DIFFERENTIAL GLOBAL NAVIGATION SATELLITE SYSTEM (DGNSS) ENHANCEMENT

A terminal position is determined with differential Global Navigation Satellite System (DGNSS) using GNSS signals from a plurality of satellite vehicles and differential corrections generated by a reference station for the GNSS signals and broadcast via a DGNSS server. The use of the differential co...

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Bibliographische Detailangaben
Hauptverfasser:	TANDRA, Arun Kumar Sharma, JAYARAM, Chandrasekhar, ARAVAPALLI, Naveen Kumar
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	A terminal position is determined with differential Global Navigation Satellite System (DGNSS) using GNSS signals from a plurality of satellite vehicles and differential corrections generated by a reference station for the GNSS signals and broadcast via a DGNSS server. The use of the differential corrections for positioning is interrupted when the determined terminal position does not improve with use of the differential corrections. The differential corrections may be interrupted for a period of time so that the terminal no longer receives the broadcast of the differential corrections or so that the differential corrections are not used for position estimation in order to reduce power consumption and reduce processing operations. The DGNSS capabilities of the terminal, such as the supported GNSS constellations and/or frequency bands, may be used by the DGNSS server to select differential corrections to broadcast to the terminal.