GLONASS CDMA L3 ambiguity resolution and positioning

Zaminpardaz, S, Teunissen, P and Nadarajah, N 2017, 'GLONASS CDMA L3 ambiguity resolution and positioning', GPS Solutions, vol. 21, no. 2, pp. 535-549.


Document type: Journal Article
Collection: Journal Articles

Title GLONASS CDMA L3 ambiguity resolution and positioning
Author(s) Zaminpardaz, S
Teunissen, P
Nadarajah, N
Year 2017
Journal name GPS Solutions
Volume number 21
Issue number 2
Start page 535
End page 549
Total pages 15
Publisher Springer
Abstract 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.
Subject Navigation and Position Fixing
Keyword(s) ADOP
CDMA
GLONASS
GPS
Integer ambiguity resolution
PDOP
DOI - identifier 10.1007/s10291-016-0544-y
Copyright notice © 2016, The Author(s).
ISSN 1080-5370
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