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Critically Needed Future
Technologies for
Effective and Robust
Satellite Communications
MILCOM2015 Panel
Len Schiavone
Director of Technology
Integrated Communications Systems
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Today’s Environment
Operations in contested and
denied environments
Emphasis on protected/secure
communications and
resiliency
Near peer threats growing
CONOPS evolving to deal
with loss of or limited
SATCOM
Affordability under significant
budget pressures
Exponential growth in sensors
and systems
Need to rapidly deploy to
natural disasters, crisis and
conflict
Growing regional instabilities
Driving Factors
Complex environment needs protection, resiliency
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Protected & Resiliency Demands
Driving New Technology Needs
Protected SATCOM Links are essential– Anti-Jam, Low Probability of Exploitation
Commercial Space incorporating protection features– Small spot beams, agile digital payloads, carrier ID
Leverage space diversity, devolve and disperse traffic across assets– Multiple levels of space capabilities at various orbits
Use of an aerial communications layer– Potential of aerial layer to enhance resiliency
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Downlink Perspective Adds Focus
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Increase transmitter power
Increase antenna gain
Increase antenna gain
Reduce noise figure
Reduce req’d receive
power
Decrease link losses
The Ultimate Goal:
Smaller, cheaper &
more capable user
terminals
User terminal G/T
requirements drive
Size & Cost
Link budget dictates
key leverage points
for technology
investment and
system design
innovation
Technology Investment Leverage
Ex: Gallium nitride PAs
Ex: Multiple beam antennas
System Design Innovation Leverage
Ex: MEO/LEO constellations
Technology Investment Leverage
Ex: Efficient, affordable arrays
Ex: Noise reduction techniques
Ex: Energy/spectrum efficient waveforms
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Affordable Protected Tactical Comms– Emerging Protected Tactical SATCOM
AEHF addresses Nuclear and Contested Environments– Narrow-beams, spread spectrum, AJ and LPI/D
US Gov’t developing unclassified Protected Tactical Waveform (PTW)– Near-term: Implement PTW on existing transponded
payloads such as WGS and commercial
– Longer term: Designed to support new satellites with Protected MILSATCOM payloads
– Goal is standard exportable waveform and crypto
New Lower SWAP-C protected terminals or upgrades to existing terminals will be possible for tactical edge AJ
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Apertures and RF Modems and
Cryptography
Waveforms and
Signal Processing
Suite B
Transmission
Security
Multi-band
Reflectors
Multi-beam
Arrays
Advanced RF
Components
Programmable Modems
with Flexible Packaging
Protected
Tactical
Waveform
Coalition
Waveforms
Interference
Cancellation
Technology Enablers
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Advanced
Programmable Logic
& Wideband
ADC/DAC
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Summary
Increasing demand for robust SATCOM on small tactical platforms in
response to more sophisticated and diverse threats
New system concepts and enabling technology to reduce SWAP and
enhance performance needed
Growth in commercial SATCOM services, systems and technologies must
be leveraged for MILSATCOM needs
Targeted investment in military-unique technologies include
– Antenna and RF advances for Military-unique frequency bands and platform requirements
– Cryptography and Transmission Security
– Specialized Anti-Jam, Low Probability of Exploitation waveforms and signal processing techniques
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Enable affordable protection
to tactical edge users