Algorithm of reducing the time of resolving phase ambiguities of multi-antenna global navigation satellite system by using priori information

Abstract

Multi-antenna GNSS are widely used in various industries, it consists of three or more L1 GPS receivers. This system provides the high accuracy of relative coordinates determination (centimeter accuracy). The main drawback of this system is a long start period because of the need of resolving phase ambiguities. Analysis of the resolving was held and the method of reducing start time was proposed. It includes Ratio test and search of all candidates of LAMBDA method with a priory limitation and reduces the time the threefold.