A I R T R A F F I C O R G A N I Z A T I O N Future Communications Study Technology Assessment Team: Suggested Phase III Activities Presented at ICAO ACP WGC Meeting, Brussels, Belgium September 19, 2006 Prepared by: ITT/Glen Dyer, Tricia Gilbert NASA/James Budinger
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A I R T R A F F I C O R G A N I Z A T I O N Future Communications Study Technology Assessment Team: Suggested Phase III Activities Presented at ICAO ACP.
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A I R T R A F F I C O R G A N I Z A T I O N
Future Communications Study Technology Assessment Team: Suggested Phase III Activities
Presented at ICAO ACP WGC Meeting, Brussels, Belgium
September 19, 2006
Prepared by:ITT/Glen Dyer, Tricia Gilbert
NASA/James Budinger
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Background
• Phase III of the Future Communications Study (FCS) technology investigation has recently commenced– Focus of Phase III is detailed investigation of two additional
technologies initially screened in Phase I and II activities to evaluate applicability for the future radio system
• Phase III builds upon knowledge gained in first two study phases– General technology knowledge (e.g. technology concepts of use
for aviation application)– Evaluation criteria knowledge (derived and traceable evaluation
Task Area 1: Common Model/Tool Development Overview
• Approach identified in original FCS documentation calls for “simulation of screened technologies”, for example:– Define common environmental models/loading scenarios for
evaluating technologies
– Build representative models for candidate technologies
– Evaluate technology performance
• Must ensure developed tools/models for Phase III analysis address the range of evaluation criteria proposed for technology selection, including– Technical criteria – addressing required functionality and
performance of the future radio system
– Institutional criteria – addressing factors of a technology that make it a viable candidate solution (e.g. cost/risk factors)
Task Area 2: DME and Mode S Interference Measurements
• Objective– Further characterization of
DME and Mode S equipment interference performance against proposed modulation types for the FCS; particularly susceptibilities from the following types of equipment
• CDMA• MCM• Narrowband Digital
• Approach– This activity will consist of the
six interrelated tasks shown in the figure
1. Develop Test Plan & Procedures
2. Specify Interference
Sources to Evaluate
3. Procure or develop equipment
to emulate interference sources
4. Conduct Bench Tests Against DME
& Mode-S Receivers
5. Analyze and Reduce Data
6. Report Results
Interference Measurements
Current Activities
1. Develop Test Plan & Procedures
2. Specify Interference
Sources to Evaluate
3. Procure or develop equipment
to emulate interference sources
4. Conduct Bench Tests Against DME
& Mode-S Receivers
5. Analyze and Reduce Data
6. Report Results
Interference Measurements
Current Activities
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Task Area 3: Final Technology Evaluation and Recommendations
• Objectives– Solicit, collect, and assess a wide
range of stakeholder inputs and feedback
– Perform the final technology evaluation and develop appropriate recommendations
• Approach– Combine technology performance
assessment against derived criteria with synthesis of a wide range of stakeholder input/feedback to fully reflect stakeholder requirements
• Facilitated through a more extensive application of the defined Analytical Hierarchy Process
6. Evaluate Technologies vs. AHP Criteria6. Evaluate Technologies vs. AHP Criteria 7. Comparison of AHP Criteria Pairwise7. Comparison of AHP Criteria Pairwise
8. Calculate Evaluation Scores(Calculate Overall Priorities for Alternatives)
8. Calculate Evaluation Scores(Calculate Overall Priorities for Alternatives)
9. Sensitivity Analysis9. Sensitivity Analysis
3a. Update/Create
TechnologyConcepts of Use
3a. Update/Create
TechnologyConcepts of Use
TechnologyScreening
Detailed Evaluations
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Action Request
• The ACP Working Group is invited to consider the technology investigation activities described in this paper, and provide comments if desired
• It is recommended that the ACP Working Group discuss and agree upon the desired outcome of the Future Communications study
• It is recommended that the ACP Working Group discuss and agree upon the need for a comprehensive modeling approach against all evaluation criteria and specify model structures for each