GPS Multipath Induced Errors for the Vector Tracking Loop: Insight into Multipath Detection
作者： Elie Amani , Jean-Rémi De Boer , Willy Vigneau , Karim Djouani , Anish Kurien
DOI:
关键词: Global Positioning System 、 Electronic engineering 、 Phase (waves) 、 Computer science 、 Delay spread 、 Code (cryptography) 、 Multipath propagation 、 Tracking error 、 Correlation function (quantum field theory) 、 Tracking (particle physics)
摘要: Multipath is one of the most serious sources error in Global Positioning System (GPS). distorts correlation function used for carrier phase and code delay measurements, therefore induces errors these measurements consequently calculated positioning solution. This paper aims at characterizing multipath induced tracking a vector loop (VTL). The contributes to characterization VTLs by deriving models that allow analysis both with respect delay, fading frequency. further provides simple detection technique based on correlator outputs, showing another advantage VTL over scalar (STL).
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