ASSISTED SATELLITE TIME AND LOCATION

For assisted satellite time and location (STL) in low earth orbit (LEO) and/or burst transmission-based STL, assistance is provided. Ephemeris information is provided to receivers of signals from LEO satellites, allowing the receivers to operate better in PNT based on the signals from the LEO satell...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUTT, GREGORY, TREMBLAY, FRANCOIS, COBB, H. STEWART, LAWRENCE, DAVID G, O'CONNOR, MICHAEL L
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	For assisted satellite time and location (STL) in low earth orbit (LEO) and/or burst transmission-based STL, assistance is provided. Ephemeris information is provided to receivers of signals from LEO satellites, allowing the receivers to operate better in PNT based on the signals from the LEO satellites. Other information may be used to assist, such as terrestrial-based time and/or location of the receiver. For burst transmissions, the data (e.g., spread code) used for some or all the burst transmission is provided to the receiver, which may then replicate the signal. This replica signal assists in PNT based on the signals from the satellites transmitting the burst signals.