首页|'Mitigating Errors In Gnss With Upward Facing Sensor' in Patent Application Appr oval Process (USPTO 20240168175)
'Mitigating Errors In Gnss With Upward Facing Sensor' in Patent Application Appr oval Process (USPTO 20240168175)
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The following quote was obtained by the news editors from the background informa tion supplied by the inventors: “The present invention relates generally to loca tion determination using a global navigation satellite system (GNSS) and in part icular to mitigating errors in satellite location. “Global navigation satellite systems (GNSS) include various constellations of sa tellites orbiting the earth. Examples include the Global Positioning System (GPS ) (operated by the United States), GLONASS (operated by Russia), Galileo (operat ed by the European Space Agency), and BeiDou (operated by China). Each satellite emits signals that include satellite identifiers, ephemeris data (indicative of the location and health of the satellite), and timestamps. A GNSS receiver unit can receive signals from multiple satellites in one or more constellations and use the timestamps to determine the propagation delay time from the satellite to the receiver. Given signals from at least three or four satellites (depending o n the particular receiver design), a location (typically expressed as a set of c oordinates that can include a latitude, a longitude, and/or an altitude), can be triangulated. Signals from more than a minimum number of satellites can be used to improve accuracy of the location.
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