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  • 1
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    The NUONCE engine for LEO networks (1995)
    In:  CASI
    Details
    Publication Date: 2004-12-03
    Description: Typical LEO networks use constellations which provide a uniform coverage. However, the demand for telecom service is dynamic and unevenly distributed around the world. We examine a more efficient and cost effective design by matching the satellite coverage with the cyclical demand for service around the world. Our approach is to use a non-uniform satellite distribution for the network. We have named this constellation design NUONCE for Non Uniform Optimal Network Communications Engine.
    Keywords: Communications and Radar
    Type: Proceedings of the Fourth International Mobile Satellite Conference (IMSC 1995); 193-197; NASA-CR-199955
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    TMOD Mission Operations and Communications Services - A Handbook for Preparing Proposals (2000)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: This document is intended to assist in the preparation of proposals in response to Announcements of Opportunity (AO) issued by NASA.
    Keywords: Communications and Radar
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Constellation Coverage Analysis (1997)
    In:  CASI
    Details
    Publication Date: 2019-08-16
    Description: The design of satellite constellations requires an understanding of the dynamic global coverage provided by the constellations. Even for a small constellation with a simple circular orbit propagator, the combinatorial nature of the analysis frequently renders the problem intractable. Particularly for the initial design phase where the orbital parameters are still fluid and undetermined, the coverage information is crucial to evaluate the performance of the constellation design. We have developed a fast and simple algorithm for determining the global constellation coverage dynamically using image processing techniques. This approach provides a fast, powerful and simple method for the analysis of global constellation coverage.
    Keywords: Communications and Radar
    Type: IMSC 1997; 541-545; NASA/CR-97-112595
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Future Planetary Optical Access Links (2011)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: No abstract available
    Keywords: Communications and Radar
    Type: 2011 IEEE International Conference on Space Optical Systems and Applications (ICSOS); May 11, 2011 - May 13, 2011; Santa Monica, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
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