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PerformanceAnalysisforBeiDouRegionalNavigationSatelliteSystemofNPA

LIU  Ruihua   ZHAO  Qingtian    LYU  Xiaoping    DENG  Mingzhi   

  1. (SchoolofElectronicandinformationengineering,CAUC,Tianjin300300)
  • Received:2015-04-01 Revised:2015-06-05 Online:2015-08-25 Published:2015-08-25

Abstract: AprospectiveresearchforusingtheBeiDouRegionalNavigationSatelliteSystemtocivilaviationapplicationwasmadebasedonthecharacteristicsof“5GEO+5IGSO+4MEO” constellationandrequirementsofnonpreciseapproach(NPA)incivilaviation.Forthreeindexesthevisibilityofspacevehicle,dilutionofprecision(DOP)valuesandhorizontalprotectionlevel(HPL)value,thestatisticalcharacteristicsinAsiaPacificareaandthecomparisonofthreeindexesfor4designateduserlocationswerepresentedbysimulationandanalysis.TheresultsshowthattheBeiDouRegionalNavigationSatelliteSystemhastheabilitytoprovidetheidealnumberofsatelliteinsight,bettervaluesofDOPandHPL,andcanmeetthecurrentneedsoftheabovethreeindexesinNPAflightphase.

Key words: Constellationperformance, Satellitevisibility, Dilutionofprecisionvalue, Receiverautonomousintegritymonitoring, BeiDouregionalnavigationsatellitesystem