›› 2017, Vol. 37 ›› Issue (4): 41-48.doi: 10.16708/j.cnki.1000-758X.2017.0055

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ResearchoncalculationmethodofsignalinspaceuserrangeerrorforBeiDouNavigationSatelliteSystem

 LIU  Rui-Hua*, DONG  Li-Yao, DI  Xian   

  1. SchoolofElectronicInformationandAutomation,CivilAviationUniversityofChina,Tianjin300300,China
  • Received:2016-12-15 Revised:2017-02-20 Online:2017-08-25 Published:2017-06-29

Abstract: Accordingtothedefinitionofsignalinspaceuserrangeerror(URE)andtherootmeansquareURE(rmsURE)calculationmethodgivenintheGlobalPositioningSystemStandardPositioningServicePerformanceStandard(GPS-SPS-PS),theBeiDouNavigationSatelliteSystem(BDS)instantaneousURE(IURE)andrmsUREformulaswerededucedconsideringtheelevationconstrains.Inaddition,BDSUREwascalculatedbytheephemerisdata,andtheBDSreceiverrawobservations.Theresultsshowthatthetwomethodsmatchwell,andbotharelessthan2.5metersinthecaseof95%confidencewhichmeetsthebasicrequirementsofthesignalinspaceUREgivenintheBDSopenserviceperformancestandard(BDS-OS-PS).

Key words: BeiDouNavigationSatelliteSystem, signalinspace, instantaneoususerrangeerror, rootmeansquareuserrangeerror, pseudo-rangeobservationequation