Thales

Pierre-Alexandre Rosset

Mathieu Arnaud

Antonin Hirsch

Khaled Zouitane

A method and device are provided suited to estimating a frequency value for aeronautical communication between a first station and an airborne system moving in relation to the first station, the data being transmitted in the form of a succession of frames, a frame comprising at least one first header field of known data followed by one or more fields of unknown data, and having at least the following steps: Step 1: performance of a supervised correlation on the known data () of the header, and estimation of a first frequency range centered on a frequency; Step 2: production of a blind correlation on at least all of the unknown data of a field of data, by looking for a correlation peak over the frequency range+/&#x2212;, as determined in step 1, and by retaining of the frequency corresponding to the correlation peak.

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Toulouse, France

Pierre-Alexandre Rosset