Increasing the anti-jammingness of mobile radio networks with adaptive beamforming.

Abstract

MANET radio networks (mobile radio networks, MRN) are increasingly used for tactical military radio communications in recent years. Anti-jammingness of such radio networks can be much higher compared to conventional radio networks (with or without a repeater) due to the possibility of multiple relay of messages.A promising direction to increase the noise immunity of MRN at the physical level is the use of antenna arrays (AR) with the ability to control the direction of the main radiation, which allows to ensure maximum values of signal-to-interference ratio at the inputs of individual radio stations. At the same time, in order to ensure maximum noise immunity in such MRNs, it is necessary to take into account the peculiarities of the formation of directional diagrams of antennas of radio stations of the network, spatial coordinates of radio stations and jammers.The article analyzes the tasks that arise when implementing the technology of adaptive charting in MRN in the conditions of active electronic countermeasures, the main ones are the following: determination of the spatial coordinates of the own station, network correspondents and the jammer; calculation of the optimal angle of orientation of the main lobe of the antenna pattern when receiving a signal from neighboring correspondents, taking into account the mutual location of radio stations and the jammer; practical implementation of the exchange of coordinate information between radio stations.Taking into account and solving these tasks will ensure the effective implementation of routing protocols in the mobile radio network with the AR, and increase interference protection in both individual information areas and the radio network as a whole.