Advanced Wireless Technologies at DARPA › media › 35564 › kol_duc_slides.pdf · Advanced...
Transcript of Advanced Wireless Technologies at DARPA › media › 35564 › kol_duc_slides.pdf · Advanced...
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Advanced Wireless Technologies at DARPA
Presented to: 2002 International Symposium on Advanced Radio
Technologies
by G. Duchak
Program Manager, Advanced Technology Office
March 4, 2002
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DARPA Mission
Innovation in Support of National Security
· Solve National-Level Problems
· Enable Operational Dominance
· High Risk Technology Development, Exploitation -- Avoid Surprise
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The Secret to Scoring
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Think Differently!
Revolutionize the way we exploit RF
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Exploiting all the RF Energy
Premise: As RF disciplines become digital the opportunity exists to exploit, completely, the information contained in the electromagnetic wave
SIGINT
DARPA Philosophy: RF is RF. Bits are Bits. + Fusion of Com m u n ications/SIGI NT IEW/IW ,----------------------------------------enabled by:
• Software definable radios Band Pass Filters ~U;~
, , , • MEMS Technologies
• High power amplifiers = Commsi A nten nas .:.::.:.:.::.:.:.:.~ :
, ~-------------------------------------------~
• Broadband antenna advances
• Robust interference cancellation
Beamformer
CCI Mitigation
Multi-mission capability in a single system breaks down traditional stovepipes and makes interoperability straightforward
11
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XG
ATO Wireless Communications
THOR
~~~------------~~H~ig~h~D~at~aR~a~te-1 ________ __ . -" I ~~
~_ ~. =====~~__ --dItfI"I ~
ACN Airborne Multi-Mission System
rcs Network-Centric
RF Minefield
Assured communications anywhere in the world without infrastructure and zero setup time
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10
ACN Concept 2000-2002
EW
RF Energ
Proce .. lng
.. ~ .. .. ~~~~~:.:=~-=-..:
Processing
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ACN: A Single System Servicing Many Missions
, Jammrr
~. ! SIGINli tft
omms Target SIGINT Users Target
Approach
• Develop a Real-Time Programmable, Platform Agnostic, Multi-Mission (Communications, SIGINT, EW & Electronic Attack) Payload
• Develop, Mature & Demonstrate Technologies Necessary to Implement the Design.
• Demonstrate End-to-End System Design in Laboratory
Top Technical Challenges
• Simultaneous Multi-Mission Operation
• Scaleable Size,Weight, and PowerModular/Scaleable Design Supporting Integration on Multiple Platforms (25 Ibs. to 900 Ibs.)
• Co-Channel Interference Mitigation/Jamming Mitigation
• Autonomous Mobile Ad-Hoc Networking
• Information Assurance - Robust Operation Against Jamming and Intrusion
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Small Unit Operations Situation Awareness System Program
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SUO SAS Concepts
Develop secure, robust communication and information management prototype to enable information superiority for individual warfighter
Highly Adaptive Radio
• Extreme Frequency Agility (20 MHz - 2,500 MHz)
• Data Rate (up to 2 Mbps) • AntiJam, Low Probability of
Detection
Precision Navigation without GPS
• Radio ranging inside buildings, urban canyons etc. without GPS
• 2m range precision in 3D
•
suo SAS is Built!
Mobile, AdHoc, Peer-to-Peer Networking
• Mobile Networking • Scaleable to 10,000 entities • Voice and Data Transmission
?
Distributed Information Management
• DataNoice to Groups managed organization, tasks, and position
• Situational Awareness Data (Red and Blue) filtered by organization, tasks, position and threat status
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FCS-Communications
Assured communications for Army Future Combat System System Tech Investment
• RF Information Assurance (Network Layer and Below)
• Mobile Ad Hoc Networking With Directional Antennas and QoS for Real-Time Traffic
• Modeling and Simulation
•
•
RF Technology Investment High Band Technology • Highly Directional Antennas ,
Transmitters, Receivers, etc.} Low Band Technology
Directional Antennas, Transmitters, Receivers, etc. Advanced Modulation/Coding/Signal Processing in a Software Radio Framework
Enabling Network-Centric Warfare
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Future Combat Systems Notional Cell Communications Traffic Attributes
Forward Link (A/J) -Command and Control
• Way Points, Commands • Target Folder
Coordinates and Templates
• SA Updates • Tele·operation • Fire Control
Reverse Link (LPD) -Sensor Data
• UAV - MTI, Imaging • Dismounted - Voice, SA
Reports • UGS - Reports, Images • FCS • RS, I/OF: Target
Reports/Images, BOA, SA Reports, DTED, Video
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Wolf Pack Program Vision Close, Distributed, Networked RF Spectrum Dominance
Detection
Denial
Communication Service La\l'erS
Conventional Jamming Systems
Application Presentation
Session Transport Network
Data Link
"The Challenge" • Develop technology enablers
• Implement innovative techniques
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Wolf Pack Operational Concept
Close approach enables low powerlLPD signal detection and blanket attack
Distributed units enable wid'el area spectrum monitoring and directed attack
.....
Network awareness n~lrm,;t~1 precision att'aclklavoida ""a with minimum power
Wolf Pack Technology responds to advanced LPD/LPI, Packet Network Radios
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neXt Generation (XG) Communication Program
TODA Y: Spectrum statically allocated
I
o 1il N
Radiolocation
METEOROLOGICAL AIDS
FUTURE: Dynamically allocating spectrum in frequency, space, and time may improve utilization by a factor of 10
Used
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XG Initiative 900000
-- " .~ ..
880000 . . .. - ,. _N _ " ._' ___ ~'_" ___ • ___ H,_''_=" __ __ • __ _ ,..,.'___ _ _. __ _ _ ' =~ ,
.. .. . _ . .. . ........ .. N, . ; • • • • : " . " ••• • , .. . . .. . ' • • •• -.- - .t.'-' .. ~ . . . . - - - ' .... ..... ,' , N •• • • • •• ",,, ~ •• • • • • • -
. .. ..... ; . ;: ; ' . ~:..: ;..: .. . . . .. : " , 860 nnnf" ·-···· ·· · .. _.".-.-. ........ .. . . .
.. "" .' .. .. .. - . " ,".
. ' " .. ,. -, :' ..
840000 ...... --------......------.....------6781 .000 6784.000 6787.000 6790.000
Time of Day (Sec)
Unused Spectrum
Changes in Time and Space
• Develop both the Enabling Technology and the System Concepts to Dynamically Allocate Spectrum - Improve Efficiency (<<1 %) of Current, Static Allocations to
voice and data by a Factor of 20 (as measured by MHz km2)
- Provide Capability to Share Spectrum with Other Providers
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XG Spectrum Planning
4th Infantry Division 40 km
80 km 40 km o = 500+ Individual Allocations
Spatially Deconflicted from 20:1 - 500:1 Data generated by OSAM
Current War Plans incorporate J-12 Input on Spectrum Allocation that is Static for the "Entire" Theater
- Allocations are Made to be Risk Adverse • 99.9% Allocation Reliability • 97% Connection Reliability
- Planning can Take up to Months to Deconflict • e.g. Naval Group will use Same Allocations for 6 Month Deployment
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XG Technology Challenges
Predict or React to the Available Spectrum through Dynamic MAC Layer ...
- .---Either Move in Frequency or Become Malleable ...
lie::>
... Invest in Heterogeneous, Wideband MAC Subsystems
... Invest in multiple timefrequency agile waveforms
XG Requires Integration of New Control Techniques and Agile Waveforms That Balance Complexity and Capacity
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",,''';:~::'';;-Jii~ Tera-Hertz Operational Reachback
fiber terminus ~----'
(THOR)
Connect the warfighter, in theater, to the fiber optic infrastructure using mobile free space optical communications
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Free Spa,ce Optical Communications
G Enable the Deployed Warfighther to enjoy the same level of connectivity that is enjoyed while not deployed
G Off load high demand and scarce space communications assets by exploiting connectivity via ubiquitous terrestrial fiber
G Complete the global grid by tying space-air-surfacesubsurface platforms together
'5pa Folllivard i"'F""
THOR Vision
• • • • • •
Terrestrial Grid
"Fiberless Fiber" will complete the Global Grid and provide secure, assured, high data rate and end-to-end communications to airborne, terrestrial, surface, and
subsurface warfighters by developing, integrating and demonstrating innovative optical system concepts and technologies.
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Briefing Complete