GENERALIZED-ADVANCED REGION CORRELATOR HOPPLING METHOD BASED ON A CODE TRACKING METHOD OF A GENERAL NAVIGATION SATELLITE SYSTEM, CAPABLE OF MINIMIZING DISTORTION DUE TO RECEPTION DELAY

摘要

PURPOSE: A generalized-advanced region correlator hopping method based on a code tracking method of general navigation satellite system is minimize distortion due to a multipath signal by tracking a code using a correlation value of an advanced region correlator.;CONSTITUTION: A preset hopping accumulated coefficient is initialized to 0 to track a code synchronization offset according to an input signal(S10). The hopping accumulated coefficient is calculated by comparing a diffusion signal autocorrelation value of the preset receiver with an advanced correlation value(S20). The added hopping accumulated coefficient is outputted to a hopping offset by adding the calculated hopping accumulated coefficient(S30). A code synchronization offset is hopped by determining whether the outputted hopping offset is positive or negative(S40). If the advanced correlation value exceeds the autocorrelation value, the hopping accumulated coefficient is increased. If the advanced correlation value is less than the autocorrelation value, the hopping accumulated coefficient is decreased.;COPYRIGHT KIPO 2010