HIGH-ACCURACY DIFFERENTIAL CORRECTION SYSTEM FOR CONTROLLING MOVABLE OBJECTS Russian patent published in 2020 - IPC G01C21/26 G01S19/41 

FIELD: radio engineering and communications.

SUBSTANCE: invention relates to radio engineering and can be used in traffic control systems to improve accuracy and continuous determination of coordinates of mobile objects. High-precision differential correction system for monitoring mobile objects includes a decentralized network of reference stations and a set of user receivers of satellite radio navigation systems of mobile objects. Reference stations represent a network of fifty-nine stations of the wide-zone system of differential correction and monitoring – the system of SDCM and are equipped with two-frequency receivers of medium-orbit satellite radio navigation systems, forming high-accuracy corrections taking into account ionospheric and tropospheric errors transmitted over narrow-band channels through at least one geostationary or low-orbit communication satellite. User receivers of satellite radio navigation systems for mobile objects provide for estimation of coordinates proceeding from intrinsic coarse coordinates and differential corrections of three nearest stations of wide-zone differential correction and monitoring system – SDCM system.

EFFECT: proposed invention represents further improvement of differential correction systems and is aimed at providing high-precision differential correction on the largest possible territory at the distance of the order of several thousand kilometers to the nearest reference station, that is solving the technical problem actual in the operation of positioning systems in the Russian Federation.

1 cl, 1 dwg