Some trial results of the hydro acoustical communication system operation for AUV and ASV group control and navigation

This article presents the results of marine trials carried out in the framework of the project of the development of hydro acoustical communication system for AUV (Autonomous Underwater Vehicle) and ASV (Autonomous Surface Vehicle) group control and navigation. Specificity of the application imposes special requirements on the developing Underwater Acoustic Communication System (UACS). When communicating with the non-stationary AUV, the instability of the underwater acoustic channel parameters, the low predictability of the reverberation level and the stochastic time distribution of impulse noises generated by biological objects are observed. In these circumstances, it is necessary to use the communication system a priori resistant to any possible disturbances.