Tracking-Verfahren und Anordnung zur Durchführung des Verfahrens

摘要

The invention relates to a method for tracking a locally generated spread spectrum sequence for synchronization with a coherent received spread spectrum. Both sequences are corrected at an earlier and a later timing in an early/late interval as regards their synchronization timing, wherein correlation responses are subtracted from each other and the pulse of the locally generated spread spectrum is regulated depending upon the result of said subtraction. Correlations are made on the basis of at least two hierarchically graded regulations having different early/late intervals. The early interval of one regulation having a shorter early/late interval should not occur before the early interval of the other regulation having the next longer early/late interval. Furthermore, the late intervals of one regulation having a shorter early/late interval should not occur later than the late interval of the other regulation having the next longer early/late interval.