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- W2111066809 abstract "Currently, NASA's Space Communications and Navigation program (SCaN) is responsible for three networks: the Space Network (SN), the Near-Earth Network (NEN), and the Deep Space Network (DSN). Though this asset architecture is consistent with current mission requirements it is difficult to predict future trends.1 2 Certain trends in mission requirements and technology development could dramatically influence SCAN's asset architecture. Several of these trends are identified, and qualitative assessments of their effects on architecture are discussed. A quantitative analysis of one architecture change is presented: cross-network asset sharing. Significant opportunities exist for sharing of NEN antennas, particularly in X-band. Results show that existing 11.3-m antennas could meet the requirements of 62 cruise operation segments (Op Segs) at separation distances out to the inner planets. With X-band enhancements, the 18-m antennas could meet requirements of 107 Op Segs. S-band opportunities exist, but the numbers are not significant due to the transition away from S-band by future missions. A few opportunities also exist in the K-bands as more missions transition toward higher frequencies. Issues with frequency compatibility, physical design, scheduling and cost could limit or preclude effective sharing." @default.
- W2111066809 created "2016-06-24" @default.
- W2111066809 creator A5022303809 @default.
- W2111066809 date "2011-03-01" @default.
- W2111066809 modified "2023-10-03" @default.
- W2111066809 title "Influence of mission requirements and technology on NASA SCAN antenna asset architecture: Antenna-Sharing" @default.
- W2111066809 cites W2150492677 @default.
- W2111066809 doi "https://doi.org/10.1109/aero.2011.5747328" @default.
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