Hierarchical model of information signals formation at the physical layer in FANET

• G. S. Vasilyev Universidad del Zulia http://orcid.org/0000-0003-1681-5223
• O. R. Kuzichkin Belgorod State University, Belgorod, 308015, Russia http://orcid.org/0000-0003-0817-223X
• I. A. Kurilov Vladimir State University, Vladimir, 600000, Russia http://orcid.org/0000-0003-1901-7411
• D. I. Surzhik Vladimir State University, Vladimir, 600000, Russia http://orcid.org/0000-0002-0101-3503

Resumen

Creation of reliable and efficient flying ad-hoc networks (FANET) requires detailed development of the model of the physical layer of data transmission, determined by the conditions of operation of the networks. The problems of well-known software simulators of communication networks are the simplified nature of the physical layer, as well as the inability to obtain specific analytical solutions in the process of simulation. The hierarchical model of formation of information signals which allows to represent various types of communication channels and the channel-forming equipment, for providing their analytical description and the further analysis is developed. The model allows to describe communication channels between UAVs and (or) ground control centers taking into account the effects of attenuation, intersymbol interference, multipath propagation of signals; schemes of terminal and intermediate network equipment with linear and nonlinear signal conversion; circuits with forward regulation, backward regulation and combined regulation; circuits with multi-channel signal generation and processing, as well as cross-links between channels. Analytical expressions of the transfer function of the generalized hierarchical model for an arbitrary number of disclosed levels of hierarchy are obtained. An example of the presentation and study of the UAV transmitter circuit on the basis of a hierarchical model of signal formation is considered.

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