Code Tracking Variance Analysis for GNSS Receivers with "Strobe Correlators"

Author

Jinghui Wu ; Dempster, A.G.

Author_Institution

Sch. of Surveying & Spatial Inf. Syst., Univ. of New South Wales, Sydney, NSW, Australia

Volume

48

Issue

3

fYear

2012

fDate

7/1/2012 12:00:00 AM

Firstpage

2760

Lastpage

2782

Abstract

To measure noise performance of various correlation techniques, a generic theoretical code variance expression is provided here for arbitrary signal spectra and additive white Gaussian noise. The expression is valid for code discriminators using noncoherent dot-product type structures whose coherent component is based on linear reference waveform shaping. The variance of the proposed BOC-gated-PRN (BOC-GPRN) discriminator and other existing "strobe correlators" are analysed theoretically and validated empirically. Parameter selections are suggested for their optimum noise performance.

Keywords

radio receivers; satellite navigation; BOC-GPRN discriminator; BOC-gated-PRN discriminator; GNSS receivers; Global Orbiting Navigation Satellite System; additive white Gaussian noise; arbitrary signal spectra; binary offset carrier modulations; code discriminators; code tracking variance analysis; generic theoretical code variance expression; linear reference waveform shaping; noncoherent dot-product type structures; optimum noise performance; strobe correlators; Bandwidth; Correlation; Correlators; Noise; Noise measurement; Radar; Tracking loops;

fLanguage

English

Journal_Title

Aerospace and Electronic Systems, IEEE Transactions on

Publisher

ieee

ISSN

0018-9251

Type

jour

DOI

10.1109/TAES.2012.6237628

Filename

6237628