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Review of the Space Communications Program of NASA's Space Operations Mission Directorate (2007) / Chapter Skim
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7 Communications and Navigation Architecture
Pages 51-55

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 51...
... " 2 To do this, NASA is developing 5-year that represent each NASA mission directorate, the Strategic "snapshots" of the space communications architecture that Investment Division of the chief financial officer, and commust evolve from the present Deep Space Network, Space munication networks and the user community, including Network, and Ground Network in order to provide the nec NASA centers. Evidence of the breadth of SCAWG's memessary communication capabilities to support NASA explo bership was confirmed by the committee through its review ration and science programs.
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From page 52...
... The tions while promoting development of components such as SCAWG will have one or more members from GSFC's lu- relay satellites and ground stations consistent with the longnar relay project team, keeping the architecture team up to term communications architecture.
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From page 53...
... could evolve to support the ponents of some of the evolutionary paths include those for long-term communications architecture. One of the elements augmentation of the ground network (more sites, fiber interof that long-term vision is a next-generation Earth relay sat connection)
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From page 54...
... FIGURE 7.3 Lunar relay constellation options considered by the SCAWG. SOURCE: John Rush, "NASA Navigation and Communications Architecture," briefing to the NRC Committee to Review NASA's Space Communications Program, Washington, D.C., January 26-27, 2006, p.
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From page 55...
... networks is too attractive to ignore. Additionally, some portion of NASA's communications Recommendation: NASA's Space Communications Architec- backbone could be provided by DOD systems, including ture Working Group should promote cooperation between TSAT and the Global Information Grid, which could relieve the Jet Propulsion Laboratory and other groups, both within some of NASA's budget pressure while still providing vital NASA and in DOD and academia, that are doing significant communications capability.
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Key Terms

  • navigation architecture
  • communications architecture
  • lunar relay
  • earth relay
  • communications program

  • protocol stack
  • deep space
  • ground network
  • relay satellites
  • architecture vision

  • space networks
  • space network
  • stack solutions
  • evolutionary paths
  • stack software

  • relay satellite
  • john rush
  • packet networks
  • constellation options
  • communication standard

  • jet propulsion
  • packets receive
  • nasa issues
  • chief financial
  • solutions consistent

  • satellite payloads
  • recent lunar
  • exploration missions
  • receive improved
  • network resources


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