SYSTEM AND METHOD FOR IONOSPHERIC CORRECTION USING PSEUDORANGE AND DOUBLE-DIFFERENCE CARRIER PHASE MEASUREMENT

摘要

An ionosphere correction information generating system according to an embodiment of the present invention includes: a plurality of reference station servers that receive signals from a plurality of satellites and obtain pseudorange measurements and carrier measurements, respectively; And a central processing station server that receives ionization measurements and carrier measurements from the plurality of reference station servers to generate ionospheric correction information, wherein the central processing station server measures the pseudorange-based ionospheric delay measurement and carrier-based ionospheric delay measurement. Combined to generate ionosphere correction information for each location. According to an embodiment, the central processing station may compensate for the inter-frequency bias (IFB) and calculate a smoothed pseudorange-based ionosphere delay measurement and a double-differential carrier-based ionosphere delay measurement from which the unspecified number is removed. By combining these measurements, it is possible to obtain more precise receiver location information by modeling the ionosphere map according to each location (latitude and longitude), and the accuracy of modeling of the ionosphere map in the region outside the map is reduced due to the measurement of low elevation satellites. Technology problems can be solved.