Long-duration carrier-smoothed-code algorithm for GPS positioning
Resource
Position Location and Navigation Symposium, IEEE 2000
Journal
Position Location and Navigation Symposium, IEEE 2000
Pages
-
Date Issued
2000-03
Date
2000-03
Author(s)
Chen, H.S.
Wang, L.S.
Chang, F.R.
DOI
N/A
Abstract
To manage the problems arising during long-term positioning by using the GPS (Global Positioning System) signals, the so-called long-duration carrier-smoothed-code (LCSC) algorithm was developed. Based on the classical carrier-smoothed-code (CSC) method, a Kalman filter is used to predict the carrier phase and to compensate the lost carrier phase once cycle slip happens. A fuzzy-control-based tuning algorithm is applied to adjust the weightings between the carrier signal and code signal in the CSC method. A least-square method is used to solve the inevitable problem of satellite changes during long-term navigation. From both static and dynamic experiments, the LCSC indeed provides a more stable method in long-term positioning.
SDGs
Type
other
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