Research Article

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

Table 1

Standard deviations () of multipath series at frequencies B1I, B3I, B1C, and B2a for BDS-3 satellite observations.

B1IB3IB1CB2a
MEOIGSOMEOIGSOMEOIGSOMEOIGSO

MGEXOriginal series0.3000.2950.2090.2870.2280.2250.2400.194
Scheme 10.2860.2810.1990.2730.2160.2140.2280.185
Scheme 20.1940.1930.1050.1910.1260.1330.1380.102
Scheme 30.1690.1720.0970.1880.1140.1190.1290.098

iGMASOriginal series0.3110.4070.2660.3680.3160.4950.2590.347
Scheme 10.2960.3880.2540.3500.3010.4720.2470.331
Scheme 20.2140.3330.1860.3030.2080.3670.1750.226
Scheme 30.2090.2850.1800.2420.1960.3550.1710.224