A Comparative Study for Performance Analysis of Kinematic Multi-Constellation GNSS PPP in Dynamic Environment
作者： Serdar Erol
DOI: 10.3390/JMSE8070514
关键词:
摘要: This case study aims to investigate the effect of different Multi-GNSS EXperiment (MGEX) precise products provided by International GNSS Service (IGS) Analysis Centers (ACs) on post-processing kinematic Precise Point Positioning (PPP) accuracy performance with satellite system combinations in a dynamic environment. Within this frame, test was carried out lake and data were collected over 6 h at 1 Hz rate from available Global Navigation Satellite System (GNSS) constellations geodetic-grade receiver fixed marine vehicle for bathymetric mapping. PPP-derived coordinates determined commercial software processing approaches as GPS (Global System)-only, GPS+GLObal’naya NAvigatsionnaya Sputnikovaya Sistema (GLONASS), GPS+GLONASS+European (Galileo), GPS+GLONASS+Chinese (BeiDou), GPS+GLONASS+Galileo+BeiDou. The PPP then compared reference obtained post-processed carrier phase-based differential solutions. In general, results showed that multi-constellation technique could provide positioning cm decimeter level depending used processing. Among all solutions, GPS+GLONASS+Galileo+BeiDou combination German Research Centre Geosciences (GFZ)’s presented best multi-GNSS performance, rather than other quad-constellation alternatives using products. study, procedure are given detail.
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