S.N. Kirillov - Dr.Sc. (Eng.), Professor, Head of a Chair, Department of Radio and Communications, Ryazan State radio Engineering University (RSREU). E-mail: kirillov.lab@gmail.com V.M. Berdnikov - Ph.D. (Eng.), Associate Professor, Department of Radio and Communications, Ryazan State Radio Engineering University. Email: bvm1986@mail.ru P.S. Pokrovskij - Ph.D. (Eng.), Associate Professor, Department of Radio and Communications, Ryazan State Radio Engineering University. Email: paulps@list.ru D.S. Semin - Ph.D. (Eng.), Associate Professor, Department of Radio and Communications, Ryazan State Radio Engineering University. Email: semin_dimitry@mail.ru