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Future Communications Study Technology Assessment Team: Suggested Phase III Activities

This document presents the suggested Phase III activities for the Future Communications Study (FCS) technology investigation, focusing on detailed evaluation of two additional technologies for the future radio system. The activities include screened technology analyses, common model/tool development, DME and Mode S interference measurements, and final technology evaluation and recommendations.

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Future Communications Study Technology Assessment Team: Suggested Phase III Activities

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  1. 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

  2. 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 metrics) • Detailed technology investigation knowledge

  3. Phase III Detailed Technology Evaluation Activities • Three major task areas have been identified • Screened Technology Analyses (with focus on technologies not yet investigated) • Candidate technologies for additional detailed investigations include W-CDMA, B-VHF and L-Band E-TDMA • Common Model/Tool Development • DME and Mode S Interference Measurements • Final Technology Evaluation and Recommendations

  4. Task Area 1: Screened Technology Analyses • Objective • Detailed analysis of the suitability of Phase II recommended technologies as FRS solutions • Initial technology study focus is WCDMA • Other candidates: B-VHF or E-TDMA • These are the best performing technologies that have not yet been analyzed in detail • The goal of this activity is to determine each of these technologies as fitting into one of the following categories as a FRS solution • A totally suitable existing technology for the FRS • A custom solution for the FRS to meet aviation needs • A hybrid technology solution

  5. Task Area 1: Screened Technology Detailed Analyses

  6. 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)

  7. Task Area 1: Example Evaluation Tools/Models

  8. Task Area 1: Tool Development Objectives and Approach • Objective • Develop consensus on required tools/models for future radio system technology evaluation • Tool/model development • Approach • Participate in consensus meetings to identify tools/models required for technology evaluation • Determine format for tools/models • Support tool/model development and validation

  9. 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

  10. 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

  11. 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

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