CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Characteristics of the SRS earth station emissions
        2.1     In-band characteristics
        2.2     Out-of-band characteristics
 3     Assumed characteristics for the HIBLEO-2/Ka system
        3.1     Non-GSO-to-non-GSO ISL characteristics of HIBLEO-2 type system
        3.2     Antenna characteristics of HIBLEO-2 type system
        3.3     Protection criteria
 4     Summary of analysis methodology and results
        4.1     Summary for Study 1
        4.2     Summary for Study 2
        4.3     Summary for Study 3
        4.4     Summary for Study 4
        4.5     Summary for Study 5
        4.6     Summary for Study 6
       4.7      Summary for Study 7
 5     Comparison of study results
Annex 1  Summary of Study 1
 1     System descriptions
        1.1     SRS (Earth-to-space) system characteristics
        1.2     HIBLEO-2 ISS (s-s) characteristics
 2     Interference assessment
 3     Interference protection criteria
 4     Interference analysis
        4.1     Step-by-step simulation
        4.2     Simulation assessment of interference
 5     Simulation results
 6     Conclusion
Annex 2  Summary of Study 2
 1     System characteristics
        1.1     SRS earth station and mission satellite characteristics
        1.2     HIBLEO-2 system characteristics
 2     Analysis method and results
        2.1     Configuration for computer simulation
        2.2     In-band sharing study
        2.3     Out-of-band sharing study
 3     Conclusions
Annex 3  Summary of Study 3
 1     Characteristics of potential SRS systems
 2     Assumed characteristics for the HIBLEO-2/Ka system
 3     Assessment of interference to the HIBLEO-2/Ka satellite system
        3.1     In-band assessment of interference to HIBLEO-Ka satellite system
        3.2     Out-of-band assessment of interference to HIBLEO-2 satellite system
 4     Summary and technical discussions
 5     Conclusions
Annex 4  Summary of Study 4
 1     HIBLEO-2 ISL characteristics
 2     SRS earth station characteristics
 3     Simulation and results
 4     Conclusion
Annex 5   Summary of Study 5
 1     Introduction
 2     Interference scenario of the space research service transmissions to the Moon into space-to-space links of the inter-satellite service
        2.1     The Earth
        2.2     The near-Earth satellite constellation
        2.3     Maximum PSD, dB(W/Hz), interference allowed by HIBLEO-2 inter-satellite links
                  2.3.1     Sun effects conclusions
        2.4     The Moon
 3     SRS ES interference into HIBLEO-2 forward-links – The simulation
        3.1     Omnidirectional transmissions; SRS ES antenna gain limits in the forward-links scenario
        3.2     HIBLEO-2 antenna gain limits in the forward-links scenario
        3.3     Optimum time increment (Δt) for simulations of the forward-links scenario
        3.4     Long-term interference of SRS ES transmissions into HIBLEO-2 constellation
        3.5     Availability of forward-links
 4     SRS ES interference into HIBLEO-2 cross-links – The simulation
        4.1     Omnidirectional transmissions; SRS ES antenna gain limits in the cross-links scenario
        4.2     Long-term interference of SRS ES transmissions into the cross-links of the HIBLEO-2 constellation
                  4.2.1     Availability of cross-links
        4.3     Part I conclusions
 5     Introduction
 6     Interference events on the Moon scenario as a function of I/N0
        6.1     Worst-case full constellation availability of HIBLEO-2 forward-links under SRS ES transmissions to the Moon
                  6.1.1     “Per-link” interference for forward-links
                  6.1.2     Contour antenna pattern and the length of simulations
        6.2     Part II, Moon scenario, conclusions
Annex 6  Summary of Study 6
 1     Introduction
 2     Interference calculations
 3     Numerical results
        3.1     Scenario 1
       3.2      Scenario 2
       3.3      Scenario 3
        3.4     Scenario 4
        3.5     Scenario 5
        3.6     Effect of the SRS earth station antenna size
                  3.6.1     Scenario 1 – 10 m SRS antenna size
                  3.6.2     Scenario 2 – 10 m SRS antenna size
        3.7     Effect of the number of SRS earth stations
                  3.7.1     Scenario 4 – 15 SRS earth stations
 4     Conclusion
Annex 7  Summary of Study 7
 1     Analysis methodology
        1.1     In-band
        1.2     Out-of-band
 2     Results for sharing with space stations in the inter-satellite service
        2.1     Statistical interference to a non-GSO-to-non-GSO inter-satellite links – HIBLEO-2 type system
        2.2     In-band case
        2.3     Out-of-band case
 3     Verification results
        3.1     In-band case
        3.2     Out-of-band cases
        3.3     Verification summary
 4     Conclusions