METHOD AND APPARATUS FOR COMMUNICATING TELEMETRY DATA BETWEEN AN AIRBORNE VEHICLE AND A GROUND STATION

    公开(公告)号:EP4346119A1

    公开(公告)日:2024-04-03

    申请号:EP22198319.0

    申请日:2022-09-28

    Abstract: The invention relates to a method and apparatus for transmitting telemetry data of an airborne vehicle (10) to a ground station (12), wherein telemetry data is obtained, a telemetry carrier is generated, the telemetry carrier is spread by a spreading factor, and the spread telemetry carrier is periodically broadcast by an antenna (26) of the airborne vehicle (10). The spreading factor depends on the difference in antenna gain of main lobe and first side lobe of the directional antenna (30) of the ground station (12). Further, a method and apparatus for receiving telemetry data of an airborne vehicle (10) by a ground station (12) are provided. The directional antenna (30) of the ground station (12) is rotated stepwise to search for telemetry data broadcast by the airborne vehicle (10). In each step the directional antenna (30) is rotated by a predetermined angle that depends on its side lobe beamwidth.

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