DocumentCode :
1556681
Title :
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
Link To Document :
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