Abstract
This article discusses coordinate measurement errors in short-range pseudolite navigation systems. An analysis of the components of the measurement error of radio navigating parameters has been performed; the geometric factor values have been calculated for various variants of constructing the system. The peculiarities of measuring the spatial orientation of objects using interferometric methods in on-ground short-range navigation systems have been ascertained.
Highlights
Modern traffic control systems – especially air and water traffic control systems – are challenged by the significant increase in the density of this traffic
Conclusion we have demonstrated that ground-based navigation systems, containing pseudolites, are capable of significantly increasing the accuracy of measuring planemetric coordinates if compared to conventional global navigation satellite systems (GNSS): the error is reduced from 12 to 0.4 m
In order to measure the spatial orientation of an object using a pseudolite-based system, it is necessary to arrange the receiver antenna system is such a manner that the vector-base is positioned vertically or inclined
Summary
Modern traffic control systems – especially air and water traffic control systems – are challenged by the significant increase in the density of this traffic. In these circumstances modern high-precision positioning systems based on radio navigation are introduced at an ever-growing rate Despite their increasing popularity, global navigation satellite systems (GNSS) are rarely used for autonomous navigating maintenance activities such as providing flight support services in the vicinity of aerodromes, supporting flight for unmanned aerial vehicles, assisting vessels in navigating in coastal waters and rivers, providing geodetic, cartographic and special services. For ground-based short-range navigation systems based on pseudolites using GLONASS signals the magnitude of the hardware pseudorange measurement error will be approximately equal to a similar error in the GNSS: it will be approximately 1.5 m [2]. The coordinate positioning error is described by a covariance matrix
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