Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2020. No. 9

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DOI  https://doi.org/10.30898/1684-1719.2020.9.13

UDC 621.396.9




V. I. Philatov 1, A. V. Suhov 2, M. А. Zaitsev 3, A. A. Genov 4

1 Bauman Moscow State Technical University, Baumanskaya 2-ya str., 5/1, Moscow 105055, Russia

2 Moscow Aviation Institute (National Research University), Volokolamskoe shosse 4, Moscow 125993, Russia

3 Moscow State University named after Vitte, 2-d Kozhuhovskiy proezd, 12-1, Moscow 115432, Russia

4 Scientific Research Institute for System Analysis of the Russian Academy of Sciences, Nakhimovski prosp., 36-1, Moscow 117218, Russia


The paper s received on September 23, 2020


Abstract. The article reviews a radio data transmission channel based on signals with frequency-hopping spread spectrum (FHSS). Calculation and evaluation of the complex noise immunity parameters were carried out. The results of modeling data transmission in the Simulink environment were analysed, the error probability parameters in noise conditions were determined, and partial estimates of the time, space, and energy secrecy of data transmission were determined. Calculations and comparison of the quality characteristics of the developed hardware and software complex, simulation models of the protected information transmission system with increased noise immunity and secrecy were carried out. At the same time, in general, the noise immunity of the extended spectral signala (ESS) with the FHSS is the normal function, performing tasks for transmitting and receiving data in the conditions of radio interference. The received data on the research objects indicates the high noise immunity and secrecy of the radio frequency communication channel of the developed hardware and software complex. To ensure the statistical independence of errors when receiving characters in the mode with the FHSS, a time interleaving is performed on the transmitting side, in which each character of the code word is transmitted over independent frequency channel. As a result of interleaving, the signal in the time area is presented as a unstructured form, which significantly complicates the effective formulation of optimal interference. On receipt, the original representation of characters is returned by the de-interleaving operation. By applying the types of modulation with spectrum expansion that provides a significant expansion of the signal frequency band, a significant increase in the noise immunity of the transmission can be achieved. Noise immunity and secrecy are the two most important components of the noise immunity of extended-spectrum signals (ESS).

Keywords: noise immunity, stealth, error probability, pseudo-random restructuring of the operating frequency, radio channel.


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For citation:

Philatov V.I., Suhov A.V., Zaitsev M.A., Genov A.A. Comprehensive assessment of immunity indicators of modern and perspective information transmission and communication systems. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No.9. https://doi.org/10.30898/1684-1719.2020.9.13 (In Russian)