Analysis and comparison of GNSS code tracking with different discriminators
Analysis and comparison of GNSS code tracking with different discriminators
- Author(s): X. Zhang ; H.L. Xu ; X.Q. Zhan
- DOI: 10.1049/cp.2011.0838
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- Author(s): X. Zhang ; H.L. Xu ; X.Q. Zhan Source: IET International Communication Conference on Wireless Mobile and Computing (CCWMC 2011), 2011 p. 15 – 19
- Conference: IET International Communication Conference on Wireless Mobile and Computing (CCWMC 2011)
- DOI: 10.1049/cp.2011.0838
- ISBN: 978-1-84919-505-8
- Location: Shanghai, China
- Conference date: 14-16 Nov. 2011
- Format: PDF
Code tracking is an indispensible operation of a Global Navigation Satellite System (GNSS) receiver. This paper provides analytical expressions for tracking loop performances using quasi-coherent dot product discriminator under small error conditions. Expressions are derived for root mean squared tracking error for arbitrary Signal-in-Space (SIS) spectra, Gaussian noise and non-white interference. Theoretical expressions are compared with previous work and numerical results are provided to examine the effect of different discriminators, SIS modulation designs and types of interference.
Inspec keywords: discriminators; satellite navigation; Gaussian noise; radiofrequency interference; mean square error methods
Subjects: Interpolation and function approximation (numerical analysis); Modulators, demodulators, discriminators and mixers; Electromagnetic compatibility and interference; Radionavigation and direction finding
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