GLONASS CDMA L3 ambiguity resolution and positioning

GLONASS CDMA L3 ambiguity resolution and positioning

Zaminpardaz, Safoora (Curtin University)
Teunissen, P.J.G. (TU Delft Mathematical Geodesy and Positioning; Curtin University)
Nadarajah, Nandakumaran (Curtin University)

2016-05-18

A first assessment of GLONASS CDMA L3 ambiguity resolution and positioning performance is provided. Our analyses are based on GLONASS L3 data from the satellite pair SVNs 755-801, received by two JAVAD receivers at Curtin University, Perth, Australia. In our analyses, four different versions of the two-satellite model are applied: the geometry-free model, the geometry-based model , the height-constrained geometry-based model, and the geometry-fixed model. We study the noise characteristics (carrier-to-noise density, measurement precision), the integer ambiguity resolution performance (success rates and distribution of the ambiguity residuals), and the positioning performance (ambiguity float and ambiguity fixed). The results show that our empirical outcomes are consistent with their formal counterparts and that the GLONASS data have a lower noise level than that of GPS, particularly in case of the code data. This difference is not only seen in the noise levels but also in their onward propagation to the ambiguity time series and ambiguity residuals distribution.

ADOP
CDMA
GLONASS
GPS
Integer ambiguity resolution
PDOP

http://resolver.tudelft.nl/uuid:344a33df-a7d1-4098-9817-0ce31e8b9689

https://doi.org/10.1007/s10291-016-0544-y

1080-5370

GPS Solutions (online), 21 (2), 535–549

Institutional Repository

journal article

© 2016 Safoora Zaminpardaz, P.J.G. Teunissen, Nandakumaran Nadarajah