SCaN
Badri Younes
Deputy Associate Administrator NASA Space Communications and Navigation October 2017
NASA Official Use Only www.nasa.gov
NASA Aeronautics and Space Administration
SCaN Badri Younes Deputy Associate Administrator NASA Space - - PowerPoint PPT Presentation
NASA Aeronautics and Space Administration SCaN Badri Younes Deputy Associate Administrator NASA Space Communications and Navigation October 2017 www.nasa.gov NASA Official Use Only Enabling Human Space Exploration and Science Missions Space
Deputy Associate Administrator NASA Space Communications and Navigation October 2017
NASA Official Use Only www.nasa.gov
NASA Aeronautics and Space Administration
Space Communications and Navigation (SCaN)
Serves as the Program Office for all of NASA’s space communications activities
100+ Missions currently Supported by SCaN 24/7 Global Near Earth and Deep Space Communications and Navigation Services
Develop space communication standards as well as positioning, navigation, and timing policies Represent and negotiate on behalf
matters related to space communications Manage NASA spectrum; represent NASA
international spectrum management forums Develop, operate and manage all NASA space communications capabilities Develop technologies to enable and enhance future mission
Wallops Island, Virgina
Norway
Hartebeesthoek, Africa
Santiago, Chile
Weilheim, Germany
Singapore
USN, Dongara Australia
McMurdo, Antarctica
TrolSat, Antarctica
USN, Hawaii
Launch Range, Florida
Guam Remote Ground Terminal
White Sands Complex, New Mexico
White Sands, NM
Kiruna, Sweden
Tracking Data Relay Satellites (TDRS)
Madrid, Spain
Canberra, Australia
Goldstone, California
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Madrid, Spain
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Svalbard, Norway
Canberra, Australia
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2 NASA Ka-band
Facility
Goldstone, California
First Generation Tracking Data Relay Satellites (TDRS) Second Generation TDRS Third Generation TDRS
Launched Jan 2013 Launched Jan 2014 Launched Aug 2017
Atlas V Atlas V Atlas V STS-70
Launched Apr 1983
STS-26R STS-51L STS - 6 STS-29R STS-54
Failed Jan 1986 Launched Sep 1988 Launched Mar 1989 Launched Aug 1991 Launched Jan 1993 Launched Jul 1995
STS-43
TDRS-C (3)
▪ Disposal 2010 ▪ Failed to achieve
▪ Disposal 2012 ▪ Super-Sync ▪ Storage
TDRS-E (5) TDRS-F (6) TDRS-G (7)
▪ Storage
▪ Active ▪ Active
TDRS-B TDRS-D (4) TDRS-A (1)
▪ Indian Ocean Region ▪ Pacific Ocean Region ▪ Atlantic Ocean Region ▪ Atlantic Ocean Region ▪ Atlantic Ocean Region
TDRS-H (8) Ka-band TDRS-I (9) Ka-band TDRS-J (10) Ka-band
▪ Active
▪ Indian Ocean Region
▪ Active
▪ Atlantic Ocean Region ▪ Pacific Ocean Region
▪ Active
Launched Jun 2000 Launched Mar 2002 Launched Dec 2002
Atlas IIA Atlas IIA Atlas IIA
TDRS-1 TDRS-4 TDRS-9 TDRS-12 TDRS-6 TDRS-3 TDRS-5 TDRS-10 TDRS-8 TDRS-7
GEO Super Sync
TDRS-11
WSC
TDRS-13
TDRS-K (11) Ka-band TDRS-L (12) Ka-band
▪ Pacific Ocean Region
▪ Active ▪ Active
▪ Atlantic Ocean Region
TDRS-M (13) Ka-band
▪ Active
▪ Pacific Ocean Region
Router Optical Links ATM Switch
LEO MEO GEO L2 & Lunar
Other US Government Agencies (OGAs) US Commercial Industry
US Commercial Gateways US - OGA Gateways
NASA/SCaN
NASA/SCaN Gateways
Next Generation High-throughput Ka-band hardware
Wide bandwidth Ka-band systems that spans 20 GHz to 40 GHz
Missions would be able to connect to government and commercial networks that best fit their missions needs
Breaking Ka-band Interoperability Barriers
⨁ NASA Ka-band
Ground Stations
⨁ Other Government/
Commercial Ka-band Ground Stations
⨁ NASA Ka-band
Ground Stations
⨁ NASA TDRS ⨁ Other Government/
Ka-band Relay Satellite
⨁ NASA Mission ⨁ NASA
Exploration Mission
⨁ NASA TDRS ⨁ Commercial
Communication Satellite
⨁ Other Government/
Commercial Ka-band Ground Stations
Combined Ka-band RF and 1550 nanometer optical capability
centimeter telescope operating at 1550 nanometers – “Teletenna” concept
PSK (RF) and PPM (optical)
fusion of data sensors
Technology Under Development
User Spacecraft 3 meter Teletenna
gain
Development Status
with pair of 35cm panels
focal plane assembly
demonstrated (0.5K at detector)
Technology Concept
into a DSN 34m Beam Waveguide antenna
primary spherical mirrors (small loss to RF performance)
correction optics and receiver package behind RF subreflector
Missions Status
SHIM EDU Electrical Integration to Surrogate Plate Optical Module #1 Thermal Vacuum Testing Modem #1 Vibration Testing Optical Module #2 Vibration Testing
payloads onboard Geostationary satellite
test Optical Relay capabilities with Ka-band
under development
Network Awareness
▪ Integrated ground-based weather sensors ▪ Dynamic links switched based on predicted performance ▪ Automatic routing and fusing of ground data
Other Cognitive Technologies
▪ Adaptive coding & modulation ▪ Self-configured links ▪ Reliability-based asset assignment ▪ Integration of cognitive security
RF Network
RF Network Near Earth DTE
Near Earth DTE RF Network Near Earth Relay
Near Earth DTE RF Network Deep Space DTE Near Earth Relay
2019 2019-2021 2022
ILLUMA-T on ISS: 1.244 Gbps Relay User
▪ LEO satellite acquisition and tracking in a GEO relay system (LCRD) ▪ ISS LCRD Earth
Terabyte Delivery System: 200 Gbps Demo
Near Earth
DTE Technologies ▪ 200 Gbps user terminal ▪ 200 Gbps low cost ground station ▪ Space technologies based
▪ CubeSat-sized, low SWaP user terminal ▪ User-site installable ground station: eliminates data backhaul
LCRD: 1.244 Gbps Optical Relay Demo
Near Earth
Relay Technologies ▪ 1.244 Gbps GEO relay two ground stations (2019) ▪ 1.244 Gbps user terminal (2021) ▪ 100 Gbps GEO relay, user & ground station (2023) – Second Gen ▪ Hosted GEO relay payload
STPSat-6; based on LADEE technology ▪ Routing of optical signals in a hybrid environment (RF/optical) ▪ NASA’s first frame-layer switch in space
Discovery Psyche: 125 Mbps Demo
Deep Space
DTE Technologies ▪ Space user terminal for 125 Mbps at 40 Mkm range ▪ 5 meter Optical Ground Station ▪ Deep space optical link ▪ Launch on Discovery 2022 mission ▪ Five (5) meter Palomar telescope
Demonstrations
2019 2019 2021 2022
Technology
2019 2019 2021
2022
ILLUMA-T
User Relay Technology Demonstration
Terabyte Delivery System
Near Earth DTE Demonstration
Near Earth DTE Operational Services
Initially two SCaN operated ground stations; other added incrementally ▪ Scheduling ▪ Ground data buffering and routing ▪ Cognitive algorithms
LCRD
GEO Relay Technology Demonstration
Relay Operational Services
Reuses LCRD and adds two more GEO relay node to the network ▪ Based on LCRD design ▪ Augments near earth DTE network ▪ Cognitive networking in
Discovery Psyche
Deep Space Technology Demonstration
Deep Space Operational Services
Adds deep space class terminals to the architecture ▪ Based on first generation terminals ▪ Ready to support missions starting in 2026
Operational 2025 - 2027 2026 2024
https://www.nasa.gov/SCaN
NASA Official Use Only
SWaP
Lighter 50% less Mass
RF (Ku-band) Optical
25% Less Power Consumption
Smaller, lighter, flight communication systems that require less power cost savings for missions.
RF Comms Payload
Higher Data Rates
Faster 40x more
RF (Ku-band) Optical
200 Gb/sec
5 Gb/sec
Higher bandwidth enables mission data to be downloaded using shorter contact times decreasing the number of relay terminals and ground sites. Low Cost Ground Systems
Flexible
Low-cost-ground segments located at mission sites or data centers lower cost, more direct control, and decreased ground data transport expenses. ▪ 100 Gb/sec ▪ COTS Based Solution
Much smaller beam footprints and receiver fields-of-view increased link security.
Secure
Potential Impact by Other Users
high-altitude platform stations
Region 2
review
for the future development of IMT
band
under WP 5D
under Task Ground (TG) 5/1 World Radio Conference 2019 Agenda Items of Interest to Ka-band