IMPROVING THE POSITIONING QUALITY OF GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVERS

IMPROVING THE POSITIONING QUALITY OF GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVERS

A navigation receiver operating in a differential navigation mode can change from one solution type to another. At each epoch, primary estimates of coordinates and the solution type are received. Each solution type has a corresponding accuracy. To improve the positioning quality when the solution ty...

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Hauptverfasser: VEITSEL, Andrey Vladimirovich, PLENKIN, Andrey Valerievich, NIKITIN, Dmitry Pavlovich, ZHODZISHSKY, Mark Isaakovich, VEITSEL, Vladimir Viktorovich, VEITSEL, Victor Abramovich
Format: Patent
Sprache:eng ; fre ; ger
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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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creator VEITSEL, Andrey Vladimirovich
PLENKIN, Andrey Valerievich
NIKITIN, Dmitry Pavlovich
ZHODZISHSKY, Mark Isaakovich
VEITSEL, Vladimir Viktorovich
VEITSEL, Victor Abramovich
description A navigation receiver operating in a differential navigation mode can change from one solution type to another. At each epoch, primary estimates of coordinates and the solution type are received. Each solution type has a corresponding accuracy. To improve the positioning quality when the solution type changes, smoothed estimates of coordinates are generated according to a two-branch algorithm. Two conditions are evaluated. If both conditions are satisfied, the current-epoch smoothed estimates of coordinates are set equal to the current-epoch extended estimates of coordinates calculated from the sum of the previous smoothed estimates of coordinates and coordinate increments calculated from carrier phases. If at least one of the conditions is not satisfied, updated smoothed estimates of coordinates are generated based on the sum of the current-epoch extended estimates of coordinates and a correction signal.
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subjects 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
title IMPROVING THE POSITIONING QUALITY OF GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVERS
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