Opportunistic Multiple Spacecraft Per Antenna(OMSPA),maybe particularly suited to smallsats. In the concept for this technique, smallsats within the scheduled ground antenna beam of some other spacecraft, make opportunistic use of that spacecraft’s beam by transmitting “open-loop” to a recorder associated with the antenna. These transmissions get captured on the recorder and can be later retrieved, demodulated, and decoded so that the smallsats can recover their data – all without them having to schedule the antenna itself and compete with larger missions for antenna time. Widespread use of such a technique could lead to more efficient use of receiver antenna resources and result in a dramatic increase in downlink throughput. An opportunity to demonstrate the technique occurred in May 2018, when the Mars CubeSat One (MarCO) mission, consisting of two nanospacecraft (MarCO-A & B) launched alongside InSight, a NASA Mars lander mission.


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    Title :

    InSight/MarCO Opportunistic Multiple Spacecraft Per Antenna (OMSPA) demonstration



    Publication date :

    2019-03-02


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English



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