EGNOS SDK Development process - EGNOS Portal

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EGNOS-SDKModule interactionServerReceiverEgnosSISNeTReceiverspecificsLong-Corr.EphemerisFast-Corr.SatelliteIonosphereTropospherePositioningPositioning R&DEnhanced EGNOS and R&D Position (φ λ һ)June 2012 - EGNOS Software Development Kitpag. 8
Max. exceeded – exit, no positionEGNOS-SDKModule interaction - PositioningPositioningx i , y i , z iSatellite positionRange determinationR i = x i − x u 2 + y i − y u 2 + z i − z u2Initial position (Bancroft)Definition of the matrixH = − cos el i sin az i − cos el i cos az i − sin el i 1pr iPseudorangesApply EGNOS CorrectionsPR i = PR i + Fast Corr. + Iono. Corr. + Tropo. Corrt iSatellite clock biasRange differencedPR i = pr i +c. t i + IC i + TC i + PRC i − R iCorrected pseudrangedX = (H T . H) −1 . H T . dPRWWeight matrixSolvedX = (H T . W. H) −1 . H T . W. dPRCheck iterationsUpdate positionsX = X + dXCheck HDOPCheck updateStop|r n−1 − r n | < εr = x u ² + y u ² + z u ²… shows the influence of EGNOSJune 2012 - EGNOS Software Development Kitpag. 9
Page 1 and 2: http://www.egnos-portal.eu/An overv
Page 3 and 4: EGNOS-SDK EnhancementsIntroductionT
Page 5 and 6: EGNOS-SDK OverviewEGNOS-SDK MODULES
Page 7: INPUTEGNOS-SDKOverview / StructureS
Page 11 and 12: Introduction to the high-level func
Page 13 and 14: EGNOS-SDK EnhancementsInformation o
Page 15 and 16: EGNOS-SDK EnhancementsInformation o
Page 17 and 18: EGNOS SDK v2R&D ALGORITHMSJune 2012
Page 19 and 20: EGNOS-SDK EnhancementsR&D Algorithm

EGNOS SDK Development process - EGNOS Portal

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