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Analysis of Alternatives of Civil Requirements Civil GPS Service Interface Committee March 10, 2004 s s s s s s s s s s s s s s s s Hank Skalski U.S. Department of Transportation Overview Background Scope Process Summary Background What is an Analysis of Alternatives (AoA)

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analysis of alternatives of civil requirements

Analysis of AlternativesofCivil Requirements

Civil GPS Service Interface Committee

March 10, 2004

s s s s s s s s s s s s s s s s

Hank Skalski

U.S. Department of Transportation

overview
Overview
  • Background
  • Scope
  • Process
  • Summary
background
Background
  • What is an Analysis of Alternatives (AoA)
  • An AoA is conducted to make reliable, objective assessment of the available options for meeting the needs of various applications
    • An AoA is an analytical comparison of the operational effectiveness and cost of proposed materiel solutions to shortfalls in operational capability
    • AoA’s document the rationale for identifying a preferred solution or solutions to the shortfalls
background4
Background
  • Conduct a Civil GPS Position, Navigation, and Timing (PNT) Analysis of Alternatives (AoA) to recommend alternatives for meeting civil GPS user requirements.
    • Analyze civil PNT requirements
    • Evaluate alternative solutions against requirements
      • Analyze the proper mix of GPS III improvements, augmentation system support, and alternative solutions for meeting various requirements.
    • Provide recommendations and analytical data to support and validate civil requirements for GPS III
scope
Scope
  • Options: Multitude of GPS III improvements, augmentation systems, and alternative solutions to study
    • Improvements to all segments of GPS
    • Augmentation / other systems
      • Wide Area Augmentation System (WAAS)
      • Local Area Augmentation System (LAAS)
      • National Differential GPS (NDGPS)
      • High Accuracy NDGPS (HA-NDGPS)
      • Continuously Operating Reference Stations (CORS)
      • Global Differential GPS (GDGPS)
    • Non-GPS based alternatives
process
Process
  • Methodology
    • Effectiveness Analysis
    • Modeling and Simulation
    • Cost Analysis
  • Results of the cost analysis are combined with the results of the effectiveness analysis to identify the alternative(s) that represent the best value.
aoa study team
AoA Study Team
  • Study Director: Mr. Hank Skalski
  • Study Team:
    • Subject Matter Experts (criteria)
      • Knowledgeable
      • Operational expertise
    • General Dynamics Analysis Team
      • Provide research
      • Conduct analysis
      • Document results

KEY TO SUCCESS

schedule
Schedule

2003

2004

Study Plan

Model Development/Modification

Initial Analysis

Mid – Term Analysis

Final Analysis & Report

summary
Summary
  • The AoA of Civil PNT requirements will provide the civil decision makers the essential tools to identify the proper solution(s) for meeting future civil GPS requirements:
      • Making a compelling statement for GPS III civil user requirements
      • Identifying the most beneficial alternatives for the civil community