D.G. Pantenkov

JSC «Kronstadt» (Moscow, Russia)

Civil, special and dual-use satellite communication systems are used everywhere in space, land, aviation and maritime means of transmitting information to remote subscribers. At the same time, during operation of these systems, one of the main issues is ensuring the required level of noise immunity of communication channels when operating in a complex electromagnetic environment, in conditions of both unintentional and intentional interference. This article proposes a technique for estimating the noise immunity of spacecraft on-board repeaters and satellite earth stations under the influence of intentional interference based on the application of the suppression coordinate law, which takes into account the probabilities of suppressing a useful communication signal depending on the coordinates of interference points by frequency, time, radiation power.

The results of calculations and graphical dependencies based on results of mathematical simulation of impact efficiency on onboard repeaters of spacecraft and terrestrial stations of satellite communication of noise barrier by frequency of interference in modes of repeater functioning both with direct transfer of signal spectrum by frequency and with its processing on board are presented. 

At any stage of design of communication systems in the composition of various complexes of aviation, sea, land, space bases, it is possible to obtain estimates of their noise immunity, or vice versa, when designing electronic warfare, to obtain estimates of suppression of satellite communication systems according to the probability criterion.

Pantenkov D.G. Estimating the noise immunity of spacecraft on-board repeaters and satellite earth stations under the influence of intentional interference. Achievements of modern radioelectronics. 2021. V. 75. № 7. P. 48–63. DOI: https://doi.org/10.18127/ j20700784-202107-04 [in Russian]

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