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Autor:
William Walsh, Leigh Torgerson, Damon Landau, David J. Israel, John Baker, Faramaz Davarian, Jay Gao, Richard Hodges, Norman Lay, Sami W. Asmar, Matt Angert
Publikováno v:
IEEE Aerospace and Electronic Systems Magazine. 35:26-40
This article is the second of a three-part series in which we present the results of a study exploring concepts for improving communications and tracking capabilities of deep space SmallSats. In Part I, we discussed SmallSat direct-to-earth links and
Autor:
V. Cerf, Scott Burleigh, Howard Weiss, Kevin Fall, A. Hooke, B. Durst, Keith Scott, Leigh Torgerson
Publikováno v:
IEEE Communications Magazine. 41:128-136
Increasingly, network applications must communicate with counterparts across disparate networking environments characterized by significantly different sets of physical and operational constraints; wide variations in transmission latency are particul
Autor:
J. Leigh Torgerson
Publikováno v:
SpaceOps 2014 Conference.
For nearly a decade, NASA and many researchers in the international community have been developing Internet-like protocols that allow for automated network operations in networks where the individual links between nodes are only sporadically connecte
Publikováno v:
Infotech@Aerospace 2011.
NASA's Space Communications & Navigation Program within the Space Operations Directorate is operating a program to develop and deploy Disruption Tolerant Networking [DTN] technology for a wide variety of mission types by the end of 2011. DTN is an en
Publikováno v:
SpaceOps 2010 Conference.
The first Deep Impact Network Experiment (DINET I) was performed by personnel at the Jet Propulsion Laboratory with the cooperation of the EPOXI project on the Deep Impact (DI) spacecraft. Using nine ground-based computers controlled from the Experim
Publikováno v:
2009 Third IEEE International Conference on Space Mission Challenges for Information Technology.
The Interplanetary Overlay Network (ION) software at JPL is an implementation of Delay/Disruption Tolerant Networking (DTN) which has been proposed as an interplanetary protocol to support space communication. The JPL Deep Impact Network (DINET) is a
Publikováno v:
2009 IEEE Aerospace conference.
Delay/Disruption Tolerant Networking (DTN) promises solutions in solving space communications challenges arising from disconnections as orbiters lose line-of-sight with landers, long propagation delays over interplanetary links, and other phenomena.
Autor:
J. Leigh Torgerson, Jackson Pang, John Segui, Esther Jennings, Joshua Schoolcraft, Christopher Krupiarz
Publikováno v:
SpaceOps 2006 Conference.
NASA's demonstration of the successful transmission of relay data through the orbiting Mars Odyssey, Mars Global Surveyor, and Mars Express by the Mars Exploration Rovers has shown not only the benefit of using a relay satellite for multiple landed a
Publikováno v:
Space OPS 2004 Conference.
Background For more than two decades the international Consultative Committee for Space Data Systems (CCSDS) has developed and promulgated space link standards for the use of the international spacefaring community. Nearly every member of that commun