Geometry of GPS relative positioning

Authors: Santerre, Rock; Geiger, Alain
Abstract: GPS positioning is often assimilated to trilateration and even to triangulation methods. Both comparisons are wrong because GPS observations are pseudoranges containing clock errors. The geometric interpretations of GPS relative positioning and trilateration method are presented. Receiver clock parameter is also analyzed from a geometric point of view. The generalization of positioning solutions is made without and with observations redundancy. The geometry of the propagation of systematic errors into positioning solutions is also shown, especially the tropospheric (and the ionospheric) delay.
Document Type: Article de recherche
Issue Date: 24 February 2018
Open Access Date: Restricted access
Document version: VoR
This document was published in: GPS Solutions, Vol. 22 (83),50-64 (2018)
Springer Link
Alternative version: 10.1007/s10291-018-0713-2
Collection:Articles publiés dans des revues avec comité de lecture

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