GNSS receiver with synchronization to external timescale

GNSS receiver with synchronization to external timescale

GNSS timing receiver with synchronization of raw GNSS measurements to an external timescale. Synchronization is achieved by using a hardware Time Interval Measurement Unit (TIMU). The TIMU measures time intervals between two pulse signals and makes additional processing of these measurements. The fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TYCHINSKIY, SERGEY IVANOVICH, VASILYUK, NIKOLAY NIKOLAEVICH, LEBEDINSKY, ALEXEY STANISLAVOVICH, DORONIN, ALEXANDR VLADIMIROVICH, VEITSEL, ANDREY VLADIMIROVICH, EBAUER, KONSTANTIN VIKTOROVICH
Format: Patent
Sprache:eng
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
HOROLOGY
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
TIME-INTERVAL MEASURING
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Beschreibung
Zusammenfassung:GNSS timing receiver with synchronization of raw GNSS measurements to an external timescale. Synchronization is achieved by using a hardware Time Interval Measurement Unit (TIMU). The TIMU measures time intervals between two pulse signals and makes additional processing of these measurements. The first pulse signal is generated inside the GNSS receiver. The second pulse signal is the external pulse signal generated by an external time reference device. This time interval is used to control the time instant when the output GNSS measurement will be taken. In the first embodiment all actual GNSS measurements are physically taken at time instants indicated by external pulse signal. These measurements are used as output GNSS measurements. In another embodiment all actual GNSS measurements are taken at their default time instants indicated by internal pulse signal. But output GNSS measurements are calculated at the time instants indicated by the external pulse signal.