Research Article

Improved Mitigation Method for the Multipath Delays of BDS-3 Code Observations with the Aid of a Sparse Modeling Algorithm

Table 3

Strategy for the single-frequency PPP solution [2].

ParametersMain configurations

ObservationsFour frequencies of phase and pseudorange (B1I, B3I, B1C, and B2a)
Cutoff elevation angle
Weigh assignmentElevation-dependent (below 30° by 1/2sin (elevation))
Epoch interval30 seconds per epoch
Ionospheric parametersPrior walk
Tropospheric parameters wet components
Satellites PCOhttp://www.igmas.org
Tide modelsInternational earth rotation and reference systems (IERS) 2010
RelativityIERS 2010
Gravity modelEGM 08 model with orders
Satellites PCVIgnored
Station positionsEstimated and output
Receivers clock errorsEstimated and output
Ambiguity parametersFloat solutions