icssc 2016 // 17th oct 2016 // clevelend,ohio, usa c and...
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PROPRIETARY INFORMATION
© Tesat-Spacecom GmbH & Co. KG reserves all rights including industrial property rights,
and all rights of disposal such as copying and passing to third parties
SATELLITE COMMUNICATIONS TERMINALS
Dipl. Ing. Matthias Motzigemba
COMMERCIAL AND MILITARY CAPABILITIES OF OPTICAL
Head of Laser Products
TESAT-Spacecom, Germany
ICSSC 2016 // 17th Oct 2016 // Clevelend,Ohio, USA
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GOVERNMENTAL / MILITARY COMMUNICATION NEEDS A RESILIENT INFRASTRUCTURE
17th Oct, 2016 2
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RESILIENCY BY USE OF
OPTICAL INTER-
SATELLITE LINKS
IN A GEO-GEO BACKBONE
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INTENTIONAL OR UNINTENTIONAL INTERFERENCE AND JAMMING
» Uplink Jamming
17th Oct, 2016 3
RF-Transmitter Intended Recipient
» Downlink Jamming
RF-Transmitter Intended Recipient
Jammer
Jammer
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4
GRO
UND
STRA
TOSP
HERE
SP
ACE
TRO
POSH
ERE
ACCES
S N
ETW
ORK
LAY
ER (
RF)
Satellite Satellite
Satellite
LASE
R C
OM
MM
ComNodes*
ComNode* ComNodes*
RF
Ground
Station
17th Oct, 2016
Optical
Ground
Station
RF users
RF
user
RF
user
MALE
HALE
Airborne
Helicopter
HAPS
Airborne
* (ComNodes = Communication Node, could be a PseudoSat, Balloon, HALE)
HYBRID (LASER AND RF) ARCHITECTURE FOR HIGH DATA RATE COMMS
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HYBRID (LASER AND RF) MILSATCOM NETWORK
17th Oct, 2016 5
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» GEO constellation
» Lasercomm cross-links for a
resilient backbone
» Mix of RF and Optical (boost)
access links
» Gain of frequencies
» Comm-on-the-move (high and
low data rate service)
» Protection against jamming,
nuclear effects, detection
Source: USAF
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EVOLUTION OF US-SATCOM TOWARDS GLOBAL INFORMATION GRID
17th Oct, 2016 6
Defense Satellite
Communications System
“DSCS I”
Capacity ~ 1 Mbps
“DSCS III”
Capacity ~ 100 Mbps
1960 1971-79 1982-97
“Milstar I”
Capacity ~ 4 Mbps
Intersat Link ~ 10 Mbps
1994-95
“DSCS III SLEP”
Capacity 250 Mbps
2000-03
“Milstar II”
Capacity ~ 40 Mbps
Intersat Link ~ 10 Mbps
2001-03
“WGS”
Capacity ~ 2.2 Gbps
2006
“AEHF”
Capacity ~ 400 Mbps
Intersat Link ~ 60 Mbps
2008 2019
“TSAT- Next gen“
RF Capacity plus
Lasercomm
Capacity several Gbps
2021
Protected, Secure, Resilient, High Capacity Global Information Grid
System Development
Cancellation of TSAT
Tranformation Satellite Program
left a gap in US Communication
strategy
Source: USAF
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WHICH TECHNICAL SOLUTIONS COULD SUPPORT SUCH MISSION CONCEPTS ?
17th Oct, 2016 7
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VALUE OF LASER COMMUNICATION IN SPACE
» Bi-directional technology – re-tasking during the mission.
From mapping to a reactive surveillance
» Stealth Link - Not detectable, due to narrow spot size and no RF-emissions
» Jamming resistent - Laser Link can not be broken by rogue Ground Laser;
due to coded acquisition signal and coherent detection (Phase Lock)
» Free use of microwave spectrum-
Optical Link is not regulated
» High Speed- unrestricted and immediate access to sensitive ISR data in
near real time by use of GEO-Relay Service
» Sovereignty and Independency from terrestrial network
using a Gigabit-Data-Relay with local Ka-band ground station
17th Oct, 2016 8
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HISTORY & ROADMAP OF OUR LASER COMMUNICATION TERMINALS
17th Oct, 2016 9
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VALIDATION SINCE 2008
» Operation of two Low Earth Orbit (LEO)
LaserComm Terminals at 6,000 km Distance with
5,6 Gbps Comms
» NFIRE and TerraSAR-X equipped with Tesat LCT‘s
communicating with a speed of 25,000 km/h
each.
» Validation and Verification of Pointing,
Acquisition & Tracking (PAT) Algorithm to
establish communication links within seconds
since Feb 2008.
17th Oct, 2016 10
TerraSAR-X
NFIRE
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GEOSTATIONARY RELAY WITH ALPHASAT
» GEO Alphasat is in Orbit since July 2013
» Successful Link Operation with
» Sentinel-1A
» Sentinel-2A
» Optical Ground Station
» ESA-OGS
» Up to 60 links per week
» Currently 800 links in total
» Owned by German Space Agency DLR
» Alphasat is the blueprint for the
SpaceDataHighway
17th Oct, 2016 11
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COPERNICUS PROGRAM IS COUNTING ON LASERCOMM
» Magalie Vassiere (ESA Director TIA) :
“You can visualise the link of today
(Nov. 2014) as an optical fibre in the sky,
that can connect the Sentinels back home
to Europe, from wherever they are on their
orbit around Earth”
17th Oct, 2016 12
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THE FLEET OF USER LCTS INSIDE THE COPERNICUS PROGRAMM
Sentinel-1A
In Orbit since April 2014
17th Oct, 2016 13
Sentinel-1B
In Orbit since April 2016
Sentinel-2A
In Orbit since June 2015
Sentinel-2B
In Orbit by end-2016
© ESA–Pierre Carril, ESA/ATG medialab
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OPTICAL GROUND STATION AS A SYSTEM ELEMENT
» Transportable Adaptive Optical Ground Station (TAOGS): on Tenerife Island for Bi-directional Gigabit feederlinks since October 2014
» 6 Campaigns scheduled for 2016 with following topics:
» Improvement of atmospherical links (new Coding, modeling,..) for Gigabit feederlinks
» Quantum Key Distribution (Coherent Laser Communication is perfectly suited for encryption applications, like continous variable Quantum Key Distribution- CVQKD)
17th Oct, 2016 14 © Victor R. Ruiz
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Sentinel 1A
Sentinel 2A
Alphasat
Sentinel 1B
TerraSAR-X
NFIRE
Optical GroundStation
EDRS-A
OPTICAL NETWORK IN SPACE BUILT BY TESAT
2007 – July 2016 17th Oct, 2016 15
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COMMERCIAL SERVICE WITH SPACEDATAHIGHWAY (EDRS)
17th Oct, 2016 16
First Data Link from Sentinel-1A June 2016
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NO RISK OF INVESTMENT – VERIFIED RESILIENT PERFORMANCE
17th Oct, 2016 17
This first SAR Image captured by LEO Sentinel-1A on 28 November 2014 directly transmitted ~40,000 km via Space Laser to Alphasat Satellite in Geostationary Orbit
Game Changer - From days to minutes
» Tesat LaserComm is TRL9
» Verified Resilient Performance:
» Over 2,000 Optical Links LEO-LEO, Groundlinks,GEO-LEO
» 8,5 years of successful In-Orbit operation
» Easy to Operate in 3 steps:
Tracking-Acquisition-Communication within seconds
» No Bit Errors during communication
» Performance Verified under stress conditions
while in Orbit
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ROBUSTNESS – PERFORMED LIFE AND ENDURANCE TESTS
» LCT designed for 24/7 Operation and 15 years operational lifetime
in a GEO environment
» GEO LCT to serve multiple LEO - and UAV customers
» Critical elements were life tested for 1.5M links
» Actuator tests (Coarse Pointer - CPA, Fine Pointer - FPA) for
1.5M links – summing up to 190 M degrees of rotation for the CPA and
1.5M acquisition cycles for the FPA
» Electro optic units (Laser, Pump Laser, Fiber Amplifier)
qualified also for 1.5M on-off cycles
17th Oct, 2016 18
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SERVICE GROWS WITH GLOBENET – THE THIRD GEO NODE
17th Oct, 2016 19
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75,000 km @ 1.8 Gbps
Simultaneous
Customer Services Ultra High
Throughput
@ 3.6 Gbps
Pacific Rim
Europe
© Airbus DS - CIS
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COVERAGE OF GLOBENET
17th Oct, 2016 20
2016
EDRS-A
9°East
Option:
EDRS-E
yyy°West 2020
EDRS-D
xxx°East
2017
EDRS-C
31°East
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TRL9 – THE LASER COMMUNICATION TERMINAL (LCT)
» Tesat LCT is in space with coherent, space qualified
1064 nm laser source, using homodyne BPSK modulation
» This results in the most efficient design for long range,
High Data Rate transmission with resiliency to sunlight
and jamming
» Perfect media for Quantum Key Distribution
» 16 Flight Models are delivered or in current production
17th Oct, 2016 21
Range 45,000 km
Data Rate 1.8 Gbps
Transmit Power 2.2 W
Telescope Diam. 135 mm
Mass ca. 53 kg
Power
consumption
ca. 160 W max.
Volume ca. 0.6 x 0.6 x 0.7 m
Long Range Version LEO - GEO
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APPLICATION ON RPA/UAV/ AIRBORNE : TEAMING CONCEPT
» Robust - Jamming free operation
» Stealth – not detectable
» High Performance – Gigabit Links
17th Oct, 2016 22
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TESAT LCTS
17th Oct, 2016 23
Intersatellite Links GEO 135 LEO 135 SMART ConLCT
Range L 45,000 km
XL 80,000 km
45,000 km 45,000 km ISL 6,000 km
Nav 45,000 km
Data Rate 1.8 Gbps 1.8 Gbps 1.8 Gbps ISL 1 Gbps
Nav 1Mbps
Size (cm) 60 x 60 x 70 60 x 60 x 70 60 x 80 x 20 25 x 20 x 10
Weight (kg) 53 53 22 8
Market GEO Data Relay
1064 nm
Option: Dualwave 1550
LEO Data Relay
1064 nm
LEO Data Relay
1064 nm
Constellation,
Navigation (Ranging)
1550 nm/ 1064 nm
Ready to fly TRL 9 – Heritage
„The Backbone“
TRL 9 – Heritage
„The Sentinel“
TRL 4 – FM 2021
„The Future User“
TRL 5 – FM 2019
„The Specialist“
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TESAT LCTS
17th Oct, 2016 24
Spin-Off Products Airborne Terminal LEO-DTE Direct to Earth TAOGS Ground Station Reference Laser
Range 45,000 km 1,000 km (down) 45,000 km (bi-direct) Fiber coupled
Data Rate 1.8 Gbps (return)
2.0 Mbps (forward)
10 Gbps 1.8 Gbps 40 mW carrier w/o
modulation
Vendor Airborne Primes
(DataElectronic from TESAT)
TESAT in Cooperation
with DLR IKN / ViaLight
TESAT TESAT
Features Stealth, jamming free
1064 nm link to EDRS
1550 nm, 5kg, 50W
30 x 15 x 15 cm3
transportable with
adaptive optics
1.3 kg, 15 W,
Ultra stable
Market Beyond-line-of-sight
Access to > 1 Gbps
UAV sensors
LEO direct downlink
(best effort market)
1. 1064 nm GEO-
Feederlinks
2. LEO Downlinks in
1550 with Partners
Spectrum
calibration,
Ranging, LIDAR,
Interferometry
Status Various cooperations TRL 5 – FM 2019
TRL 8 for V2.0
In Operation (located at
Tenerife/Spain)
TRL 9 – Heritage
GraceFO, LISA
Pathfinder
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For futher information please contact:
Matthias Motzigemba
Head of Laser Products
Tel.: +49 7191 930-2650
Gerberstraße 49
71522 Backnang
www.tesat.de
THANK YOU FOR YOUR ATTENTION