Abstract
The method of estimating the noise immunity of the radio communication channel of unmanned aerial vehicles under urban conditions for cases of the location of sources of intentional interference on buildings, structures, etc. The results of analysis of the existing methods of protection from intentional interference have shown the need to take into account the volumetric diagrams of the antennae of communication, electronic suppression, which are located at different altitudes. Stable radio communication between units in urban conditions is provided by taking into account the three-dimensionality of the antenna pattern and the heights of the probable location of sources of intentional interference. Therefore, the aim of the scientific article is to improve the method of constructing a reach zone within which stable radio communication between subdivisions in the city is ensured by taking into account the three-dimensionality of the antenna pattern and the various heights of the probable location of sources of intentional interference, which is especially characteristic when using unmanned aerial vehicles for communication. The criterion for the effectiveness of the method for increasing the stability of radio communication between subdivisions in urban conditions is the objective function, which takes into account the relationship between the area of stable radio communication with and without protection measures. The vector of parameters includes many parameters of the radioelectronic impact facilities: the number of sources of interference, their power, spatial coordinates, the orientation of the antenna systems, etc. Taking into account the three-dimensionality of the antenna pattern will increase the accuracy of the orientation of additional means of protection against intentional interference, both in azimuth and on the angle of the place and more accurately solve the task of constructing an area of reach within which stable radio communication between power units is ensured. Software implementation of the proposed method allows to solve the problem of constructing a maximum zone of stable radio communication for a specific operational situation.
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