Parametric tradeoffs were performed for candidate technologies to support an orbiting relay satellite for communication with spacecraft in deep-space in the early 21st century. Both RF and optical system architectures were examined with a methodology which equitably compared the performance and attractivness for the deep-space communication mission. Two candidate system architectures based on optical technologies were recommended for more detailed design - a system using coherent detection with an astronomical quality 4 meter telescope, and a system using direct detection with a 10 meter photon bucket telescope. Both of these systems appear capable of providing more than an order of magnitude improvement in communication performance over the DSN after it is upgraded to Ka Band.


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    Title :

    Comparison of radio frequency and optical architectures for deep-space communications via a relay satellite


    Additional title:

    Vergleich zwischen Hochfrequenzarchitekturen und optischen Architekturen für die tiefe Weltraumkommunikation über einen Relaissatelliten


    Contributors:


    Publication date :

    1994


    Size :

    18 Seiten, 12 Bilder, 6 Tabellen, 13 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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