The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission will launch in late 2013 and, following a 10 month cruise to Mars, will study the upper atmosphere of the planet. In addition to the science instruments, the MAVEN spacecraft is equipped with an Electra UHF transceiver to support relay communication with landed assets. This paper describes how UHF relay service is provisioned by MAVEN. The discussion includes a description of the Electra payload, the process by which relay activities are coordinated and accounted for, the process of a typical relay session, including uplink and downlink, as well as special commands to calibrate and verify relay performance. The operational processes for providing these services are inherited largely from prior Mars missions and take advantage of existing infrastructure and lessons learned from those missions. Preliminary data volume return capabilities using adaptive data rates and low-density parity check channel coding are presented.


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    Title :

    MAVEN relay operations concept


    Contributors:
    Chamberlain, N. (author) / Gladden, R. (author) / Bruvold, K. (author)


    Publication date :

    2012-03-01


    Size :

    718407 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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