This paper describes an earth orbiting Deep Space Relay Satellite System (DSRSS) based on optical direct detection communication for the user spacecraft to DSRS link. The optical direct detection DSRSS is considered as possible augmentation to the Deep Space Network (DSN), after the 70 meter antennas are upgraded to Ka Band near the turn of the century. While development is required, the extrapolation from current technology appears relatively straightforward, and the direct detection system appears capable of exceeding an order of magnitude improvement over the upgraded Ka Band DSN. For example, with a 75 cm aperture on the user spacecraft, the optical direct detection system provides a capability of 1.23 Mbps at Pluto, a 13 dB advantage over the upraded DSN. The direct detection system can also provide 0.83 Mbps with a 60 cm user aperture, an 11 dB improvement.


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    Title :

    Direct detection optical relay satellite for deep-space communication


    Additional title:

    Optischer Relaisatellit mit direkter Detektion für die tiefe Weltraumkommunikation


    Contributors:
    Mecherle, G.S. (author) / Akle, W. (author) / Starkus, C.J. (author) / Klein, J.E. (author)


    Publication date :

    1994


    Size :

    22 Seiten, 14 Bilder, 9 Tabellen, 7 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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