Algorithm for Separating GNSS Signals into Components

Abstract

A method of digital processing of global positioning system navigation signal is proposed. It allows to separate evaluation of spectral and energy characteristics of signal components. Main advantages of the method is: increasing a dynamic range by more than 10 dB, separation of navigation signal components under conditions of a priori information absence about a generating polynomial. The method is based on extracting the spreading sequences of a navigational signal by the method of quadrature heterodyning with filtration of components of one quadrature and subsequent correlation processing of an initial signal.