P. S. Oblov1, V. A. Mironov2, A. V. Korennoj3, M. P. Belyaev4
1–4 VUNTS of the Air Force «VVA» (Voronezh, Russia)

1 oblov1997@yandex.ru, 2 mirvam@liv.ru, 3 korennoj@mail.ru, 4 belyaev_mp@mail.ru

The analysis of the dynamics of development of navigation equipment for consumers of global navigation satellite systems (NEC GNSS) shows that low-channel NEC GNSS are currently of the greatest interest, due to the peculiarities of their characteristics, in particular, low energy consumption, relative low cost and small size. The navigation receivers under consideration function on the basis of processing navigation signals of a common open segment, the accessibility of which is both the main reason for the demand for satellite navigation and the main reason for the exposure of NEC GNSS to deliberate interference. In this regard, the issue of developing such NEC GNSS protection measures, which will take into account the peculiarities of building low-channel consumer equipment, is relevant, since the currently available devices and methods of protection are not applicable for low-channel equipment due to the characteristics of the latter. To solve this problem, it is necessary to conduct research aimed at evaluating the performance of the low-channel NEC GNSS system under the influence of simulating interference.

The characteristics of functioning of low-channel NEC GNSS search and detection system under the influence of simulating interference of different power have been calculated. Vulnerability characteristics of the navigation signal search and detection system have been obtained. Using the mathematical apparatus of the theory of semi-Markov processes, the model of functioning of consumer navigation equipment has been constructed and has been described mathematically. The probabilistic characteristics of functioning of consumer equipment under the influence of simulated interference have been calculated.

Oblov P.S., Mironov V.A., Korennoj A.V., Belyaev M.P. Characteristics of the system for searching and detecting satellite navigation signal receiver under conditions of simulated interferences. Antennas. 2024. № 5. P. 26–36. DOI: https://doi.org/10.18127/ j03209601-202405-03 (in Russian)

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