Femto-satellites are very small satellites that can be deployed in constellations from a larger mothership satellite for distributed measurement. They are too small to accommodate the GNSS receivers that many satellites use for navigation, but they can be located with an electromagnetic beam from the mothership satellite. The mothership satellite scans this beam across a constellation of femto-satellites. When the beam scans across a particular femto-satellite, the femto-satellite transmits an acknowledgement to the mothership satellite, e.g., by retroreflecting the beam or via a separate radio link. The beam can be modulated with commands for the femto-satellite, such as to make a measurement or transmit previously acquired data, as well with commands for determining the femto-satellite's location, such as a time stamp or beam pointing information. The femto-satellite can determine its location from the information modulated onto the beam or transmit the time stamp to the mothership satellite for localization.


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    Titel :

    Localizing, waking-up, and estimating direction of femto-satellites


    Beteiligte:
    CAHOY KERRI (Autor:in) / HAUGHWOUT CHRISTIAN (Autor:in) / SERRA PAUL (Autor:in) / HAN RUONAN (Autor:in) / CHANDRAKASAN ANANTHA (Autor:in)

    Erscheinungsdatum :

    31.12.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G01S RADIO DIRECTION-FINDING , Funkpeilung



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