1. No category

LLCD Accomplishments –
No Issues with
Atmospheric Effects like
Fading and Turbulence
Transmitting Data at
77 Mbps
< 5° above the
horizon
LLCD Accomplishments – Streaming
HD Video and Delivering Useful
Scientific Data from LADEE to Earth
Real LADEE Science Data
and Telemetry
Transmitted via LLCD
Link resumes /
“lost bundles” received
Link Outage
Good Link and bundle delivery
Disruption-Tolerant Networking (DTN) Demo on LLCD
Delivers File “Bundles” after Brief Cloud Outage
3
UNCLASSIFIED
SCaN’s Laser Communications Program:
Next Steps
DEEP SPACE OPTICAL
COMMUNICATIONS
Deep-Space Optical Communications (DSOC) from Mars
Overview, Capabilities and Footprint
Spacecraft
Flight Laser
Transceiver
(FLT)
4W, 22 cm dia.
1550 nm
Beacon & Uplink
1030 nm
292 kb/s
@ 0.4 AU
CBE MASS (kg)
28
Mass margin (%)
30
CBE POWER (W)
76
Power Margin (%)
31
Optical Head: 45 x 45 x 49 cm
Performance using 4W average laser power w/22 cm
flight transceiver to 5m ground telescope
(95E3 cc)
Elect. Box: 29 x 23 x 23 cm
(15E3 cc)
Ground Laser Transmitter (GLT)
Table Mtn., CA
5kW, 1m-dia. Telescope
Ground Laser Receiver (GLR)
Palomar Mtn., CA
5m-dia. Hale Telescope
Deep Space
Network
(DSN )
Optical Comm Ops Ctr.
JPL, Pasadena, CA
TBD
MOC
This document has been reviewed and determined not to contain export controlled technical data.
5
Optical Comm for the Mars 2020 Rover
•
•
•
•
•
•
Optical Terminal will support dual links:
 “Proximity” link, to optical terminal on orbiter (20 Mb/s max)
 Direct-To-Earth link (200 kb/s max, from 0.5 AU)
Optical Aperture Diameter: 5 cm
Average Laser Power: 1 W
DC Power Consumption: 50 W
Mass: 5.7 kg
Volume: 4.6 liters
173
mm
Rover
Optical
Terminal
159 mm
6
SCaN’s Laser Communications Program:
Next Steps
NEAR-EARTH OPTICAL
COMMUNICATIONS
Laser Communication Relay Demonstration
(LCRD) Mission for 2018
•
•
•
•
8
Commercial Spacecraft Host
Flight Payload
– Two LLCD-based Optical M odules and
Contr oller Electr onics M odules
– Two Differential Phase Shift Keying (DPSK)
M odems with BW > 1 .2 5 Gbps (user rate)
– High Speed Electronics to interconnect the
two terminals, per for m data pr ocessing, and
to inter face with the host spacecr aft
Two Optical Communications Ground Stations
– Upgr aded JPL Optical Communications
Telescope Labor ator y (Table M ountain, CA)
– Upgr aded LLCD Lunar Laser Gr ound Ter minal
(W hite Sands, NM )
LCRD M ission Operations Center
– 2 to 5 year s of oper ational networ k
exper iments
8
SCaN’s Laser Communications Program:
Next Steps
TECHNOLOGY DEVELOPMENT
EFFORTS
G. Moore’s “Crossing the Chasm”
Model for High-Tech Markets
“Pragmatists”
Each group has different expectations for a new, disruptive product:
 Innovators see a competitive advantage to allow them to leapfrog their
competition…
 …While Pragmatists want a COMPLETE SOLUTION to a business
problem (the Whole Product Model)
10
The Whole Product Model for
Infusing Optical Comm into NASA Missions
Compliance with Policy
(FAA, LCH); Interoperability
With other Agencies
Standards
(ESA, ect.)
and
Procedures
Disruption-Tolerant Networking (DTN),
Integrated Operations
And Provisioning SW
Additional
Software
“Non-Ph.D”
Training
and
Support
Operators,
Integrators;
Documentation
CFLOS Analysis; Countering
Weather with Multiple
Ground Stations;
Providing Fiber Connectivity
While Minimizing Service
Costs;
Ground
Network
Additional
Hardware
Generic
Product
System
Integration
Commercialization
Leveraging Telecom Industry “COTS”Components
While Building a Vendor Base for Custom HW;
DRIVING COSTS DOWN
“Buffer and Burst”
Edge Electronics;
Dealing with
Multiple Spacecraft
C&DH Interfaces
(SpW, MIL-STD-1553, ect)
Calibration and
Certification
Test Facilities
at NASA
Lunar
Relay
Titan
Lunar
Relay
Payload
(potential)
Neptune
Saturn
Uranus
Pluto
Charon
LADEE
Jupiter
Laser Comm
Relay Demo
Mars
SCaN
CSME
NISN
NISN
MCC
MOCs
Venus
Antenna
Array
Sun
Deep Space
Optical Relay
Pathfinder
Mercury
Microwave Links
Optical Links
2018 Add:
SCaN
Services
Provide:
Add:
2023
Add:
•2025
Uniform
commitment
process via Customer
2014-2015
Add:
Integrated
service-based
architecture
Space
Optical
Initial
Capability
•••Space
Based
Relay
Initial
Service
Management
Element
•Deep
Standard
Services
andCapability
Interfaces
Space
internetworking
(DTN
Space
Internetworking
throughout
••••Enhanced
Optical
Initial
Capability
Space
Internetworking
• Delay
Tolerant Networkingand IP)Solar System
•
International
interoperability
•
Significant
Increases
in Bandwidth
•• Deep
Space
Optical
Relay
Pathfinder
Lunar
Comm
Relay
Demo
and
ISS Terminal
• Deep
Space
Antenna
Array
•
Significant
increases
in
bandwidth
Retirement
of
Aging
RF
Systems
••• Lunar
Relay
Initial
Capability
to
Support
Near
Earth
Optical
Initial Capability
• Lunar
Optical
Pathfinder
(LADEE)
•
Mars
Orbiting
Data
Relay
Satellite
Capability
Exploration
• TDRS
M K, L
• TDRS
•
Possible
streaming
video
from
Mars
• Lunar
Relay Payload
(potential)
• Increased
microwave
link data rates
12
NISN