A.I. Perov1

1 National Research University «MPEI» (Moscow, Russia)

1 alexp@aha.ru

Navigation apparatus of Global Navigation Systems (GNSS) are wildly used in many applications. To improve characteristics of navigational support in GLONASS GNSS there are introduced BOC (binary offset carrier) modulated radiosignals. Such modulation technique is used in GPS, Galileo, Beidou GNSS. It is known that BOC modulated radiosignals have envelope correlation function with several extremums. It leads to the fact that during signal acquisition signal is fixed in acquisition cells that are corresponded to a subsidiary extremum of the envelope correlation function. To fight this there are published a lot of algorithms that remove or relax these effects. However, in known publications there are lack of analysis attendant factors that cold be reduced during signal acquisition.

Objective. To conduct comparative analysis of acquisition algorithms of BOC modulated radiosignals that use special modulation functions for reference signals and eliminate multi-extremums of cross-correlation function input and reference signals.

Perov A.I. Comparative analysis of acquisition algorithms of BOC modulated radiosignals in Global Navigation System. Radiotekhnika. 2025. V. 89. № 9. P. 33−44. DOI: https://doi.org/10.18127/j00338486-202509-03 (In Russian)

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