Method for calibrating and commissioning communication satellites using LEO satellites
First Claim
1. A system for calibrating an in-orbit satellite, the system comprising:
- a Geosynchronous (GEO) satellite orbiting in a predetermined GEO orbit and having a predetermined transmission footprint, the GEO satellite is arranged to transmit a GEO satellite signal having predetermined transmitted GEO satellite signal parameters;
a Low Earth Orbiting (LEO) satellite orbiting in a predetermined LEO orbit that crosses the predetermined transmission footprint of the GEO satellite, the LEO satellite is arranged to receive the GEO satellite signal when it crosses the predetermined transmission footprint of the GEO satellite at a predetermined LEO satellite location and to transmit a LEO satellite signal comprising the received GEO satellite signal having specified received GEO satellite signal parameters; and
a control station arranged to receive the LEO satellite signal from the LEO satellite and comprising a processing unit arranged to;
determine a GEO satellite location at which the GEO satellite signal is received by the LEO satellite;
compare the predetermined transmitted GEO satellite signal parameters and the specified received GEO satellite signal parameters; and
determine, based on at least one of the comparison thereof, the GEO location and the predetermined LEO location, a GEO satellite transmission performance at a specific geographical location on ground.
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Accused Products
Abstract
Generally, system and method for calibration an in-orbit satellite are provided. The method may comprise transmitting, by a Geosynchronous (GEO) satellite, a GEO satellite signal and receiving, by a Low Earth Orbiting (LEO) satellite, the GEO satellite signal when the LEO satellite crosses a predetermined transmission footprint of the GEO satellite at a predetermined LEO satellite location. The method may comprise determining, by a base station, a GEO satellite location at which the GEO satellite signal is received by the LEO satellite. The method may comprise comparing, by the base station, the transmitted GEO satellite signal and the received GEO satellite signal and further determining, by the base station, based on at least one of the comparison thereof, the predetermined LEO satellite location and the GEO satellite location, a GEO satellite transmission performance at a specific geographical location on ground.
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Citations
14 Claims
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1. A system for calibrating an in-orbit satellite, the system comprising:
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a Geosynchronous (GEO) satellite orbiting in a predetermined GEO orbit and having a predetermined transmission footprint, the GEO satellite is arranged to transmit a GEO satellite signal having predetermined transmitted GEO satellite signal parameters; a Low Earth Orbiting (LEO) satellite orbiting in a predetermined LEO orbit that crosses the predetermined transmission footprint of the GEO satellite, the LEO satellite is arranged to receive the GEO satellite signal when it crosses the predetermined transmission footprint of the GEO satellite at a predetermined LEO satellite location and to transmit a LEO satellite signal comprising the received GEO satellite signal having specified received GEO satellite signal parameters; and a control station arranged to receive the LEO satellite signal from the LEO satellite and comprising a processing unit arranged to; determine a GEO satellite location at which the GEO satellite signal is received by the LEO satellite; compare the predetermined transmitted GEO satellite signal parameters and the specified received GEO satellite signal parameters; and determine, based on at least one of the comparison thereof, the GEO location and the predetermined LEO location, a GEO satellite transmission performance at a specific geographical location on ground. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of calibrating an in-orbit satellite, the method comprising:
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transmitting, by a Geosynchronous (GEO) satellite, a GEO satellite signal having predetermined transmitted GEO satellite signal parameters; receiving, by a Low Earth Orbiting (LEO) satellite, the GEO satellite signal when the LEO satellite crosses a predetermined transmission footprint of the GEO satellite at a predetermined LEO satellite location, and transmitting, by the LEO satellite, a LEO satellite signal comprising the received GEO satellite signal having specified received GEO satellite signal parameters; receiving, by a base station, the LEO satellite signal; determining, by the base station, a GEO satellite location at which the GEO satellite signal is received by the LEO satellite; comparing, by the base station, the predetermined transmitted GEO satellite signal parameters and the specified received GEO satellite signal parameters; and determining, based on at least one of the comparison thereof, the LEO satellite location and the GEO satellite location, a GEO satellite transmission performance at a specific geographical location on ground. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification