellite Data100
- Figure 3-25 MRB-DUB Network - Transponder in Stations Sheet100
- Transponder Data100
- Figure 3-26 MRB DUB Network - Hub Stations101
- Figure 3-27 MRB DUB Network - ULA1 Stations101
- Hub Stations101
- Uplink Area 1 (ULA1)101
- Carrier Topology102
- Figure 3-28 MRB DUB Network - ULA2 Stations102
- Figure 3-29 MRB DUB Network - Summary Topology102
- Uplink Area 2 (ULA2)102
- Figure 3-30 MRB DUB Network - Link Calculations ULA1103
- Figure 3-31 MRB DUB Network - Link Calculations ULA2103
- Link Calculations103
Link Budget Examples104
Scenario 1: Ku-Band 5 Stations Fully Meshed104
- Figure 3-32 Scenario 1 - Uplink Footprint104
- Figure 3-33 Scenario 1 - Downlink Footprint104
- Antenna Data105
- Figure 3-34 Scenario 1 - Ku-Band Transponder Data105
- Figure 3-35 Scenario 1 - Ku-Band Antenna Data105
- Optimizations105
- Satellite Transponder Data105
- Table 3-5 Scenarion 1 - 2 Carrier Solution Requirements105
- Figure 3-36 Scenarion 1 - 2 Carrier Solution Stations106
- Table 3-6 Scenario 1 - Carrier Coding and Bandwidth106
- Table 3-7 Scenario 1 - Summarized Power Requirements106
- Conclusion107
- Link Budget Calculation Result Analysis107
Scenario 2: Ku-Band 5 Stations Star Network with 2 Hubs107
- Compare Scenarios108
- Optimization108
- Table 3-8 Scenario 2 - Carrier Coding and Bandwidth108
- Table 3-9 Scenario 2 - Summarized Power Requirements108
- Conclusion109
- Table 3-10 Scenario 2 - Optimized Carrier Coding and Bandwidth109
- Table 3-11 Scenario 2 - Optimized Power Requirements109
Scenario 3: Ku-Band 5 Stations Star Network with 3 Hubs110

4 Data Networking111

Summary and Design Implementation135

Appendix A - What's New in this Manual137

Appendix B - Abbreviations139

Appendix C - Glossary145

Appendix D - Install TDMA Calculator Standalone Tool151

Brand	ND SatCom
Model	SKYWAN IDU 7000
Category	Modem
Language	English

ND SatCom SKYWAN IDU 7000 User Manual

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ND SatCom SKYWAN IDU 7000 Specifications