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ADS-C OPA

ADS-C OPA. WG78/SC214 Sub-group meeting 13-17 Feb 12. RSP Specifications. ADS-C OPA: Annex G. Different RSP Specs: ENR-1/TMA/APT 1) ENR-2 2) 1) ENR-1/TMA/APT, Perf Spec labelled as ‘RSP’, despite reports are used for ATCComm and 4DTBO 2) No re-assessment of Perf Specs for ENR-2.

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ADS-C OPA

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  1. ADS-C OPA WG78/SC214 Sub-group meeting13-17 Feb 12

  2. RSP Specifications ADS-C OPA: Annex G • Different RSP Specs: • ENR-1/TMA/APT 1) • ENR-2 2) • 1)ENR-1/TMA/APT, Perf Spec labelled as ‘RSP’, despite reports • are used for ATCComm and 4DTBO • 2) No re-assessment of Perf Specs for ENR-2 • Requirements and Recommendations (Rec) • ‘Rec’ for ACSP, ATSU, Initiator, Recipient • GOLD format: • Perf Specs for ATSP, AO, AC System and ACSP (mainbody) • includes statements on means of compliance

  3. Commonalities of RSP Specs Exponential Approach for timing Allocations (99.9% and 95%) Timings Specification Same ADS-C Generation Time Same Aircraft and ATSU system timings Availability Specification for ACSP, ATSU: Efficiency and Safety

  4. Main Differences Timings for ACSP ENR-1/TMA/APT: short (as for CPDLC) ENR-2: long (satcom) • RSP Specification • ENR-1/TMA/APT: • Single/1stPeriodic/Baseline report • Next Periodic/Event report  Needed? • ENR-2: • Next Periodic/Event report

  5. RSP TRN Reaction TSD for ADS-C - Demand/Periodic/Event Contract AIRCRAFT ATSU ACSP Controller ATSU System Comm. service Aircraft System FMS (Initiator) Composition ADS-C Request (Demand/Periodic/Event) Generation ADS-C report RSTP Positive Ack Single/1st Periodic/ Baseline report Recognition (Initiator) Event/Periodic Timeout Generation ADS-C report Composition (Initiator) RSP Next Periodic/ Event Report RSTP=TRN Recognition (Recipient)

  6. RSP Specification: ENR-1/TMA/APT • Based on 2Kbyte EPP report: • Basic data + 20 waypoints with EPP data RSP Specification: RSP120 for Single/1st Periodic/Baseline Time-out at 100 seconds for controller RSP95 for Next Periodic/Event Needed? See Annex G - G.5.1

  7. RSP Specification: ENR-2 Based on existing docs: ED122 and GOLD v1.0 • RSP Specification: • For Next Periodic/Event only • RSP180 and RSP400 • Timing allocations differ from GOLD (now Expon approach) See Annex G - G.5.2

  8. ENR-1/TMA/APT: RSP95 & RSP120 (1) ADS-C Generation GND Timer ADS-C Generation

  9. ENR-1/TMA/APT: RSP95 & RSP120 (2)

  10. ENR-2: RSP180 (‘78/214’) & RSP180 (GOLD-v1) ADS-C Generation

  11. ENR-2: RSP400 (‘78/214’) & RSP400 (GOLD-v1) ADS-C Generation

  12. ENR-2: RSP180/400 & RSP180/400 same in WG78/SC214 and GOLD-v1)

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