The main changes that have occurred in recent years in the methods of warfare are considered. The object of research is the process of information transfer in complexes with unmanned aerial vehicles, widely used in modern conditions of military operations.
The necessity of ensuring resistant to imitation transmission information in the complexes with unmanned aerial vehicles in performing their assigned tasks. The analysis of possible ways of protection of the transmitted information from imitations by the opponent is executed, the main advantages and disadvantages of the known decisions are considered, the direction for carrying out researches is offered. The aim of the research is to develop models of data protection from enemy simulation of radio-transmitted complexes with unmanned aerial vehicles. The aim of the study is to increase the protection of radio channels from the simulated effects of the enemy in complexes with unmanned aerial vehicles. The proposed way of ensuring resistant to imitation transmission information via communication channels using block-separable codes based on the procedures of the encryption mode XOR and managed permutation. An example of a device implementing this method and the order of its functioning is presented. Produced assessment of the potential gains from the use of this way of providing resistant to imitation transmission information in comparison with the use of message authentication code from the viewpoint of improving correcting ability of error-correcting codes used and increasing the speed of transmission of useful information. It is concluded that it is necessary to continue further research in this direction to justify the choice of criteria for determining the fact of simulation of transmitted data by the enemy and modeling the data transmission process using the described way in Matlab.