Abstract
The article presents some aspects of wireless communication systems dependability used for the army. Free Space Optics (FSO) and optical-radio hybrid (FSO/RF) data transmission technologies were analyzed considering their advantages and disadvantages. In the experimental part, some selected results of the LasBITer research project are described. This project confirmed the significant advantages of the developed hybrid technology. It was shown that FSO links have many advantages, however, they are sensitive to harsh atmospheric conditions, e.g. fog and scintillation. In turn, RF links are characterized by low attenuation in similar weather conditions, but they may be exposed to enemy electronic warfare systems. In such situations, there is need to work in a so-called “radio silence regime” (no radio emission). The combination of both technologies into one FSO/RF hybrid system provides to increase its suitability (up to value of 99.999%), reliability, security of sensitive data transmission, and reduce the probability of detection.
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We acknowledge support by The National Centre for Research and Development- the grant no. DOB-BIO8/01/01/2016.
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Matyszkiel, R., Mikołajczyk, J., Kaniewski, P., Szabra, D. (2020). Increasing the Dependability of Wireless Communication Systems by Using FSO/RF Technology. In: Zamojski, W., Mazurkiewicz, J., Sugier, J., Walkowiak, T., Kacprzyk, J. (eds) Theory and Applications of Dependable Computer Systems. DepCoS-RELCOMEX 2020. Advances in Intelligent Systems and Computing, vol 1173. Springer, Cham. https://doi.org/10.1007/978-3-030-48256-5_41
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