Method for protecting space communication and control systems based on dynamic change of complex signal shapes
Heading:
| 1Stasіev, Yu.V, 1Nepokrytov, DM, 1Parkhomenko, MV, 1Shylo, SG 1Ivan Kozhedub Kharkiv National Air Force University Str. Sumska 77/79, Kharkiv, Ukraine |
| Space Sci. & Technol. 2025, 31 ;(1):77-85 |
| https://doi.org/10.15407/knit2025.01.077 |
| Publication Language: Ukrainian |
Abstract: The experience of operating space systems shows that the effectiveness of such systems significantly depends on the quality of the spacecraft communication and control system. Given that space communication and control systems are accessible to intruders, such systems protect transmitted commands and messages using cryptographic information transformations and special equipment. The algorithms implemented in such systems provide passive protection of the spacecraft control system, protection in which the control equipment refuses to process commands in the presence of powerful interference. Implementation of effective measures is becoming a key component of strategies to protect space communication and control systems, as technological capabilities for attacks on a spacecraft via a radio channel are constantly evolving and becoming more complex. Protection against powerful intentional interference in such systems is carried out using signals with frequency redundancy.
The article discusses the method of dynamic change of signal shapes, which allows to ensure the security of information at the physical level. The analysis of interference protection and imitation resistance of space communication and control systems using various systems of complex signals is carried out. The ensemble characteristics of complex signal systems are analyzed. The results of studies of imitation resistance when using different signal systemsare presented . It is determined that the implementation of the dynamic mode of operation achieves a gain in comparison with traditional algorithms for protecting space communication and control systems. The conditions for the practical implementation of the dynamic mode of operation of space communication and control systems are formulated. Signal systems are proposed that allow solving the problem of security of information transmission in space communication and control systems at the physical level.
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| Keywords: imitation resistance, interference protection, signals with frequency redundancy, space communication and control systems |
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URL:http://pentagonus.ru/publ/perspektivnye_sistemy_i_sredstva_radiosvjazi_t... go_zvena_upravlenija_vs_ssha_2018/11-1-0-2868 (Last accessed: 26.08.24) [in Russian].
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4. Horbenko Y. D., Stasev Yu. V. (1996). Security in Space Communication and Control Systems. Space Science and Technology 2, № 5/6, 64-68 [in Russian].
5. Horbenko Y. D., Stasev Yu. V., Potij A. V., Tkachev A. M. (1998). Proposals for ensuring the security of information in a single satellite information transmission system. Space Science and Technology, 4, № 5/6, 62-66 [in Russian].
https://doi.org/10.15407/knit1998.05.062
6. Horbenko I. D. (2016). Cryptographic protection of information: monograph. Kharkiv: Kharkiv Nat. Univ. of Radioelectronics, 356 p. [in Ukrainian].
7. Gornostaev Yu. M., Sokolov V. V., Nevdyaev L. M. (2000). Perspective satellite communication systems. M.: Publ. house Hot line, 132 p. [in Russian].
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9. Zhuk A. P., Orel D. V. (2012). On the assessment of noise immunity of satellite radionavigation systems. Infocommunication technologies, No. 2 (10), 83-88 [in Russian].
10. Zamula A. A. (2013). Ensemble properties of characteristic discrete signals. Scientific and technical J. Inform. processing systems, No. 8 (115), 213-216 [in Russian]
11. Korkishko T. A., Mel'nyk A. O., Mel'nyk V. A. (2003). Information Protection in Computer and Telecommunication Networks: Algorithms and Processors of Symmetric Block Encryption. L'viv: BAK, 168 p. [in Ukrainian].
12. Lavrich Yu. M., Bistrov M. I., Prisyazhny V. I., Pyaskovsky D. V. (2023). Implementation ofthe technology of underground vibration control of space control. Space Science and Technology, 29, No. 4, 127-140 [in Ukrainian].
https://doi.org/10.15407/knit2023.04.127