Dual airborne imaging system networks were operated using a wireless line-of-sight telemetry system developed as part of a 2002 unmanned aerial vehicle (UAV) imaging mission over the USA s largest coffee plantation on the Hawaiian island of Kauai. A primary mission objective was the evaluation of commercial-off-the-shelf (COTS) 802.11b wireless technology for reduction of payload telemetry costs associated with UAV remote sensing missions. Predeployment tests with a conventional aircraft demonstrated successful wireless broadband connectivity between a rapidly moving airborne imaging local area network (LAN) and a fixed ground station LAN. Subsequently, two separate LANs with imaging payloads, packaged in exterior-mounted pressure pods attached to the underwing of NASA's Pathfinder-Plus UAV, were operated wirelessly by ground-based LANs over independent Ethernet bridges. Digital images were downlinked from the solar-powered aircraft at data rates of 2-6 megabits per second (Mbps) over a range of 6.5 9.5 km. An integrated wide area network enabled payload monitoring and control through the Internet from a range of ca. 4000 km during parts of the mission. The recent advent of 802.11g technology is expected to boost the system data rate by about a factor of five.


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    Titel :

    Wireless Command-and-Control of UAV-Based Imaging LANs


    Beteiligte:
    Herwitz, Stanley (Autor:in) / Dunagan, S. E. (Autor:in) / Sullivan, D. V. (Autor:in) / Slye, R. E. (Autor:in) / Leung, J. G. (Autor:in) / Johnson, L. F. (Autor:in)

    Erscheinungsdatum :

    2006-10-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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