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Development of standards for aeronautical satellite navigation system

Development of standards for aeronautical satellite navigation system. Dr. Percy Lin Jenny Chen 9223717. Development of standards for aeronautical satellite navigation system. Victor Iatsouk ACTA ASTRONAUTICA 54(2004)961-963.

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Development of standards for aeronautical satellite navigation system

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  1. Development of standards for aeronautical satellite navigation system Dr. Percy Lin Jenny Chen 9223717

  2. Development of standards for aeronautical satellite navigation system • Victor Iatsouk • ACTA ASTRONAUTICA 54(2004)961-963

  3. Development of standards for aeronautical satellite navigation system • Abstract • Introduction • Development of SARPs • Conclusions

  4. Abstract • ICAO (International Civil Aviation Organization )develops the standards and procedures to supports transition to the CNS/ATM systems 國際民航組織 • CNS/ATM (Communication, Navigation, Surveillance )(Air Traffic Management) include Global Navigation Satellite System(GNSS) 通信.導航.監視/飛航管理

  5. Abstract • Global Navigation Satellite System(GNSS) 全球衛星導航系統 • Global Navigation Satellite System Panel (GNSSP) was established by the ICAO Air Navigation Commission in 1993 with the basic objective to develop ICAO standards and recommended practices (SARPs) and guidance material as required to support aeronautical GNSS applications world-wide.

  6. Abstract • Standards and Recommended Practices (SARPs) 國際民航組織之標準及建議措施 • GNSS SARPs be adopted and published by ICAO in 2001 • Further objective is under way to introduce new satellite constellations and systemelements in an evolutionary fashion

  7. Introduction • In the early 1980s,the ICAO Council established the special committee on Future Air Navigation System(FANS)to develop CNS/ATM which was endorsed in September 1991. FANS 未來空中航行系統

  8. Introduction • ICAO developed the document for CNS/ATM system(ICAO Global Plan )as a strategic document to guide the implementation of CNS/ATM systems. 國際民航組織全球計劃

  9. Introduction • “ Communication, Navigation and Surveillance system, employing digital technologies, including satellite system together with various levels of automation , applied in support of a seamless global Air Traffic Management system.”

  10. Development of SARPs • Integrated GNSS the United Stated’ GPS and the Russian Federation’s GLONASS Global positioning system (GPS) 全球定位系統 Global orbiting navigation satellite system(GLONASS) 全球軌道衛星導航系統

  11. Development of SARPs • ICAO work on GNSS covers a wide variety of issues including institutional and legal issues, economics, operational procedures and criteria, and technical standardization. • In 1993 GNSSP develop ICAO SARPs and guidance material as required to support aeronautical applications of GNSS word-wide.

  12. Development of SARPs • GNSS SARPs are split into two parts: 1. Basic provisions specifying system level functional and performance requirements;any amendments to this part of SARPs are subject to regular ICAO procedure involving consultation with States; and

  13. Development of SARPs 2. Detailed technical specifications which can be amended through abbreviated procedure not involving States.

  14. Development of SARPs • The existing navigation satellite constellations alone do not meet aviation requirements particularly in terms of accuracy and integrity. • To satisfy these requirements, three forms of augmentations were established in SARPs, namely ABAS, SBAS and GBAS.

  15. Development of SARPs • Current GNSS standards define the following system elements: . GPS 全球定位系統 . GLONASS 全球軌道衛星導航系統 . ABAS (Aircraft-Based Augmentation System) 航基增強系統 . SBAS (Satellite- Based Augmentation System)星基增強系統 . GBAS (Ground- Based Augmentation System) 陸基增強系統 . GNSS receivers

  16. Development of SARPs • The first package of GNSS SARPs : . Developed to support navigation in en-route phases of flight . Operated in terminal areas . precision approach and landing operations down to the 60m(200 ft)decision height and the 800m visibility (Category I precision approach)

  17. Development of SARPs • The largest part of SARPs contains technical specifications for each element of the system including : . RF characteristics . Coverage definitions . Message data content . Protocols for data applications monitoring and basic receiver functions and interference immunity

  18. Development of SARPs • Current program of the GNSS Panel in the standardization work area contains: . GPS L5 signal . GALILEO . GRAS – a wide-area configuration of GBAS . GLONASS-M . Category II/III GBAS; and . GNSS architectures to support aerodrome surface operations, guided take-off; curved approaches

  19. Conclusions • New civil signals and elements are designed and become available for general use. • The satellite navigation cannot be accomplished over a short term and will require a long-term commitment.

  20. Conclusions • CNS/ATM issues, up-to-date information on GNSS status, its future architecture and levels of service that could be provided at the various stages of system evolution.

  21. Conclusions • Thanks for your patient.

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