Persistent LEO spacecraft communications
First Claim
1. A system comprising:
- a geostationary earth orbit (GEO)-based communication satellite (ComSat) configured to provide a communication link, the communication link being a persistent and on-demand communication link; and
one or more space vehicles configured to communicate with the GEO-based ComSat using the communication link employing a Mobile User Objective System (MUOS) compliant wideband code-division multiple-access (WCDMA) waveform within an ultra-high frequency (UHF) band,wherein;
the one or more space vehicles are configured to travel around the Earth in a Low Earth Orbit (LEO), andeach of the one or more space vehicles includes radio circuitry configured to enable communicating over the UHF band used by the communication link.
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Abstract
A system includes a Mobile User Objective System (MUOS) geostationary earth orbit (GEO)-based communication satellites (ComSat) to provide a persistent and on-demand communication links between multiple LEO space vehicles, their associated air and/or ground users and operations centers. The system further includes one or more LEO space vehicles that can communicate with the GEO-based MUOS ComSats using UHF communication links. Each of the LEO space vehicles includes radio circuitry to enable communicating over an ultra-high frequency (UHF) band used by the MUOS GEO communication link in compliance with the MUOS Wideband Code-Division Multiple-Access WCDMA waveform standard or other user defendable waveforms.
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Citations
20 Claims
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1. A system comprising:
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a geostationary earth orbit (GEO)-based communication satellite (ComSat) configured to provide a communication link, the communication link being a persistent and on-demand communication link; and one or more space vehicles configured to communicate with the GEO-based ComSat using the communication link employing a Mobile User Objective System (MUOS) compliant wideband code-division multiple-access (WCDMA) waveform within an ultra-high frequency (UHF) band, wherein; the one or more space vehicles are configured to travel around the Earth in a Low Earth Orbit (LEO), and each of the one or more space vehicles includes radio circuitry configured to enable communicating over the UHF band used by the communication link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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configuring a Geostationary Earth Orbit (GEO)-based Communication Satellite (ComSat) to provide a communication link, the communication link being a persistent and on-demand communication link; and configuring one or more space vehicles to communicate with the GEO-based ComSat using the communication link employing a Mobile User Objective System (MUOS) compliant wideband code-division multiple-access (WCDMA) waveform within an ultra-high frequency (UHF) band by; providing radio circuitry configured to enable communicating over the UHF band used by the communication link, wherein the one or more space vehicles are enabled to travel around a Low Earth Orbit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A satellite communication system, the system comprising:
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one or more Low Earth Orbit (LEO)-space vehicles configured to communicate with a Geostationary Earth Orbit (GEO)-based Communication Satellite (ComSat) using a persistent and on-demand communication link employing a Mobile User Objective System (MUOS) compliant wideband code-division multiple-access (WCDMA) waveform within an ultra-high frequency (UHF) band; and one or more ground control stations configured to access the one or more LEO space vehicles through an IP access network, wherein; each of the one or more LEO space vehicles includes radio circuitry configured to enable communicating over the UHF band used by the communication link, and the one or more LEO space vehicles are configured to travel around the Earth in an orbit lower than GEO. - View Dependent Claims (19, 20)
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Specification