This paper describes the key components for implementing a modern network for intra-satellite communications at the backplane and spacecraft local area network (LAN) levels. The objective network is capable of supporting orders of magnitude more on-board processing than current architectures based on parallel PCI-bus, MIL-STD-1553B and SpaceWire alone. The RADNET family supports the emerging SpaceVPX standard at the backplane level including RapidIO data plane, SpaceWire control plane, and I2C utility plane. RapidIO, SpaceWire and MIL-STD- 1553B are the primary interfaces supported at the spacecraft local area network (LAN) level. Heritage network components are available to support parallel PCI-bus, SpaceWire and MIL-STD-1553B. The latest RADNET components use BAE System's RH45 radiation-hardened by design (RHBD) 45nm silicon-on-insulator (SOI) ASIC library and are manufactured at the IBM Trusted foundry. These include a RapidIO network endpoint, an 18-port, 192-Gb/s RapidIO packet switch, and a 16-by-16-lane, 5-Gbaud per lane physical layer serializer-deserializer (SerDes) crosspoint switch. Network architecture, technical challenges, component architectures, development methodology, implementation, programming and path to flight are discussed.


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    Titel :

    On-board networks with radiation-hardened 45nm SOI standard components


    Beteiligte:
    Rickard, Dale (Autor:in) / Hutcheson, David (Autor:in) / Santee, Steven (Autor:in) / Pirkl, Dan (Autor:in) / Robertson, Jeffrey (Autor:in) / Stanley, Daniel (Autor:in) / Ross, Jason (Autor:in) / Hanley, Mary (Autor:in) / Trippe, Daniel (Autor:in) / Fleming, Patrick (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2015-03-01


    Format / Umfang :

    3432953 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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