False Lock Probability in BOC Signals

Adrià Gusi, Pau Closas, Jose A. Garcia-Molina

Peer Reviewed

Abstract:	Locking on side lobes causes the time of arrival (TOA) estimate to be biased and thus it has a dramatic effect on the overall position, velocity and time solution. Avoiding this false locking is known to be extremely challenging and is, indeed, one of the most active research areas in the GNSS field nowadays. The scope of this article is to derive the false lock probability for those GNSS signals exhibiting multiple sidelobes in the autocorrelation function (ACF). In particular, this contribution evaluates the false lock probability in Binary Offset Carrier (BOC) modulated signals, with focus on multicorrelator schemes. The result serves as a benchmark for the newly developed methods and algorithms aimed at overcoming the false locking in this type of signals. The obtained result is valid both at high and low signal-to-noise ratio (SNR) regimes.
Published in:	Proceedings of the 2016 International Technical Meeting of The Institute of Navigation January 25 - 28, 2016 Hyatt Regency Monterey Monterey, California
Pages:	618 - 623
Cite this article:	Gusi, Adrià, Closas, Pau, Garcia-Molina, Jose A., "False Lock Probability in BOC Signals," Proceedings of the 2016 International Technical Meeting of The Institute of Navigation, Monterey, California, January 2016, pp. 618-623. https://doi.org/10.33012/2016.13440
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