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Space network time distribution and synchronization protocol development for Mars proximity link

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dc.contributor.author Woo, Simon S.
dc.contributor.author Gao, Jay L.
dc.contributor.author Mills, David
dc.date.accessioned 2015-03-26T22:57:33Z
dc.date.available 2015-03-26T22:57:33Z
dc.date.issued 2010-04-25
dc.identifier.citation SpaceOps Conference 2010, Huntsville, Alabama, April 25-30, 2010 en_US
dc.identifier.clearanceno 10-0908
dc.identifier.uri http://hdl.handle.net/2014/45061
dc.description.abstract Time distribution and synchronization in deep space network are challenging due to long propagation delays, spacecraft movements, and relativistic effects. Further, the Network Time Protocol (NTP) designed for terrestrial networks may not work properly in space. In this work, we consider the time distribution protocol based on time message exchanges similar to Network Time Protocol (NTP). We present the Proximity-1 Space Link Interleaved Time Synchronization (PITS) algorithm that can work with the CCSDS Proximity-1 Space Data Link Protocol. The PITS algorithm provides faster time synchronization via two-way time transfer over proximity links, improves scalability as the number of spacecraft increase, lowers storage space requirement for collecting time samples, and is robust against packet loss and duplication which underlying protocol mechanisms provide. 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, 2010 en_US
dc.subject In Situ Time Distribution en_US
dc.title Space network time distribution and synchronization protocol development for Mars proximity link en_US
dc.type Preprint en_US


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