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OneSAF Co-development Lab. OneSAF Users Conference 8 April 2008. ARMY is the top consumer of space products The Space FACT validates the Space M&S requirements FWC is leveraging ARMY M&S investment in OneSAF System

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onesaf co development lab
OneSAF Co-development Lab

OneSAF Users Conference

8 April 2008

top space m s needs
ARMY is the top consumer of space products

The Space FACT validates the Space M&S requirements

FWC is leveraging ARMY M&S investment in OneSAF System

The PEOSTRI robust development processes allows for this functionality to be used by all OneSAF user communities (ARC, RDA, TEMO)

FWC is insuring space representation are present in OneSAF

OneSAF Co-Lab Motivation

Top Space M&S Needs

SMDC Leads AMSO Space Focus Area Collaborative Team (FACT)

  • Determines Space M&S Requirements
  • Establishes Program Effort
  • Initiating Space Representation
  • Establishing OneSAF Lab to Facilitate Space Modeling and Simulation Development Efforts

Space Fact Capabilities Roll Out

Total Survey Score from Operational Needs Survey

FWC is the M&S ARMY Center of Excellence for Space and Missile Defense

smdc onesaf co development site
First Fully Sanctioned Army Co-development Site/Lab

Allows maximum leveraging of Community resources

Integrates Space related capabilities into OneSAF

Reduced Program Risk; Shortens Development Cycle

Live Simulation

Constructive Simulation

HWIL Simulation Framework

OneSAF Playbox

Future Warfare Center

OneSAF Co-development Site



  • ISR
  • GPS
SMDC OneSAF Co-Development Site

Coordinated Representational Research with Space Advocates

Example Functions

  • Aggregate Satellite Models
  • Global Hawk-class BLOS Sensors
    • Comms Relay to CONUS
    • Comms Relay back to Theater
  • NTM Sensor Feeds
  • Positioning Accuracy (& GPS Jamming Implications)
  • Home Stations Operations Center Connectivity
  • BLOS Comms to UE & Other UAs
  • WMD Warnings
  • Weather Down Range
the smdc onesaf co development site ocds lab story
SMDC-FWC initiated a OCDS in 2005 in Huntsville, AL.

Close association with PM OneSAF in Orlando, FL.

Test and Evaluation support of numerous OneSAF “Beta” releases in the last year

The first fully operational Co-Development Site outside the Orlando Community to successfully integrate key capabilities into OneSAF.

Army is the largest consumer of Space information in theater

OneSAF was the largest M&S w/o Space representation

SMDC OCDS team brought the first Space capabilities into the framework

Army space now has an initial M&S capability for analysis, research and training – important to the Army warfighter

The SMDC OneSAF Co-development Site (OCDS) Lab Story
space m s for onesaf
Space M&S for OneSAF

Current Tasking Covers…

In the Planning Stages…

  • Space Based ISR
    • Space-based EO, IR, RF, & MSI/HSI Sensors & Evolving Sensors
    • Intelligence Data from “Outside” the OneSAF Unit of Interest Play Box
    • Mobile Ground Station
  • Space Communications
    • Operational & Tactical Connectivity to Space-based Systems
    • System-to-system Connectivity under NLOS Conditions
    • Multiple Frequency. Multiple Bandwidth Designs
    • Initial JBF tracking and message management
    • GPS suite of satellites and DoP emulation
  • Early Warning
    • EW of Tactical Ballistic Missile Attacks
    • Remote Sensing of NBC Hazards & Warnings of Danger Zones
    • C4 & Joint Warning Systems
    • Behaviors to Cause Individual Systems & Units to Respond to Warning
    • NBC Consequences into Simulated Behaviors
  • Weather, Terrain & Environmental Monitoring (WTEM) & IO
    • Models & Representations of WETM Data Injection into the UA
    • Models of IO to Include Computer Network Attack & Defense
  • Advanced Space Technology
    • Use of Micro Satellites
    • Space Control Technologies

First phases now implemented into OneSAF Version 1.5 by SMDC OCDS team

Merged with OneSAF version 1.0 for testing and release in OneSAF version 1.1

Oct 06

SMDC OCDS Handover #1

SMDC OCDS Capabilities

OneSAF version 1.0

OneSAF version 1.1

space based isr in onesaf

ISR: Mobility/Commercial Satellite in OneSAF

Space Based ISR in OneSAF

Space Support

to Intelligence, Surveillance, & Reconnaissance

  • Improves the Common Operating Picture (COP) by including intelligence data from "outside" play box
    • Provides exploited satellite imagery data to Maneuver Force simulating
    • Implicitly represents space ISR collection process to answer commander’s Priority Intelligence Requirements
    • First implementation includes commercial systems
  • Implements a computationally efficient space move behavior algorithm
    • Decreases CPU time by as much as 95% compared to traditional satellite propagation methods
    • Only represents satellite position when it can view the battlespace or communicate with a ground station
  • Space Support to Battlespace Characterization
    • Provides Exploited Imagery Data in the form of SPOT/Situation Reports for Assigned Areas of Interest
    • Future Efforts will focus on the Satellite Visual Representation

Expands the ARMY Warfighter Capability by:

  • Adding Space Assets for Full Spectrum ISR
  • Developing Situational Understanding Based on a Robust Operational Picture
  • Providing Space Capabilities for Beyond Line of Sight Effects
  • Enabling Strategic Responsiveness By I&W and Ensuring Intel Readiness
explicit satellite simulation via grosp
Explicit Satellite Simulation via GRoSP
  • A New Orbit Every 94 Minutes
  • 7 Visibility Opportunities in 24 Hours
  • Satellite “Flies” Route & Conducts Target Surveillance
    • NORAD Two-Line Element (TLE) Sets Establish Satellite Flight Characteristics
    • Payload (Antenna & Sensor) Field of Regard & Field of View (FOR & FOV)
  • For Each AOI/Satellite Combination
    • Determine Gateways & Calculate LANs: If LANs Inside Gateways, Calculate Entry/Exit Points
    • Fly Satellite between Points (Turn On Sensors & Begin Surveillance at Entry Point; Turn Off Sensor at Exit Point
    • Surveillance Process Iterates for Duration of AOI

Initial Satellites

  • Commercial Systems
  • EO & IR Sensors
onesaf isr
Low-Resolution Downlink Calculation

Theater Downlink if Ground Station Present

Delay Calculated from Terrain Box to First Ground Station for Ascending & Descending Orbit

User-Defined Exploitation Delay Time

Space Observation Reports Posted to C2 Network


OneSAF Space EO Imagery

Representing Satellite Imagery from a Synthetic Environment

  • Large Field of View
  • Represent EO Imagery
  • Strip Collection

Customized imagery products from 11 different civil/commercial satellites

Merged with OneSAF version 1.1 for testing and release in OneSAF version 1.5

Feb 07

SMDC OCDS Handover #2

SMDC OCDS Capabilities

OneSAF version 1.1

OneSAF v 1.5

isr mgs capability added to onesaf
ISR MGS Capability Added to OneSAF


  • Current Space ISR simulates collection of data over theater of operations and relays to fixed terrestrial ground stations that further relay data for exploitation and redistribution.
  • These relays/exploitation processes outside Commander direct control reduce timeliness & utility of space-base assets.
  • Capability to downlink data directly into theater of operations would alleviate problem.


  • Creation of communications model in OneSAF to establish a relay between space-based platform and terrestrial tactical network – decreases communication response times for warfighter. Modify HUMMV entity representation into an MGS with communications links between satellite and ground C2 networks.
  • Minor modification of existing radio to include characteristics that make it uniquely a satellite receiver. Radio composed with existing mobility module (HUMMV with trailer) to complete suite.
  • Implies MGS needs to know if it is in mid-trans mission so as not to immediately respond to movement orders, but wait until end of transmission.
target space based isr architecture

Communications Relay

Satellite Sensors


4) Exploitation & Production

“Out Of Theater”


e.g., RSOC




3) Processing & Posting

5) Product

Mobile Ground Station

e.g., TES/ACE

2) Task

“In Theater”

1) Request

Intelligence Community

Target Space-Based ISR Architecture
Merged with OneSAF version 1.5 for testing and release in OneSAF version 2.0

Jul 07

SMDC OCDS Handover #3

SMDC OCDS Capabilities

OneSAF version 1.5

OneSAF v 2.0


Additional Sensor Models Added to OneSAF


IR Sensors:To implement an IR payload representation in OneSAF using the Acquire/AMSAA model, we altered the Satellite Agent to accommodate the IR sensor in place of the EO sensor we implemented earlier. We already had the requisite data tables of sensor parameters, the satellite-to-sensor sensor mapping codes, and the MRT curves to accommodate IR in the AMSAA Acquire algorithm.


Image differences of West Coast

False-Color IR image of San Francisco Bay Area

jbfsa initial operating capability ioc
JBFSA Initial Operating Capability (IOC)

1.Operational/Warfighter Improvement:Add GPS capability to increase the precision with which blue forces report their positions in order to assess the overall effectiveness of JBFSA doctrine, tactics, techniques and procedures.Will allow OneSAF to be used to evaluate new/current TTP’s and new capabilities as they evolve.

2. Simulation Improvement:

a. Modify the space movement algorithm to include MEO and GEO Satellite Mobility

b. Collect GPS orbital parameters and antenna characteristics

c. Implement a GPS dilution of precision (DoP) algorithm

d. Create a Blue Force Tracking (BFT) Message from the perceived entity locations

e. Propagate BFT Message from BFT device via SATCOM to MMC

gps dilution of precision dop
Geometric strength of satellite configuration. When visible satellites are close together in the sky, the geometry is said to be weak and the DoP value is high; when far apart, the geometry is strong and the DoP value is low.

Add GPS capability to increase the precision with which blue forces report their positions in order to assess the overall effectiveness of JBFSA doctrine, tactics, techniques and procedures.

Will allow OneSAF to evaluate new/current TTP’s and evolving capabilities.

GPS: Dilution of Precision (DoP)
To be merged with OneSAF version 2.0 for testing and release in OneSAF version 2.5

~2nd Qtr FY08

SMDC OCDS Handover #4

SMDC OCDS Capabilities

OneSAF version 2.0

OneSAF v 2.5

satcom constellations added to onesaf
SATCOM: Constellations Added to OneSAF

Implemented Communication Satellites Constellations

  • In the Sky today
    • UHF - 12 GEO
    • DSCS - 10 GEO
    • Milstar - 2 GEO
    • Wideband Gapfiller System (WGS) - 3 GEO
    • IRIDIUM-DoD Gateway in Hawaii - 66 LEO
    • Inmarsat -11 GEO
  • On the drawing board
    • Transformational Satellites (TSAT) - 5 GEO
    • 2010 Mobile User Objective System (MUOS) - 4 GEO
    • 2009/2010 Wideband Gapfiller System (WGS) - 5 GEO

Leo Mobility Enhancements

Cross-link Radio Modeling

satcom links

Transmission from non-spaceentity to satellite entity


Transmission from satellite entity to non-space entity

Generally a ground station (Gateway)

Different frequency range than the Uplink


Transmission between two satellite entities (aka inter-satellite link or ISL)

Utilizes frequencies unsuitable for terrestrial communications between 20-60 GHz


Link frequency differences play an important role in Communication Effects like bandwidth, jamming and spoofing.


Hyper-Spectral ISR Sensors

  • Objective:

Add HyperSpectral Imagery (HSI) to the ISR capability to improve utility, fidelity.

2. Simulation Improvement:

    • HSI IOC “effects” model
    • HSI model with new observation reports
    • Defect fixes

Two-phased approach:

  • Step One: Represent Hyper-Spectral (HSI) Imaging sensors effects using AMSAA Acquire Model
    • Create an HSI-like capability by enhancing the spatial resolution of an existing sensor
  • Future Step: Build an HSI sensor model with new OneSAF “Imaging” messages and observation reports
  • HSI sensor data exploitation enables sub-pixel resolution (1/4 pixel)
  • Represents next-generation sensors on space & near-space platforms
tacsat 3
HSI Sensor Representation

Mobile Ground Station

Satellite Mobility



UHF Data Downlink

to Remote WarFighter

SGLS Sensor Tasking

SGLS or UHF Data Downlink

Oct 06 – 1st Handover

Initial Satellite Capability (GRoSP “partial” LEO Mobility, Initial Satellite command and control )

Initial Sensor capability (EO-visible)

Ironed out viable handover process with PEO STRI

Feb 07 – 2nd Handover

Mobile Ground Station modeled

Jul 07 – 3rd Handover

IR sensor models added

Additional Satellite models added

Initial JBFSA capability added

MEO/GEO Mobility added

Initial GPS Capability added (DoP algorithm developed, Entire GPS constellation modeled – 32 satellites, 6 additional sensor satellites added)


Feb 08 – 4th Handover

  • SATCOM Constellation expanded(~100 satellites: Current – Iridium, AFSAT/EHF, UHF, DSCS, Milstar, WGS I, Inmarsat )
  • Initial crosslink communications implemented
  • User GUI developed for scenario development – standard satellite groups
  • MSI/HSI Sensor effects modeled – sensor able to be adapted to space and ground entities
  • Initial TACSAT 3 model developed
  • Full LEO Mobility added