IRNSS/NavIC and GPS: a single- and dual-system L5 analysis

Zaminpardaz, S, Teunissen, P and Nadarajah, N 2017, 'IRNSS/NavIC and GPS: a single- and dual-system L5 analysis', Journal of Geodesy, vol. 91, no. 8, pp. 915-931.


Document type: Journal Article
Collection: Journal Articles

Title IRNSS/NavIC and GPS: a single- and dual-system L5 analysis
Author(s) Zaminpardaz, S
Teunissen, P
Nadarajah, N
Year 2017
Journal name Journal of Geodesy
Volume number 91
Issue number 8
Start page 915
End page 931
Total pages 17
Publisher Springer
Abstract The Indian Regional Navigation Satellite System (IRNSS) has recently (May 2016) become fully operational. In this contribution, for the fully operational IRNSS as a stand-alone system and also in combination with GPS, we provide a first assessment of L5 integer ambiguity resolution and positioning performance. While our empirical analyses are based on the data collected by two JAVAD receivers at Curtin University, Perth, Australia, our formal analyses are carried out for various onshore locations within the IRNSS service area. We study the noise characteristics (carrier-to-noise density, measurement precision, time correlation), the integer ambiguity resolution performance (success rates and ambiguity dilution of precision), 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 GPS L5-data have a lower noise level than that of IRNSS L5-data, particularly in case of the code data. The underlying model in our assessments varies from stand-alone IRNSS (L5) to IRNSS + GPS (L5), from unconstrained to height-constrained and from kinematic to static. Significant improvements in ambiguity resolution and positioning performance are achievable upon integrating L5-data of IRNSS with GPS.
Subject Navigation and Position Fixing
Keyword(s) ADOP
GPS block IIF
Indian Regional Navigation Satellite System (IRNSS)
Integer ambiguity resolution
Navigation with Indian Constellation (NavIC)
DOI - identifier 10.1007/s00190-016-0996-4
Copyright notice © 2017, Springer-Verlag Berlin Heidelberg.
ISSN 0949-7714
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