Badri Younes, Deputy Associate Administrator for Space Communications and Navigation Goddard Contractors Association February 17, 2016 The Future of NASA’s.

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Badri Younes, Deputy Associate Administrator for Space Communications and Navigation Goddard Contractors Association February 17, 2016 The Future of NASA’s Space Communications

SCaN is Responsible for all NASA Space Communications Responsible for Agency-wide operations, management, and development of all NASA space communications capabilities and enabling technology. Expand SCaN capabilities to enable and enhance robotic and human exploration. Manage spectrum and represent NASA on national and international spectrum management programs. Develop space communication standards as well as Positioning, Navigation, and Timing (PNT) policy. Represent and negotiate on behalf of NASA on all matters related to space telecommunications in coordination with the appropriate offices and flight mission directorates. 2

NASA Networks Span the Globe 3

NASA’s Journey to Mars SCaN’s path for enabling the human exploration of Mars has already started – The Space Network provides 24x7 communication and tracking services to the International Space Station, including its experiments – The Space Network provided continuous communications and tracking services to Orion during its inaugural flight in December – Launch Communications Stations: multi-user ground stations using NASA and US Air Force stations and cooperative agreements currently under construction – Building capabilities to support EM1 and EM2, as well as the Asteroid Redirect Mission – Evolving far less burdensome, but more capable Comm. and Nav. Technology – SCaN is developing capabilities (optical communications) that will allow humans on Mars to communicate at a high data rate with the ground stations on Earth SCaN will be there to enable NASA journeys to Mars and to ensure that humans are sent and returned safely Internal NASA Use Only, Pre-decisional4

NISN MOCs CSO MCC Mars Venus Mercury Sun Jupiter Saturn Titan Pluto Charon Neptune Uranus Antenna Array LADEE Microwave LinksOptical LinksCommunications Service Office (CSO) Lunar Relay Payload (potential) SCaN CSME Deep Space Optical Relay Pathfinder Lunar Relay Satellite 2015 Add: Initial standard services and interfaces Disruption Tolerant Networking (DTN) on ISS Initial deep space antenna array Lunar optical pathfinder (LADEE ) Replenish Tracking and Data Relay Satellite (TDRS) fleet (K, L) Add: Replenish TDRS Fleet (M) Laser Communications Relay Demo (LCRD) Single customer services interface (CSME) Increased microwave link data rates Initial network operations with DTN SN conversion to digital signal processing Lunar relay payload (potential) 2023 Add: Initial optical capability Mars orbiter with optical demo 2025 Add: Space internetworking throughout solar system Retire 70 meter subnet Integrated Network Complete conversion to digital signal processing SCaN Services Provide: Integrated service-based architecture Space internetworking (DTN and Internet Protocol) Enhanced international interoperability Sustained network capabilities Infused new technology such as optical comm Completed deep space array Version 6/2015 Laser Comm Relay Demo 5

LADEE "Dial up" LRO "Wireless" Lasercomm "Broadband " LLCD used: Half the mass 25% less power While sending 6x more data than radio… LLCD used: Half the mass 25% less power While sending 6x more data than radio… 6

Laser Communication Relay Demonstration (LCRD) Mission for Joint Space Technology Mission Directorate/ SCaN Mission Commercial spacecraft host Two to five years of mission operations Flight Payload – Two LLCD-heritage Optical Modules and Controller Electronics Modules – Two Differential Phase Shift Keying (DPSK) Modems with 2.88 Gbps data rate – New High Speed Electronics to interconnect the two terminals – RFI for “Guest Investigators” revealed significant commercial interest Key for Next-Gen TDRS (or equivalent) in 2024 timeframe 7

New Technologies 8 Deep Space Atomic Clock Precise navigation with radio communication is key in determining a spacecraft's location in deep space, but the clocks tend to drift over time. DSAC is 100X more stable than current space clocks Smaller and less range error than other space clocks Perform year-long demonstration in space around mid-2016 Cognitive Radios After technology is launched into space, it’s difficult to make modifications or upgrades from the ground. Cognitive systems sense, detect, classify, and adapt to time-varying communication environment to optimize data throughput. On orbit testing around 2017 Disruption Tolerant Networking Communicating in the space environment is not as direct as here on Earth and involves a lot of outages and stops. Designed to work in environments where end-to-end paths may not be available Testing on various platforms since 2008

Summary SCaN’s path for enabling the human exploration of Mars has already started In order to get humans to Mars, new technologies need to be developed and space communications systems upgraded. 9

NASA NASA Space Communications and Navigation Facebook: NASASCaN National Aeronautics and Space Administration 10