Eutelsat S a

Julien Blancher

François Triquet

Matthieu Thiebaut

A compression method for the storing and transmission of a plurality of pieces of data by a non-geostationary satellite to a ground-based station, the compression method including encoding the pieces of data in a predefined frame format, the encoding including creating a frame including at least one global header including at least one parameter field, the parameter field including a reference value of a parameter, upon receiving at least one piece of data of the plurality of pieces of data, adding at least one data packet to the frame, the data packet including: a packet header including at least one delta parameter field, the delta parameter field including the difference value between the value of the parameter for the received piece of data and the reference value of the parameter of the global header, a data payload including at least part of the received piece of data.

Method for the compression of data collected by a LEO satellite from a plurality of IoT devices and the transmission to a base station and associated system

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ISSY-LES-MOULINEAUX, France

Julien Blancher