pdf document Space Mobile Network (SMN) User Demonstration Satellite (SUDS) for a Practical On-Orbit Demonstration of User Initiated Services (UIS)

Harry C. Shaw, David J. Israel, Christopher J. Roberts, Jacob C. Burke, Jin S. Kang, Jeffery T. King

This paper will discuss the various aspects of implementation of the Space Mobile Network (SMN) architecture framework within the context of operations of various nodes equipped with the User Initiated Services (UIS) protocol.
Read more

pdf document Space Mobile Network Concepts for Missions Beyond Low Earth Orbit

David J. Israel, Christopher J. Roberts, Robert M. Morgenstern, Jay L. Gao, Wallace S. Tai

The Space Mobile Network (SMN) is an architectural framework that will allow for quicker, more efficient and more easily available space communications services, providing user spacecraft with an experience similar to that of terrestrial mobile network users.
Read more

pdf document GPS Operations in High Earth Orbit: Recent Experiences and Future Opportunities

Benjamin W. Ashman, Frank H. Bauer, Joel J.K. Parker, Jennifer E. Donaldson

Over the past two decades, spacecraft in Low Earth Orbit (LEO) have significantly benefited from real-time reception of navigation and timing signals from the Global Positioning System (GPS).
Read more

pdf document Update on NASA's Laser Communications Relay Demonstration Project

Bernard L. Edwards, David J. Israel

This paper provides an update on NASA's Laser Communications Relay Demonstration Project (LCRD), a joint project between NASA's Goddard Space Flight Center (GSFC), the Jet Propulsion Laboratory, California Institute of Technology (JPL), and the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL).
Read more

Smallsat communications compatibility test paper 2018 Streamlining Ground Station Network Compatibility Test for Small Satellites

Scott H. Schaire, Steven N. Bundick, Christopher J. Roberts, Leslie L. Ambrose, Jerry L. Mason, Serhat Altunc, Yen F. Wong, Mark R. Lamberson, Joe Baros Jr., Peter B. Celeste

A team of eight subject matter experts at NASA Goddard Space Flight Center (GSFC) completed a Lean Six Sigma project to identify process improvements for the compatibility test process for small satellites planning to use the NASA Near Earth Network (NEN).
Read more

pdf document Education and Outreach at NASA's Goddard Space Flight Center

Harry C. Shaw, Sandra Vilevac, Seema Vithlani

NASA's Space Communications and Navigation (SCaN) Program Office maintains a year-round educational program for undergraduate and graduate students.
Read more

pdf document NASA Space Network Project Operations Management: Past, Present and Future for the Tracking and Data Relay Satellite Constellation

Ted Sobchak, Donald Shinners, Harry Shaw

The NASA Space Network (SN) Operations began with the launch of the first Tracking and Data Relay Satellite (TDRS-1) on April 4, 1983 with on-orbit operations conducted from the White Sands Ground Terminal (WSGT) in Las Cruces, New Mexico.
Read more

pdf document Automated Spacecraft Communications Service Demonstration Using NASA's SCaN Testbed

Dale J. Mortensen, Christopher Roberts, Richard C. Reinhart

The traditional paradigm for space mission operations relies on inefficient, highly scripted pre-planned activities between space communications & navigation service providers and user ground mission operations centers.
Read more

pdf document Update on NASA's Laser Communications Relay Demonstration Project

Bernard L. Edwards, David J. Israel

This paper provides an update on NASA's Laser Communications Relay Demonstration Project (LCRD), a joint project between NASA's Goddard Space Flight Center (GSFC), the Jet Propulsion Laboratory, California Institute of Technology (JPL), and the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL).
Read more

pdf document NASA's Launch Communications Ground Segment for the 21st Century Florida Spaceport

Christopher J. Roberts, David R. McCormick, Robert N. Tye, Eric J. Harris, David L. Carter, John J. Hudiburg, Patricia H. Peskett, Peter B. Celeste, Patricia R. Perrotto

The National Aeronautics and Space Administration (NASA) Near Earth Network (NEN) Project is implementing a new launch communications ground segment to provide services for the next generation of human and robotic space exploration systems.
Read more