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Deep-Space Optical Communications : visions, trends, and prospects

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dc.contributor.author Cesarone, R. J.
dc.contributor.author Abraham, D. S.
dc.contributor.author Shambayati, S.
dc.contributor.author Rush, J.
dc.date.accessioned 2012-05-14T22:33:21Z
dc.date.available 2012-05-14T22:33:21Z
dc.date.issued 2011-05-11
dc.identifier.citation IEEE International conference on Space Optical Systems, Santa Moncia, California, May 11, 2011 en_US
dc.identifier.clearanceno 11-1326
dc.identifier.uri http://hdl.handle.net/2014/42088
dc.description.abstract Current key initiatives in deep-space optical communications are treated in terms of historical context, contemporary trends, and prospects for the future. An architectural perspective focusing on high-level drivers, systems, and related operations concepts is provided. Detailed subsystem and component topics are not addressed. A brief overview of past ideas and architectural concepts sets the stage for current developments. Current requirements that might drive a transition from radio frequencies to optical communications are examined. These drivers include mission demand for data rates and/or data volumes; spectrum to accommodate such data rates; and desired power, mass, and cost benefits. As is typical, benefits come with associated challenges. For optical communications, these include atmospheric effects, link availability, pointing, and background light. The paper describes how NASA’s Space Communication and Navigation Office will respond to the drivers, achieve the benefits, and mitigate the challenges, as documented in its Optical Communications Roadmap. Some nontraditional architectures and operations concepts are advanced in an effort to realize benefits and mitigate challenges as quickly as possible. Radio frequency communications is considered as both a competitor to and a partner with optical communications. The paper concludes with some suggestions for two affordable first steps that can yet evolve into capable architectures that will fulfill the vision inherent in optical communications. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011. en_US
dc.subject deep space optical terminal (DOT) en_US
dc.subject flight laser transceiver en_US
dc.subject data rate en_US
dc.subject Single Optical Site en_US
dc.subject space communication en_US
dc.title Deep-Space Optical Communications : visions, trends, and prospects en_US
dc.type Preprint en_US
dc.subject.NASATaxonomy Space Communications, Spacecraft Communications, Command and Tracking en_US


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