2023
DOI: 10.3390/rs15215253
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An Improved Carrier-Smoothing Code Algorithm for BDS Satellites with SICB

Qichao Zhang,
Xiaping Ma,
Yuting Gao
et al.

Abstract: Carrier Smoothing Code (CSC), as a low-pass filter, has been widely used in GNSS positioning processing to reduce pseudorange noise via carrier phases. However, current CSC methods do not consider the systematic bias between the code and carrier phase observation, also known as Satellite-induced Code Bias (SICB). SICB has been identified in the BDS-2 and the bias will reduce the accuracy or reliability of the CSC. To confront bias, an improved CSC algorithm is proposed by considering SICB for GEO, IGSO, and ME… Show more

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